[INFO] updating cached repository https://github.com/przester/wrzawa-solver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2def244e26cda2440a7ae9d2e6195188c762a540
[INFO] testing przester/wrzawa-solver against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprzester%2Fwrzawa-solver" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/przester/wrzawa-solver on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/przester/wrzawa-solver
[INFO] finished tweaking git repo https://github.com/przester/wrzawa-solver
[INFO] tweaked toml for git repo https://github.com/przester/wrzawa-solver written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/przester/wrzawa-solver already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `git://github.com/BurntSushi/rust-stats`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 8f6aae99c5d1f0f6c812079429af00c6437a75016bd88b43279349d537f26305
[INFO] running `"docker" "start" "-a" "8f6aae99c5d1f0f6c812079429af00c6437a75016bd88b43279349d537f26305"`
[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/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `"docker" "inspect" "8f6aae99c5d1f0f6c812079429af00c6437a75016bd88b43279349d537f26305"`
[INFO] running `"docker" "rm" "-f" "8f6aae99c5d1f0f6c812079429af00c6437a75016bd88b43279349d537f26305"`
[INFO] [stdout] 8f6aae99c5d1f0f6c812079429af00c6437a75016bd88b43279349d537f26305
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d02606ae3df7e04217e72a6036d74522edb034b7ddc3e9055ce68d8e9c560a65
[INFO] running `"docker" "start" "-a" "d02606ae3df7e04217e72a6036d74522edb034b7ddc3e9055ce68d8e9c560a65"`
[INFO] [stderr]    Compiling wrzawa-solver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `"docker" "inspect" "d02606ae3df7e04217e72a6036d74522edb034b7ddc3e9055ce68d8e9c560a65"`
[INFO] running `"docker" "rm" "-f" "d02606ae3df7e04217e72a6036d74522edb034b7ddc3e9055ce68d8e9c560a65"`
[INFO] [stdout] d02606ae3df7e04217e72a6036d74522edb034b7ddc3e9055ce68d8e9c560a65
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 2f84011775bc0689624f719beec2d55d7787551145718e2733d6091ce48fe8fe
[INFO] running `"docker" "start" "-a" "2f84011775bc0689624f719beec2d55d7787551145718e2733d6091ce48fe8fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wrzawa_solver-fc99cedd93978ed1
[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" "2f84011775bc0689624f719beec2d55d7787551145718e2733d6091ce48fe8fe"`
[INFO] running `"docker" "rm" "-f" "2f84011775bc0689624f719beec2d55d7787551145718e2733d6091ce48fe8fe"`
[INFO] [stdout] 2f84011775bc0689624f719beec2d55d7787551145718e2733d6091ce48fe8fe