Dec 17 23:11:13.844 INFO checking hustshawn/rust-iron-demo against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:11:13.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/hustshawn/rust-iron-demo:/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 23:11:14.136 INFO [stdout] c0c001f7fd9dba6590437461d2136dbe7336cacc9e677097e09108355b2fe9d7
Dec 17 23:11:14.136 INFO running `"docker" "start" "-a" "c0c001f7fd9dba6590437461d2136dbe7336cacc9e677097e09108355b2fe9d7"`
Dec 17 23:11:15.391 INFO [stderr]     Checking hyper v0.10.12
Dec 17 23:11:18.344 INFO [stderr]     Checking iron v0.5.1
Dec 17 23:11:19.036 INFO [stderr]     Checking router v0.5.1
Dec 17 23:11:19.574 INFO [stderr]     Checking iron-prj v0.1.0 (/opt/crater/workdir)
Dec 17 23:11:20.068 INFO [stderr] warning: unused variable: `req`
Dec 17 23:11:20.068 INFO [stderr]   --> src/main.rs:99:12
Dec 17 23:11:20.068 INFO [stderr]    |
Dec 17 23:11:20.068 INFO [stderr] 99 | fn handler(req: &mut Request) -> IronResult<Response> {
Dec 17 23:11:20.068 INFO [stderr]    |            ^^^ help: consider using `_req` instead
Dec 17 23:11:20.068 INFO [stderr]    |
Dec 17 23:11:20.068 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:11:20.068 INFO [stderr] 
Dec 17 23:11:20.140 INFO [stderr] warning: unused variable: `req`
Dec 17 23:11:20.140 INFO [stderr]   --> src/main.rs:99:12
Dec 17 23:11:20.140 INFO [stderr]    |
Dec 17 23:11:20.140 INFO [stderr] 99 | fn handler(req: &mut Request) -> IronResult<Response> {
Dec 17 23:11:20.140 INFO [stderr]    |            ^^^ help: consider using `_req` instead
Dec 17 23:11:20.140 INFO [stderr]    |
Dec 17 23:11:20.140 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:11:20.140 INFO [stderr] 
Dec 17 23:11:20.197 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
Dec 17 23:11:20.584 INFO running `"docker" "inspect" "c0c001f7fd9dba6590437461d2136dbe7336cacc9e677097e09108355b2fe9d7"`
Dec 17 23:11:20.666 INFO running `"docker" "rm" "-f" "c0c001f7fd9dba6590437461d2136dbe7336cacc9e677097e09108355b2fe9d7"`
Dec 17 23:11:20.820 INFO [stdout] c0c001f7fd9dba6590437461d2136dbe7336cacc9e677097e09108355b2fe9d7