[INFO] fetching crate szyk 1.0.2...
[INFO] testing szyk-1.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate szyk 1.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate szyk 1.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate szyk 1.0.2
[INFO] finished tweaking crates.io crate szyk 1.0.2
[INFO] tweaked toml for crates.io crate szyk 1.0.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4149a9766891e9c3a77cc56c6709035e89498dad3d0ad95875c51519f9a3c54
[INFO] running `Command { std: "docker" "start" "-a" "a4149a9766891e9c3a77cc56c6709035e89498dad3d0ad95875c51519f9a3c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4149a9766891e9c3a77cc56c6709035e89498dad3d0ad95875c51519f9a3c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4149a9766891e9c3a77cc56c6709035e89498dad3d0ad95875c51519f9a3c54", kill_on_drop: false }`
[INFO] [stdout] a4149a9766891e9c3a77cc56c6709035e89498dad3d0ad95875c51519f9a3c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f3e8d95dd5dd0f6634ff2292ec0e5264ecf15a00109ffac0c46cc418709138e
[INFO] running `Command { std: "docker" "start" "-a" "6f3e8d95dd5dd0f6634ff2292ec0e5264ecf15a00109ffac0c46cc418709138e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling szyk v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "6f3e8d95dd5dd0f6634ff2292ec0e5264ecf15a00109ffac0c46cc418709138e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3e8d95dd5dd0f6634ff2292ec0e5264ecf15a00109ffac0c46cc418709138e", kill_on_drop: false }`
[INFO] [stdout] 6f3e8d95dd5dd0f6634ff2292ec0e5264ecf15a00109ffac0c46cc418709138e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d2cbcdd195fe12826e58c35589b84500d067e926ea20bae24b1a3248b5aabd
[INFO] running `Command { std: "docker" "start" "-a" "39d2cbcdd195fe12826e58c35589b84500d067e926ea20bae24b1a3248b5aabd", kill_on_drop: false }`
[INFO] [stderr]    Compiling szyk v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "39d2cbcdd195fe12826e58c35589b84500d067e926ea20bae24b1a3248b5aabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d2cbcdd195fe12826e58c35589b84500d067e926ea20bae24b1a3248b5aabd", kill_on_drop: false }`
[INFO] [stdout] 39d2cbcdd195fe12826e58c35589b84500d067e926ea20bae24b1a3248b5aabd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08c4eb3742f18b976870c88bcd01239a95ba3b825e1db6a84104cb8ab2922bfb
[INFO] running `Command { std: "docker" "start" "-a" "08c4eb3742f18b976870c88bcd01239a95ba3b825e1db6a84104cb8ab2922bfb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/szyk-d75fedcbaf6c8dba)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::cyclic_dependency ... ok
[INFO] [stdout] test tests::empty_domain ... ok
[INFO] [stdout] test tests::sort_cb_works ... ok
[INFO] [stdout] test tests::sort_works ... ok
[INFO] [stdout] test tests::target_not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests szyk
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - sort (line 138) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - sort_cb (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "08c4eb3742f18b976870c88bcd01239a95ba3b825e1db6a84104cb8ab2922bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c4eb3742f18b976870c88bcd01239a95ba3b825e1db6a84104cb8ab2922bfb", kill_on_drop: false }`
[INFO] [stdout] 08c4eb3742f18b976870c88bcd01239a95ba3b825e1db6a84104cb8ab2922bfb