[INFO] fetching crate miner 0.0.0...
[INFO] testing miner-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate miner 0.0.0 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate miner 0.0.0 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 crates.io crate miner 0.0.0
[INFO] finished tweaking crates.io crate miner 0.0.0
[INFO] tweaked toml for crates.io crate miner 0.0.0 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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] 2c8365067c7d3f860f9a43f2a5004111240671e622abad735e24e24956fb77f2
[INFO] running `Command { std: "docker" "start" "-a" "2c8365067c7d3f860f9a43f2a5004111240671e622abad735e24e24956fb77f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8365067c7d3f860f9a43f2a5004111240671e622abad735e24e24956fb77f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8365067c7d3f860f9a43f2a5004111240671e622abad735e24e24956fb77f2", kill_on_drop: false }`
[INFO] [stdout] 2c8365067c7d3f860f9a43f2a5004111240671e622abad735e24e24956fb77f2
[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] da737c663b63913155b3c6cce0926707e9b45312dead3537bcdb135830b0227f
[INFO] running `Command { std: "docker" "start" "-a" "da737c663b63913155b3c6cce0926707e9b45312dead3537bcdb135830b0227f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling miner v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "da737c663b63913155b3c6cce0926707e9b45312dead3537bcdb135830b0227f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da737c663b63913155b3c6cce0926707e9b45312dead3537bcdb135830b0227f", kill_on_drop: false }`
[INFO] [stdout] da737c663b63913155b3c6cce0926707e9b45312dead3537bcdb135830b0227f
[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] 417d2a5a734a610bbada0bded5042b61c3d9d48041b5a1d4bb39762fad3b7236
[INFO] running `Command { std: "docker" "start" "-a" "417d2a5a734a610bbada0bded5042b61c3d9d48041b5a1d4bb39762fad3b7236", kill_on_drop: false }`
[INFO] [stderr]    Compiling miner v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "417d2a5a734a610bbada0bded5042b61c3d9d48041b5a1d4bb39762fad3b7236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417d2a5a734a610bbada0bded5042b61c3d9d48041b5a1d4bb39762fad3b7236", kill_on_drop: false }`
[INFO] [stdout] 417d2a5a734a610bbada0bded5042b61c3d9d48041b5a1d4bb39762fad3b7236
[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] 6d4b6d76402fdd58a27605d114d963ccfa779cc7e8acdaf22259349cc8828e9c
[INFO] running `Command { std: "docker" "start" "-a" "6d4b6d76402fdd58a27605d114d963ccfa779cc7e8acdaf22259349cc8828e9c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/miner-5d76556b3cd9bd09)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests miner
[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] [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" "6d4b6d76402fdd58a27605d114d963ccfa779cc7e8acdaf22259349cc8828e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4b6d76402fdd58a27605d114d963ccfa779cc7e8acdaf22259349cc8828e9c", kill_on_drop: false }`
[INFO] [stdout] 6d4b6d76402fdd58a27605d114d963ccfa779cc7e8acdaf22259349cc8828e9c