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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.98.0-nightly (423e3d252 2026-05-24)
# docs.rs version docsrs 0.0.0 (f16e33f3e6ac9fc9e4413728c5dd1b2ba1c6b799 2026-05-23 )
# 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" "745d851000fa0bdc381fe067919da19a756ea031d6a54a0794aa43a17cdc9e60" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260524-1.98.0-nightly-423e3d252\", \"--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: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Compiling fuzzcheck_mutators_derive v0.12.0 [INFO] [stderr] Checking fuzzcheck_common v0.12.0 [INFO] [stderr] error: let chains are only allowed in Rust 2024 or later [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_mutators_derive-0.12.0/src/lib.rs:337:8 [INFO] [stderr] | [INFO] [stderr] 337 | if let Some(ident) = attribute.path.get_ident() && ident == "ignore_variant" { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(no_coverage)] [INFO] [stderr] | ^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in 1.74.0; see <https://github.com/rust-lang/rust/pull/114656> for more information [INFO] [stderr] = note: renamed to `coverage_attribute` [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:193:13 [INFO] [stderr] | [INFO] [stderr] 193 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:211:17 [INFO] [stderr] | [INFO] [stderr] 211 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:215:17 [INFO] [stderr] | [INFO] [stderr] 215 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:222:13 [INFO] [stderr] | [INFO] [stderr] 222 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:233:13 [INFO] [stderr] | [INFO] [stderr] 233 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:244:13 [INFO] [stderr] | [INFO] [stderr] 244 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:255:13 [INFO] [stderr] | [INFO] [stderr] 255 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:266:13 [INFO] [stderr] | [INFO] [stderr] 266 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:276:21 [INFO] [stderr] | [INFO] [stderr] 276 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:288:21 [INFO] [stderr] | [INFO] [stderr] 288 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:305:21 [INFO] [stderr] | [INFO] [stderr] 305 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: attributes on expressions are experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:314:17 [INFO] [stderr] | [INFO] [stderr] 314 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information [INFO] [stderr] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-24; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:35:7 [INFO] [stderr] | [INFO] [stderr] 35 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 35 - #[no_coverage] [INFO] [stderr] 35 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:87:3 [INFO] [stderr] | [INFO] [stderr] 87 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 87 - #[no_coverage] [INFO] [stderr] 87 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:180:7 [INFO] [stderr] | [INFO] [stderr] 180 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 180 - #[no_coverage] [INFO] [stderr] 180 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:193:15 [INFO] [stderr] | [INFO] [stderr] 193 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 193 - #[no_coverage] [INFO] [stderr] 193 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:211:19 [INFO] [stderr] | [INFO] [stderr] 211 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 211 - #[no_coverage] [INFO] [stderr] 211 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:215:19 [INFO] [stderr] | [INFO] [stderr] 215 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 215 - #[no_coverage] [INFO] [stderr] 215 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:222:15 [INFO] [stderr] | [INFO] [stderr] 222 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 222 - #[no_coverage] [INFO] [stderr] 222 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:233:15 [INFO] [stderr] | [INFO] [stderr] 233 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 233 - #[no_coverage] [INFO] [stderr] 233 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:244:15 [INFO] [stderr] | [INFO] [stderr] 244 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 244 - #[no_coverage] [INFO] [stderr] 244 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:255:15 [INFO] [stderr] | [INFO] [stderr] 255 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 255 - #[no_coverage] [INFO] [stderr] 255 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:266:15 [INFO] [stderr] | [INFO] [stderr] 266 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 266 - #[no_coverage] [INFO] [stderr] 266 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:276:23 [INFO] [stderr] | [INFO] [stderr] 276 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 276 - #[no_coverage] [INFO] [stderr] 276 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:288:23 [INFO] [stderr] | [INFO] [stderr] 288 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 288 - #[no_coverage] [INFO] [stderr] 288 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:305:23 [INFO] [stderr] | [INFO] [stderr] 305 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 305 - #[no_coverage] [INFO] [stderr] 305 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:314:19 [INFO] [stderr] | [INFO] [stderr] 314 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 314 - #[no_coverage] [INFO] [stderr] 314 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:344:3 [INFO] [stderr] | [INFO] [stderr] 344 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 344 - #[no_coverage] [INFO] [stderr] 344 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:411:7 [INFO] [stderr] | [INFO] [stderr] 411 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 411 - #[no_coverage] [INFO] [stderr] 411 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:417:7 [INFO] [stderr] | [INFO] [stderr] 417 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 417 - #[no_coverage] [INFO] [stderr] 417 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: cannot find attribute `no_coverage` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fuzzcheck_common-0.12.0/src/arg.rs:450:7 [INFO] [stderr] | [INFO] [stderr] 450 | #[no_coverage] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: a built-in attribute with a similar name exists [INFO] [stderr] | [INFO] [stderr] 450 - #[no_coverage] [INFO] [stderr] 450 + #[coverage] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0557, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0557`. [INFO] [stderr] error: could not compile `fuzzcheck_common` (lib) due to 32 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `fuzzcheck_mutators_derive` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "745d851000fa0bdc381fe067919da19a756ea031d6a54a0794aa43a17cdc9e60", kill_on_drop: false }`