[INFO] fetching crate cube 0.1.0...
[INFO] testing cube-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cube 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cube 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 cube 0.1.0
[INFO] finished tweaking crates.io crate cube 0.1.0
[INFO] tweaked toml for crates.io crate cube 0.1.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fefd3a8da4d5fc0773dd235dbe91042be5b5af2aa64c501c1683f621c5549eff
[INFO] running `Command { std: "docker" "start" "-a" "fefd3a8da4d5fc0773dd235dbe91042be5b5af2aa64c501c1683f621c5549eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fefd3a8da4d5fc0773dd235dbe91042be5b5af2aa64c501c1683f621c5549eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefd3a8da4d5fc0773dd235dbe91042be5b5af2aa64c501c1683f621c5549eff", kill_on_drop: false }`
[INFO] [stdout] fefd3a8da4d5fc0773dd235dbe91042be5b5af2aa64c501c1683f621c5549eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d1c06fe79aa0bb575b1e59230ad6027dfdae18887c2566f6695f56c68b4df4c3
[INFO] running `Command { std: "docker" "start" "-a" "d1c06fe79aa0bb575b1e59230ad6027dfdae18887c2566f6695f56c68b4df4c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "d1c06fe79aa0bb575b1e59230ad6027dfdae18887c2566f6695f56c68b4df4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c06fe79aa0bb575b1e59230ad6027dfdae18887c2566f6695f56c68b4df4c3", kill_on_drop: false }`
[INFO] [stdout] d1c06fe79aa0bb575b1e59230ad6027dfdae18887c2566f6695f56c68b4df4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ac3db235295ca6eb468514315e484f3778cfd88d2dc8bca154991b75f0b1593f
[INFO] running `Command { std: "docker" "start" "-a" "ac3db235295ca6eb468514315e484f3778cfd88d2dc8bca154991b75f0b1593f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ac3db235295ca6eb468514315e484f3778cfd88d2dc8bca154991b75f0b1593f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3db235295ca6eb468514315e484f3778cfd88d2dc8bca154991b75f0b1593f", kill_on_drop: false }`
[INFO] [stdout] ac3db235295ca6eb468514315e484f3778cfd88d2dc8bca154991b75f0b1593f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6850c0286965936b7ee5666e3518f2db5d615a265f3273f2850590393bae9444
[INFO] running `Command { std: "docker" "start" "-a" "6850c0286965936b7ee5666e3518f2db5d615a265f3273f2850590393bae9444", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cube-7a5d1d8272c33ec0)
[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 cube
[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" "6850c0286965936b7ee5666e3518f2db5d615a265f3273f2850590393bae9444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6850c0286965936b7ee5666e3518f2db5d615a265f3273f2850590393bae9444", kill_on_drop: false }`
[INFO] [stdout] 6850c0286965936b7ee5666e3518f2db5d615a265f3273f2850590393bae9444