[INFO] updating cached repository MAKLs/minigrep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MAKLs/minigrep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MAKLs/minigrep" "work/ex/beta-1.38-1/sources/1.37.0/gh/MAKLs/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MAKLs/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MAKLs/minigrep" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MAKLs/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MAKLs/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] beec855682d0d3e56930f2f53ff8d51d7595f40b
[INFO] sha for GitHub repo MAKLs/minigrep: beec855682d0d3e56930f2f53ff8d51d7595f40b
[INFO] validating manifest of MAKLs/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 MAKLs/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 MAKLs/minigrep
[INFO] finished frobbing MAKLs/minigrep
[INFO] frobbed toml for MAKLs/minigrep written to work/ex/beta-1.38-1/sources/1.37.0/gh/MAKLs/minigrep/Cargo.toml
[INFO] started frobbing MAKLs/minigrep
[INFO] finished frobbing MAKLs/minigrep
[INFO] frobbed toml for MAKLs/minigrep written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MAKLs/minigrep/Cargo.toml
[INFO] crate MAKLs/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 MAKLs/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MAKLs/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] e25eab4e6de6915797c9b954f37d1f5bf7de7ea8bfbd4734cee1d5264312d459
[INFO] running `"docker" "start" "-a" "e25eab4e6de6915797c9b954f37d1f5bf7de7ea8bfbd4734cee1d5264312d459"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "e25eab4e6de6915797c9b954f37d1f5bf7de7ea8bfbd4734cee1d5264312d459"`
[INFO] running `"docker" "rm" "-f" "e25eab4e6de6915797c9b954f37d1f5bf7de7ea8bfbd4734cee1d5264312d459"`
[INFO] [stdout] e25eab4e6de6915797c9b954f37d1f5bf7de7ea8bfbd4734cee1d5264312d459
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MAKLs/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] 791d02cdc978c90129a3dd63829fd1086e53e07af007f0e96b47cde092f3b0ca
[INFO] running `"docker" "start" "-a" "791d02cdc978c90129a3dd63829fd1086e53e07af007f0e96b47cde092f3b0ca"`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "791d02cdc978c90129a3dd63829fd1086e53e07af007f0e96b47cde092f3b0ca"`
[INFO] running `"docker" "rm" "-f" "791d02cdc978c90129a3dd63829fd1086e53e07af007f0e96b47cde092f3b0ca"`
[INFO] [stdout] 791d02cdc978c90129a3dd63829fd1086e53e07af007f0e96b47cde092f3b0ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MAKLs/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] 74cf9eb904c4cfcd49b102c1c393954dbb06ac22f4381254b95f1cfee6fbf74a
[INFO] running `"docker" "start" "-a" "74cf9eb904c4cfcd49b102c1c393954dbb06ac22f4381254b95f1cfee6fbf74a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minigrep-f788900508bc8193
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::run_success ... ok
[INFO] [stdout] test tests::new_config ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::run_failure ... ok
[INFO] [stdout] test tests::new_config_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "74cf9eb904c4cfcd49b102c1c393954dbb06ac22f4381254b95f1cfee6fbf74a"`
[INFO] running `"docker" "rm" "-f" "74cf9eb904c4cfcd49b102c1c393954dbb06ac22f4381254b95f1cfee6fbf74a"`
[INFO] [stdout] 74cf9eb904c4cfcd49b102c1c393954dbb06ac22f4381254b95f1cfee6fbf74a