[INFO] updating cached repository flugsio/optimal_ventti
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flugsio/optimal_ventti
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flugsio/optimal_ventti" "work/ex/beta-1.38-1/sources/1.37.0/gh/flugsio/optimal_ventti"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/flugsio/optimal_ventti'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flugsio/optimal_ventti" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flugsio/optimal_ventti"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flugsio/optimal_ventti'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbb69aa5763cbc6b7274e08881c5fc122bb415f9
[INFO] sha for GitHub repo flugsio/optimal_ventti: bbb69aa5763cbc6b7274e08881c5fc122bb415f9
[INFO] validating manifest of flugsio/optimal_ventti 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 flugsio/optimal_ventti 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 flugsio/optimal_ventti
[INFO] finished frobbing flugsio/optimal_ventti
[INFO] frobbed toml for flugsio/optimal_ventti written to work/ex/beta-1.38-1/sources/1.37.0/gh/flugsio/optimal_ventti/Cargo.toml
[INFO] started frobbing flugsio/optimal_ventti
[INFO] finished frobbing flugsio/optimal_ventti
[INFO] frobbed toml for flugsio/optimal_ventti written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/flugsio/optimal_ventti/Cargo.toml
[INFO] crate flugsio/optimal_ventti 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 flugsio/optimal_ventti 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-5/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/flugsio/optimal_ventti:/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] e300c9b07a54cda07d955cfd76ed2c2f345d5eabd962e9af4ce7b622a52e319d
[INFO] running `"docker" "start" "-a" "e300c9b07a54cda07d955cfd76ed2c2f345d5eabd962e9af4ce7b622a52e319d"`
[INFO] [stderr]    Compiling optimal_ventti v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "e300c9b07a54cda07d955cfd76ed2c2f345d5eabd962e9af4ce7b622a52e319d"`
[INFO] running `"docker" "rm" "-f" "e300c9b07a54cda07d955cfd76ed2c2f345d5eabd962e9af4ce7b622a52e319d"`
[INFO] [stdout] e300c9b07a54cda07d955cfd76ed2c2f345d5eabd962e9af4ce7b622a52e319d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/flugsio/optimal_ventti:/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] 237ec3e685334f77e693466c66bd2a9a3902a8d534b16d0b6fc923fb06211516
[INFO] running `"docker" "start" "-a" "237ec3e685334f77e693466c66bd2a9a3902a8d534b16d0b6fc923fb06211516"`
[INFO] [stderr]    Compiling optimal_ventti v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "237ec3e685334f77e693466c66bd2a9a3902a8d534b16d0b6fc923fb06211516"`
[INFO] running `"docker" "rm" "-f" "237ec3e685334f77e693466c66bd2a9a3902a8d534b16d0b6fc923fb06211516"`
[INFO] [stdout] 237ec3e685334f77e693466c66bd2a9a3902a8d534b16d0b6fc923fb06211516
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/flugsio/optimal_ventti:/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] 74fa60e124fec440a8e7637f790ee1cde004fade7d2e0d45f03a36a84550fc2a
[INFO] running `"docker" "start" "-a" "74fa60e124fec440a8e7637f790ee1cde004fade7d2e0d45f03a36a84550fc2a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/optimal_ventti-55f25ca3f47c9139
[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" "74fa60e124fec440a8e7637f790ee1cde004fade7d2e0d45f03a36a84550fc2a"`
[INFO] running `"docker" "rm" "-f" "74fa60e124fec440a8e7637f790ee1cde004fade7d2e0d45f03a36a84550fc2a"`
[INFO] [stdout] 74fa60e124fec440a8e7637f790ee1cde004fade7d2e0d45f03a36a84550fc2a