[INFO] cloning repository https://github.com/jmsaylor/first_word
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmsaylor/first_word" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmsaylor%2Ffirst_word", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmsaylor%2Ffirst_word'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15d3de5c4fd517b63ce711f3b0b25fb85e30fea4
[INFO] testing jmsaylor/first_word against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmsaylor%2Ffirst_word" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmsaylor/first_word 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 git repo https://github.com/jmsaylor/first_word
[INFO] finished tweaking git repo https://github.com/jmsaylor/first_word
[INFO] tweaked toml for git repo https://github.com/jmsaylor/first_word written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/jmsaylor/first_word already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] c8de6f5377d3baeae941c793791f0a5477ac6d2a255131720b2056a03546ad03
[INFO] running `Command { std: "docker" "start" "-a" "c8de6f5377d3baeae941c793791f0a5477ac6d2a255131720b2056a03546ad03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8de6f5377d3baeae941c793791f0a5477ac6d2a255131720b2056a03546ad03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8de6f5377d3baeae941c793791f0a5477ac6d2a255131720b2056a03546ad03", kill_on_drop: false }`
[INFO] [stdout] c8de6f5377d3baeae941c793791f0a5477ac6d2a255131720b2056a03546ad03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] e891cd2453f1e0708d4aaa5e5421e2e7c85b58c725c48cfd29208bb3d49bef02
[INFO] running `Command { std: "docker" "start" "-a" "e891cd2453f1e0708d4aaa5e5421e2e7c85b58c725c48cfd29208bb3d49bef02", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling first_word v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "e891cd2453f1e0708d4aaa5e5421e2e7c85b58c725c48cfd29208bb3d49bef02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e891cd2453f1e0708d4aaa5e5421e2e7c85b58c725c48cfd29208bb3d49bef02", kill_on_drop: false }`
[INFO] [stdout] e891cd2453f1e0708d4aaa5e5421e2e7c85b58c725c48cfd29208bb3d49bef02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 38878fd06a457d5d3e780794d5d1be264e2ee481b1d60622514c99bde8829433
[INFO] running `Command { std: "docker" "start" "-a" "38878fd06a457d5d3e780794d5d1be264e2ee481b1d60622514c99bde8829433", kill_on_drop: false }`
[INFO] [stderr]    Compiling first_word v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "38878fd06a457d5d3e780794d5d1be264e2ee481b1d60622514c99bde8829433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38878fd06a457d5d3e780794d5d1be264e2ee481b1d60622514c99bde8829433", kill_on_drop: false }`
[INFO] [stdout] 38878fd06a457d5d3e780794d5d1be264e2ee481b1d60622514c99bde8829433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] cc99cfe45e1ad6eac4169cd9a090c9b6b904ad1d3ea9ea762979b4614e257d9e
[INFO] running `Command { std: "docker" "start" "-a" "cc99cfe45e1ad6eac4169cd9a090c9b6b904ad1d3ea9ea762979b4614e257d9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/first_word-0a02476b7c4e0ce7)
[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" "cc99cfe45e1ad6eac4169cd9a090c9b6b904ad1d3ea9ea762979b4614e257d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc99cfe45e1ad6eac4169cd9a090c9b6b904ad1d3ea9ea762979b4614e257d9e", kill_on_drop: false }`
[INFO] [stdout] cc99cfe45e1ad6eac4169cd9a090c9b6b904ad1d3ea9ea762979b4614e257d9e