[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-1.38-1/sources/1.37.0/gh/zyvitski/audio_buffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zyvitski/audio_buffer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zyvitski/audio_buffer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zyvitski/audio_buffer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zyvitski/audio_buffer 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 zyvitski/audio_buffer
[INFO] finished frobbing zyvitski/audio_buffer
[INFO] frobbed toml for zyvitski/audio_buffer written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zyvitski/audio_buffer 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e0648726abf85bfc5cb7cf8fb868de6b46a5230ff8e725efdc64e9a0b90bfc44
[INFO] running `"docker" "start" "-a" "e0648726abf85bfc5cb7cf8fb868de6b46a5230ff8e725efdc64e9a0b90bfc44"`
[INFO] [stderr]    Compiling audio_buffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "e0648726abf85bfc5cb7cf8fb868de6b46a5230ff8e725efdc64e9a0b90bfc44"`
[INFO] running `"docker" "rm" "-f" "e0648726abf85bfc5cb7cf8fb868de6b46a5230ff8e725efdc64e9a0b90bfc44"`
[INFO] [stdout] e0648726abf85bfc5cb7cf8fb868de6b46a5230ff8e725efdc64e9a0b90bfc44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec1967879ca6ba1cd130638d1b2920560e356bbb22ad7c29e288353c6acf5407
[INFO] running `"docker" "start" "-a" "ec1967879ca6ba1cd130638d1b2920560e356bbb22ad7c29e288353c6acf5407"`
[INFO] [stderr]    Compiling audio_buffer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "ec1967879ca6ba1cd130638d1b2920560e356bbb22ad7c29e288353c6acf5407"`
[INFO] running `"docker" "rm" "-f" "ec1967879ca6ba1cd130638d1b2920560e356bbb22ad7c29e288353c6acf5407"`
[INFO] [stdout] ec1967879ca6ba1cd130638d1b2920560e356bbb22ad7c29e288353c6acf5407
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3cef3c9050710122a54051354b9897097a5d884a67a50f445dc1f5bef9dc8a7b
[INFO] running `"docker" "start" "-a" "3cef3c9050710122a54051354b9897097a5d884a67a50f445dc1f5bef9dc8a7b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/audio_buffer-4b3df62ccdb93eb0
[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" "3cef3c9050710122a54051354b9897097a5d884a67a50f445dc1f5bef9dc8a7b"`
[INFO] running `"docker" "rm" "-f" "3cef3c9050710122a54051354b9897097a5d884a67a50f445dc1f5bef9dc8a7b"`
[INFO] [stdout] 3cef3c9050710122a54051354b9897097a5d884a67a50f445dc1f5bef9dc8a7b