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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.97.0-nightly (365c0e1d7 2026-05-06)
# docs.rs version docsrs 0.0.0 (ad302d961e54d5d2c273ab5bb3d4139759c933ad 2026-05-03 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder4/builds/kbpf-basic-0.5.5/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder4/builds/kbpf-basic-0.5.5/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder4/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder4/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "6442450944" "--cpuset-cpus" "26-31" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9048f1a3e2bc91a4c95f9bfea736dc57fa9834e9f5ccdf1ac0f44f13b9c193e9 [INFO] running `Command { std: "docker" "start" "9048f1a3e2bc91a4c95f9bfea736dc57fa9834e9f5ccdf1ac0f44f13b9c193e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "9048f1a3e2bc91a4c95f9bfea736dc57fa9834e9f5ccdf1ac0f44f13b9c193e9" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260506-1.97.0-nightly-365c0e1d7\", \"--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] Checking printf-compat v0.3.1 [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:32:31 [INFO] [stderr] | [INFO] [stderr] 32 | return (unsafe { args.arg() }, next_char(sub)); [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:76:57 [INFO] [stderr] | [INFO] [stderr] 76 | Length::Int => SignedInt::Int(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:77:59 [INFO] [stderr] | [INFO] [stderr] 77 | Length::Char => SignedInt::Char(unsafe { args.arg::<c_int>() } as c_schar), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:78:61 [INFO] [stderr] | [INFO] [stderr] 78 | Length::Short => SignedInt::Short(unsafe { args.arg::<c_int>() } as c_short), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:79:59 [INFO] [stderr] | [INFO] [stderr] 79 | Length::Long => SignedInt::Long(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:80:67 [INFO] [stderr] | [INFO] [stderr] 80 | Length::LongLong => SignedInt::LongLong(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:82:77 [INFO] [stderr] | [INFO] [stderr] 82 | Length::Usize | Length::Isize => SignedInt::Isize(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:87:59 [INFO] [stderr] | [INFO] [stderr] 87 | Length::Int => UnsignedInt::Int(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:88:61 [INFO] [stderr] | [INFO] [stderr] 88 | Length::Char => UnsignedInt::Char(unsafe { args.arg::<c_uint>() } as c_uchar), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:89:63 [INFO] [stderr] | [INFO] [stderr] 89 | Length::Short => UnsignedInt::Short(unsafe { args.arg::<c_uint>() } as c_ushort), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:90:61 [INFO] [stderr] | [INFO] [stderr] 90 | Length::Long => UnsignedInt::Long(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:91:69 [INFO] [stderr] | [INFO] [stderr] 91 | Length::LongLong => UnsignedInt::LongLong(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for mutable reference `&mut core::ffi::VaList<'_>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:93:79 [INFO] [stderr] | [INFO] [stderr] 93 | Length::Usize | Length::Isize => UnsignedInt::Isize(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `&mut core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:175:42 [INFO] [stderr] | [INFO] [stderr] 175 | value: unsafe { args.arg() }, [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:179:42 [INFO] [stderr] | [INFO] [stderr] 179 | value: unsafe { args.arg() }, [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:183:42 [INFO] [stderr] | [INFO] [stderr] 183 | value: unsafe { args.arg() }, [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:187:42 [INFO] [stderr] | [INFO] [stderr] 187 | value: unsafe { args.arg() }, [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:191:58 [INFO] [stderr] | [INFO] [stderr] 191 | let arg: *mut c_char = unsafe { args.arg() }; [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:214:39 [INFO] [stderr] | [INFO] [stderr] 214 | unsafe { args.arg::<<c_char as CharToInt>::IntType>() } as c_char [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:217:58 [INFO] [stderr] | [INFO] [stderr] 217 | b'p' => Specifier::Pointer(unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `arg` found for struct `core::ffi::VaList<'a>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/printf-compat-0.3.1/src/parser.rs:218:77 [INFO] [stderr] | [INFO] [stderr] 218 | b'n' => Specifier::WriteBytesWritten(written, unsafe { args.arg() }), [INFO] [stderr] | ^^^ method not found in `core::ffi::VaList<'_>` [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `printf-compat` (lib) due to 21 previous errors [INFO] running `Command { std: "docker" "stop" "-t" "1" "9048f1a3e2bc91a4c95f9bfea736dc57fa9834e9f5ccdf1ac0f44f13b9c193e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9048f1a3e2bc91a4c95f9bfea736dc57fa9834e9f5ccdf1ac0f44f13b9c193e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9048f1a3e2bc91a4c95f9bfea736dc57fa9834e9f5ccdf1ac0f44f13b9c193e9", kill_on_drop: false }` [INFO] [stdout] 9048f1a3e2bc91a4c95f9bfea736dc57fa9834e9f5ccdf1ac0f44f13b9c193e9