[INFO] fetching crate filedescriptor 0.8.2...
[INFO] testing filedescriptor-0.8.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate filedescriptor 0.8.2 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate filedescriptor 0.8.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ade8bb28fc02918a241a8c937518f82436b8c71ac503809d2e7dfd6df62bc35
[INFO] running `Command { std: "docker" "start" "-a" "8ade8bb28fc02918a241a8c937518f82436b8c71ac503809d2e7dfd6df62bc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ade8bb28fc02918a241a8c937518f82436b8c71ac503809d2e7dfd6df62bc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ade8bb28fc02918a241a8c937518f82436b8c71ac503809d2e7dfd6df62bc35", kill_on_drop: false }`
[INFO] [stdout] 8ade8bb28fc02918a241a8c937518f82436b8c71ac503809d2e7dfd6df62bc35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 712248a48d164d15e5363d44e798ff2eb83fdf4ab0ded7e388c93f1fa34ba3de
[INFO] running `Command { std: "docker" "start" "-a" "712248a48d164d15e5363d44e798ff2eb83fdf4ab0ded7e388c93f1fa34ba3de", 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 2.51s
[INFO] running `Command { std: "docker" "inspect" "712248a48d164d15e5363d44e798ff2eb83fdf4ab0ded7e388c93f1fa34ba3de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712248a48d164d15e5363d44e798ff2eb83fdf4ab0ded7e388c93f1fa34ba3de", kill_on_drop: false }`
[INFO] [stdout] 712248a48d164d15e5363d44e798ff2eb83fdf4ab0ded7e388c93f1fa34ba3de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e11d67415ca810756617fc788f4a905e6da676f8c566c19bee27feef9c9e286
[INFO] running `Command { std: "docker" "start" "-a" "8e11d67415ca810756617fc788f4a905e6da676f8c566c19bee27feef9c9e286", kill_on_drop: false }`
[INFO] [stderr]    Compiling filedescriptor v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/filedescriptor-89bd5803b0090386)
[INFO] running `Command { std: "docker" "inspect" "8e11d67415ca810756617fc788f4a905e6da676f8c566c19bee27feef9c9e286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e11d67415ca810756617fc788f4a905e6da676f8c566c19bee27feef9c9e286", kill_on_drop: false }`
[INFO] [stdout] 8e11d67415ca810756617fc788f4a905e6da676f8c566c19bee27feef9c9e286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbda4091cec2e27bd45966ec0b894cc730f12a214f4fb835ff78a20a9a75a4a7
[INFO] running `Command { std: "docker" "start" "-a" "bbda4091cec2e27bd45966ec0b894cc730f12a214f4fb835ff78a20a9a75a4a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filedescriptor-89bd5803b0090386)
[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 - FileDescriptor (line 242) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - Pipe (line 330) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbda4091cec2e27bd45966ec0b894cc730f12a214f4fb835ff78a20a9a75a4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbda4091cec2e27bd45966ec0b894cc730f12a214f4fb835ff78a20a9a75a4a7", kill_on_drop: false }`
[INFO] [stdout] bbda4091cec2e27bd45966ec0b894cc730f12a214f4fb835ff78a20a9a75a4a7