[INFO] updating cached repository jmlb23/mini-grep-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmlb23/mini-grep-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmlb23/mini-grep-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/jmlb23/mini-grep-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jmlb23/mini-grep-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmlb23/mini-grep-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmlb23/mini-grep-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmlb23/mini-grep-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1e4e78646684b5caa230a7575a5c4e302f147f6
[INFO] sha for GitHub repo jmlb23/mini-grep-rust: d1e4e78646684b5caa230a7575a5c4e302f147f6
[INFO] validating manifest of jmlb23/mini-grep-rust 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 jmlb23/mini-grep-rust 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 jmlb23/mini-grep-rust
[INFO] finished frobbing jmlb23/mini-grep-rust
[INFO] frobbed toml for jmlb23/mini-grep-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/jmlb23/mini-grep-rust/Cargo.toml
[INFO] started frobbing jmlb23/mini-grep-rust
[INFO] finished frobbing jmlb23/mini-grep-rust
[INFO] frobbed toml for jmlb23/mini-grep-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmlb23/mini-grep-rust/Cargo.toml
[INFO] crate jmlb23/mini-grep-rust 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 jmlb23/mini-grep-rust 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/jmlb23/mini-grep-rust:/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] 1ff465031bab9d16291c0ec5e63b81ec93ca259b86dafd19142e90a1a7760593
[INFO] running `"docker" "start" "-a" "1ff465031bab9d16291c0ec5e63b81ec93ca259b86dafd19142e90a1a7760593"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `"docker" "inspect" "1ff465031bab9d16291c0ec5e63b81ec93ca259b86dafd19142e90a1a7760593"`
[INFO] running `"docker" "rm" "-f" "1ff465031bab9d16291c0ec5e63b81ec93ca259b86dafd19142e90a1a7760593"`
[INFO] [stdout] 1ff465031bab9d16291c0ec5e63b81ec93ca259b86dafd19142e90a1a7760593
[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/jmlb23/mini-grep-rust:/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] 90e9e8c51ff3d95e18ffe39357d7aa78cf94e89f155b175a909a6959f635d2cf
[INFO] running `"docker" "start" "-a" "90e9e8c51ff3d95e18ffe39357d7aa78cf94e89f155b175a909a6959f635d2cf"`
[INFO] [stderr]    Compiling grep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "90e9e8c51ff3d95e18ffe39357d7aa78cf94e89f155b175a909a6959f635d2cf"`
[INFO] running `"docker" "rm" "-f" "90e9e8c51ff3d95e18ffe39357d7aa78cf94e89f155b175a909a6959f635d2cf"`
[INFO] [stdout] 90e9e8c51ff3d95e18ffe39357d7aa78cf94e89f155b175a909a6959f635d2cf
[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/jmlb23/mini-grep-rust:/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] fa714229609c35e7d2a20e7d8edf27390d73779e00a537942f314d57faa09131
[INFO] running `"docker" "start" "-a" "fa714229609c35e7d2a20e7d8edf27390d73779e00a537942f314d57faa09131"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/grep-50b2f7126f90d93e
[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" "fa714229609c35e7d2a20e7d8edf27390d73779e00a537942f314d57faa09131"`
[INFO] running `"docker" "rm" "-f" "fa714229609c35e7d2a20e7d8edf27390d73779e00a537942f314d57faa09131"`
[INFO] [stdout] fa714229609c35e7d2a20e7d8edf27390d73779e00a537942f314d57faa09131