[INFO] cloning repository https://github.com/bddap/chaincad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bddap/chaincad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fchaincad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fchaincad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 141df341f4df4635c8b76e73b06c8feb8e2521a7
[INFO] checking bddap/chaincad against try#89681135fd92d7dee32c3e562b052ee82f97008c for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbddap%2Fchaincad" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bddap/chaincad on toolchain 89681135fd92d7dee32c3e562b052ee82f97008c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/bddap/chaincad already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e78816c13529930daaf6581f0724e751549776ed85e190c261efc19fb48c078
[INFO] running `Command { std: "docker" "start" "-a" "2e78816c13529930daaf6581f0724e751549776ed85e190c261efc19fb48c078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e78816c13529930daaf6581f0724e751549776ed85e190c261efc19fb48c078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e78816c13529930daaf6581f0724e751549776ed85e190c261efc19fb48c078", kill_on_drop: false }`
[INFO] [stdout] 2e78816c13529930daaf6581f0724e751549776ed85e190c261efc19fb48c078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c28fc822fdbba4ba9ed341d9b78ddd0556e11d2c00a9411888d97dbbc5cc30a
[INFO] running `Command { std: "docker" "start" "-a" "8c28fc822fdbba4ba9ed341d9b78ddd0556e11d2c00a9411888d97dbbc5cc30a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking chaincad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Parent`
[INFO] [stdout]  --> src/eval.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Parent(Vec<DeSugaredClip<'a>>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `DeSugaredClip` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/eval.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Clone, Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Child`
[INFO] [stdout]  --> src/eval.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Child(&'a [char]),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `DeSugaredClip` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/eval.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Clone, Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `desugar`
[INFO] [stdout]   --> src/eval.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn desugar<'b>(src: &'b Clip) -> DeSugaredClip<'b> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `desugar_parent`
[INFO] [stdout]   --> src/eval.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn desugar_parent<'b>(parent: &'b [Clip]) -> DeSugaredClip<'b> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.51s
[INFO] running `Command { std: "docker" "inspect" "8c28fc822fdbba4ba9ed341d9b78ddd0556e11d2c00a9411888d97dbbc5cc30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c28fc822fdbba4ba9ed341d9b78ddd0556e11d2c00a9411888d97dbbc5cc30a", kill_on_drop: false }`
[INFO] [stdout] 8c28fc822fdbba4ba9ed341d9b78ddd0556e11d2c00a9411888d97dbbc5cc30a