[INFO] fetching crate filedescriptor 0.8.2...
[INFO] testing filedescriptor-0.8.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate filedescriptor 0.8.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate filedescriptor 0.8.2 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 filedescriptor 0.8.2
[INFO] finished tweaking crates.io crate filedescriptor 0.8.2
[INFO] tweaked toml for crates.io crate filedescriptor 0.8.2 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 74b35303583fc92158d9ca3086c61f83a9211454460e607eee75d17e00ee712f
[INFO] running `Command { std: "docker" "start" "-a" "74b35303583fc92158d9ca3086c61f83a9211454460e607eee75d17e00ee712f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b35303583fc92158d9ca3086c61f83a9211454460e607eee75d17e00ee712f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b35303583fc92158d9ca3086c61f83a9211454460e607eee75d17e00ee712f", kill_on_drop: false }`
[INFO] [stdout] 74b35303583fc92158d9ca3086c61f83a9211454460e607eee75d17e00ee712f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a7e7a88361b1a07e9db392ce6496c67a4a48a8aaae1ec8066ce62cc0b93e8ff6
[INFO] running `Command { std: "docker" "start" "-a" "a7e7a88361b1a07e9db392ce6496c67a4a48a8aaae1ec8066ce62cc0b93e8ff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling filedescriptor v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "a7e7a88361b1a07e9db392ce6496c67a4a48a8aaae1ec8066ce62cc0b93e8ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e7a88361b1a07e9db392ce6496c67a4a48a8aaae1ec8066ce62cc0b93e8ff6", kill_on_drop: false }`
[INFO] [stdout] a7e7a88361b1a07e9db392ce6496c67a4a48a8aaae1ec8066ce62cc0b93e8ff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8ea4d02e2ce400417c7e11bfad9c3507cae768ead2244b1c38fb6c5f8067f090
[INFO] running `Command { std: "docker" "start" "-a" "8ea4d02e2ce400417c7e11bfad9c3507cae768ead2244b1c38fb6c5f8067f090", kill_on_drop: false }`
[INFO] [stderr]    Compiling filedescriptor v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "8ea4d02e2ce400417c7e11bfad9c3507cae768ead2244b1c38fb6c5f8067f090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea4d02e2ce400417c7e11bfad9c3507cae768ead2244b1c38fb6c5f8067f090", kill_on_drop: false }`
[INFO] [stdout] 8ea4d02e2ce400417c7e11bfad9c3507cae768ead2244b1c38fb6c5f8067f090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] eea43534f99e2e64a55aa14152c471a8b116797f4002e0cbe117c7ff800b081b
[INFO] running `Command { std: "docker" "start" "-a" "eea43534f99e2e64a55aa14152c471a8b116797f4002e0cbe117c7ff800b081b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/filedescriptor-214adeb8e4d512c9)
[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]    Doc-tests filedescriptor
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - FileDescriptor (line 242) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - Pipe (line 330) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eea43534f99e2e64a55aa14152c471a8b116797f4002e0cbe117c7ff800b081b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea43534f99e2e64a55aa14152c471a8b116797f4002e0cbe117c7ff800b081b", kill_on_drop: false }`
[INFO] [stdout] eea43534f99e2e64a55aa14152c471a8b116797f4002e0cbe117c7ff800b081b