[INFO] updating cached repository danreeves/listenfd-bug-repro
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danreeves/listenfd-bug-repro
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danreeves/listenfd-bug-repro" "work/ex/beta-1.38-1/sources/1.37.0/gh/danreeves/listenfd-bug-repro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/danreeves/listenfd-bug-repro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danreeves/listenfd-bug-repro" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danreeves/listenfd-bug-repro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danreeves/listenfd-bug-repro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e2e7310cf698024b2f271277712f4c561145226
[INFO] sha for GitHub repo danreeves/listenfd-bug-repro: 5e2e7310cf698024b2f271277712f4c561145226
[INFO] validating manifest of danreeves/listenfd-bug-repro on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of danreeves/listenfd-bug-repro on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing danreeves/listenfd-bug-repro
[INFO] finished frobbing danreeves/listenfd-bug-repro
[INFO] frobbed toml for danreeves/listenfd-bug-repro written to work/ex/beta-1.38-1/sources/1.37.0/gh/danreeves/listenfd-bug-repro/Cargo.toml
[INFO] started frobbing danreeves/listenfd-bug-repro
[INFO] finished frobbing danreeves/listenfd-bug-repro
[INFO] frobbed toml for danreeves/listenfd-bug-repro written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/danreeves/listenfd-bug-repro/Cargo.toml
[INFO] crate danreeves/listenfd-bug-repro already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing danreeves/listenfd-bug-repro against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danreeves/listenfd-bug-repro:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 202e75610430eeb5fa28fc09a9df79903fbdddf5d5194f323157763fcf58be92
[INFO] running `"docker" "start" "-a" "202e75610430eeb5fa28fc09a9df79903fbdddf5d5194f323157763fcf58be92"`
[INFO] [stderr]    Compiling listenfd v0.3.3
[INFO] [stderr]    Compiling listenfd-bug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "202e75610430eeb5fa28fc09a9df79903fbdddf5d5194f323157763fcf58be92"`
[INFO] running `"docker" "rm" "-f" "202e75610430eeb5fa28fc09a9df79903fbdddf5d5194f323157763fcf58be92"`
[INFO] [stdout] 202e75610430eeb5fa28fc09a9df79903fbdddf5d5194f323157763fcf58be92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danreeves/listenfd-bug-repro:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6c2a48a492184e8e37b427259462f20ee15eed088191e917cbc286ca47ccf57f
[INFO] running `"docker" "start" "-a" "6c2a48a492184e8e37b427259462f20ee15eed088191e917cbc286ca47ccf57f"`
[INFO] [stderr]    Compiling listenfd-bug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "6c2a48a492184e8e37b427259462f20ee15eed088191e917cbc286ca47ccf57f"`
[INFO] running `"docker" "rm" "-f" "6c2a48a492184e8e37b427259462f20ee15eed088191e917cbc286ca47ccf57f"`
[INFO] [stdout] 6c2a48a492184e8e37b427259462f20ee15eed088191e917cbc286ca47ccf57f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/danreeves/listenfd-bug-repro:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 82cb4b4d12df4902e32812f7f096a4da7b148458a31e747d43785968b9c62dd8
[INFO] running `"docker" "start" "-a" "82cb4b4d12df4902e32812f7f096a4da7b148458a31e747d43785968b9c62dd8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/listenfd_bug-e939c999bdfff772
[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 `"docker" "inspect" "82cb4b4d12df4902e32812f7f096a4da7b148458a31e747d43785968b9c62dd8"`
[INFO] running `"docker" "rm" "-f" "82cb4b4d12df4902e32812f7f096a4da7b148458a31e747d43785968b9c62dd8"`
[INFO] [stdout] 82cb4b4d12df4902e32812f7f096a4da7b148458a31e747d43785968b9c62dd8