[INFO] updating cached repository zyvitski/audio_buffer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zyvitski/audio_buffer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zyvitski/audio_buffer" "work/ex/beta-1.37-6/sources/1.36.0/gh/zyvitski/audio_buffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/zyvitski/audio_buffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zyvitski/audio_buffer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zyvitski/audio_buffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zyvitski/audio_buffer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a0b6f983562b71d47221e3c7f3c96adbd3c9180
[INFO] sha for GitHub repo zyvitski/audio_buffer: 5a0b6f983562b71d47221e3c7f3c96adbd3c9180
[INFO] validating manifest of zyvitski/audio_buffer 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 zyvitski/audio_buffer 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 zyvitski/audio_buffer
[INFO] finished frobbing zyvitski/audio_buffer
[INFO] frobbed toml for zyvitski/audio_buffer written to work/ex/beta-1.37-6/sources/1.36.0/gh/zyvitski/audio_buffer/Cargo.toml
[INFO] started frobbing zyvitski/audio_buffer
[INFO] finished frobbing zyvitski/audio_buffer
[INFO] frobbed toml for zyvitski/audio_buffer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zyvitski/audio_buffer/Cargo.toml
[INFO] crate zyvitski/audio_buffer 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing zyvitski/audio_buffer 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-5/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/zyvitski/audio_buffer:/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] bac3afbec69381b3127c6f5cf36b9dc4875a828c19631ad4b0fbeb2244dd3505
[INFO] running `"docker" "start" "-a" "bac3afbec69381b3127c6f5cf36b9dc4875a828c19631ad4b0fbeb2244dd3505"`
[INFO] [stderr]    Compiling audio_buffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "bac3afbec69381b3127c6f5cf36b9dc4875a828c19631ad4b0fbeb2244dd3505"`
[INFO] running `"docker" "rm" "-f" "bac3afbec69381b3127c6f5cf36b9dc4875a828c19631ad4b0fbeb2244dd3505"`
[INFO] [stdout] bac3afbec69381b3127c6f5cf36b9dc4875a828c19631ad4b0fbeb2244dd3505
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/zyvitski/audio_buffer:/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] ac606e172c3d5e6898c7f88aac2c06925d388a131d81ff0ea3c0d11f59c0cc58
[INFO] running `"docker" "start" "-a" "ac606e172c3d5e6898c7f88aac2c06925d388a131d81ff0ea3c0d11f59c0cc58"`
[INFO] [stderr]    Compiling audio_buffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "ac606e172c3d5e6898c7f88aac2c06925d388a131d81ff0ea3c0d11f59c0cc58"`
[INFO] running `"docker" "rm" "-f" "ac606e172c3d5e6898c7f88aac2c06925d388a131d81ff0ea3c0d11f59c0cc58"`
[INFO] [stdout] ac606e172c3d5e6898c7f88aac2c06925d388a131d81ff0ea3c0d11f59c0cc58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/zyvitski/audio_buffer:/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] 52c69deacf170dcb889fc4a3e3a2fc2a181c1f62ccb3d79bbe041d49cb77598c
[INFO] running `"docker" "start" "-a" "52c69deacf170dcb889fc4a3e3a2fc2a181c1f62ccb3d79bbe041d49cb77598c"`
[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/audio_buffer-1e8294b9001ee426
[INFO] running `"docker" "inspect" "52c69deacf170dcb889fc4a3e3a2fc2a181c1f62ccb3d79bbe041d49cb77598c"`
[INFO] running `"docker" "rm" "-f" "52c69deacf170dcb889fc4a3e3a2fc2a181c1f62ccb3d79bbe041d49cb77598c"`
[INFO] [stdout] 52c69deacf170dcb889fc4a3e3a2fc2a181c1f62ccb3d79bbe041d49cb77598c