[INFO] crate buffer 0.1.8 is already in cache
[INFO] extracting crate buffer 0.1.8 into work/ex/beta-1.38-1/sources/1.37.0/reg/buffer/0.1.8
[INFO] extracting crate buffer 0.1.8 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/buffer/0.1.8
[INFO] validating manifest of buffer-0.1.8 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 buffer-0.1.8 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 buffer-0.1.8
[INFO] finished frobbing buffer-0.1.8
[INFO] frobbed toml for buffer-0.1.8 written to work/ex/beta-1.38-1/sources/1.37.0/reg/buffer/0.1.8/Cargo.toml
[INFO] started frobbing buffer-0.1.8
[INFO] finished frobbing buffer-0.1.8
[INFO] frobbed toml for buffer-0.1.8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/buffer/0.1.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 buffer-0.1.8 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/buffer/0.1.8:/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] f1a0279c771658fd33f3da3763d2c85e43a47ccf567fe4eadb793bfe9e8cf5dc
[INFO] running `"docker" "start" "-a" "f1a0279c771658fd33f3da3763d2c85e43a47ccf567fe4eadb793bfe9e8cf5dc"`
[INFO] [stderr]    Compiling buffer v0.1.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "f1a0279c771658fd33f3da3763d2c85e43a47ccf567fe4eadb793bfe9e8cf5dc"`
[INFO] running `"docker" "rm" "-f" "f1a0279c771658fd33f3da3763d2c85e43a47ccf567fe4eadb793bfe9e8cf5dc"`
[INFO] [stdout] f1a0279c771658fd33f3da3763d2c85e43a47ccf567fe4eadb793bfe9e8cf5dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/buffer/0.1.8:/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] 231a9591570269105577129c590bea2214419b71a3ad3a426497d943ba9e95c0
[INFO] running `"docker" "start" "-a" "231a9591570269105577129c590bea2214419b71a3ad3a426497d943ba9e95c0"`
[INFO] [stderr]    Compiling buffer v0.1.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "231a9591570269105577129c590bea2214419b71a3ad3a426497d943ba9e95c0"`
[INFO] running `"docker" "rm" "-f" "231a9591570269105577129c590bea2214419b71a3ad3a426497d943ba9e95c0"`
[INFO] [stdout] 231a9591570269105577129c590bea2214419b71a3ad3a426497d943ba9e95c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/buffer/0.1.8:/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] 02c8cddb4710e8b1128d72c67126a637e8f2932a3abc5b558884ee7ebf8e94e8
[INFO] running `"docker" "start" "-a" "02c8cddb4710e8b1128d72c67126a637e8f2932a3abc5b558884ee7ebf8e94e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buffer-6c6ddcededcb2054
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test impls::buffer_ref::test::buffer_ref_remaining ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buffer
[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" "02c8cddb4710e8b1128d72c67126a637e8f2932a3abc5b558884ee7ebf8e94e8"`
[INFO] running `"docker" "rm" "-f" "02c8cddb4710e8b1128d72c67126a637e8f2932a3abc5b558884ee7ebf8e94e8"`
[INFO] [stdout] 02c8cddb4710e8b1128d72c67126a637e8f2932a3abc5b558884ee7ebf8e94e8