Dec 17 16:27:23.853 INFO checking rust-nyc/rust.nyc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:27:23.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rust-nyc/rust.nyc:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:27:24.445 INFO [stdout] cf5ba85f86d2547a9bbfb894fff3771128a9d71a674e309d59e3ffff2c84fe2a
Dec 17 16:27:24.447 INFO running `"docker" "start" "-a" "cf5ba85f86d2547a9bbfb894fff3771128a9d71a674e309d59e3ffff2c84fe2a"`
Dec 17 16:27:26.036 INFO [stderr]     Checking mime v0.2.2
Dec 17 16:27:26.044 INFO [stderr]     Checking num_cpus v1.3.0
Dec 17 16:27:26.044 INFO [stderr]    Compiling hyper v0.10.5
Dec 17 16:27:30.416 INFO [stderr]     Checking iron v0.5.1
Dec 17 16:27:31.388 INFO [stderr]     Checking rust-nyc v0.1.0 (/opt/crater/workdir)
Dec 17 16:27:31.636 INFO [stderr] warning: unused variable: `req_`
Dec 17 16:27:31.636 INFO [stderr]   --> src/main.rs:18:12
Dec 17 16:27:31.636 INFO [stderr]    |
Dec 17 16:27:31.636 INFO [stderr] 18 | fn respond(req_: &mut Request) -> Result<Response, IronError> {
Dec 17 16:27:31.636 INFO [stderr]    |            ^^^^ help: consider using `_req_` instead
Dec 17 16:27:31.636 INFO [stderr]    |
Dec 17 16:27:31.636 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 16:27:31.636 INFO [stderr] 
Dec 17 16:27:31.768 INFO [stderr] warning: unused variable: `req_`
Dec 17 16:27:31.768 INFO [stderr]   --> src/main.rs:18:12
Dec 17 16:27:31.768 INFO [stderr]    |
Dec 17 16:27:31.768 INFO [stderr] 18 | fn respond(req_: &mut Request) -> Result<Response, IronError> {
Dec 17 16:27:31.768 INFO [stderr]    |            ^^^^ help: consider using `_req_` instead
Dec 17 16:27:31.768 INFO [stderr]    |
Dec 17 16:27:31.768 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 16:27:31.768 INFO [stderr] 
Dec 17 16:27:31.812 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
Dec 17 16:27:33.279 INFO running `"docker" "inspect" "cf5ba85f86d2547a9bbfb894fff3771128a9d71a674e309d59e3ffff2c84fe2a"`
Dec 17 16:27:33.538 INFO running `"docker" "rm" "-f" "cf5ba85f86d2547a9bbfb894fff3771128a9d71a674e309d59e3ffff2c84fe2a"`
Dec 17 16:27:33.874 INFO [stdout] cf5ba85f86d2547a9bbfb894fff3771128a9d71a674e309d59e3ffff2c84fe2a