[INFO] updating cached repository shtanton/sudoku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shtanton/sudoku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shtanton/sudoku" "work/ex/beta-1.38-1/sources/1.37.0/gh/shtanton/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shtanton/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shtanton/sudoku" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shtanton/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shtanton/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5095f4d6359989a0734fb155896c088a1c80e3e8
[INFO] sha for GitHub repo shtanton/sudoku: 5095f4d6359989a0734fb155896c088a1c80e3e8
[INFO] validating manifest of shtanton/sudoku 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 shtanton/sudoku 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 shtanton/sudoku
[INFO] finished frobbing shtanton/sudoku
[INFO] frobbed toml for shtanton/sudoku written to work/ex/beta-1.38-1/sources/1.37.0/gh/shtanton/sudoku/Cargo.toml
[INFO] started frobbing shtanton/sudoku
[INFO] finished frobbing shtanton/sudoku
[INFO] frobbed toml for shtanton/sudoku written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shtanton/sudoku/Cargo.toml
[INFO] crate shtanton/sudoku 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 shtanton/sudoku 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shtanton/sudoku:/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] 4f89cbff17ec7985879d9eaab30a1341431fb33216d67b4375c01072e1ee8758
[INFO] running `"docker" "start" "-a" "4f89cbff17ec7985879d9eaab30a1341431fb33216d67b4375c01072e1ee8758"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "4f89cbff17ec7985879d9eaab30a1341431fb33216d67b4375c01072e1ee8758"`
[INFO] running `"docker" "rm" "-f" "4f89cbff17ec7985879d9eaab30a1341431fb33216d67b4375c01072e1ee8758"`
[INFO] [stdout] 4f89cbff17ec7985879d9eaab30a1341431fb33216d67b4375c01072e1ee8758
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shtanton/sudoku:/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] 208cda8d98fa1d752c85b4e07dfe1f5e1fd616fc2f977a957dcafc4a029c3e93
[INFO] running `"docker" "start" "-a" "208cda8d98fa1d752c85b4e07dfe1f5e1fd616fc2f977a957dcafc4a029c3e93"`
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "208cda8d98fa1d752c85b4e07dfe1f5e1fd616fc2f977a957dcafc4a029c3e93"`
[INFO] running `"docker" "rm" "-f" "208cda8d98fa1d752c85b4e07dfe1f5e1fd616fc2f977a957dcafc4a029c3e93"`
[INFO] [stdout] 208cda8d98fa1d752c85b4e07dfe1f5e1fd616fc2f977a957dcafc4a029c3e93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/shtanton/sudoku:/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] f5793c0f860b532919f59178d956d2ec851f8bcc9af40acd91532838c15287c1
[INFO] running `"docker" "start" "-a" "f5793c0f860b532919f59178d956d2ec851f8bcc9af40acd91532838c15287c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku-fea1510a804a115f
[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]      Running /opt/crater/target/debug/deps/sudoku-24df64fe72ef1315
[INFO] [stderr]    Doc-tests sudoku
[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" "f5793c0f860b532919f59178d956d2ec851f8bcc9af40acd91532838c15287c1"`
[INFO] running `"docker" "rm" "-f" "f5793c0f860b532919f59178d956d2ec851f8bcc9af40acd91532838c15287c1"`
[INFO] [stdout] f5793c0f860b532919f59178d956d2ec851f8bcc9af40acd91532838c15287c1