[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-1.37-6/sources/1.36.0/gh/danreeves/listenfd-bug-repro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/danreeves/listenfd-bug-repro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danreeves/listenfd-bug-repro" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/danreeves/listenfd-bug-repro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of danreeves/listenfd-bug-repro on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing danreeves/listenfd-bug-repro against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 44815eea630e46183b139b4aac0acd91911a28eaa76f759f1007a8935aa05438
[INFO] running `"docker" "start" "-a" "44815eea630e46183b139b4aac0acd91911a28eaa76f759f1007a8935aa05438"`
[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 1.85s
[INFO] running `"docker" "inspect" "44815eea630e46183b139b4aac0acd91911a28eaa76f759f1007a8935aa05438"`
[INFO] running `"docker" "rm" "-f" "44815eea630e46183b139b4aac0acd91911a28eaa76f759f1007a8935aa05438"`
[INFO] [stdout] 44815eea630e46183b139b4aac0acd91911a28eaa76f759f1007a8935aa05438
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b546ba77e936892de7c411ad6e52ce89db90e55b620f11f3be6b01ed2b4fc6c
[INFO] running `"docker" "start" "-a" "9b546ba77e936892de7c411ad6e52ce89db90e55b620f11f3be6b01ed2b4fc6c"`
[INFO] [stderr]    Compiling listenfd-bug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "9b546ba77e936892de7c411ad6e52ce89db90e55b620f11f3be6b01ed2b4fc6c"`
[INFO] running `"docker" "rm" "-f" "9b546ba77e936892de7c411ad6e52ce89db90e55b620f11f3be6b01ed2b4fc6c"`
[INFO] [stdout] 9b546ba77e936892de7c411ad6e52ce89db90e55b620f11f3be6b01ed2b4fc6c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 190c5759ef95cc6fb690356f070ff2c2ce8a4a2d6697bb90052a1c405db35a6f
[INFO] running `"docker" "start" "-a" "190c5759ef95cc6fb690356f070ff2c2ce8a4a2d6697bb90052a1c405db35a6f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/listenfd_bug-e42b4a8b11c6894b
[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" "190c5759ef95cc6fb690356f070ff2c2ce8a4a2d6697bb90052a1c405db35a6f"`
[INFO] running `"docker" "rm" "-f" "190c5759ef95cc6fb690356f070ff2c2ce8a4a2d6697bb90052a1c405db35a6f"`
[INFO] [stdout] 190c5759ef95cc6fb690356f070ff2c2ce8a4a2d6697bb90052a1c405db35a6f