[INFO] fetching crate cargo-acceptance 0.0.0...
[INFO] testing cargo-acceptance-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cargo-acceptance 0.0.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate cargo-acceptance 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-acceptance 0.0.0
[INFO] finished tweaking crates.io crate cargo-acceptance 0.0.0
[INFO] tweaked toml for crates.io crate cargo-acceptance 0.0.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7631dc1f10368492c633b8b712505bdd3ad176806182535fe739a8447fc2be13
[INFO] running `Command { std: "docker" "start" "-a" "7631dc1f10368492c633b8b712505bdd3ad176806182535fe739a8447fc2be13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7631dc1f10368492c633b8b712505bdd3ad176806182535fe739a8447fc2be13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7631dc1f10368492c633b8b712505bdd3ad176806182535fe739a8447fc2be13", kill_on_drop: false }`
[INFO] [stdout] 7631dc1f10368492c633b8b712505bdd3ad176806182535fe739a8447fc2be13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4832d7832cf2bf238b60ee2dbea91a2921c9f37d724cd3887a576b285f9c3f1e
[INFO] running `Command { std: "docker" "start" "-a" "4832d7832cf2bf238b60ee2dbea91a2921c9f37d724cd3887a576b285f9c3f1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-acceptance v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "4832d7832cf2bf238b60ee2dbea91a2921c9f37d724cd3887a576b285f9c3f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4832d7832cf2bf238b60ee2dbea91a2921c9f37d724cd3887a576b285f9c3f1e", kill_on_drop: false }`
[INFO] [stdout] 4832d7832cf2bf238b60ee2dbea91a2921c9f37d724cd3887a576b285f9c3f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1efe93c2a06dfd758e04c5206fb9dfaf77aa9ba1177ad430d2304b5eea9fccc3
[INFO] running `Command { std: "docker" "start" "-a" "1efe93c2a06dfd758e04c5206fb9dfaf77aa9ba1177ad430d2304b5eea9fccc3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-acceptance v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "1efe93c2a06dfd758e04c5206fb9dfaf77aa9ba1177ad430d2304b5eea9fccc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efe93c2a06dfd758e04c5206fb9dfaf77aa9ba1177ad430d2304b5eea9fccc3", kill_on_drop: false }`
[INFO] [stdout] 1efe93c2a06dfd758e04c5206fb9dfaf77aa9ba1177ad430d2304b5eea9fccc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56d924d09772aabf5fb7d8852887b94720235ac035df56274b6428bd5f56489c
[INFO] running `Command { std: "docker" "start" "-a" "56d924d09772aabf5fb7d8852887b94720235ac035df56274b6428bd5f56489c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_acceptance-b1ce7b823b018dbe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests cargo-acceptance
[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 0.05s
[INFO] [stdout] 
[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" "56d924d09772aabf5fb7d8852887b94720235ac035df56274b6428bd5f56489c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d924d09772aabf5fb7d8852887b94720235ac035df56274b6428bd5f56489c", kill_on_drop: false }`
[INFO] [stdout] 56d924d09772aabf5fb7d8852887b94720235ac035df56274b6428bd5f56489c