[INFO] fetching crate systemfd 0.4.0...
[INFO] testing systemfd-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate systemfd 0.4.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate systemfd 0.4.0 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 systemfd 0.4.0
[INFO] finished tweaking crates.io crate systemfd 0.4.0
[INFO] tweaked toml for crates.io crate systemfd 0.4.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate systemfd 0.4.0 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] b2f366149449524d7250f08d7e2f3fe4810ef8dcccc187197119271661f60b2d
[INFO] running `Command { std: "docker" "start" "-a" "b2f366149449524d7250f08d7e2f3fe4810ef8dcccc187197119271661f60b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2f366149449524d7250f08d7e2f3fe4810ef8dcccc187197119271661f60b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f366149449524d7250f08d7e2f3fe4810ef8dcccc187197119271661f60b2d", kill_on_drop: false }`
[INFO] [stdout] b2f366149449524d7250f08d7e2f3fe4810ef8dcccc187197119271661f60b2d
[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] a75c0a670382a954972e2148e744f357ffed5a42a1bf71efed65ab319e724850
[INFO] running `Command { std: "docker" "start" "-a" "a75c0a670382a954972e2148e744f357ffed5a42a1bf71efed65ab319e724850", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling systemfd v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "a75c0a670382a954972e2148e744f357ffed5a42a1bf71efed65ab319e724850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75c0a670382a954972e2148e744f357ffed5a42a1bf71efed65ab319e724850", kill_on_drop: false }`
[INFO] [stdout] a75c0a670382a954972e2148e744f357ffed5a42a1bf71efed65ab319e724850
[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] bc74b75d8cd0d17998b15d98853fc94c86d7d42bf45a023366e00cf8f42bb9c9
[INFO] running `Command { std: "docker" "start" "-a" "bc74b75d8cd0d17998b15d98853fc94c86d7d42bf45a023366e00cf8f42bb9c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling systemfd v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "bc74b75d8cd0d17998b15d98853fc94c86d7d42bf45a023366e00cf8f42bb9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc74b75d8cd0d17998b15d98853fc94c86d7d42bf45a023366e00cf8f42bb9c9", kill_on_drop: false }`
[INFO] [stdout] bc74b75d8cd0d17998b15d98853fc94c86d7d42bf45a023366e00cf8f42bb9c9
[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] 50a3f3357c8f38365815c6a3502cca1e68a86f6589487fd3c8781b6c63efc4b7
[INFO] running `Command { std: "docker" "start" "-a" "50a3f3357c8f38365815c6a3502cca1e68a86f6589487fd3c8781b6c63efc4b7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/systemfd-b2b86abfe9c844d0)
[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" "50a3f3357c8f38365815c6a3502cca1e68a86f6589487fd3c8781b6c63efc4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a3f3357c8f38365815c6a3502cca1e68a86f6589487fd3c8781b6c63efc4b7", kill_on_drop: false }`
[INFO] [stdout] 50a3f3357c8f38365815c6a3502cca1e68a86f6589487fd3c8781b6c63efc4b7