[INFO] fetching crate metalkit 0.1.0...
[INFO] testing metalkit-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate metalkit 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate metalkit 0.1.0
[INFO] finished tweaking crates.io crate metalkit 0.1.0
[INFO] tweaked toml for crates.io crate metalkit 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metalkit 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77f61029a9944c5ae0b92eb6c0256d1c5a77cb09d904f1e66383c256321a8ead
[INFO] running `Command { std: "docker" "start" "-a" "77f61029a9944c5ae0b92eb6c0256d1c5a77cb09d904f1e66383c256321a8ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77f61029a9944c5ae0b92eb6c0256d1c5a77cb09d904f1e66383c256321a8ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f61029a9944c5ae0b92eb6c0256d1c5a77cb09d904f1e66383c256321a8ead", kill_on_drop: false }`
[INFO] [stdout] 77f61029a9944c5ae0b92eb6c0256d1c5a77cb09d904f1e66383c256321a8ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 165dfd0a326df4ad59ca1d2b9603e17c127447213fd1035aa5499044b14a8d9a
[INFO] running `Command { std: "docker" "start" "-a" "165dfd0a326df4ad59ca1d2b9603e17c127447213fd1035aa5499044b14a8d9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling metalkit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "165dfd0a326df4ad59ca1d2b9603e17c127447213fd1035aa5499044b14a8d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165dfd0a326df4ad59ca1d2b9603e17c127447213fd1035aa5499044b14a8d9a", kill_on_drop: false }`
[INFO] [stdout] 165dfd0a326df4ad59ca1d2b9603e17c127447213fd1035aa5499044b14a8d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca625f4804b00860d1ba8bc1c3de96859ff6580ecdcb4b37ad60fb219e63e6d
[INFO] running `Command { std: "docker" "start" "-a" "4ca625f4804b00860d1ba8bc1c3de96859ff6580ecdcb4b37ad60fb219e63e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling metalkit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4ca625f4804b00860d1ba8bc1c3de96859ff6580ecdcb4b37ad60fb219e63e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca625f4804b00860d1ba8bc1c3de96859ff6580ecdcb4b37ad60fb219e63e6d", kill_on_drop: false }`
[INFO] [stdout] 4ca625f4804b00860d1ba8bc1c3de96859ff6580ecdcb4b37ad60fb219e63e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fce0e2df2dd8224e8552d650b9c0256823788c3ba2f9df9712d4848822537af
[INFO] running `Command { std: "docker" "start" "-a" "6fce0e2df2dd8224e8552d650b9c0256823788c3ba2f9df9712d4848822537af", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metalkit-90ce01e00f23a0f3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metalkit
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fce0e2df2dd8224e8552d650b9c0256823788c3ba2f9df9712d4848822537af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fce0e2df2dd8224e8552d650b9c0256823788c3ba2f9df9712d4848822537af", kill_on_drop: false }`
[INFO] [stdout] 6fce0e2df2dd8224e8552d650b9c0256823788c3ba2f9df9712d4848822537af