[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/beta-1.38-1/sources/1.37.0/gh/andygrn/flock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andygrn/flock'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrn/flock" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andygrn/flock"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 andygrn/flock 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 andygrn/flock
[INFO] finished frobbing andygrn/flock
[INFO] frobbed toml for andygrn/flock written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/andygrn/flock/Cargo.toml
[INFO] crate andygrn/flock 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 andygrn/flock against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e5915ab7d3fc21018928545907f2d1215b00d83e66c486301d16bf1564f1a91b
[INFO] running `"docker" "start" "-a" "e5915ab7d3fc21018928545907f2d1215b00d83e66c486301d16bf1564f1a91b"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling atom v0.3.4
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling crossbeam v0.3.0
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling arrayvec v0.3.24
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling noise v0.4.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling shred-derive v0.3.0
[INFO] [stderr]    Compiling shred v0.5.0
[INFO] [stderr]    Compiling hibitset v0.3.2
[INFO] [stderr]    Compiling derivative v1.0.0
[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 48.11s
[INFO] running `"docker" "inspect" "e5915ab7d3fc21018928545907f2d1215b00d83e66c486301d16bf1564f1a91b"`
[INFO] running `"docker" "rm" "-f" "e5915ab7d3fc21018928545907f2d1215b00d83e66c486301d16bf1564f1a91b"`
[INFO] [stdout] e5915ab7d3fc21018928545907f2d1215b00d83e66c486301d16bf1564f1a91b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6f0a59ffaf15c992fce53be176072066696bb3526af13c26835953ab269bfd3d
[INFO] running `"docker" "start" "-a" "6f0a59ffaf15c992fce53be176072066696bb3526af13c26835953ab269bfd3d"`
[INFO] [stderr]    Compiling flock v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "6f0a59ffaf15c992fce53be176072066696bb3526af13c26835953ab269bfd3d"`
[INFO] running `"docker" "rm" "-f" "6f0a59ffaf15c992fce53be176072066696bb3526af13c26835953ab269bfd3d"`
[INFO] [stdout] 6f0a59ffaf15c992fce53be176072066696bb3526af13c26835953ab269bfd3d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 39781a9d375027ec01ed36804471403b2a70c1c231635af096260f1f9a2c069d
[INFO] running `"docker" "start" "-a" "39781a9d375027ec01ed36804471403b2a70c1c231635af096260f1f9a2c069d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flock-bbfdbe52adcb6ec7
[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" "39781a9d375027ec01ed36804471403b2a70c1c231635af096260f1f9a2c069d"`
[INFO] running `"docker" "rm" "-f" "39781a9d375027ec01ed36804471403b2a70c1c231635af096260f1f9a2c069d"`
[INFO] [stdout] 39781a9d375027ec01ed36804471403b2a70c1c231635af096260f1f9a2c069d