[INFO] updating cached repository cookiecavekeeper/sudoku-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cookiecavekeeper/sudoku-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cookiecavekeeper/sudoku-solver" "work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cookiecavekeeper/sudoku-solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cookiecavekeeper/sudoku-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cookiecavekeeper/sudoku-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4267d2015b8e5c8686c991ad7c1993e4d72f518
[INFO] sha for GitHub repo cookiecavekeeper/sudoku-solver: e4267d2015b8e5c8686c991ad7c1993e4d72f518
[INFO] validating manifest of cookiecavekeeper/sudoku-solver on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cookiecavekeeper/sudoku-solver on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cookiecavekeeper/sudoku-solver
[INFO] finished frobbing cookiecavekeeper/sudoku-solver
[INFO] frobbed toml for cookiecavekeeper/sudoku-solver written to work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver/Cargo.toml
[INFO] started frobbing cookiecavekeeper/sudoku-solver
[INFO] finished frobbing cookiecavekeeper/sudoku-solver
[INFO] frobbed toml for cookiecavekeeper/sudoku-solver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cookiecavekeeper/sudoku-solver/Cargo.toml
[INFO] crate cookiecavekeeper/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing cookiecavekeeper/sudoku-solver against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 8efe3819bc3abd495dc114bcb75bda5bc1ca7a5b08c65ea29df227c9f6d8125d
[INFO] running `"docker" "start" "-a" "8efe3819bc3abd495dc114bcb75bda5bc1ca7a5b08c65ea29df227c9f6d8125d"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "8efe3819bc3abd495dc114bcb75bda5bc1ca7a5b08c65ea29df227c9f6d8125d"`
[INFO] running `"docker" "rm" "-f" "8efe3819bc3abd495dc114bcb75bda5bc1ca7a5b08c65ea29df227c9f6d8125d"`
[INFO] [stdout] 8efe3819bc3abd495dc114bcb75bda5bc1ca7a5b08c65ea29df227c9f6d8125d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 361b0b7c872a6b3418a42582fd7ff217587e781c27a5484779648d07a812daa3
[INFO] running `"docker" "start" "-a" "361b0b7c872a6b3418a42582fd7ff217587e781c27a5484779648d07a812daa3"`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "361b0b7c872a6b3418a42582fd7ff217587e781c27a5484779648d07a812daa3"`
[INFO] running `"docker" "rm" "-f" "361b0b7c872a6b3418a42582fd7ff217587e781c27a5484779648d07a812daa3"`
[INFO] [stdout] 361b0b7c872a6b3418a42582fd7ff217587e781c27a5484779648d07a812daa3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/cookiecavekeeper/sudoku-solver:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1021caff516967505260368cfc24efbdaf2efed87f2fb8ba7426a635f8b4d184
[INFO] running `"docker" "start" "-a" "1021caff516967505260368cfc24efbdaf2efed87f2fb8ba7426a635f8b4d184"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_solver-bec2f90420ace787
[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" "1021caff516967505260368cfc24efbdaf2efed87f2fb8ba7426a635f8b4d184"`
[INFO] running `"docker" "rm" "-f" "1021caff516967505260368cfc24efbdaf2efed87f2fb8ba7426a635f8b4d184"`
[INFO] [stdout] 1021caff516967505260368cfc24efbdaf2efed87f2fb8ba7426a635f8b4d184