[INFO] updating cached repository proudzhu/sudoku-brute-force
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/proudzhu/sudoku-brute-force
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/proudzhu/sudoku-brute-force" "work/ex/beta-1.37-6/sources/1.36.0/gh/proudzhu/sudoku-brute-force"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/proudzhu/sudoku-brute-force'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/proudzhu/sudoku-brute-force" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/proudzhu/sudoku-brute-force"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/proudzhu/sudoku-brute-force'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a03ed5c59d6d49a04ad5f8dce6908a3473c97bb7
[INFO] sha for GitHub repo proudzhu/sudoku-brute-force: a03ed5c59d6d49a04ad5f8dce6908a3473c97bb7
[INFO] validating manifest of proudzhu/sudoku-brute-force 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 proudzhu/sudoku-brute-force 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 proudzhu/sudoku-brute-force
[INFO] finished frobbing proudzhu/sudoku-brute-force
[INFO] frobbed toml for proudzhu/sudoku-brute-force written to work/ex/beta-1.37-6/sources/1.36.0/gh/proudzhu/sudoku-brute-force/Cargo.toml
[INFO] started frobbing proudzhu/sudoku-brute-force
[INFO] finished frobbing proudzhu/sudoku-brute-force
[INFO] frobbed toml for proudzhu/sudoku-brute-force written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/proudzhu/sudoku-brute-force/Cargo.toml
[INFO] crate proudzhu/sudoku-brute-force 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 proudzhu/sudoku-brute-force 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-6/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/proudzhu/sudoku-brute-force:/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] 11a8e97eaaad9706464cd042127abb63eeb56b80aa82cfb1fd3b036909c280d8
[INFO] running `"docker" "start" "-a" "11a8e97eaaad9706464cd042127abb63eeb56b80aa82cfb1fd3b036909c280d8"`
[INFO] [stderr]    Compiling brute_force v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "11a8e97eaaad9706464cd042127abb63eeb56b80aa82cfb1fd3b036909c280d8"`
[INFO] running `"docker" "rm" "-f" "11a8e97eaaad9706464cd042127abb63eeb56b80aa82cfb1fd3b036909c280d8"`
[INFO] [stdout] 11a8e97eaaad9706464cd042127abb63eeb56b80aa82cfb1fd3b036909c280d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/proudzhu/sudoku-brute-force:/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] e7fe9a02ec89ffa2cac33dd0fe2f99a8d404ba1c210484a28f3fd02d05e7477c
[INFO] running `"docker" "start" "-a" "e7fe9a02ec89ffa2cac33dd0fe2f99a8d404ba1c210484a28f3fd02d05e7477c"`
[INFO] [stderr]    Compiling brute_force v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "e7fe9a02ec89ffa2cac33dd0fe2f99a8d404ba1c210484a28f3fd02d05e7477c"`
[INFO] running `"docker" "rm" "-f" "e7fe9a02ec89ffa2cac33dd0fe2f99a8d404ba1c210484a28f3fd02d05e7477c"`
[INFO] [stdout] e7fe9a02ec89ffa2cac33dd0fe2f99a8d404ba1c210484a28f3fd02d05e7477c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/proudzhu/sudoku-brute-force:/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] f98d99e515ae0c66a84a9fed6076b9c4fc0c9005674cc70e15a9e2a825f367e9
[INFO] running `"docker" "start" "-a" "f98d99e515ae0c66a84a9fed6076b9c4fc0c9005674cc70e15a9e2a825f367e9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brute_force-243787423725cfba
[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" "f98d99e515ae0c66a84a9fed6076b9c4fc0c9005674cc70e15a9e2a825f367e9"`
[INFO] running `"docker" "rm" "-f" "f98d99e515ae0c66a84a9fed6076b9c4fc0c9005674cc70e15a9e2a825f367e9"`
[INFO] [stdout] f98d99e515ae0c66a84a9fed6076b9c4fc0c9005674cc70e15a9e2a825f367e9