[INFO] updating cached repository robert-wallis/rust-minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robert-wallis/rust-minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robert-wallis/rust-minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/robert-wallis/rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/robert-wallis/rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robert-wallis/rust-minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robert-wallis/rust-minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robert-wallis/rust-minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19650f1bab800c666ce01865156d35807dae5cac
[INFO] sha for GitHub repo robert-wallis/rust-minigrep: 19650f1bab800c666ce01865156d35807dae5cac
[INFO] validating manifest of robert-wallis/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 robert-wallis/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 robert-wallis/rust-minigrep
[INFO] finished frobbing robert-wallis/rust-minigrep
[INFO] frobbed toml for robert-wallis/rust-minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/robert-wallis/rust-minigrep/Cargo.toml
[INFO] started frobbing robert-wallis/rust-minigrep
[INFO] finished frobbing robert-wallis/rust-minigrep
[INFO] frobbed toml for robert-wallis/rust-minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robert-wallis/rust-minigrep/Cargo.toml
[INFO] crate robert-wallis/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 robert-wallis/rust-minigrep against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robert-wallis/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 777344b33e3ec1b215df0db8f4a3152502b5f00f5bc278784d563f7269a2f93a
[INFO] running `"docker" "start" "-a" "777344b33e3ec1b215df0db8f4a3152502b5f00f5bc278784d563f7269a2f93a"`
[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" "777344b33e3ec1b215df0db8f4a3152502b5f00f5bc278784d563f7269a2f93a"`
[INFO] running `"docker" "rm" "-f" "777344b33e3ec1b215df0db8f4a3152502b5f00f5bc278784d563f7269a2f93a"`
[INFO] [stdout] 777344b33e3ec1b215df0db8f4a3152502b5f00f5bc278784d563f7269a2f93a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robert-wallis/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8a3587e7a41666d3e95c31b705a618cf3ab36d70c792ee982cb4d77d41f4b958
[INFO] running `"docker" "start" "-a" "8a3587e7a41666d3e95c31b705a618cf3ab36d70c792ee982cb4d77d41f4b958"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "8a3587e7a41666d3e95c31b705a618cf3ab36d70c792ee982cb4d77d41f4b958"`
[INFO] running `"docker" "rm" "-f" "8a3587e7a41666d3e95c31b705a618cf3ab36d70c792ee982cb4d77d41f4b958"`
[INFO] [stdout] 8a3587e7a41666d3e95c31b705a618cf3ab36d70c792ee982cb4d77d41f4b958
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/robert-wallis/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6afe8e2b654ed1d34ca37533ca9cf830cec9df84dca26e98422825b7ec47b9bc
[INFO] running `"docker" "start" "-a" "6afe8e2b654ed1d34ca37533ca9cf830cec9df84dca26e98422825b7ec47b9bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-71f1d2ea303b99d3
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::search_params_one_arg ... ok
[INFO] [stdout] test tests::search_params_just_prog ... ok
[INFO] [stdout] test tests::search_params_args_case_sensitive ... ok
[INFO] [stdout] test tests::search_case_sensitive ... ok
[INFO] [stdout] test tests::search_one_result ... ok
[INFO] [stdout] test tests::search_params_three_args ... ok
[INFO] [stdout] test tests::search_params_zero_args ... ok
[INFO] [stdout] test tests::search_zero_results ... ok
[INFO] [stdout] test tests::search_params_two_args ... ok
[INFO] [stdout] test tests::search_two_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-ff2cfaeab7bc6a0d
[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] [stderr]    Doc-tests minigrep
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 4) ... 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" "6afe8e2b654ed1d34ca37533ca9cf830cec9df84dca26e98422825b7ec47b9bc"`
[INFO] running `"docker" "rm" "-f" "6afe8e2b654ed1d34ca37533ca9cf830cec9df84dca26e98422825b7ec47b9bc"`
[INFO] [stdout] 6afe8e2b654ed1d34ca37533ca9cf830cec9df84dca26e98422825b7ec47b9bc