[INFO] fetching crate dirbuf 0.1.2...
[INFO] checking dirbuf-0.1.2 against 1.95.0 for pr-155915
[INFO] extracting crate dirbuf 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate dirbuf 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dirbuf 0.1.2
[INFO] tweaked toml for crates.io crate dirbuf 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dirbuf 0.1.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dirbuf 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v2.2.0
[INFO] [stderr]   Downloaded tempfile v3.14.0
[INFO] [stderr]   Downloaded thiserror-impl v2.0.3
[INFO] [stderr]   Downloaded thiserror v2.0.3
[INFO] [stderr]   Downloaded proptest v1.5.0
[INFO] [stderr]   Downloaded rustix v0.38.40
[INFO] [stderr]   Downloaded libc v0.2.164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e58b253ba994651ecac65e0d13254325d2c3f53cff0199e05a64dcf6fc3cafd
[INFO] running `Command { std: "docker" "start" "-a" "6e58b253ba994651ecac65e0d13254325d2c3f53cff0199e05a64dcf6fc3cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e58b253ba994651ecac65e0d13254325d2c3f53cff0199e05a64dcf6fc3cafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e58b253ba994651ecac65e0d13254325d2c3f53cff0199e05a64dcf6fc3cafd", kill_on_drop: false }`
[INFO] [stdout] 6e58b253ba994651ecac65e0d13254325d2c3f53cff0199e05a64dcf6fc3cafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 289ac39bdf8a2c2dfe60d3819ed03cfefd6692eb5f48b267b961233468daedf5
[INFO] running `Command { std: "docker" "start" "-a" "289ac39bdf8a2c2dfe60d3819ed03cfefd6692eb5f48b267b961233468daedf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.40
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking fastrand v2.2.0
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking tempfile v3.14.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking dirbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/vs_pathbuf.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/two_entries.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dirbuf` (bench "vs_pathbuf") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/barely_trivial.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dirbuf` (bench "barely_trivial") due to 1 previous error
[INFO] [stderr] error: could not compile `dirbuf` (bench "two_entries") due to 1 previous error
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/three_entries.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dirbuf` (bench "three_entries") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "289ac39bdf8a2c2dfe60d3819ed03cfefd6692eb5f48b267b961233468daedf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289ac39bdf8a2c2dfe60d3819ed03cfefd6692eb5f48b267b961233468daedf5", kill_on_drop: false }`
[INFO] [stdout] 289ac39bdf8a2c2dfe60d3819ed03cfefd6692eb5f48b267b961233468daedf5
