[INFO] fetching crate polystem 0.3.0...
[INFO] testing polystem-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate polystem 0.3.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate polystem 0.3.0 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 polystem 0.3.0
[INFO] finished tweaking crates.io crate polystem 0.3.0
[INFO] tweaked toml for crates.io crate polystem 0.3.0 written to /workspace/builds/worker-109/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 6ff8b7bd8c791b474254f79455a33318bb1d9dd47315e2d2e5d228b3cf78ec47
[INFO] running `Command { std: "docker" "start" "-a" "6ff8b7bd8c791b474254f79455a33318bb1d9dd47315e2d2e5d228b3cf78ec47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff8b7bd8c791b474254f79455a33318bb1d9dd47315e2d2e5d228b3cf78ec47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff8b7bd8c791b474254f79455a33318bb1d9dd47315e2d2e5d228b3cf78ec47", kill_on_drop: false }`
[INFO] [stdout] 6ff8b7bd8c791b474254f79455a33318bb1d9dd47315e2d2e5d228b3cf78ec47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] c406b12206144fda8489e355d2707edd6dcf400a9a054319801e0b291015b4a7
[INFO] running `Command { std: "docker" "start" "-a" "c406b12206144fda8489e355d2707edd6dcf400a9a054319801e0b291015b4a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling polystem v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c406b12206144fda8489e355d2707edd6dcf400a9a054319801e0b291015b4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c406b12206144fda8489e355d2707edd6dcf400a9a054319801e0b291015b4a7", kill_on_drop: false }`
[INFO] [stdout] c406b12206144fda8489e355d2707edd6dcf400a9a054319801e0b291015b4a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 1000b263c1a3887274971375b212ae920100524b8b5a8f37e813f21ac20ad4b8
[INFO] running `Command { std: "docker" "start" "-a" "1000b263c1a3887274971375b212ae920100524b8b5a8f37e813f21ac20ad4b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling polystem v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "1000b263c1a3887274971375b212ae920100524b8b5a8f37e813f21ac20ad4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1000b263c1a3887274971375b212ae920100524b8b5a8f37e813f21ac20ad4b8", kill_on_drop: false }`
[INFO] [stdout] 1000b263c1a3887274971375b212ae920100524b8b5a8f37e813f21ac20ad4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 9c380fd4e439bef5a3ecf486289b2ea11cff1dd94a69401ef4d72b9959a1f395
[INFO] running `Command { std: "docker" "start" "-a" "9c380fd4e439bef5a3ecf486289b2ea11cff1dd94a69401ef4d72b9959a1f395", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polystem-93e7f60bff3f9e30)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_count ... ok
[INFO] [stdout] test tests::test_double_consonant ... ok
[INFO] [stdout] test tests::test_has_vowel ... ok
[INFO] [stdout] test tests::test_ends_with ... ok
[INFO] [stdout] test tests::test_cvc ... ok
[INFO] [stdout] test tests::test_is_consonant ... ok
[INFO] [stdout] test tests::test_replace ... ok
[INFO] [stdout] test tests::test_s_stem ... ok
[INFO] [stderr]    Doc-tests polystem
[INFO] [stdout] test tests::test_porter_stem ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - S::stem (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c380fd4e439bef5a3ecf486289b2ea11cff1dd94a69401ef4d72b9959a1f395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c380fd4e439bef5a3ecf486289b2ea11cff1dd94a69401ef4d72b9959a1f395", kill_on_drop: false }`
[INFO] [stdout] 9c380fd4e439bef5a3ecf486289b2ea11cff1dd94a69401ef4d72b9959a1f395