Dec 19 21:45:32.677 INFO checking Takamichi-tsutsumi/pong against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:45:32.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Takamichi-tsutsumi/pong:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:45:33.182 INFO [stdout] 5c41d8fde83add9375bb3d0c00cce29fe719b53298a8ee0ef3717aa335ba49a5
Dec 19 21:45:33.184 INFO running `"docker" "start" "-a" "5c41d8fde83add9375bb3d0c00cce29fe719b53298a8ee0ef3717aa335ba49a5"`
Dec 19 21:45:34.511 INFO [stderr]     Checking pong v0.1.0 (/opt/crater/workdir)
Dec 19 21:45:34.999 INFO [stderr] warning: unused variable: `rx`
Dec 19 21:45:34.999 INFO [stderr]   --> src/main.rs:25:14
Dec 19 21:45:34.999 INFO [stderr]    |
Dec 19 21:45:34.999 INFO [stderr] 25 |     let (tx, rx) = channel();
Dec 19 21:45:34.999 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Dec 19 21:45:34.999 INFO [stderr]    |
Dec 19 21:45:34.999 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:45:34.999 INFO [stderr] 
Dec 19 21:45:34.999 INFO [stderr] warning: unused variable: `req`
Dec 19 21:45:34.999 INFO [stderr]   --> src/main.rs:13:22
Dec 19 21:45:34.999 INFO [stderr]    |
Dec 19 21:45:34.999 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 19 21:45:34.999 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Dec 19 21:45:34.999 INFO [stderr] 
Dec 19 21:45:35.008 INFO [stderr] warning: unused variable: `rx`
Dec 19 21:45:35.008 INFO [stderr]   --> src/main.rs:25:14
Dec 19 21:45:35.008 INFO [stderr]    |
Dec 19 21:45:35.008 INFO [stderr] 25 |     let (tx, rx) = channel();
Dec 19 21:45:35.008 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Dec 19 21:45:35.008 INFO [stderr]    |
Dec 19 21:45:35.008 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:45:35.008 INFO [stderr] 
Dec 19 21:45:35.008 INFO [stderr] warning: unused variable: `req`
Dec 19 21:45:35.008 INFO [stderr]   --> src/main.rs:13:22
Dec 19 21:45:35.008 INFO [stderr]    |
Dec 19 21:45:35.008 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 19 21:45:35.008 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Dec 19 21:45:35.008 INFO [stderr] 
Dec 19 21:45:35.020 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:45:35.020 INFO [stderr]   --> src/main.rs:13:36
Dec 19 21:45:35.020 INFO [stderr]    |
Dec 19 21:45:35.020 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 19 21:45:35.020 INFO [stderr]    |                                    ----^^^
Dec 19 21:45:35.020 INFO [stderr]    |                                    |
Dec 19 21:45:35.021 INFO [stderr]    |                                    help: remove this `mut`
Dec 19 21:45:35.021 INFO [stderr]    |
Dec 19 21:45:35.021 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:45:35.021 INFO [stderr] 
Dec 19 21:45:35.021 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:45:35.021 INFO [stderr]   --> src/main.rs:13:36
Dec 19 21:45:35.021 INFO [stderr]    |
Dec 19 21:45:35.022 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 19 21:45:35.022 INFO [stderr]    |                                    ----^^^
Dec 19 21:45:35.022 INFO [stderr]    |                                    |
Dec 19 21:45:35.022 INFO [stderr]    |                                    help: remove this `mut`
Dec 19 21:45:35.022 INFO [stderr]    |
Dec 19 21:45:35.032 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:45:35.032 INFO [stderr] 
Dec 19 21:45:35.088 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 19 21:45:37.203 INFO running `"docker" "inspect" "5c41d8fde83add9375bb3d0c00cce29fe719b53298a8ee0ef3717aa335ba49a5"`
Dec 19 21:45:37.281 INFO running `"docker" "rm" "-f" "5c41d8fde83add9375bb3d0c00cce29fe719b53298a8ee0ef3717aa335ba49a5"`
Dec 19 21:45:37.378 INFO [stdout] 5c41d8fde83add9375bb3d0c00cce29fe719b53298a8ee0ef3717aa335ba49a5