[INFO] updating cached repository dguenther/rustchip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dguenther/rustchip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dguenther/rustchip" "work/ex/beta-1.38-1/sources/1.37.0/gh/dguenther/rustchip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dguenther/rustchip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dguenther/rustchip" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dguenther/rustchip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dguenther/rustchip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e29da31ac332b82feeb43a5eaa01f45009e101a
[INFO] sha for GitHub repo dguenther/rustchip: 1e29da31ac332b82feeb43a5eaa01f45009e101a
[INFO] validating manifest of dguenther/rustchip 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 dguenther/rustchip 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 dguenther/rustchip
[INFO] finished frobbing dguenther/rustchip
[INFO] frobbed toml for dguenther/rustchip written to work/ex/beta-1.38-1/sources/1.37.0/gh/dguenther/rustchip/Cargo.toml
[INFO] started frobbing dguenther/rustchip
[INFO] finished frobbing dguenther/rustchip
[INFO] frobbed toml for dguenther/rustchip written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dguenther/rustchip/Cargo.toml
[INFO] crate dguenther/rustchip 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/dguenther/rustchip/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[INFO] the lockfile is outdated, regenerating it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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dguenther/rustchip against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dguenther/rustchip:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 37005aecf1823be95e6f6af7249580fef0059bb36c8652b85dacf76fced47c62
[INFO] running `"docker" "start" "-a" "37005aecf1823be95e6f6af7249580fef0059bb36c8652b85dacf76fced47c62"`
[INFO] [stderr]    Compiling sfml v0.9.3
[INFO] [stderr]    Compiling rustchip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: the trait bound `u8: std::ops::Neg` is not satisfied
[INFO] [stderr]   --> src/main.rs:58:34
[INFO] [stderr]    |
[INFO] [stderr] 58 |                             _ => -1
[INFO] [stderr]    |                                  ^^ the trait `std::ops::Neg` is not implemented for `u8`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `u8: std::ops::Neg` is not satisfied
[INFO] [stderr]   --> src/main.rs:60:35
[INFO] [stderr]    |
[INFO] [stderr] 60 |                         if val != -1 {
[INFO] [stderr]    |                                   ^^ the trait `std::ops::Neg` is not implemented for `u8`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `rustchip`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "37005aecf1823be95e6f6af7249580fef0059bb36c8652b85dacf76fced47c62"`
[INFO] running `"docker" "rm" "-f" "37005aecf1823be95e6f6af7249580fef0059bb36c8652b85dacf76fced47c62"`
[INFO] [stdout] 37005aecf1823be95e6f6af7249580fef0059bb36c8652b85dacf76fced47c62