[INFO] updating cached repository kolemannix/tokio-ring-bench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kolemannix/tokio-ring-bench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kolemannix/tokio-ring-bench" "work/ex/beta-1.38-1/sources/1.37.0/gh/kolemannix/tokio-ring-bench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kolemannix/tokio-ring-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kolemannix/tokio-ring-bench" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kolemannix/tokio-ring-bench"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kolemannix/tokio-ring-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b10956728d0c6334cc4f738320f401ac7fad7f0
[INFO] sha for GitHub repo kolemannix/tokio-ring-bench: 3b10956728d0c6334cc4f738320f401ac7fad7f0
[INFO] validating manifest of kolemannix/tokio-ring-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 kolemannix/tokio-ring-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 kolemannix/tokio-ring-bench
[INFO] finished frobbing kolemannix/tokio-ring-bench
[INFO] frobbed toml for kolemannix/tokio-ring-bench written to work/ex/beta-1.38-1/sources/1.37.0/gh/kolemannix/tokio-ring-bench/Cargo.toml
[INFO] started frobbing kolemannix/tokio-ring-bench
[INFO] finished frobbing kolemannix/tokio-ring-bench
[INFO] frobbed toml for kolemannix/tokio-ring-bench written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kolemannix/tokio-ring-bench/Cargo.toml
[INFO] crate kolemannix/tokio-ring-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 kolemannix/tokio-ring-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/kolemannix/tokio-ring-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] 8a3cdd8e942934afd3fa6b95713e3a86a6885406ce5bf3f1738f73cd20e4c440
[INFO] running `"docker" "start" "-a" "8a3cdd8e942934afd3fa6b95713e3a86a6885406ce5bf3f1738f73cd20e4c440"`
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling tokio-ring-bench v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.25s
[INFO] running `"docker" "inspect" "8a3cdd8e942934afd3fa6b95713e3a86a6885406ce5bf3f1738f73cd20e4c440"`
[INFO] running `"docker" "rm" "-f" "8a3cdd8e942934afd3fa6b95713e3a86a6885406ce5bf3f1738f73cd20e4c440"`
[INFO] [stdout] 8a3cdd8e942934afd3fa6b95713e3a86a6885406ce5bf3f1738f73cd20e4c440
[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/kolemannix/tokio-ring-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] 55227f1f4ad48ec53b1c8f70f428355054789d10439c8ee8f69a81f28ea08347
[INFO] running `"docker" "start" "-a" "55227f1f4ad48ec53b1c8f70f428355054789d10439c8ee8f69a81f28ea08347"`
[INFO] [stderr]    Compiling tokio-ring-bench v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "55227f1f4ad48ec53b1c8f70f428355054789d10439c8ee8f69a81f28ea08347"`
[INFO] running `"docker" "rm" "-f" "55227f1f4ad48ec53b1c8f70f428355054789d10439c8ee8f69a81f28ea08347"`
[INFO] [stdout] 55227f1f4ad48ec53b1c8f70f428355054789d10439c8ee8f69a81f28ea08347
[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/kolemannix/tokio-ring-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] d6fcc9f4df82aee437d5ebe788ef0dda8dd42eedff32a44e4e67fcc2c8f781b2
[INFO] running `"docker" "start" "-a" "d6fcc9f4df82aee437d5ebe788ef0dda8dd42eedff32a44e4e67fcc2c8f781b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_ring_bench-d94301414ec822a4
[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" "d6fcc9f4df82aee437d5ebe788ef0dda8dd42eedff32a44e4e67fcc2c8f781b2"`
[INFO] running `"docker" "rm" "-f" "d6fcc9f4df82aee437d5ebe788ef0dda8dd42eedff32a44e4e67fcc2c8f781b2"`
[INFO] [stdout] d6fcc9f4df82aee437d5ebe788ef0dda8dd42eedff32a44e4e67fcc2c8f781b2