[INFO] updating cached repository przester/wrzawa-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/przester/wrzawa-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/przester/wrzawa-solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/przester/wrzawa-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/przester/wrzawa-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/przester/wrzawa-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/przester/wrzawa-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/przester/wrzawa-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2def244e26cda2440a7ae9d2e6195188c762a540
[INFO] sha for GitHub repo przester/wrzawa-solver: 2def244e26cda2440a7ae9d2e6195188c762a540
[INFO] validating manifest of przester/wrzawa-solver 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 przester/wrzawa-solver 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 przester/wrzawa-solver
[INFO] finished frobbing przester/wrzawa-solver
[INFO] frobbed toml for przester/wrzawa-solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/przester/wrzawa-solver/Cargo.toml
[INFO] started frobbing przester/wrzawa-solver
[INFO] finished frobbing przester/wrzawa-solver
[INFO] frobbed toml for przester/wrzawa-solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/przester/wrzawa-solver/Cargo.toml
[INFO] crate przester/wrzawa-solver 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/przester/wrzawa-solver/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `git://github.com/BurntSushi/rust-stats`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `git://github.com/BurntSushi/rust-stats`
[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 przester/wrzawa-solver against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/przester/wrzawa-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ef5afaabfe0db1bdc632dc55224543e864118d117a7b4f78d04ae14e739540f7
[INFO] running `"docker" "start" "-a" "ef5afaabfe0db1bdc632dc55224543e864118d117a7b4f78d04ae14e739540f7"`
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling streaming-stats v0.2.2 (git://github.com/BurntSushi/rust-stats#2368a9dd)
[INFO] [stderr]    Compiling wrzawa-solver v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `"docker" "inspect" "ef5afaabfe0db1bdc632dc55224543e864118d117a7b4f78d04ae14e739540f7"`
[INFO] running `"docker" "rm" "-f" "ef5afaabfe0db1bdc632dc55224543e864118d117a7b4f78d04ae14e739540f7"`
[INFO] [stdout] ef5afaabfe0db1bdc632dc55224543e864118d117a7b4f78d04ae14e739540f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/przester/wrzawa-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a3ac7adae8198f348f3a90b3b39d859b0f996d4fe1c594d7f30bd3803c252a14
[INFO] running `"docker" "start" "-a" "a3ac7adae8198f348f3a90b3b39d859b0f996d4fe1c594d7f30bd3803c252a14"`
[INFO] [stderr]    Compiling wrzawa-solver v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "a3ac7adae8198f348f3a90b3b39d859b0f996d4fe1c594d7f30bd3803c252a14"`
[INFO] running `"docker" "rm" "-f" "a3ac7adae8198f348f3a90b3b39d859b0f996d4fe1c594d7f30bd3803c252a14"`
[INFO] [stdout] a3ac7adae8198f348f3a90b3b39d859b0f996d4fe1c594d7f30bd3803c252a14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/przester/wrzawa-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 60cf1a3e714c526c06981bdd7b41feb94c6419628c73da6f4a1141654bf791b8
[INFO] running `"docker" "start" "-a" "60cf1a3e714c526c06981bdd7b41feb94c6419628c73da6f4a1141654bf791b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wrzawa_solver-95e1a02c6cbd9685
[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" "60cf1a3e714c526c06981bdd7b41feb94c6419628c73da6f4a1141654bf791b8"`
[INFO] running `"docker" "rm" "-f" "60cf1a3e714c526c06981bdd7b41feb94c6419628c73da6f4a1141654bf791b8"`
[INFO] [stdout] 60cf1a3e714c526c06981bdd7b41feb94c6419628c73da6f4a1141654bf791b8