[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Flistenfd-bug-repro" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danreeves/listenfd-bug-repro on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 340bab0b7421c1937b7761832db4b3d13f3225294f69b0202d5b85c1e98b5172
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "340bab0b7421c1937b7761832db4b3d13f3225294f69b0202d5b85c1e98b5172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "340bab0b7421c1937b7761832db4b3d13f3225294f69b0202d5b85c1e98b5172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340bab0b7421c1937b7761832db4b3d13f3225294f69b0202d5b85c1e98b5172", kill_on_drop: false }`
[INFO] [stdout] 340bab0b7421c1937b7761832db4b3d13f3225294f69b0202d5b85c1e98b5172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c93e7a3938693b1c9eb6863936a39bb222d192f01d5a52ab1b883e0a8f3718
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51c93e7a3938693b1c9eb6863936a39bb222d192f01d5a52ab1b883e0a8f3718", kill_on_drop: false }`
[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 1.63s
[INFO] running `Command { std: "docker" "inspect" "51c93e7a3938693b1c9eb6863936a39bb222d192f01d5a52ab1b883e0a8f3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c93e7a3938693b1c9eb6863936a39bb222d192f01d5a52ab1b883e0a8f3718", kill_on_drop: false }`
[INFO] [stdout] 51c93e7a3938693b1c9eb6863936a39bb222d192f01d5a52ab1b883e0a8f3718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2ccceb0a368ae7af825d7aa82e1b4f29bb05c828da4c31921633ec8126b029a
[INFO] running `Command { std: "docker" "start" "-a" "a2ccceb0a368ae7af825d7aa82e1b4f29bb05c828da4c31921633ec8126b029a", kill_on_drop: false }`
[INFO] [stderr]    Compiling listenfd-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a2ccceb0a368ae7af825d7aa82e1b4f29bb05c828da4c31921633ec8126b029a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ccceb0a368ae7af825d7aa82e1b4f29bb05c828da4c31921633ec8126b029a", kill_on_drop: false }`
[INFO] [stdout] a2ccceb0a368ae7af825d7aa82e1b4f29bb05c828da4c31921633ec8126b029a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01f4a4e469c465b476d32251dfe18cb2c462749f1d59d3f9d03e8af87dc2d387
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01f4a4e469c465b476d32251dfe18cb2c462749f1d59d3f9d03e8af87dc2d387", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/listenfd_bug-38372c62c9fb16e8
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01f4a4e469c465b476d32251dfe18cb2c462749f1d59d3f9d03e8af87dc2d387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f4a4e469c465b476d32251dfe18cb2c462749f1d59d3f9d03e8af87dc2d387", kill_on_drop: false }`
[INFO] [stdout] 01f4a4e469c465b476d32251dfe18cb2c462749f1d59d3f9d03e8af87dc2d387