[INFO] updating cached repository Emerentius/binary_search_bench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Emerentius/binary_search_bench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Emerentius/binary_search_bench" "work/ex/beta-1.38-1/sources/1.37.0/gh/Emerentius/binary_search_bench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Emerentius/binary_search_bench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Emerentius/binary_search_bench" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Emerentius/binary_search_bench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Emerentius/binary_search_bench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f8f3137359b629244240369d53120f1d4f819072
[INFO] sha for GitHub repo Emerentius/binary_search_bench: f8f3137359b629244240369d53120f1d4f819072
[INFO] validating manifest of Emerentius/binary_search_bench 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 Emerentius/binary_search_bench 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 Emerentius/binary_search_bench
[INFO] finished frobbing Emerentius/binary_search_bench
[INFO] frobbed toml for Emerentius/binary_search_bench written to work/ex/beta-1.38-1/sources/1.37.0/gh/Emerentius/binary_search_bench/Cargo.toml
[INFO] started frobbing Emerentius/binary_search_bench
[INFO] finished frobbing Emerentius/binary_search_bench
[INFO] frobbed toml for Emerentius/binary_search_bench written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Emerentius/binary_search_bench/Cargo.toml
[INFO] crate Emerentius/binary_search_bench 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 Emerentius/binary_search_bench 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/Emerentius/binary_search_bench:/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] b161f6022851001f11ead1bb3129c33a5507d7aa72395b53a60e7b5263189fad
[INFO] running `"docker" "start" "-a" "b161f6022851001f11ead1bb3129c33a5507d7aa72395b53a60e7b5263189fad"`
[INFO] [stderr]    Compiling binary_search_bench v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `"docker" "inspect" "b161f6022851001f11ead1bb3129c33a5507d7aa72395b53a60e7b5263189fad"`
[INFO] running `"docker" "rm" "-f" "b161f6022851001f11ead1bb3129c33a5507d7aa72395b53a60e7b5263189fad"`
[INFO] [stdout] b161f6022851001f11ead1bb3129c33a5507d7aa72395b53a60e7b5263189fad
[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/Emerentius/binary_search_bench:/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] 881c48cdff79077dd390acab90da6f23dd85d471c48f7bddc5e0912c7e07786e
[INFO] running `"docker" "start" "-a" "881c48cdff79077dd390acab90da6f23dd85d471c48f7bddc5e0912c7e07786e"`
[INFO] [stderr]    Compiling binary_search_bench v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "881c48cdff79077dd390acab90da6f23dd85d471c48f7bddc5e0912c7e07786e"`
[INFO] running `"docker" "rm" "-f" "881c48cdff79077dd390acab90da6f23dd85d471c48f7bddc5e0912c7e07786e"`
[INFO] [stdout] 881c48cdff79077dd390acab90da6f23dd85d471c48f7bddc5e0912c7e07786e
[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/Emerentius/binary_search_bench:/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] 5488cc45a3141d819dbeaf34d8587a0999c97a8f7aa6ab1a430ffaa6fb4def48
[INFO] running `"docker" "start" "-a" "5488cc45a3141d819dbeaf34d8587a0999c97a8f7aa6ab1a430ffaa6fb4def48"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/binary_search_bench-7732eebc73cdedd6
[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]    Doc-tests binary_search_bench
[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" "5488cc45a3141d819dbeaf34d8587a0999c97a8f7aa6ab1a430ffaa6fb4def48"`
[INFO] running `"docker" "rm" "-f" "5488cc45a3141d819dbeaf34d8587a0999c97a8f7aa6ab1a430ffaa6fb4def48"`
[INFO] [stdout] 5488cc45a3141d819dbeaf34d8587a0999c97a8f7aa6ab1a430ffaa6fb4def48