[INFO] updating cached repository hnakamur/rust-flock-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hnakamur/rust-flock-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hnakamur/rust-flock-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/hnakamur/rust-flock-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hnakamur/rust-flock-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hnakamur/rust-flock-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnakamur/rust-flock-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnakamur/rust-flock-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f80d7767e6562deeb1fd44d493c47116daef1645
[INFO] sha for GitHub repo hnakamur/rust-flock-example: f80d7767e6562deeb1fd44d493c47116daef1645
[INFO] validating manifest of hnakamur/rust-flock-example 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 hnakamur/rust-flock-example 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 hnakamur/rust-flock-example
[INFO] finished frobbing hnakamur/rust-flock-example
[INFO] frobbed toml for hnakamur/rust-flock-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/hnakamur/rust-flock-example/Cargo.toml
[INFO] started frobbing hnakamur/rust-flock-example
[INFO] finished frobbing hnakamur/rust-flock-example
[INFO] frobbed toml for hnakamur/rust-flock-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hnakamur/rust-flock-example/Cargo.toml
[INFO] crate hnakamur/rust-flock-example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing hnakamur/rust-flock-example 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hnakamur/rust-flock-example:/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] b28c78ef2e9eb89c12fb619c21b93e088cbbc8ba1612d69d72a1b16a01fae0e9
[INFO] running `"docker" "start" "-a" "b28c78ef2e9eb89c12fb619c21b93e088cbbc8ba1612d69d72a1b16a01fae0e9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rs-flock-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "b28c78ef2e9eb89c12fb619c21b93e088cbbc8ba1612d69d72a1b16a01fae0e9"`
[INFO] running `"docker" "rm" "-f" "b28c78ef2e9eb89c12fb619c21b93e088cbbc8ba1612d69d72a1b16a01fae0e9"`
[INFO] [stdout] b28c78ef2e9eb89c12fb619c21b93e088cbbc8ba1612d69d72a1b16a01fae0e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hnakamur/rust-flock-example:/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] 78e20f7fc73555114d2b013935bef1bd0069c8ffabf1b7f6e2f02ed69482e9ea
[INFO] running `"docker" "start" "-a" "78e20f7fc73555114d2b013935bef1bd0069c8ffabf1b7f6e2f02ed69482e9ea"`
[INFO] [stderr]    Compiling rs-flock-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "78e20f7fc73555114d2b013935bef1bd0069c8ffabf1b7f6e2f02ed69482e9ea"`
[INFO] running `"docker" "rm" "-f" "78e20f7fc73555114d2b013935bef1bd0069c8ffabf1b7f6e2f02ed69482e9ea"`
[INFO] [stdout] 78e20f7fc73555114d2b013935bef1bd0069c8ffabf1b7f6e2f02ed69482e9ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hnakamur/rust-flock-example:/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] f1bcbd698489f2a42a7a76abe7074658f54c5a7d67066b50ff4481794b30cc2b
[INFO] running `"docker" "start" "-a" "f1bcbd698489f2a42a7a76abe7074658f54c5a7d67066b50ff4481794b30cc2b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[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] [stderr]      Running /opt/crater/target/debug/deps/rs_flock_example-2139ce220fbc7887
[INFO] running `"docker" "inspect" "f1bcbd698489f2a42a7a76abe7074658f54c5a7d67066b50ff4481794b30cc2b"`
[INFO] running `"docker" "rm" "-f" "f1bcbd698489f2a42a7a76abe7074658f54c5a7d67066b50ff4481794b30cc2b"`
[INFO] [stdout] f1bcbd698489f2a42a7a76abe7074658f54c5a7d67066b50ff4481794b30cc2b