[INFO] updating cached repository aconstantinou123/rust_grep_tool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aconstantinou123/rust_grep_tool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aconstantinou123/rust_grep_tool" "work/ex/beta-1.38-1/sources/1.37.0/gh/aconstantinou123/rust_grep_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aconstantinou123/rust_grep_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aconstantinou123/rust_grep_tool" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aconstantinou123/rust_grep_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aconstantinou123/rust_grep_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67a12f5688350b47238714dd44a1533d9616874b
[INFO] sha for GitHub repo aconstantinou123/rust_grep_tool: 67a12f5688350b47238714dd44a1533d9616874b
[INFO] validating manifest of aconstantinou123/rust_grep_tool 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 aconstantinou123/rust_grep_tool 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 aconstantinou123/rust_grep_tool
[INFO] finished frobbing aconstantinou123/rust_grep_tool
[INFO] frobbed toml for aconstantinou123/rust_grep_tool written to work/ex/beta-1.38-1/sources/1.37.0/gh/aconstantinou123/rust_grep_tool/Cargo.toml
[INFO] started frobbing aconstantinou123/rust_grep_tool
[INFO] finished frobbing aconstantinou123/rust_grep_tool
[INFO] frobbed toml for aconstantinou123/rust_grep_tool written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aconstantinou123/rust_grep_tool/Cargo.toml
[INFO] crate aconstantinou123/rust_grep_tool 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 aconstantinou123/rust_grep_tool 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-5/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/aconstantinou123/rust_grep_tool:/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] f9357f6ac349ebd5dacc72b1a165fc1c3b52d6dbc4ceaa64ec7b0172736622a6
[INFO] running `"docker" "start" "-a" "f9357f6ac349ebd5dacc72b1a165fc1c3b52d6dbc4ceaa64ec7b0172736622a6"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "f9357f6ac349ebd5dacc72b1a165fc1c3b52d6dbc4ceaa64ec7b0172736622a6"`
[INFO] running `"docker" "rm" "-f" "f9357f6ac349ebd5dacc72b1a165fc1c3b52d6dbc4ceaa64ec7b0172736622a6"`
[INFO] [stdout] f9357f6ac349ebd5dacc72b1a165fc1c3b52d6dbc4ceaa64ec7b0172736622a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/aconstantinou123/rust_grep_tool:/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] 1ffe59a7fed152dfead23810d770348aa8365e547af329fb342f151a7dc23a7f
[INFO] running `"docker" "start" "-a" "1ffe59a7fed152dfead23810d770348aa8365e547af329fb342f151a7dc23a7f"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "1ffe59a7fed152dfead23810d770348aa8365e547af329fb342f151a7dc23a7f"`
[INFO] running `"docker" "rm" "-f" "1ffe59a7fed152dfead23810d770348aa8365e547af329fb342f151a7dc23a7f"`
[INFO] [stdout] 1ffe59a7fed152dfead23810d770348aa8365e547af329fb342f151a7dc23a7f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/aconstantinou123/rust_grep_tool:/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] 6b58720301ded2305fb2d58560e973d55dc6068e1c34557816ddb79660381bb3
[INFO] running `"docker" "start" "-a" "6b58720301ded2305fb2d58560e973d55dc6068e1c34557816ddb79660381bb3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-71f1d2ea303b99d3
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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 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" "6b58720301ded2305fb2d58560e973d55dc6068e1c34557816ddb79660381bb3"`
[INFO] running `"docker" "rm" "-f" "6b58720301ded2305fb2d58560e973d55dc6068e1c34557816ddb79660381bb3"`
[INFO] [stdout] 6b58720301ded2305fb2d58560e973d55dc6068e1c34557816ddb79660381bb3