[INFO] updating cached repository knknkn1162/minigrep_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/knknkn1162/minigrep_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/minigrep_test" "work/ex/beta-1.37-6/sources/1.36.0/gh/knknkn1162/minigrep_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/knknkn1162/minigrep_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/minigrep_test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/knknkn1162/minigrep_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/knknkn1162/minigrep_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 356bcdcd29ed0697af8f2ab4f34cd39301e0d0dc
[INFO] sha for GitHub repo knknkn1162/minigrep_test: 356bcdcd29ed0697af8f2ab4f34cd39301e0d0dc
[INFO] validating manifest of knknkn1162/minigrep_test 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 knknkn1162/minigrep_test 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 knknkn1162/minigrep_test
[INFO] finished frobbing knknkn1162/minigrep_test
[INFO] frobbed toml for knknkn1162/minigrep_test written to work/ex/beta-1.37-6/sources/1.36.0/gh/knknkn1162/minigrep_test/Cargo.toml
[INFO] started frobbing knknkn1162/minigrep_test
[INFO] finished frobbing knknkn1162/minigrep_test
[INFO] frobbed toml for knknkn1162/minigrep_test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/knknkn1162/minigrep_test/Cargo.toml
[INFO] crate knknkn1162/minigrep_test 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing knknkn1162/minigrep_test against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/knknkn1162/minigrep_test:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d82555df16b6a2a56a2731a4b4683f35970331794be8c3e7495fc2d279be25b7
[INFO] running `"docker" "start" "-a" "d82555df16b6a2a56a2731a4b4683f35970331794be8c3e7495fc2d279be25b7"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:6:46
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn run(config: Config) -> Result<(), Box<Error>>{
[INFO] [stderr]   |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     search(&config.query, &contents, !config.case_sensitive).into_iter()
[INFO] [stderr] 14 | |         .inspect(|&line| println!("{}", line)).collect::<Vec<_>>();
[INFO] [stderr]    | |___________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "d82555df16b6a2a56a2731a4b4683f35970331794be8c3e7495fc2d279be25b7"`
[INFO] running `"docker" "rm" "-f" "d82555df16b6a2a56a2731a4b4683f35970331794be8c3e7495fc2d279be25b7"`
[INFO] [stdout] d82555df16b6a2a56a2731a4b4683f35970331794be8c3e7495fc2d279be25b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/knknkn1162/minigrep_test:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f201fa5d366d706c2a974ef69a4979d64c84eb56e60b2549d087c9fba743c8bb
[INFO] running `"docker" "start" "-a" "f201fa5d366d706c2a974ef69a4979d64c84eb56e60b2549d087c9fba743c8bb"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:6:46
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn run(config: Config) -> Result<(), Box<Error>>{
[INFO] [stderr]   |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     search(&config.query, &contents, !config.case_sensitive).into_iter()
[INFO] [stderr] 14 | |         .inspect(|&line| println!("{}", line)).collect::<Vec<_>>();
[INFO] [stderr]    | |___________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "f201fa5d366d706c2a974ef69a4979d64c84eb56e60b2549d087c9fba743c8bb"`
[INFO] running `"docker" "rm" "-f" "f201fa5d366d706c2a974ef69a4979d64c84eb56e60b2549d087c9fba743c8bb"`
[INFO] [stdout] f201fa5d366d706c2a974ef69a4979d64c84eb56e60b2549d087c9fba743c8bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/knknkn1162/minigrep_test:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 881c7ab5dfa24139c80add9cc152c6c0b24e1960ea34cecbdf8268e341d8e4e6
[INFO] running `"docker" "start" "-a" "881c7ab5dfa24139c80add9cc152c6c0b24e1960ea34cecbdf8268e341d8e4e6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-b46b2ee1244c7ce8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::one_result ... ok
[INFO] [stdout] test test::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-6ed64f0fca6cec40
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests minigrep
[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" "881c7ab5dfa24139c80add9cc152c6c0b24e1960ea34cecbdf8268e341d8e4e6"`
[INFO] running `"docker" "rm" "-f" "881c7ab5dfa24139c80add9cc152c6c0b24e1960ea34cecbdf8268e341d8e4e6"`
[INFO] [stdout] 881c7ab5dfa24139c80add9cc152c6c0b24e1960ea34cecbdf8268e341d8e4e6