[INFO] updating cached repository https://github.com/bddap/chaincad
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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] 141df341f4df4635c8b76e73b06c8feb8e2521a7
[INFO] checking bddap/chaincad against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fchaincad" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bddap/chaincad on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bddap/chaincad
[INFO] finished tweaking git repo https://github.com/bddap/chaincad
[INFO] tweaked toml for git repo https://github.com/bddap/chaincad written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bddap/chaincad already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=forbid" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4e9f4570d205e5fd6efa1067d80ece40c8d82d648c0856fc623daed901362a05
[INFO] running `"docker" "start" "-a" "4e9f4570d205e5fd6efa1067d80ece40c8d82d648c0856fc623daed901362a05"`
[INFO] [stderr]     Checking chaincad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Parent`
[INFO] [stderr]  --> src/eval.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Parent(Vec<DeSugaredClip<'a>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Child`
[INFO] [stderr]  --> src/eval.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Child(&'a [char]),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `desugar`
[INFO] [stderr]   --> src/eval.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn desugar<'b>(src: &'b Clip) -> DeSugaredClip<'b> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `desugar_parent`
[INFO] [stderr]   --> src/eval.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn desugar_parent<'b>(parent: &'b [Clip]) -> DeSugaredClip<'b> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `"docker" "inspect" "4e9f4570d205e5fd6efa1067d80ece40c8d82d648c0856fc623daed901362a05"`
[INFO] running `"docker" "rm" "-f" "4e9f4570d205e5fd6efa1067d80ece40c8d82d648c0856fc623daed901362a05"`
[INFO] [stdout] 4e9f4570d205e5fd6efa1067d80ece40c8d82d648c0856fc623daed901362a05