[INFO] updating cached repository rom1v/mio-sample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rom1v/mio-sample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rom1v/mio-sample" "work/ex/beta-1.38-1/sources/1.37.0/gh/rom1v/mio-sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rom1v/mio-sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rom1v/mio-sample" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rom1v/mio-sample"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rom1v/mio-sample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c376d02aabe35bd38e2a653d98dc6b1d67c87141
[INFO] sha for GitHub repo rom1v/mio-sample: c376d02aabe35bd38e2a653d98dc6b1d67c87141
[INFO] validating manifest of rom1v/mio-sample 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 rom1v/mio-sample 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 rom1v/mio-sample
[INFO] finished frobbing rom1v/mio-sample
[INFO] frobbed toml for rom1v/mio-sample written to work/ex/beta-1.38-1/sources/1.37.0/gh/rom1v/mio-sample/Cargo.toml
[INFO] started frobbing rom1v/mio-sample
[INFO] finished frobbing rom1v/mio-sample
[INFO] frobbed toml for rom1v/mio-sample written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rom1v/mio-sample/Cargo.toml
[INFO] crate rom1v/mio-sample 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 rom1v/mio-sample against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rom1v/mio-sample:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7f4b9fa75c19d78b1ecaaeb2772aa0abd164dbddff264aa3caddeb80806b6c8e
[INFO] running `"docker" "start" "-a" "7f4b9fa75c19d78b1ecaaeb2772aa0abd164dbddff264aa3caddeb80806b6c8e"`
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling mio v0.6.9
[INFO] [stderr]    Compiling mio-sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `"docker" "inspect" "7f4b9fa75c19d78b1ecaaeb2772aa0abd164dbddff264aa3caddeb80806b6c8e"`
[INFO] running `"docker" "rm" "-f" "7f4b9fa75c19d78b1ecaaeb2772aa0abd164dbddff264aa3caddeb80806b6c8e"`
[INFO] [stdout] 7f4b9fa75c19d78b1ecaaeb2772aa0abd164dbddff264aa3caddeb80806b6c8e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rom1v/mio-sample:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b116de3140bae430c96181113036b37a02343d9f02d5c0bbfdfbcc3d3253a24b
[INFO] running `"docker" "start" "-a" "b116de3140bae430c96181113036b37a02343d9f02d5c0bbfdfbcc3d3253a24b"`
[INFO] [stderr]    Compiling mio-sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "b116de3140bae430c96181113036b37a02343d9f02d5c0bbfdfbcc3d3253a24b"`
[INFO] running `"docker" "rm" "-f" "b116de3140bae430c96181113036b37a02343d9f02d5c0bbfdfbcc3d3253a24b"`
[INFO] [stdout] b116de3140bae430c96181113036b37a02343d9f02d5c0bbfdfbcc3d3253a24b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rom1v/mio-sample:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d673e372bf346f0f733c332998ae8c621747e945eaf42333dae3dff765bff077
[INFO] running `"docker" "start" "-a" "d673e372bf346f0f733c332998ae8c621747e945eaf42333dae3dff765bff077"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mio_sample-b7867e8c4fd63aad
[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" "d673e372bf346f0f733c332998ae8c621747e945eaf42333dae3dff765bff077"`
[INFO] running `"docker" "rm" "-f" "d673e372bf346f0f733c332998ae8c621747e945eaf42333dae3dff765bff077"`
[INFO] [stdout] d673e372bf346f0f733c332998ae8c621747e945eaf42333dae3dff765bff077