[INFO] cloning repository https://github.com/rakin406/rainbow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rakin406/rainbow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakin406%2Frainbow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakin406%2Frainbow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e7477ab6ddb4c47002e0c1d3ca57719d37ade4b
[INFO] testing rakin406/rainbow against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakin406%2Frainbow" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rakin406/rainbow 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/rakin406/rainbow
[INFO] finished tweaking git repo https://github.com/rakin406/rainbow
[INFO] tweaked toml for git repo https://github.com/rakin406/rainbow written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/rakin406/rainbow 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] e628641b7cd59e874b1ac11969227b7fcab57cd189192815ed2684ae005a85ee
[INFO] running `Command { std: "docker" "start" "-a" "e628641b7cd59e874b1ac11969227b7fcab57cd189192815ed2684ae005a85ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e628641b7cd59e874b1ac11969227b7fcab57cd189192815ed2684ae005a85ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e628641b7cd59e874b1ac11969227b7fcab57cd189192815ed2684ae005a85ee", kill_on_drop: false }`
[INFO] [stdout] e628641b7cd59e874b1ac11969227b7fcab57cd189192815ed2684ae005a85ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 38e7aba40db74b22aa8792a069405ef768270e54eedebc9e3ab4581286402d3b
[INFO] running `Command { std: "docker" "start" "-a" "38e7aba40db74b22aa8792a069405ef768270e54eedebc9e3ab4581286402d3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rainbow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "38e7aba40db74b22aa8792a069405ef768270e54eedebc9e3ab4581286402d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e7aba40db74b22aa8792a069405ef768270e54eedebc9e3ab4581286402d3b", kill_on_drop: false }`
[INFO] [stdout] 38e7aba40db74b22aa8792a069405ef768270e54eedebc9e3ab4581286402d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 637c7a8a3326028f5e9e5864e95ff901a407285ed6d570dfad867d87e16eadff
[INFO] running `Command { std: "docker" "start" "-a" "637c7a8a3326028f5e9e5864e95ff901a407285ed6d570dfad867d87e16eadff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rainbow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "637c7a8a3326028f5e9e5864e95ff901a407285ed6d570dfad867d87e16eadff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637c7a8a3326028f5e9e5864e95ff901a407285ed6d570dfad867d87e16eadff", kill_on_drop: false }`
[INFO] [stdout] 637c7a8a3326028f5e9e5864e95ff901a407285ed6d570dfad867d87e16eadff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 06b258b452321eacb1eb49fd5fd321ad1bd3d5ba736e1489fa7cc63c108722b8
[INFO] running `Command { std: "docker" "start" "-a" "06b258b452321eacb1eb49fd5fd321ad1bd3d5ba736e1489fa7cc63c108722b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rainbow-cc4537c5d5feeb7e)
[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" "06b258b452321eacb1eb49fd5fd321ad1bd3d5ba736e1489fa7cc63c108722b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b258b452321eacb1eb49fd5fd321ad1bd3d5ba736e1489fa7cc63c108722b8", kill_on_drop: false }`
[INFO] [stdout] 06b258b452321eacb1eb49fd5fd321ad1bd3d5ba736e1489fa7cc63c108722b8