[INFO] updating cached repository huwb/myrustminigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huwb/myrustminigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huwb/myrustminigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/huwb/myrustminigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/huwb/myrustminigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huwb/myrustminigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huwb/myrustminigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huwb/myrustminigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c1b61fc8042a85ae7272913279012e255137aa4
[INFO] sha for GitHub repo huwb/myrustminigrep: 2c1b61fc8042a85ae7272913279012e255137aa4
[INFO] validating manifest of huwb/myrustminigrep 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 huwb/myrustminigrep 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 huwb/myrustminigrep
[INFO] finished frobbing huwb/myrustminigrep
[INFO] frobbed toml for huwb/myrustminigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/huwb/myrustminigrep/Cargo.toml
[INFO] started frobbing huwb/myrustminigrep
[INFO] finished frobbing huwb/myrustminigrep
[INFO] frobbed toml for huwb/myrustminigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/huwb/myrustminigrep/Cargo.toml
[INFO] crate huwb/myrustminigrep 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 huwb/myrustminigrep 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/huwb/myrustminigrep:/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] ca58430eef8807be09daf5aa291ed4c693ccb833a2ceeecf5c8ca6a5a5f46bbb
[INFO] running `"docker" "start" "-a" "ca58430eef8807be09daf5aa291ed4c693ccb833a2ceeecf5c8ca6a5a5f46bbb"`
[INFO] [stderr]    Compiling myrustminigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:55
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn run(config: &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]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "ca58430eef8807be09daf5aa291ed4c693ccb833a2ceeecf5c8ca6a5a5f46bbb"`
[INFO] running `"docker" "rm" "-f" "ca58430eef8807be09daf5aa291ed4c693ccb833a2ceeecf5c8ca6a5a5f46bbb"`
[INFO] [stdout] ca58430eef8807be09daf5aa291ed4c693ccb833a2ceeecf5c8ca6a5a5f46bbb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/huwb/myrustminigrep:/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] 0a79b0f83a5769b694489321bafba98da60913492a9151941b75ebcb5f68eb6b
[INFO] running `"docker" "start" "-a" "0a79b0f83a5769b694489321bafba98da60913492a9151941b75ebcb5f68eb6b"`
[INFO] [stderr]    Compiling myrustminigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:55
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn run(config: &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]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "0a79b0f83a5769b694489321bafba98da60913492a9151941b75ebcb5f68eb6b"`
[INFO] running `"docker" "rm" "-f" "0a79b0f83a5769b694489321bafba98da60913492a9151941b75ebcb5f68eb6b"`
[INFO] [stdout] 0a79b0f83a5769b694489321bafba98da60913492a9151941b75ebcb5f68eb6b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/huwb/myrustminigrep:/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] c25633ef7e3c3c9827d4ccc1a41b82a7cc15a04470ace39925cfe24d155f046d
[INFO] running `"docker" "start" "-a" "c25633ef7e3c3c9827d4ccc1a41b82a7cc15a04470ace39925cfe24d155f046d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/myrustminigrep-00de620957d7cfca
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::two_results ... ok
[INFO] [stdout] test tests::no_matches ... ok
[INFO] [stdout] test tests::no_matches_empty_content ... ok
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] test config::tests::test_grab_args_none ... ok
[INFO] [stdout] test config::tests::test_grab_args_insufficient ... ok
[INFO] [stdout] test config::tests::test_grab_args_too_many ... ok
[INFO] [stdout] test tests::empty_query_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/myrustminigrep-39cbb0c3548f03df
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_tests-73dc28b719a2d671
[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 1 test
[INFO] [stdout] test missing_file ... ok
[INFO] [stderr]    Doc-tests myrustminigrep
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/config.rs - config::Config::new (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c25633ef7e3c3c9827d4ccc1a41b82a7cc15a04470ace39925cfe24d155f046d"`
[INFO] running `"docker" "rm" "-f" "c25633ef7e3c3c9827d4ccc1a41b82a7cc15a04470ace39925cfe24d155f046d"`
[INFO] [stdout] c25633ef7e3c3c9827d4ccc1a41b82a7cc15a04470ace39925cfe24d155f046d