[INFO] updating cached repository kongra/nc3
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kongra/nc3
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kongra/nc3" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/kongra/nc3"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/kongra/nc3'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kongra/nc3" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/kongra/nc3"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/kongra/nc3'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] efca6f84374ea9571dd2815b47a2ff601f80cf6b
[INFO] sha for GitHub repo kongra/nc3: efca6f84374ea9571dd2815b47a2ff601f80cf6b
[INFO] validating manifest of kongra/nc3 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kongra/nc3 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kongra/nc3
[INFO] finished frobbing kongra/nc3
[INFO] frobbed toml for kongra/nc3 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/kongra/nc3/Cargo.toml
[INFO] started frobbing kongra/nc3
[INFO] finished frobbing kongra/nc3
[INFO] frobbed toml for kongra/nc3 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/kongra/nc3/Cargo.toml
[INFO] crate kongra/nc3 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kongra/nc3 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-6/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/kongra/nc3:/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=forbid" "-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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4dfa9fa13d7ee1df30893ad4e77c4334186cb3edf7273e873dae90cdaa9bed8f
[INFO] running `"docker" "start" "-a" "4dfa9fa13d7ee1df30893ad4e77c4334186cb3edf7273e873dae90cdaa9bed8f"`
[INFO] [stderr]     Checking nc3 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `pred`
[INFO] [stderr]    --> src/csp/model.rs:109:3
[INFO] [stderr]     |
[INFO] [stderr] 109 |   pred: Pred,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `domspecs`
[INFO] [stderr]    --> src/csp/model.rs:110:3
[INFO] [stderr]     |
[INFO] [stderr] 110 |   domspecs: Vec<Domspec>,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `pred`
[INFO] [stderr]    --> src/csp/model.rs:109:3
[INFO] [stderr]     |
[INFO] [stderr] 109 |   pred: Pred,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `domspecs`
[INFO] [stderr]    --> src/csp/model.rs:110:3
[INFO] [stderr]     |
[INFO] [stderr] 110 |   domspecs: Vec<Domspec>,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4dfa9fa13d7ee1df30893ad4e77c4334186cb3edf7273e873dae90cdaa9bed8f"`
[INFO] running `"docker" "rm" "-f" "4dfa9fa13d7ee1df30893ad4e77c4334186cb3edf7273e873dae90cdaa9bed8f"`
[INFO] [stdout] 4dfa9fa13d7ee1df30893ad4e77c4334186cb3edf7273e873dae90cdaa9bed8f