[INFO] fetching crate mn_hello_world 0.1.0...
[INFO] testing mn_hello_world-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mn_hello_world 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate mn_hello_world 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mn_hello_world 0.1.0
[INFO] finished tweaking crates.io crate mn_hello_world 0.1.0
[INFO] tweaked toml for crates.io crate mn_hello_world 0.1.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate mn_hello_world 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76406c21cc213c818cfea55eae198ec1f6d3dd2fa3437a817497ab705843d16e
[INFO] running `Command { std: "docker" "start" "-a" "76406c21cc213c818cfea55eae198ec1f6d3dd2fa3437a817497ab705843d16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76406c21cc213c818cfea55eae198ec1f6d3dd2fa3437a817497ab705843d16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76406c21cc213c818cfea55eae198ec1f6d3dd2fa3437a817497ab705843d16e", kill_on_drop: false }`
[INFO] [stdout] 76406c21cc213c818cfea55eae198ec1f6d3dd2fa3437a817497ab705843d16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff17f76fc77c9f66b73ca4c032b1e3e77ea48f7ca01747840d4d54ea16635a6
[INFO] running `Command { std: "docker" "start" "-a" "1ff17f76fc77c9f66b73ca4c032b1e3e77ea48f7ca01747840d4d54ea16635a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mn_hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "1ff17f76fc77c9f66b73ca4c032b1e3e77ea48f7ca01747840d4d54ea16635a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff17f76fc77c9f66b73ca4c032b1e3e77ea48f7ca01747840d4d54ea16635a6", kill_on_drop: false }`
[INFO] [stdout] 1ff17f76fc77c9f66b73ca4c032b1e3e77ea48f7ca01747840d4d54ea16635a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38c2cd6b6f0b52aafc09822aceec1cc62a355b9134b720812a3f18f195120776
[INFO] running `Command { std: "docker" "start" "-a" "38c2cd6b6f0b52aafc09822aceec1cc62a355b9134b720812a3f18f195120776", kill_on_drop: false }`
[INFO] [stderr]    Compiling mn_hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "38c2cd6b6f0b52aafc09822aceec1cc62a355b9134b720812a3f18f195120776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c2cd6b6f0b52aafc09822aceec1cc62a355b9134b720812a3f18f195120776", kill_on_drop: false }`
[INFO] [stdout] 38c2cd6b6f0b52aafc09822aceec1cc62a355b9134b720812a3f18f195120776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35b85c4f6574a977c08f6c599175f171b8ed298d11ca2225c56b0164cb3b273d
[INFO] running `Command { std: "docker" "start" "-a" "35b85c4f6574a977c08f6c599175f171b8ed298d11ca2225c56b0164cb3b273d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mn_hello_world-4ebb12e6c6047c66)
[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" "35b85c4f6574a977c08f6c599175f171b8ed298d11ca2225c56b0164cb3b273d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b85c4f6574a977c08f6c599175f171b8ed298d11ca2225c56b0164cb3b273d", kill_on_drop: false }`
[INFO] [stdout] 35b85c4f6574a977c08f6c599175f171b8ed298d11ca2225c56b0164cb3b273d