[INFO] updating cached repository JamesOwenHall/rust_arithmetic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JamesOwenHall/rust_arithmetic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JamesOwenHall/rust_arithmetic" "work/ex/beta-1.38-1/sources/1.37.0/gh/JamesOwenHall/rust_arithmetic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JamesOwenHall/rust_arithmetic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JamesOwenHall/rust_arithmetic" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JamesOwenHall/rust_arithmetic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JamesOwenHall/rust_arithmetic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a0e98a48c2a3c5e748262292ae835df18a9a1e9
[INFO] sha for GitHub repo JamesOwenHall/rust_arithmetic: 6a0e98a48c2a3c5e748262292ae835df18a9a1e9
[INFO] validating manifest of JamesOwenHall/rust_arithmetic 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 JamesOwenHall/rust_arithmetic 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 JamesOwenHall/rust_arithmetic
[INFO] finished frobbing JamesOwenHall/rust_arithmetic
[INFO] frobbed toml for JamesOwenHall/rust_arithmetic written to work/ex/beta-1.38-1/sources/1.37.0/gh/JamesOwenHall/rust_arithmetic/Cargo.toml
[INFO] started frobbing JamesOwenHall/rust_arithmetic
[INFO] finished frobbing JamesOwenHall/rust_arithmetic
[INFO] frobbed toml for JamesOwenHall/rust_arithmetic written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JamesOwenHall/rust_arithmetic/Cargo.toml
[INFO] crate JamesOwenHall/rust_arithmetic 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 JamesOwenHall/rust_arithmetic 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JamesOwenHall/rust_arithmetic:/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] 6ad4118e0eb9ec10cd77ec8074a73b87c5f3f84e82944ba7f44048a48c2058bb
[INFO] running `"docker" "start" "-a" "6ad4118e0eb9ec10cd77ec8074a73b87c5f3f84e82944ba7f44048a48c2058bb"`
[INFO] [stderr]    Compiling rust_arithmetic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "6ad4118e0eb9ec10cd77ec8074a73b87c5f3f84e82944ba7f44048a48c2058bb"`
[INFO] running `"docker" "rm" "-f" "6ad4118e0eb9ec10cd77ec8074a73b87c5f3f84e82944ba7f44048a48c2058bb"`
[INFO] [stdout] 6ad4118e0eb9ec10cd77ec8074a73b87c5f3f84e82944ba7f44048a48c2058bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JamesOwenHall/rust_arithmetic:/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] a6e864188daf502b752a675ea9636f0c7eefba4218d617c48f513c8c9fbb30d1
[INFO] running `"docker" "start" "-a" "a6e864188daf502b752a675ea9636f0c7eefba4218d617c48f513c8c9fbb30d1"`
[INFO] [stderr]    Compiling rust_arithmetic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "a6e864188daf502b752a675ea9636f0c7eefba4218d617c48f513c8c9fbb30d1"`
[INFO] running `"docker" "rm" "-f" "a6e864188daf502b752a675ea9636f0c7eefba4218d617c48f513c8c9fbb30d1"`
[INFO] [stdout] a6e864188daf502b752a675ea9636f0c7eefba4218d617c48f513c8c9fbb30d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JamesOwenHall/rust_arithmetic:/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] aff77f30afe911e75add7baea05f3acdc8f8219e3260277661cb836a95027be3
[INFO] running `"docker" "start" "-a" "aff77f30afe911e75add7baea05f3acdc8f8219e3260277661cb836a95027be3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_arithmetic-83dc5e0a97aa9128
[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" "aff77f30afe911e75add7baea05f3acdc8f8219e3260277661cb836a95027be3"`
[INFO] running `"docker" "rm" "-f" "aff77f30afe911e75add7baea05f3acdc8f8219e3260277661cb836a95027be3"`
[INFO] [stdout] aff77f30afe911e75add7baea05f3acdc8f8219e3260277661cb836a95027be3