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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.97.0-nightly (507271bc1 2026-05-17)
# docs.rs version docsrs 0.0.0 (e50152ed411bb913753b1dfd203f22cb8711f097 2026-05-17 )
# build log [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "229f41d6b164edf7dcfaff8948abebf4004eb9de4e2d70d8a4e29d83e895b5ba" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260517-1.97.0-nightly-507271bc1\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: Rustdoc did not scrape the following examples because they require dev-dependencies: glyph_outline, single_glyph [INFO] [stderr] If you want Rustdoc to scrape these examples, then add `doc-scrape-examples = true` [INFO] [stderr] to the [[example]] target configuration of at least one example. [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Checking null-terminated v0.3.17 [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | fn index(&self, i: I) -> &Self::Output { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] note: required by a bound in `core::ops::Index` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/index.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | / pub const trait Index<Idx: ?Sized> { [INFO] [stderr] 60 | | /// The returned type after indexing. [INFO] [stderr] 61 | | #[stable(feature = "rust1", since = "1.0.0")] [INFO] [stderr] 62 | | #[rustc_diagnostic_item = "IndexOutput"] [INFO] [stderr] ... | [INFO] [stderr] 73 | | fn index(&self, index: Idx) -> &Self::Output; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_^ required by this bound in `Index` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:160:25 [INFO] [stderr] | [INFO] [stderr] 160 | impl<A, I> Index<I> for Nul<A> where [A]: Index<I> { [INFO] [stderr] | ^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] note: required by a bound in `core::ops::Index` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/index.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | / pub const trait Index<Idx: ?Sized> { [INFO] [stderr] 60 | | /// The returned type after indexing. [INFO] [stderr] 61 | | #[stable(feature = "rust1", since = "1.0.0")] [INFO] [stderr] 62 | | #[rustc_diagnostic_item = "IndexOutput"] [INFO] [stderr] ... | [INFO] [stderr] 73 | | fn index(&self, index: Idx) -> &Self::Output; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_^ required by this bound in `Index` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:170:5 [INFO] [stderr] | [INFO] [stderr] 170 | fn index_mut(&mut self, i: I) -> &mut Self::Output { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] note: required by a bound in `core::ops::Index` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/index.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | / pub const trait Index<Idx: ?Sized> { [INFO] [stderr] 60 | | /// The returned type after indexing. [INFO] [stderr] 61 | | #[stable(feature = "rust1", since = "1.0.0")] [INFO] [stderr] 62 | | #[rustc_diagnostic_item = "IndexOutput"] [INFO] [stderr] ... | [INFO] [stderr] 73 | | fn index(&self, index: Idx) -> &Self::Output; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_^ required by this bound in `Index` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:168:28 [INFO] [stderr] | [INFO] [stderr] 168 | impl<A, I> IndexMut<I> for Nul<A> where [A]: IndexMut<I> { [INFO] [stderr] | ^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] note: required by a bound in `core::ops::IndexMut` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/index.rs:170:1 [INFO] [stderr] | [INFO] [stderr] 170 | / pub const trait IndexMut<Idx: ?Sized>: [const] Index<Idx> { [INFO] [stderr] 171 | | /// Performs the mutable indexing (`container[index]`) operation. [INFO] [stderr] 172 | | /// [INFO] [stderr] 173 | | /// # Panics [INFO] [stderr] ... | [INFO] [stderr] 179 | | fn index_mut(&mut self, index: Idx) -> &mut Self::Output; [INFO] [stderr] 180 | | } [INFO] [stderr] | |_^ required by this bound in `IndexMut` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 301 | #[derive(PartialEq, Eq, PartialOrd, Ord, Hash)] [INFO] [stderr] | --------- in this derive macro expansion [INFO] [stderr] 302 | #[repr(transparent)] [INFO] [stderr] 303 | pub struct NulStr(Nul<u8>); [INFO] [stderr] | ^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `NulStr`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `NulStr` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub struct NulStr(Nul<u8>); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] note: required by a bound in `StructuralPartialEq` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/marker.rs:257:1 [INFO] [stderr] | [INFO] [stderr] 257 | / pub trait StructuralPartialEq { [INFO] [stderr] 258 | | // Empty. [INFO] [stderr] 259 | | } [INFO] [stderr] | |_^ required by this bound in `StructuralPartialEq` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:316:27 [INFO] [stderr] | [INFO] [stderr] 316 | impl Index<RangeFull> for NulStr { [INFO] [stderr] | ^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `NulStr`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `NulStr` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub struct NulStr(Nul<u8>); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] note: required by a bound in `core::ops::Index` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/index.rs:59:1 [INFO] [stderr] | [INFO] [stderr] 59 | / pub const trait Index<Idx: ?Sized> { [INFO] [stderr] 60 | | /// The returned type after indexing. [INFO] [stderr] 61 | | #[stable(feature = "rust1", since = "1.0.0")] [INFO] [stderr] 62 | | #[rustc_diagnostic_item = "IndexOutput"] [INFO] [stderr] ... | [INFO] [stderr] 73 | | fn index(&self, index: Idx) -> &Self::Output; [INFO] [stderr] 74 | | } [INFO] [stderr] | |_^ required by this bound in `Index` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:325:30 [INFO] [stderr] | [INFO] [stderr] 325 | impl IndexMut<RangeFull> for NulStr { [INFO] [stderr] | ^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `NulStr`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `NulStr` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub struct NulStr(Nul<u8>); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] note: required by a bound in `core::ops::IndexMut` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/index.rs:170:1 [INFO] [stderr] | [INFO] [stderr] 170 | / pub const trait IndexMut<Idx: ?Sized>: [const] Index<Idx> { [INFO] [stderr] 171 | | /// Performs the mutable indexing (`container[index]`) operation. [INFO] [stderr] 172 | | /// [INFO] [stderr] 173 | | /// # Panics [INFO] [stderr] ... | [INFO] [stderr] 179 | | fn index_mut(&mut self, index: Idx) -> &mut Self::Output; [INFO] [stderr] 180 | | } [INFO] [stderr] | |_^ required by this bound in `IndexMut` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:113:49 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn get(&self, i: usize) -> Option<&A> { self[..].get(i) } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:117:61 [INFO] [stderr] | [INFO] [stderr] 117 | pub fn get_mut(&mut self, i: usize) -> Option<&mut A> { self[..].get_mut(i) } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:177:60 [INFO] [stderr] | [INFO] [stderr] 177 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { self[..].fmt(f) } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:182:42 [INFO] [stderr] | [INFO] [stderr] 182 | fn eq(&self, other: &Self) -> bool { self[..] == other[..] } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:182:54 [INFO] [stderr] | [INFO] [stderr] 182 | fn eq(&self, other: &Self) -> bool { self[..] == other[..] } [INFO] [stderr] | ^^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:190:29 [INFO] [stderr] | [INFO] [stderr] 190 | <[A]>::partial_cmp(&self[..], &other[..]) [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:190:40 [INFO] [stderr] | [INFO] [stderr] 190 | <[A]>::partial_cmp(&self[..], &other[..]) [INFO] [stderr] | ^^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:196:59 [INFO] [stderr] | [INFO] [stderr] 196 | fn cmp(&self, other: &Self) -> Ordering { <[A]>::cmp(&self[..], &other[..]) } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:196:70 [INFO] [stderr] | [INFO] [stderr] 196 | fn cmp(&self, other: &Self) -> Ordering { <[A]>::cmp(&self[..], &other[..]) } [INFO] [stderr] | ^^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<A>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<A>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:307:83 [INFO] [stderr] | [INFO] [stderr] 307 | fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { write!(fmt, "{:?}", &self[..]) } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `NulStr`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `NulStr` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub struct NulStr(Nul<u8>); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:313:77 [INFO] [stderr] | [INFO] [stderr] 313 | fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { fmt.write_str(&self[..]) } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `NulStr`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `NulStr` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub struct NulStr(Nul<u8>); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:321:43 [INFO] [stderr] | [INFO] [stderr] 321 | ::core::str::from_utf8_unchecked(&self.0[..]) [INFO] [stderr] | ^^^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<u8>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<u8>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:328:51 [INFO] [stderr] | [INFO] [stderr] 328 | ::core::str::from_utf8_unchecked_mut(&mut self.0[..]) [INFO] [stderr] | ^^^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<u8>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<u8>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:377:56 [INFO] [stderr] | [INFO] [stderr] 377 | pub fn is_char_boundary(&self, k: usize) -> bool { self[..].is_char_boundary(k) } [INFO] [stderr] | ^^^^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `NulStr`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `NulStr` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub struct NulStr(Nul<u8>); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:417:33 [INFO] [stderr] | [INFO] [stderr] 417 | ::core::str::from_utf8(&s[..])?; [INFO] [stderr] | ^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<u8>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<u8>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Opaque` cannot be known [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:427:41 [INFO] [stderr] | [INFO] [stderr] 427 | ::core::str::from_utf8_mut(&mut s[..])?; [INFO] [stderr] | ^^^^^ doesn't have a known size [INFO] [stderr] | [INFO] [stderr] = help: within `Nul<u8>`, the nightly-only, unstable trait `MetaSized` is not implemented for `Opaque` [INFO] [stderr] note: required because it appears within the type `Nul<u8>` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/null-terminated-0.3.17/src/lib.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | pub struct Nul<A>([A; 0], Opaque); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `null-terminated` (lib) due to 23 previous errors [INFO] running `Command { std: "docker" "inspect" "229f41d6b164edf7dcfaff8948abebf4004eb9de4e2d70d8a4e29d83e895b5ba", kill_on_drop: false }`