[INFO] cloning repository https://github.com/danreeves/listenfd-bug-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danreeves/listenfd-bug-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Flistenfd-bug-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Flistenfd-bug-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e2e7310cf698024b2f271277712f4c561145226
[INFO] testing danreeves/listenfd-bug-repro against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Flistenfd-bug-repro" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danreeves/listenfd-bug-repro 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 git repo https://github.com/danreeves/listenfd-bug-repro
[INFO] finished tweaking git repo https://github.com/danreeves/listenfd-bug-repro
[INFO] tweaked toml for git repo https://github.com/danreeves/listenfd-bug-repro written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/danreeves/listenfd-bug-repro 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1bb06592de393da769e9de327f2325abeda8d564d22ad70dd12154ca3e667dce
[INFO] running `Command { std: "docker" "start" "-a" "1bb06592de393da769e9de327f2325abeda8d564d22ad70dd12154ca3e667dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bb06592de393da769e9de327f2325abeda8d564d22ad70dd12154ca3e667dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb06592de393da769e9de327f2325abeda8d564d22ad70dd12154ca3e667dce", kill_on_drop: false }`
[INFO] [stdout] 1bb06592de393da769e9de327f2325abeda8d564d22ad70dd12154ca3e667dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 442b1599452a6f7b53fdaa3b6d0919b3c962b91de081d72bc8bd99843c1914b6
[INFO] running `Command { std: "docker" "start" "-a" "442b1599452a6f7b53fdaa3b6d0919b3c962b91de081d72bc8bd99843c1914b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling listenfd v0.3.3
[INFO] [stderr]    Compiling listenfd-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "442b1599452a6f7b53fdaa3b6d0919b3c962b91de081d72bc8bd99843c1914b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442b1599452a6f7b53fdaa3b6d0919b3c962b91de081d72bc8bd99843c1914b6", kill_on_drop: false }`
[INFO] [stdout] 442b1599452a6f7b53fdaa3b6d0919b3c962b91de081d72bc8bd99843c1914b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b78cdb06497ba22c243c722004d90e2a4a3a63a7cbe50d05a5edb1f0d932877a
[INFO] running `Command { std: "docker" "start" "-a" "b78cdb06497ba22c243c722004d90e2a4a3a63a7cbe50d05a5edb1f0d932877a", kill_on_drop: false }`
[INFO] [stderr]    Compiling listenfd-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "b78cdb06497ba22c243c722004d90e2a4a3a63a7cbe50d05a5edb1f0d932877a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78cdb06497ba22c243c722004d90e2a4a3a63a7cbe50d05a5edb1f0d932877a", kill_on_drop: false }`
[INFO] [stdout] b78cdb06497ba22c243c722004d90e2a4a3a63a7cbe50d05a5edb1f0d932877a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] eb52584efa42d58d57fef158389a5d0e1c513357efe0b62bdca43a5c224d35e4
[INFO] running `Command { std: "docker" "start" "-a" "eb52584efa42d58d57fef158389a5d0e1c513357efe0b62bdca43a5c224d35e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/listenfd_bug-eda44112dbee0752)
[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" "eb52584efa42d58d57fef158389a5d0e1c513357efe0b62bdca43a5c224d35e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb52584efa42d58d57fef158389a5d0e1c513357efe0b62bdca43a5c224d35e4", kill_on_drop: false }`
[INFO] [stdout] eb52584efa42d58d57fef158389a5d0e1c513357efe0b62bdca43a5c224d35e4