[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-1.37-6/sources/1.36.0/gh/przester/wrzawa-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/przester/wrzawa-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/przester/wrzawa-solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/przester/wrzawa-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of przester/wrzawa-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 przester/wrzawa-solver
[INFO] finished frobbing przester/wrzawa-solver
[INFO] frobbed toml for przester/wrzawa-solver written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "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-2019-07-23" "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" "+1.36.0" "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 przester/wrzawa-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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 997715a6dfc880c7ecf101f515ac1184a331df7c21c62d5e3ac331660a2f3730
[INFO] running `"docker" "start" "-a" "997715a6dfc880c7ecf101f515ac1184a331df7c21c62d5e3ac331660a2f3730"`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.8
[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 8.32s
[INFO] running `"docker" "inspect" "997715a6dfc880c7ecf101f515ac1184a331df7c21c62d5e3ac331660a2f3730"`
[INFO] running `"docker" "rm" "-f" "997715a6dfc880c7ecf101f515ac1184a331df7c21c62d5e3ac331660a2f3730"`
[INFO] [stdout] 997715a6dfc880c7ecf101f515ac1184a331df7c21c62d5e3ac331660a2f3730
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f2f589dfd85fe328607f95c4deee79c1bc6fa0db257f909cb9f11ccf47697728
[INFO] running `"docker" "start" "-a" "f2f589dfd85fe328607f95c4deee79c1bc6fa0db257f909cb9f11ccf47697728"`
[INFO] [stderr]    Compiling wrzawa-solver v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "f2f589dfd85fe328607f95c4deee79c1bc6fa0db257f909cb9f11ccf47697728"`
[INFO] running `"docker" "rm" "-f" "f2f589dfd85fe328607f95c4deee79c1bc6fa0db257f909cb9f11ccf47697728"`
[INFO] [stdout] f2f589dfd85fe328607f95c4deee79c1bc6fa0db257f909cb9f11ccf47697728
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e0ffeca91fd88b379d89ff609c7ff1389d754c6bd1c109d385b18f2d6fa93798
[INFO] running `"docker" "start" "-a" "e0ffeca91fd88b379d89ff609c7ff1389d754c6bd1c109d385b18f2d6fa93798"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wrzawa_solver-05ebbe3d3a039d79
[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" "e0ffeca91fd88b379d89ff609c7ff1389d754c6bd1c109d385b18f2d6fa93798"`
[INFO] running `"docker" "rm" "-f" "e0ffeca91fd88b379d89ff609c7ff1389d754c6bd1c109d385b18f2d6fa93798"`
[INFO] [stdout] e0ffeca91fd88b379d89ff609c7ff1389d754c6bd1c109d385b18f2d6fa93798