[INFO] fetching crate cangrejo 0.1.0...
[INFO] testing cangrejo-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cangrejo 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate cangrejo 0.1.0 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 cangrejo 0.1.0
[INFO] finished tweaking crates.io crate cangrejo 0.1.0
[INFO] tweaked toml for crates.io crate cangrejo 0.1.0 written to /workspace/builds/worker-18/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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 6554b15f09bdad311a59436afee1797ee29530d516f8bf80477cfb78faf6425b
[INFO] running `Command { std: "docker" "start" "-a" "6554b15f09bdad311a59436afee1797ee29530d516f8bf80477cfb78faf6425b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6554b15f09bdad311a59436afee1797ee29530d516f8bf80477cfb78faf6425b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6554b15f09bdad311a59436afee1797ee29530d516f8bf80477cfb78faf6425b", kill_on_drop: false }`
[INFO] [stdout] 6554b15f09bdad311a59436afee1797ee29530d516f8bf80477cfb78faf6425b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 51c677216924da88735acbad12a9997d00b6e17cf6d6537d8c14f7cf1a6e5b5c
[INFO] running `Command { std: "docker" "start" "-a" "51c677216924da88735acbad12a9997d00b6e17cf6d6537d8c14f7cf1a6e5b5c", 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] [stderr]    Compiling cangrejo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "51c677216924da88735acbad12a9997d00b6e17cf6d6537d8c14f7cf1a6e5b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c677216924da88735acbad12a9997d00b6e17cf6d6537d8c14f7cf1a6e5b5c", kill_on_drop: false }`
[INFO] [stdout] 51c677216924da88735acbad12a9997d00b6e17cf6d6537d8c14f7cf1a6e5b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 13cf86968a64b5412f0d1aa9d4d9aa9a59d0a9ac6ef781ac4688f6aef506b4b0
[INFO] running `Command { std: "docker" "start" "-a" "13cf86968a64b5412f0d1aa9d4d9aa9a59d0a9ac6ef781ac4688f6aef506b4b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cangrejo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "13cf86968a64b5412f0d1aa9d4d9aa9a59d0a9ac6ef781ac4688f6aef506b4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cf86968a64b5412f0d1aa9d4d9aa9a59d0a9ac6ef781ac4688f6aef506b4b0", kill_on_drop: false }`
[INFO] [stdout] 13cf86968a64b5412f0d1aa9d4d9aa9a59d0a9ac6ef781ac4688f6aef506b4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] f322208140d2760f03f7c4a8984db4dbaccac960639567f87e463a8e562d42a1
[INFO] running `Command { std: "docker" "start" "-a" "f322208140d2760f03f7c4a8984db4dbaccac960639567f87e463a8e562d42a1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cangrejo-29853dddd103f56c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cangrejo
[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] [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" "f322208140d2760f03f7c4a8984db4dbaccac960639567f87e463a8e562d42a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f322208140d2760f03f7c4a8984db4dbaccac960639567f87e463a8e562d42a1", kill_on_drop: false }`
[INFO] [stdout] f322208140d2760f03f7c4a8984db4dbaccac960639567f87e463a8e562d42a1