[INFO] fetching crate mining-scheduler 0.2.0...
[INFO] testing mining-scheduler-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mining-scheduler 0.2.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate mining-scheduler 0.2.0 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 mining-scheduler 0.2.0
[INFO] finished tweaking crates.io crate mining-scheduler 0.2.0
[INFO] tweaked toml for crates.io crate mining-scheduler 0.2.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate crates.io crate mining-scheduler 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] f0492f082effaf9e990b1c57b19acc930c780f2d9c0b34eedf18dfa5005af0fe
[INFO] running `Command { std: "docker" "start" "-a" "f0492f082effaf9e990b1c57b19acc930c780f2d9c0b34eedf18dfa5005af0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0492f082effaf9e990b1c57b19acc930c780f2d9c0b34eedf18dfa5005af0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0492f082effaf9e990b1c57b19acc930c780f2d9c0b34eedf18dfa5005af0fe", kill_on_drop: false }`
[INFO] [stdout] f0492f082effaf9e990b1c57b19acc930c780f2d9c0b34eedf18dfa5005af0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 6ef89dcfabb7251ebc6c9fc7844d68569677a6d5d0527f23a88cc5c1a33a03db
[INFO] running `Command { std: "docker" "start" "-a" "6ef89dcfabb7251ebc6c9fc7844d68569677a6d5d0527f23a88cc5c1a33a03db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling sysinfo v0.16.5
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling mining-scheduler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "6ef89dcfabb7251ebc6c9fc7844d68569677a6d5d0527f23a88cc5c1a33a03db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef89dcfabb7251ebc6c9fc7844d68569677a6d5d0527f23a88cc5c1a33a03db", kill_on_drop: false }`
[INFO] [stdout] 6ef89dcfabb7251ebc6c9fc7844d68569677a6d5d0527f23a88cc5c1a33a03db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 482310704e365482fb8d0befa9eae2d2391561d498ec9d7dcd2d2fc2856b6bf1
[INFO] running `Command { std: "docker" "start" "-a" "482310704e365482fb8d0befa9eae2d2391561d498ec9d7dcd2d2fc2856b6bf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mining-scheduler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "482310704e365482fb8d0befa9eae2d2391561d498ec9d7dcd2d2fc2856b6bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482310704e365482fb8d0befa9eae2d2391561d498ec9d7dcd2d2fc2856b6bf1", kill_on_drop: false }`
[INFO] [stdout] 482310704e365482fb8d0befa9eae2d2391561d498ec9d7dcd2d2fc2856b6bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] c863e66baf02d6978b9480aa88f1f435abba54da22c0131bc36be152a14a9869
[INFO] running `Command { std: "docker" "start" "-a" "c863e66baf02d6978b9480aa88f1f435abba54da22c0131bc36be152a14a9869", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mining_scheduler-9cdda538a0182d2b)
[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" "c863e66baf02d6978b9480aa88f1f435abba54da22c0131bc36be152a14a9869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c863e66baf02d6978b9480aa88f1f435abba54da22c0131bc36be152a14a9869", kill_on_drop: false }`
[INFO] [stdout] c863e66baf02d6978b9480aa88f1f435abba54da22c0131bc36be152a14a9869