[INFO] updating cached repository levidyrek/rust-minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/levidyrek/rust-minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/levidyrek/rust-minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/levidyrek/rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/levidyrek/rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/levidyrek/rust-minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/levidyrek/rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/levidyrek/rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc21b33a29d57f8a6bc1ca6a6d2a4a887d55ab74
[INFO] sha for GitHub repo levidyrek/rust-minigrep: cc21b33a29d57f8a6bc1ca6a6d2a4a887d55ab74
[INFO] validating manifest of levidyrek/rust-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 levidyrek/rust-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 levidyrek/rust-minigrep
[INFO] finished frobbing levidyrek/rust-minigrep
[INFO] frobbed toml for levidyrek/rust-minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/levidyrek/rust-minigrep/Cargo.toml
[INFO] started frobbing levidyrek/rust-minigrep
[INFO] finished frobbing levidyrek/rust-minigrep
[INFO] frobbed toml for levidyrek/rust-minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/levidyrek/rust-minigrep/Cargo.toml
[INFO] crate levidyrek/rust-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 levidyrek/rust-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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/levidyrek/rust-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] cc3759014f2ff79397af607d9a0f0debd9320bbb7a8f6f45e8acbc4a4eb230e5
[INFO] running `"docker" "start" "-a" "cc3759014f2ff79397af607d9a0f0debd9320bbb7a8f6f45e8acbc4a4eb230e5"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "cc3759014f2ff79397af607d9a0f0debd9320bbb7a8f6f45e8acbc4a4eb230e5"`
[INFO] running `"docker" "rm" "-f" "cc3759014f2ff79397af607d9a0f0debd9320bbb7a8f6f45e8acbc4a4eb230e5"`
[INFO] [stdout] cc3759014f2ff79397af607d9a0f0debd9320bbb7a8f6f45e8acbc4a4eb230e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/levidyrek/rust-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] 6ab7546fbc5023027bc0fe8ecd5213d067afe786782a3559b14ef8ba3afd4408
[INFO] running `"docker" "start" "-a" "6ab7546fbc5023027bc0fe8ecd5213d067afe786782a3559b14ef8ba3afd4408"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "6ab7546fbc5023027bc0fe8ecd5213d067afe786782a3559b14ef8ba3afd4408"`
[INFO] running `"docker" "rm" "-f" "6ab7546fbc5023027bc0fe8ecd5213d067afe786782a3559b14ef8ba3afd4408"`
[INFO] [stdout] 6ab7546fbc5023027bc0fe8ecd5213d067afe786782a3559b14ef8ba3afd4408
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/levidyrek/rust-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] 2cd84c1f606bc4a2f0a867902c866fa3d1d500b3d3e91258e65bf24f63cec15a
[INFO] running `"docker" "start" "-a" "2cd84c1f606bc4a2f0a867902c866fa3d1d500b3d3e91258e65bf24f63cec15a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-f788900508bc8193
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] test tests::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-2526d647343947d2
[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" "2cd84c1f606bc4a2f0a867902c866fa3d1d500b3d3e91258e65bf24f63cec15a"`
[INFO] running `"docker" "rm" "-f" "2cd84c1f606bc4a2f0a867902c866fa3d1d500b3d3e91258e65bf24f63cec15a"`
[INFO] [stdout] 2cd84c1f606bc4a2f0a867902c866fa3d1d500b3d3e91258e65bf24f63cec15a