[INFO] updating cached repository andygrn/flock
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andygrn/flock
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrn/flock" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andygrn/flock"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andygrn/flock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrn/flock" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/andygrn/flock"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/andygrn/flock'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88b50285043c1d832908068be18cf00c0a14d8cd
[INFO] sha for GitHub repo andygrn/flock: 88b50285043c1d832908068be18cf00c0a14d8cd
[INFO] validating manifest of andygrn/flock on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andygrn/flock on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andygrn/flock
[INFO] finished frobbing andygrn/flock
[INFO] frobbed toml for andygrn/flock written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andygrn/flock/Cargo.toml
[INFO] started frobbing andygrn/flock
[INFO] finished frobbing andygrn/flock
[INFO] frobbed toml for andygrn/flock written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/andygrn/flock/Cargo.toml
[INFO] crate andygrn/flock has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing andygrn/flock against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andygrn/flock:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 6354f1bf0bdcf164a9ba5d7a51b1cd9fba527fc1870051eb8270d50061a7d69f
[INFO] running `"docker" "start" "-a" "6354f1bf0bdcf164a9ba5d7a51b1cd9fba527fc1870051eb8270d50061a7d69f"`
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling crossbeam v0.3.0
[INFO] [stderr]    Compiling noise v0.4.1
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]    Compiling hibitset v0.3.2
[INFO] [stderr]    Compiling arrayvec v0.3.24
[INFO] [stderr]    Compiling shred v0.5.0
[INFO] [stderr]    Compiling specs v0.10.0
[INFO] [stderr]    Compiling flock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.00s
[INFO] running `"docker" "inspect" "6354f1bf0bdcf164a9ba5d7a51b1cd9fba527fc1870051eb8270d50061a7d69f"`
[INFO] running `"docker" "rm" "-f" "6354f1bf0bdcf164a9ba5d7a51b1cd9fba527fc1870051eb8270d50061a7d69f"`
[INFO] [stdout] 6354f1bf0bdcf164a9ba5d7a51b1cd9fba527fc1870051eb8270d50061a7d69f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andygrn/flock:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 768f91684ea18ef2e5fa2199b4530e5d2ff992a54af1e5fd441d58d3c8e48d44
[INFO] running `"docker" "start" "-a" "768f91684ea18ef2e5fa2199b4530e5d2ff992a54af1e5fd441d58d3c8e48d44"`
[INFO] [stderr]    Compiling flock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "768f91684ea18ef2e5fa2199b4530e5d2ff992a54af1e5fd441d58d3c8e48d44"`
[INFO] running `"docker" "rm" "-f" "768f91684ea18ef2e5fa2199b4530e5d2ff992a54af1e5fd441d58d3c8e48d44"`
[INFO] [stdout] 768f91684ea18ef2e5fa2199b4530e5d2ff992a54af1e5fd441d58d3c8e48d44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/andygrn/flock:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] e3926875150feb46c698ba4a30bd99eb4b8532ecd4b16bc5b47ac4eb22255b7e
[INFO] running `"docker" "start" "-a" "e3926875150feb46c698ba4a30bd99eb4b8532ecd4b16bc5b47ac4eb22255b7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flock-4d59f0fc7db56d17
[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" "e3926875150feb46c698ba4a30bd99eb4b8532ecd4b16bc5b47ac4eb22255b7e"`
[INFO] running `"docker" "rm" "-f" "e3926875150feb46c698ba4a30bd99eb4b8532ecd4b16bc5b47ac4eb22255b7e"`
[INFO] [stdout] e3926875150feb46c698ba4a30bd99eb4b8532ecd4b16bc5b47ac4eb22255b7e