[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 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6f6d8e8b87e2a1b0b64bb28d12ace15b237c818fd75e413002561f172f7b407a
[INFO] running `"docker" "start" "-a" "6f6d8e8b87e2a1b0b64bb28d12ace15b237c818fd75e413002561f172f7b407a"`
[INFO] [stderr]    Compiling brute_force v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "6f6d8e8b87e2a1b0b64bb28d12ace15b237c818fd75e413002561f172f7b407a"`
[INFO] running `"docker" "rm" "-f" "6f6d8e8b87e2a1b0b64bb28d12ace15b237c818fd75e413002561f172f7b407a"`
[INFO] [stdout] 6f6d8e8b87e2a1b0b64bb28d12ace15b237c818fd75e413002561f172f7b407a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1581d6361da8db62c94c025a8b715823849e03b83b23317d9bac9496fcb10777
[INFO] running `"docker" "start" "-a" "1581d6361da8db62c94c025a8b715823849e03b83b23317d9bac9496fcb10777"`
[INFO] [stderr]    Compiling brute_force v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "1581d6361da8db62c94c025a8b715823849e03b83b23317d9bac9496fcb10777"`
[INFO] running `"docker" "rm" "-f" "1581d6361da8db62c94c025a8b715823849e03b83b23317d9bac9496fcb10777"`
[INFO] [stdout] 1581d6361da8db62c94c025a8b715823849e03b83b23317d9bac9496fcb10777
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 93f30fd5b4af73c39333932c2cd04d69dff9bb5b213c18a3728b109b7cc073eb
[INFO] running `"docker" "start" "-a" "93f30fd5b4af73c39333932c2cd04d69dff9bb5b213c18a3728b109b7cc073eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brute_force-e86c7a6c943211dd
[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" "93f30fd5b4af73c39333932c2cd04d69dff9bb5b213c18a3728b109b7cc073eb"`
[INFO] running `"docker" "rm" "-f" "93f30fd5b4af73c39333932c2cd04d69dff9bb5b213c18a3728b109b7cc073eb"`
[INFO] [stdout] 93f30fd5b4af73c39333932c2cd04d69dff9bb5b213c18a3728b109b7cc073eb