[INFO] fetching crate flag-mast 0.2.1...
[INFO] testing flag-mast-0.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate flag-mast 0.2.1 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate flag-mast 0.2.1 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 flag-mast 0.2.1
[INFO] finished tweaking crates.io crate flag-mast 0.2.1
[INFO] tweaked toml for crates.io crate flag-mast 0.2.1 written to /workspace/builds/worker-63/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flag-mast-derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] f055c70ae4dd65e13ad9fd53a165dffdc28e6c40aeeb9398a00131327c5bee43
[INFO] running `Command { std: "docker" "start" "-a" "f055c70ae4dd65e13ad9fd53a165dffdc28e6c40aeeb9398a00131327c5bee43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f055c70ae4dd65e13ad9fd53a165dffdc28e6c40aeeb9398a00131327c5bee43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f055c70ae4dd65e13ad9fd53a165dffdc28e6c40aeeb9398a00131327c5bee43", kill_on_drop: false }`
[INFO] [stdout] f055c70ae4dd65e13ad9fd53a165dffdc28e6c40aeeb9398a00131327c5bee43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 744e419873aa02d44442212cfc8482917fbfc86671cb1f0ec72a7a09c54580e9
[INFO] running `Command { std: "docker" "start" "-a" "744e419873aa02d44442212cfc8482917fbfc86671cb1f0ec72a7a09c54580e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling flag-mast-derive v0.2.1
[INFO] [stderr]    Compiling flag-mast v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "744e419873aa02d44442212cfc8482917fbfc86671cb1f0ec72a7a09c54580e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744e419873aa02d44442212cfc8482917fbfc86671cb1f0ec72a7a09c54580e9", kill_on_drop: false }`
[INFO] [stdout] 744e419873aa02d44442212cfc8482917fbfc86671cb1f0ec72a7a09c54580e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 556a4c715ce3470834c6a20e7bf5e6d1b565dfff3b69f7718e3680985fe2a5d2
[INFO] running `Command { std: "docker" "start" "-a" "556a4c715ce3470834c6a20e7bf5e6d1b565dfff3b69f7718e3680985fe2a5d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling flag-mast v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "556a4c715ce3470834c6a20e7bf5e6d1b565dfff3b69f7718e3680985fe2a5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556a4c715ce3470834c6a20e7bf5e6d1b565dfff3b69f7718e3680985fe2a5d2", kill_on_drop: false }`
[INFO] [stdout] 556a4c715ce3470834c6a20e7bf5e6d1b565dfff3b69f7718e3680985fe2a5d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 806695e04c6814859e978745b7946e276c3df1ec332113562dfd02cc40a5db52
[INFO] running `Command { std: "docker" "start" "-a" "806695e04c6814859e978745b7946e276c3df1ec332113562dfd02cc40a5db52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flag_mast-9e9f72b199f6b220)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::it_works_three ... ok
[INFO] [stdout] test tests::it_works_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flag-mast
[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" "806695e04c6814859e978745b7946e276c3df1ec332113562dfd02cc40a5db52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806695e04c6814859e978745b7946e276c3df1ec332113562dfd02cc40a5db52", kill_on_drop: false }`
[INFO] [stdout] 806695e04c6814859e978745b7946e276c3df1ec332113562dfd02cc40a5db52