[INFO] updating cached repository nicolomaioli/minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nicolomaioli/minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nicolomaioli/minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/nicolomaioli/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nicolomaioli/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nicolomaioli/minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nicolomaioli/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nicolomaioli/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bdc5802290c85d312b32a5051920ef9811a13d94
[INFO] sha for GitHub repo nicolomaioli/minigrep: bdc5802290c85d312b32a5051920ef9811a13d94
[INFO] validating manifest of nicolomaioli/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 nicolomaioli/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 nicolomaioli/minigrep
[INFO] finished frobbing nicolomaioli/minigrep
[INFO] frobbed toml for nicolomaioli/minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/nicolomaioli/minigrep/Cargo.toml
[INFO] started frobbing nicolomaioli/minigrep
[INFO] finished frobbing nicolomaioli/minigrep
[INFO] frobbed toml for nicolomaioli/minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nicolomaioli/minigrep/Cargo.toml
[INFO] crate nicolomaioli/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 nicolomaioli/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nicolomaioli/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] 26de28f20609a09bfefe4da89266e6a79bc5fcab746bbb822b09fa1831053e37
[INFO] running `"docker" "start" "-a" "26de28f20609a09bfefe4da89266e6a79bc5fcab746bbb822b09fa1831053e37"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `search_case_insensitive`
[INFO] [stderr]   --> src/lib.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn search_case_insensitive<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "26de28f20609a09bfefe4da89266e6a79bc5fcab746bbb822b09fa1831053e37"`
[INFO] running `"docker" "rm" "-f" "26de28f20609a09bfefe4da89266e6a79bc5fcab746bbb822b09fa1831053e37"`
[INFO] [stdout] 26de28f20609a09bfefe4da89266e6a79bc5fcab746bbb822b09fa1831053e37
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nicolomaioli/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] e33309ee8f7cfe096a1cd6e99b03793b36549aca8b11354d9684dea0809189eb
[INFO] running `"docker" "start" "-a" "e33309ee8f7cfe096a1cd6e99b03793b36549aca8b11354d9684dea0809189eb"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "e33309ee8f7cfe096a1cd6e99b03793b36549aca8b11354d9684dea0809189eb"`
[INFO] running `"docker" "rm" "-f" "e33309ee8f7cfe096a1cd6e99b03793b36549aca8b11354d9684dea0809189eb"`
[INFO] [stdout] e33309ee8f7cfe096a1cd6e99b03793b36549aca8b11354d9684dea0809189eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nicolomaioli/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] 3bf24f33f8c86c771282e7a949f7e85bbf9705b237e2a602827d1a937188ac53
[INFO] running `"docker" "start" "-a" "3bf24f33f8c86c771282e7a949f7e85bbf9705b237e2a602827d1a937188ac53"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-f788900508bc8193
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_search_returns_one_result ... ok
[INFO] [stdout] test tests::test_search_returns_no_result ... ok
[INFO] [stdout] test tests::test_search_case_insensitive ... ok
[INFO] [stdout] test tests::test_search_returns_multiple_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "3bf24f33f8c86c771282e7a949f7e85bbf9705b237e2a602827d1a937188ac53"`
[INFO] running `"docker" "rm" "-f" "3bf24f33f8c86c771282e7a949f7e85bbf9705b237e2a602827d1a937188ac53"`
[INFO] [stdout] 3bf24f33f8c86c771282e7a949f7e85bbf9705b237e2a602827d1a937188ac53