[INFO] fetching crate just-func 0.0.0-alpha...
[INFO] testing just-func-0.0.0-alpha against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate just-func 0.0.0-alpha into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate just-func 0.0.0-alpha 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 just-func 0.0.0-alpha
[INFO] finished tweaking crates.io crate just-func 0.0.0-alpha
[INFO] tweaked toml for crates.io crate just-func 0.0.0-alpha written to /workspace/builds/worker-27/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 89b0b6fa8396d7a001258f84eef31df494616bc3133d84d2c6427339472d5a69
[INFO] running `Command { std: "docker" "start" "-a" "89b0b6fa8396d7a001258f84eef31df494616bc3133d84d2c6427339472d5a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b0b6fa8396d7a001258f84eef31df494616bc3133d84d2c6427339472d5a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b0b6fa8396d7a001258f84eef31df494616bc3133d84d2c6427339472d5a69", kill_on_drop: false }`
[INFO] [stdout] 89b0b6fa8396d7a001258f84eef31df494616bc3133d84d2c6427339472d5a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 4725414ce2492f042b8b93bec194a2f1b0916457a245f73900de78abcf2a9417
[INFO] running `Command { std: "docker" "start" "-a" "4725414ce2492f042b8b93bec194a2f1b0916457a245f73900de78abcf2a9417", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling just-func v0.0.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "4725414ce2492f042b8b93bec194a2f1b0916457a245f73900de78abcf2a9417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4725414ce2492f042b8b93bec194a2f1b0916457a245f73900de78abcf2a9417", kill_on_drop: false }`
[INFO] [stdout] 4725414ce2492f042b8b93bec194a2f1b0916457a245f73900de78abcf2a9417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 939db903c094968e1f5cc88c6cca963f666a47f9acf1e468640dde720584b65d
[INFO] running `Command { std: "docker" "start" "-a" "939db903c094968e1f5cc88c6cca963f666a47f9acf1e468640dde720584b65d", kill_on_drop: false }`
[INFO] [stderr]    Compiling just-func v0.0.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "939db903c094968e1f5cc88c6cca963f666a47f9acf1e468640dde720584b65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939db903c094968e1f5cc88c6cca963f666a47f9acf1e468640dde720584b65d", kill_on_drop: false }`
[INFO] [stdout] 939db903c094968e1f5cc88c6cca963f666a47f9acf1e468640dde720584b65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] c0f3b69be6255f3e1395e9153c941d05e67a2687a2d5ea5dcb7c4d8faeaf66c7
[INFO] running `Command { std: "docker" "start" "-a" "c0f3b69be6255f3e1395e9153c941d05e67a2687a2d5ea5dcb7c4d8faeaf66c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/just_func-e33f63525720fad4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests just-func
[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 0.01s
[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" "c0f3b69be6255f3e1395e9153c941d05e67a2687a2d5ea5dcb7c4d8faeaf66c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f3b69be6255f3e1395e9153c941d05e67a2687a2d5ea5dcb7c4d8faeaf66c7", kill_on_drop: false }`
[INFO] [stdout] c0f3b69be6255f3e1395e9153c941d05e67a2687a2d5ea5dcb7c4d8faeaf66c7