[INFO] fetching crate polix 0.0.1...
[INFO] testing polix-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate polix 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate polix 0.0.1
[INFO] finished tweaking crates.io crate polix 0.0.1
[INFO] tweaked toml for crates.io crate polix 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polix 0.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polix 0.0.1 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" "+beta-2025-10-28" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7445bf64a498152c758a85b5011ba4a6824d13558465d6a65f91406119f4dae
[INFO] running `Command { std: "docker" "start" "-a" "e7445bf64a498152c758a85b5011ba4a6824d13558465d6a65f91406119f4dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7445bf64a498152c758a85b5011ba4a6824d13558465d6a65f91406119f4dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7445bf64a498152c758a85b5011ba4a6824d13558465d6a65f91406119f4dae", kill_on_drop: false }`
[INFO] [stdout] e7445bf64a498152c758a85b5011ba4a6824d13558465d6a65f91406119f4dae
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1252772ad7458d13f7ac9c39e2c83c8f7c5f994832de9173cb3ce0468f0bb8cd
[INFO] running `Command { std: "docker" "start" "-a" "1252772ad7458d13f7ac9c39e2c83c8f7c5f994832de9173cb3ce0468f0bb8cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling polix v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "1252772ad7458d13f7ac9c39e2c83c8f7c5f994832de9173cb3ce0468f0bb8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1252772ad7458d13f7ac9c39e2c83c8f7c5f994832de9173cb3ce0468f0bb8cd", kill_on_drop: false }`
[INFO] [stdout] 1252772ad7458d13f7ac9c39e2c83c8f7c5f994832de9173cb3ce0468f0bb8cd
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f6b58df988442ba3cda15ed8f7bc5a430be0e6e97e6a48b0dc3fc2ea64c795
[INFO] running `Command { std: "docker" "start" "-a" "10f6b58df988442ba3cda15ed8f7bc5a430be0e6e97e6a48b0dc3fc2ea64c795", kill_on_drop: false }`
[INFO] [stderr]    Compiling polix v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "10f6b58df988442ba3cda15ed8f7bc5a430be0e6e97e6a48b0dc3fc2ea64c795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f6b58df988442ba3cda15ed8f7bc5a430be0e6e97e6a48b0dc3fc2ea64c795", kill_on_drop: false }`
[INFO] [stdout] 10f6b58df988442ba3cda15ed8f7bc5a430be0e6e97e6a48b0dc3fc2ea64c795
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e43d8758dd9ed087996897fb1545e78d6dcd8ab4c3ed6cbc0268d57c79ff99c
[INFO] running `Command { std: "docker" "start" "-a" "4e43d8758dd9ed087996897fb1545e78d6dcd8ab4c3ed6cbc0268d57c79ff99c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/polix-363cf93a1ce58860)
[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" "4e43d8758dd9ed087996897fb1545e78d6dcd8ab4c3ed6cbc0268d57c79ff99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e43d8758dd9ed087996897fb1545e78d6dcd8ab4c3ed6cbc0268d57c79ff99c", kill_on_drop: false }`
[INFO] [stdout] 4e43d8758dd9ed087996897fb1545e78d6dcd8ab4c3ed6cbc0268d57c79ff99c