[INFO] updating cached repository baliuzeger/mpsc_synchronizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/baliuzeger/mpsc_synchronizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/baliuzeger/mpsc_synchronizer" "work/ex/beta-1.38-1/sources/1.37.0/gh/baliuzeger/mpsc_synchronizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/baliuzeger/mpsc_synchronizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/baliuzeger/mpsc_synchronizer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baliuzeger/mpsc_synchronizer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baliuzeger/mpsc_synchronizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 799353cb0c9804e4ca37c60d7cd65f9fe6200568
[INFO] sha for GitHub repo baliuzeger/mpsc_synchronizer: 799353cb0c9804e4ca37c60d7cd65f9fe6200568
[INFO] validating manifest of baliuzeger/mpsc_synchronizer 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 baliuzeger/mpsc_synchronizer 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 baliuzeger/mpsc_synchronizer
[INFO] finished frobbing baliuzeger/mpsc_synchronizer
[INFO] frobbed toml for baliuzeger/mpsc_synchronizer written to work/ex/beta-1.38-1/sources/1.37.0/gh/baliuzeger/mpsc_synchronizer/Cargo.toml
[INFO] started frobbing baliuzeger/mpsc_synchronizer
[INFO] finished frobbing baliuzeger/mpsc_synchronizer
[INFO] frobbed toml for baliuzeger/mpsc_synchronizer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baliuzeger/mpsc_synchronizer/Cargo.toml
[INFO] crate baliuzeger/mpsc_synchronizer 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 baliuzeger/mpsc_synchronizer 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-6/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/baliuzeger/mpsc_synchronizer:/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] efea445fbee3d592378dd8b858aed068198d7961a35f019a5abedf4ce2c63948
[INFO] running `"docker" "start" "-a" "efea445fbee3d592378dd8b858aed068198d7961a35f019a5abedf4ce2c63948"`
[INFO] [stderr]    Compiling mpsc_synchronizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "efea445fbee3d592378dd8b858aed068198d7961a35f019a5abedf4ce2c63948"`
[INFO] running `"docker" "rm" "-f" "efea445fbee3d592378dd8b858aed068198d7961a35f019a5abedf4ce2c63948"`
[INFO] [stdout] efea445fbee3d592378dd8b858aed068198d7961a35f019a5abedf4ce2c63948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/baliuzeger/mpsc_synchronizer:/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] 0f955f2e596fa0be52ada3eb3c5213935cacdf9c3ca3f0f0dd15c1f791349249
[INFO] running `"docker" "start" "-a" "0f955f2e596fa0be52ada3eb3c5213935cacdf9c3ca3f0f0dd15c1f791349249"`
[INFO] [stderr]    Compiling mpsc_synchronizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "0f955f2e596fa0be52ada3eb3c5213935cacdf9c3ca3f0f0dd15c1f791349249"`
[INFO] running `"docker" "rm" "-f" "0f955f2e596fa0be52ada3eb3c5213935cacdf9c3ca3f0f0dd15c1f791349249"`
[INFO] [stdout] 0f955f2e596fa0be52ada3eb3c5213935cacdf9c3ca3f0f0dd15c1f791349249
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/baliuzeger/mpsc_synchronizer:/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] 16ce1846ce540d94c848313c9e37fb71ef0323bfbfe25b65eda1cf27b45057cb
[INFO] running `"docker" "start" "-a" "16ce1846ce540d94c848313c9e37fb71ef0323bfbfe25b65eda1cf27b45057cb"`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mpsc_synchronizer-419c9e903f874f00
[INFO] running `"docker" "inspect" "16ce1846ce540d94c848313c9e37fb71ef0323bfbfe25b65eda1cf27b45057cb"`
[INFO] running `"docker" "rm" "-f" "16ce1846ce540d94c848313c9e37fb71ef0323bfbfe25b65eda1cf27b45057cb"`
[INFO] [stdout] 16ce1846ce540d94c848313c9e37fb71ef0323bfbfe25b65eda1cf27b45057cb