[INFO] fetching crate callback 0.5.3...
[INFO] testing callback-0.5.3 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate callback 0.5.3 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate callback 0.5.3 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 callback 0.5.3
[INFO] finished tweaking crates.io crate callback 0.5.3
[INFO] tweaked toml for crates.io crate callback 0.5.3 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 28b2f8a49d306f5e3bfcb4ea0681a8f925436206f341392681f53d3abc0baba5
[INFO] running `Command { std: "docker" "start" "-a" "28b2f8a49d306f5e3bfcb4ea0681a8f925436206f341392681f53d3abc0baba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b2f8a49d306f5e3bfcb4ea0681a8f925436206f341392681f53d3abc0baba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b2f8a49d306f5e3bfcb4ea0681a8f925436206f341392681f53d3abc0baba5", kill_on_drop: false }`
[INFO] [stdout] 28b2f8a49d306f5e3bfcb4ea0681a8f925436206f341392681f53d3abc0baba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 53a15e084c96a23e56ff1e420b98d0e7f11ad751ee51e54bb76f6edde37ee09c
[INFO] running `Command { std: "docker" "start" "-a" "53a15e084c96a23e56ff1e420b98d0e7f11ad751ee51e54bb76f6edde37ee09c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling callback v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "53a15e084c96a23e56ff1e420b98d0e7f11ad751ee51e54bb76f6edde37ee09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a15e084c96a23e56ff1e420b98d0e7f11ad751ee51e54bb76f6edde37ee09c", kill_on_drop: false }`
[INFO] [stdout] 53a15e084c96a23e56ff1e420b98d0e7f11ad751ee51e54bb76f6edde37ee09c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 50a17d377c464a74fc6cb6926389e32b74de158a2cde8176710860549c7256f1
[INFO] running `Command { std: "docker" "start" "-a" "50a17d377c464a74fc6cb6926389e32b74de158a2cde8176710860549c7256f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling callback v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "50a17d377c464a74fc6cb6926389e32b74de158a2cde8176710860549c7256f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a17d377c464a74fc6cb6926389e32b74de158a2cde8176710860549c7256f1", kill_on_drop: false }`
[INFO] [stdout] 50a17d377c464a74fc6cb6926389e32b74de158a2cde8176710860549c7256f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 2c268574c98270657c8ae37632846305719f4887ce1789ba26e79ad40a993d31
[INFO] running `Command { std: "docker" "start" "-a" "2c268574c98270657c8ae37632846305719f4887ce1789ba26e79ad40a993d31", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/callback-7357dd9d70199e61)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests callback
[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] [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" "2c268574c98270657c8ae37632846305719f4887ce1789ba26e79ad40a993d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c268574c98270657c8ae37632846305719f4887ce1789ba26e79ad40a993d31", kill_on_drop: false }`
[INFO] [stdout] 2c268574c98270657c8ae37632846305719f4887ce1789ba26e79ad40a993d31