[INFO] updating cached repository scottfitzenrider/sudoku_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scottfitzenrider/sudoku_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scottfitzenrider/sudoku_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/scottfitzenrider/sudoku_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/scottfitzenrider/sudoku_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottfitzenrider/sudoku_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottfitzenrider/sudoku_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottfitzenrider/sudoku_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 42b3af09d22e448f0f26dc501a56d767805dd94c
[INFO] sha for GitHub repo scottfitzenrider/sudoku_rust: 42b3af09d22e448f0f26dc501a56d767805dd94c
[INFO] validating manifest of scottfitzenrider/sudoku_rust 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 scottfitzenrider/sudoku_rust 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 scottfitzenrider/sudoku_rust
[INFO] finished frobbing scottfitzenrider/sudoku_rust
[INFO] frobbed toml for scottfitzenrider/sudoku_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/scottfitzenrider/sudoku_rust/Cargo.toml
[INFO] started frobbing scottfitzenrider/sudoku_rust
[INFO] finished frobbing scottfitzenrider/sudoku_rust
[INFO] frobbed toml for scottfitzenrider/sudoku_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottfitzenrider/sudoku_rust/Cargo.toml
[INFO] crate scottfitzenrider/sudoku_rust 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] testing scottfitzenrider/sudoku_rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottfitzenrider/sudoku_rust:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 65c810f9de1f492004260359329e9d1c89bacc211a807651787b54a63a03df59
[INFO] running `"docker" "start" "-a" "65c810f9de1f492004260359329e9d1c89bacc211a807651787b54a63a03df59"`
[INFO] [stderr]    Compiling sudoku_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "65c810f9de1f492004260359329e9d1c89bacc211a807651787b54a63a03df59"`
[INFO] running `"docker" "rm" "-f" "65c810f9de1f492004260359329e9d1c89bacc211a807651787b54a63a03df59"`
[INFO] [stdout] 65c810f9de1f492004260359329e9d1c89bacc211a807651787b54a63a03df59
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottfitzenrider/sudoku_rust:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2027f2e4b0cb862b6cc45dd346f5209a9fd3f9537b89995edcf159a829ea0d19
[INFO] running `"docker" "start" "-a" "2027f2e4b0cb862b6cc45dd346f5209a9fd3f9537b89995edcf159a829ea0d19"`
[INFO] [stderr]    Compiling sudoku_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "2027f2e4b0cb862b6cc45dd346f5209a9fd3f9537b89995edcf159a829ea0d19"`
[INFO] running `"docker" "rm" "-f" "2027f2e4b0cb862b6cc45dd346f5209a9fd3f9537b89995edcf159a829ea0d19"`
[INFO] [stdout] 2027f2e4b0cb862b6cc45dd346f5209a9fd3f9537b89995edcf159a829ea0d19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottfitzenrider/sudoku_rust:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9eba9cec762669977642f31f55ecea1141040ab0a051f90eb4b08e89d673a49e
[INFO] running `"docker" "start" "-a" "9eba9cec762669977642f31f55ecea1141040ab0a051f90eb4b08e89d673a49e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sudoku_rust-c5c03a2f1bf4b1ee
[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" "9eba9cec762669977642f31f55ecea1141040ab0a051f90eb4b08e89d673a49e"`
[INFO] running `"docker" "rm" "-f" "9eba9cec762669977642f31f55ecea1141040ab0a051f90eb4b08e89d673a49e"`
[INFO] [stdout] 9eba9cec762669977642f31f55ecea1141040ab0a051f90eb4b08e89d673a49e