[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-1.37-6/sources/1.36.0/gh/nicolomaioli/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nicolomaioli/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nicolomaioli/minigrep" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicolomaioli/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nicolomaioli/minigrep on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nicolomaioli/minigrep against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 58c574d11914a01a2dc9d237fe65fd07a8c89a827a188453e00388a96789c611
[INFO] running `"docker" "start" "-a" "58c574d11914a01a2dc9d237fe65fd07a8c89a827a188453e00388a96789c611"`
[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 1.37s
[INFO] running `"docker" "inspect" "58c574d11914a01a2dc9d237fe65fd07a8c89a827a188453e00388a96789c611"`
[INFO] running `"docker" "rm" "-f" "58c574d11914a01a2dc9d237fe65fd07a8c89a827a188453e00388a96789c611"`
[INFO] [stdout] 58c574d11914a01a2dc9d237fe65fd07a8c89a827a188453e00388a96789c611
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d0dffc8711eb2f486105d68b5517a53729c1189964a09089a1bc01252a42545
[INFO] running `"docker" "start" "-a" "4d0dffc8711eb2f486105d68b5517a53729c1189964a09089a1bc01252a42545"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "4d0dffc8711eb2f486105d68b5517a53729c1189964a09089a1bc01252a42545"`
[INFO] running `"docker" "rm" "-f" "4d0dffc8711eb2f486105d68b5517a53729c1189964a09089a1bc01252a42545"`
[INFO] [stdout] 4d0dffc8711eb2f486105d68b5517a53729c1189964a09089a1bc01252a42545
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b2b61b377cd9b270acf58e50a59f2de4a39cd17ca9f4373eb2ad21dc4825e2b6
[INFO] running `"docker" "start" "-a" "b2b61b377cd9b270acf58e50a59f2de4a39cd17ca9f4373eb2ad21dc4825e2b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-ff177ee8f5f85702
[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_returns_multiple_results ... ok
[INFO] [stdout] test tests::test_search_case_insensitive ... 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-fcb5693f8a7546cf
[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] [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" "b2b61b377cd9b270acf58e50a59f2de4a39cd17ca9f4373eb2ad21dc4825e2b6"`
[INFO] running `"docker" "rm" "-f" "b2b61b377cd9b270acf58e50a59f2de4a39cd17ca9f4373eb2ad21dc4825e2b6"`
[INFO] [stdout] b2b61b377cd9b270acf58e50a59f2de4a39cd17ca9f4373eb2ad21dc4825e2b6