[INFO] updating cached repository LittleBigProgramming/Rust-Mini-Grep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LittleBigProgramming/Rust-Mini-Grep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LittleBigProgramming/Rust-Mini-Grep" "work/ex/beta-1.38-1/sources/1.37.0/gh/LittleBigProgramming/Rust-Mini-Grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LittleBigProgramming/Rust-Mini-Grep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LittleBigProgramming/Rust-Mini-Grep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LittleBigProgramming/Rust-Mini-Grep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LittleBigProgramming/Rust-Mini-Grep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7279895f6dd7f439844f5983adb4ade6f523948
[INFO] sha for GitHub repo LittleBigProgramming/Rust-Mini-Grep: a7279895f6dd7f439844f5983adb4ade6f523948
[INFO] validating manifest of LittleBigProgramming/Rust-Mini-Grep 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 LittleBigProgramming/Rust-Mini-Grep 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 LittleBigProgramming/Rust-Mini-Grep
[INFO] finished frobbing LittleBigProgramming/Rust-Mini-Grep
[INFO] frobbed toml for LittleBigProgramming/Rust-Mini-Grep written to work/ex/beta-1.38-1/sources/1.37.0/gh/LittleBigProgramming/Rust-Mini-Grep/Cargo.toml
[INFO] started frobbing LittleBigProgramming/Rust-Mini-Grep
[INFO] finished frobbing LittleBigProgramming/Rust-Mini-Grep
[INFO] frobbed toml for LittleBigProgramming/Rust-Mini-Grep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LittleBigProgramming/Rust-Mini-Grep/Cargo.toml
[INFO] crate LittleBigProgramming/Rust-Mini-Grep 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 LittleBigProgramming/Rust-Mini-Grep 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LittleBigProgramming/Rust-Mini-Grep:/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] 82f55f5e51d69e4d7702e0791ba38c05ec6d4e45c148bce8e483781aa44c4235
[INFO] running `"docker" "start" "-a" "82f55f5e51d69e4d7702e0791ba38c05ec6d4e45c148bce8e483781aa44c4235"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "82f55f5e51d69e4d7702e0791ba38c05ec6d4e45c148bce8e483781aa44c4235"`
[INFO] running `"docker" "rm" "-f" "82f55f5e51d69e4d7702e0791ba38c05ec6d4e45c148bce8e483781aa44c4235"`
[INFO] [stdout] 82f55f5e51d69e4d7702e0791ba38c05ec6d4e45c148bce8e483781aa44c4235
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LittleBigProgramming/Rust-Mini-Grep:/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] eb261383438707dbf9da54e3983f26366f77b2da9d4507590e62a7db301fa65d
[INFO] running `"docker" "start" "-a" "eb261383438707dbf9da54e3983f26366f77b2da9d4507590e62a7db301fa65d"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "eb261383438707dbf9da54e3983f26366f77b2da9d4507590e62a7db301fa65d"`
[INFO] running `"docker" "rm" "-f" "eb261383438707dbf9da54e3983f26366f77b2da9d4507590e62a7db301fa65d"`
[INFO] [stdout] eb261383438707dbf9da54e3983f26366f77b2da9d4507590e62a7db301fa65d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LittleBigProgramming/Rust-Mini-Grep:/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] 8fc2b707be941215669b02c39b23641fa35a78f122c4de64fac2dcf7c4952380
[INFO] running `"docker" "start" "-a" "8fc2b707be941215669b02c39b23641fa35a78f122c4de64fac2dcf7c4952380"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-f788900508bc8193
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-2526d647343947d2
[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" "8fc2b707be941215669b02c39b23641fa35a78f122c4de64fac2dcf7c4952380"`
[INFO] running `"docker" "rm" "-f" "8fc2b707be941215669b02c39b23641fa35a78f122c4de64fac2dcf7c4952380"`
[INFO] [stdout] 8fc2b707be941215669b02c39b23641fa35a78f122c4de64fac2dcf7c4952380