[INFO] fetching crate libcpers 0.1.0...
[INFO] testing libcpers-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate libcpers 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libcpers 0.1.0
[INFO] finished tweaking crates.io crate libcpers 0.1.0
[INFO] tweaked toml for crates.io crate libcpers 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcpers 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 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] 09595e872bb8b0c5e40842bab415e6543a3179fb1c39d90dcd4b93c4693b2a2f
[INFO] running `Command { std: "docker" "start" "-a" "09595e872bb8b0c5e40842bab415e6543a3179fb1c39d90dcd4b93c4693b2a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09595e872bb8b0c5e40842bab415e6543a3179fb1c39d90dcd4b93c4693b2a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09595e872bb8b0c5e40842bab415e6543a3179fb1c39d90dcd4b93c4693b2a2f", kill_on_drop: false }`
[INFO] [stdout] 09595e872bb8b0c5e40842bab415e6543a3179fb1c39d90dcd4b93c4693b2a2f
[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] 750883c5801e7b238ed99283bac6b786030eb736d9110e47a90a6a6c0e9d4b1e
[INFO] running `Command { std: "docker" "start" "-a" "750883c5801e7b238ed99283bac6b786030eb736d9110e47a90a6a6c0e9d4b1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcpers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "750883c5801e7b238ed99283bac6b786030eb736d9110e47a90a6a6c0e9d4b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750883c5801e7b238ed99283bac6b786030eb736d9110e47a90a6a6c0e9d4b1e", kill_on_drop: false }`
[INFO] [stdout] 750883c5801e7b238ed99283bac6b786030eb736d9110e47a90a6a6c0e9d4b1e
[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] 4c154171a4ddcbd3708c4dacaad44a090018cb17dfa0fe8a5a635c1c99933d58
[INFO] running `Command { std: "docker" "start" "-a" "4c154171a4ddcbd3708c4dacaad44a090018cb17dfa0fe8a5a635c1c99933d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcpers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "4c154171a4ddcbd3708c4dacaad44a090018cb17dfa0fe8a5a635c1c99933d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c154171a4ddcbd3708c4dacaad44a090018cb17dfa0fe8a5a635c1c99933d58", kill_on_drop: false }`
[INFO] [stdout] 4c154171a4ddcbd3708c4dacaad44a090018cb17dfa0fe8a5a635c1c99933d58
[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] 1b4248af3f073c25a588306b7332dcc622b7f1860b8fb4f58f0790ae3dcc34fd
[INFO] running `Command { std: "docker" "start" "-a" "1b4248af3f073c25a588306b7332dcc622b7f1860b8fb4f58f0790ae3dcc34fd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcpers-93331889c877cffd)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libcpers
[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" "1b4248af3f073c25a588306b7332dcc622b7f1860b8fb4f58f0790ae3dcc34fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4248af3f073c25a588306b7332dcc622b7f1860b8fb4f58f0790ae3dcc34fd", kill_on_drop: false }`
[INFO] [stdout] 1b4248af3f073c25a588306b7332dcc622b7f1860b8fb4f58f0790ae3dcc34fd