[INFO] fetching crate file_systems 0.2.0...
[INFO] testing file_systems-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate file_systems 0.2.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate file_systems 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file_systems 0.2.0
[INFO] finished tweaking crates.io crate file_systems 0.2.0
[INFO] tweaked toml for crates.io crate file_systems 0.2.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate file_systems 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa85e38542be16fe9248d3738a5feb7ade2a12cba72315c6b58b9ddb78f7183f
[INFO] running `Command { std: "docker" "start" "-a" "fa85e38542be16fe9248d3738a5feb7ade2a12cba72315c6b58b9ddb78f7183f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa85e38542be16fe9248d3738a5feb7ade2a12cba72315c6b58b9ddb78f7183f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa85e38542be16fe9248d3738a5feb7ade2a12cba72315c6b58b9ddb78f7183f", kill_on_drop: false }`
[INFO] [stdout] fa85e38542be16fe9248d3738a5feb7ade2a12cba72315c6b58b9ddb78f7183f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3ea37d6f9524590c4d82c1dd43784b17d5a561aa03584f950666ea61417dc6
[INFO] running `Command { std: "docker" "start" "-a" "ab3ea37d6f9524590c4d82c1dd43784b17d5a561aa03584f950666ea61417dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling file_systems v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "ab3ea37d6f9524590c4d82c1dd43784b17d5a561aa03584f950666ea61417dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3ea37d6f9524590c4d82c1dd43784b17d5a561aa03584f950666ea61417dc6", kill_on_drop: false }`
[INFO] [stdout] ab3ea37d6f9524590c4d82c1dd43784b17d5a561aa03584f950666ea61417dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 314fe3de49eb55e94e4fb0ca40da7f7be476a974cfcfd66a5dc2b590110336c7
[INFO] running `Command { std: "docker" "start" "-a" "314fe3de49eb55e94e4fb0ca40da7f7be476a974cfcfd66a5dc2b590110336c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_systems v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "314fe3de49eb55e94e4fb0ca40da7f7be476a974cfcfd66a5dc2b590110336c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314fe3de49eb55e94e4fb0ca40da7f7be476a974cfcfd66a5dc2b590110336c7", kill_on_drop: false }`
[INFO] [stdout] 314fe3de49eb55e94e4fb0ca40da7f7be476a974cfcfd66a5dc2b590110336c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27d1c1864db410b230784bc604bb76c5cdc3be4a8020874e4ce5507f4acb3eb2
[INFO] running `Command { std: "docker" "start" "-a" "27d1c1864db410b230784bc604bb76c5cdc3be4a8020874e4ce5507f4acb3eb2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_systems-bbe735a08415c1e0)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_systems-a948cf803eea54ec)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_systems
[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" "27d1c1864db410b230784bc604bb76c5cdc3be4a8020874e4ce5507f4acb3eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d1c1864db410b230784bc604bb76c5cdc3be4a8020874e4ce5507f4acb3eb2", kill_on_drop: false }`
[INFO] [stdout] 27d1c1864db410b230784bc604bb76c5cdc3be4a8020874e4ce5507f4acb3eb2