[INFO] updating cached repository 27factorial/rust-book-minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/27factorial/rust-book-minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/27factorial/rust-book-minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/27factorial/rust-book-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/27factorial/rust-book-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/27factorial/rust-book-minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/27factorial/rust-book-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/27factorial/rust-book-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c4e7eb25b2ba1074aa87129d051adf43471b958
[INFO] sha for GitHub repo 27factorial/rust-book-minigrep: 3c4e7eb25b2ba1074aa87129d051adf43471b958
[INFO] validating manifest of 27factorial/rust-book-minigrep 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 27factorial/rust-book-minigrep 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 27factorial/rust-book-minigrep
[INFO] finished frobbing 27factorial/rust-book-minigrep
[INFO] frobbed toml for 27factorial/rust-book-minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/27factorial/rust-book-minigrep/Cargo.toml
[INFO] started frobbing 27factorial/rust-book-minigrep
[INFO] finished frobbing 27factorial/rust-book-minigrep
[INFO] frobbed toml for 27factorial/rust-book-minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/27factorial/rust-book-minigrep/Cargo.toml
[INFO] crate 27factorial/rust-book-minigrep 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 27factorial/rust-book-minigrep 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/27factorial/rust-book-minigrep:/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] 3067575888fdf8e98f59ae1355483d82904eba7d060020e4f4032e939748ceb3
[INFO] running `"docker" "start" "-a" "3067575888fdf8e98f59ae1355483d82904eba7d060020e4f4032e939748ceb3"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "3067575888fdf8e98f59ae1355483d82904eba7d060020e4f4032e939748ceb3"`
[INFO] running `"docker" "rm" "-f" "3067575888fdf8e98f59ae1355483d82904eba7d060020e4f4032e939748ceb3"`
[INFO] [stdout] 3067575888fdf8e98f59ae1355483d82904eba7d060020e4f4032e939748ceb3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/27factorial/rust-book-minigrep:/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] 2ed11dac133125da98ed907b45e6b690cad0e94e9eb959b0a26b4b388ae29f05
[INFO] running `"docker" "start" "-a" "2ed11dac133125da98ed907b45e6b690cad0e94e9eb959b0a26b4b388ae29f05"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "2ed11dac133125da98ed907b45e6b690cad0e94e9eb959b0a26b4b388ae29f05"`
[INFO] running `"docker" "rm" "-f" "2ed11dac133125da98ed907b45e6b690cad0e94e9eb959b0a26b4b388ae29f05"`
[INFO] [stdout] 2ed11dac133125da98ed907b45e6b690cad0e94e9eb959b0a26b4b388ae29f05
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/27factorial/rust-book-minigrep:/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] c1d488b601190d73bbf46d91ecf4f90ea5cdac634abbe00f95a435c5c4378839
[INFO] running `"docker" "start" "-a" "c1d488b601190d73bbf46d91ecf4f90ea5cdac634abbe00f95a435c5c4378839"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-f788900508bc8193
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-2526d647343947d2
[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] [stderr]    Doc-tests minigrep
[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" "c1d488b601190d73bbf46d91ecf4f90ea5cdac634abbe00f95a435c5c4378839"`
[INFO] running `"docker" "rm" "-f" "c1d488b601190d73bbf46d91ecf4f90ea5cdac634abbe00f95a435c5c4378839"`
[INFO] [stdout] c1d488b601190d73bbf46d91ecf4f90ea5cdac634abbe00f95a435c5c4378839