[INFO] cloning repository https://github.com/PierreZ/roll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PierreZ/roll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPierreZ%2Froll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPierreZ%2Froll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2a94e2a9f640c3829ec373ce62ee06a6532db63
[INFO] testing PierreZ/roll against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPierreZ%2Froll" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PierreZ/roll 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/PierreZ/roll
[INFO] finished tweaking git repo https://github.com/PierreZ/roll
[INFO] tweaked toml for git repo https://github.com/PierreZ/roll written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/PierreZ/roll 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] eabe551a156a26e735714c9e1b8bfe8ba7f6e6a2cc4c28bf4b2d1c40701fbd57
[INFO] running `Command { std: "docker" "start" "-a" "eabe551a156a26e735714c9e1b8bfe8ba7f6e6a2cc4c28bf4b2d1c40701fbd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eabe551a156a26e735714c9e1b8bfe8ba7f6e6a2cc4c28bf4b2d1c40701fbd57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabe551a156a26e735714c9e1b8bfe8ba7f6e6a2cc4c28bf4b2d1c40701fbd57", kill_on_drop: false }`
[INFO] [stdout] eabe551a156a26e735714c9e1b8bfe8ba7f6e6a2cc4c28bf4b2d1c40701fbd57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4ddc43998659101d4ffcd631c04c4612905ecb857b7032eb75991ebf0bceab3e
[INFO] running `Command { std: "docker" "start" "-a" "4ddc43998659101d4ffcd631c04c4612905ecb857b7032eb75991ebf0bceab3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling roll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "4ddc43998659101d4ffcd631c04c4612905ecb857b7032eb75991ebf0bceab3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddc43998659101d4ffcd631c04c4612905ecb857b7032eb75991ebf0bceab3e", kill_on_drop: false }`
[INFO] [stdout] 4ddc43998659101d4ffcd631c04c4612905ecb857b7032eb75991ebf0bceab3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0b786b9369504aab8ec12059d0b4a0453b6b390db73595cd62fd84db5f75660e
[INFO] running `Command { std: "docker" "start" "-a" "0b786b9369504aab8ec12059d0b4a0453b6b390db73595cd62fd84db5f75660e", 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 roll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "0b786b9369504aab8ec12059d0b4a0453b6b390db73595cd62fd84db5f75660e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b786b9369504aab8ec12059d0b4a0453b6b390db73595cd62fd84db5f75660e", kill_on_drop: false }`
[INFO] [stdout] 0b786b9369504aab8ec12059d0b4a0453b6b390db73595cd62fd84db5f75660e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 706d31f71de9a50291d8d6f64841bd68bfac6fcc9a48d9131d082eccd006e6f9
[INFO] running `Command { std: "docker" "start" "-a" "706d31f71de9a50291d8d6f64841bd68bfac6fcc9a48d9131d082eccd006e6f9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roll-4c27fa06f32d10b4)
[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" "706d31f71de9a50291d8d6f64841bd68bfac6fcc9a48d9131d082eccd006e6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706d31f71de9a50291d8d6f64841bd68bfac6fcc9a48d9131d082eccd006e6f9", kill_on_drop: false }`
[INFO] [stdout] 706d31f71de9a50291d8d6f64841bd68bfac6fcc9a48d9131d082eccd006e6f9