Nov 28 10:53:41.186 INFO checking Takamichi-tsutsumi/pong against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 10:53:41.186 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 10:53:41.660 INFO [stdout] 622e948b1811b93ad4e747a5d14bfb636d4ae31703c6d45af6a4fd6b1e15591d
Nov 28 10:53:41.660 INFO running `"docker" "start" "-a" "622e948b1811b93ad4e747a5d14bfb636d4ae31703c6d45af6a4fd6b1e15591d"`
Nov 28 10:53:42.542 INFO [stderr] usermod: no changes
Nov 28 10:53:42.678 INFO [stderr]     Checking mime v0.2.4
Nov 28 10:53:42.678 INFO [stderr]     Checking url v1.4.0
Nov 28 10:53:44.199 INFO [stderr]     Checking hyper v0.10.10
Nov 28 10:53:47.161 INFO [stderr]     Checking pong v0.1.0 (/source)
Nov 28 10:53:47.848 INFO [stderr] warning: unused variable: `rx`
Nov 28 10:53:47.848 INFO [stderr]   --> src/main.rs:25:14
Nov 28 10:53:47.848 INFO [stderr]    |
Nov 28 10:53:47.850 INFO [stderr] 25 |     let (tx, rx) = channel();
Nov 28 10:53:47.850 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Nov 28 10:53:47.851 INFO [stderr]    |
Nov 28 10:53:47.852 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:53:47.852 INFO [stderr] 
Nov 28 10:53:47.853 INFO [stderr] warning: unused variable: `req`
Nov 28 10:53:47.853 INFO [stderr]   --> src/main.rs:13:22
Nov 28 10:53:47.854 INFO [stderr]    |
Nov 28 10:53:47.855 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 28 10:53:47.855 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Nov 28 10:53:47.856 INFO [stderr] 
Nov 28 10:53:47.859 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:53:47.860 INFO [stderr]   --> src/main.rs:13:36
Nov 28 10:53:47.860 INFO [stderr]    |
Nov 28 10:53:47.861 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 28 10:53:47.861 INFO [stderr]    |                                    ----^^^
Nov 28 10:53:47.861 INFO [stderr]    |                                    |
Nov 28 10:53:47.862 INFO [stderr]    |                                    help: remove this `mut`
Nov 28 10:53:47.862 INFO [stderr]    |
Nov 28 10:53:47.862 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:53:47.862 INFO [stderr] 
Nov 28 10:53:48.285 INFO [stderr] warning: unused variable: `rx`
Nov 28 10:53:48.293 INFO [stderr]   --> src/main.rs:25:14
Nov 28 10:53:48.293 INFO [stderr]    |
Nov 28 10:53:48.293 INFO [stderr] 25 |     let (tx, rx) = channel();
Nov 28 10:53:48.293 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Nov 28 10:53:48.293 INFO [stderr]    |
Nov 28 10:53:48.293 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:53:48.293 INFO [stderr] 
Nov 28 10:53:48.293 INFO [stderr] warning: unused variable: `req`
Nov 28 10:53:48.293 INFO [stderr]   --> src/main.rs:13:22
Nov 28 10:53:48.293 INFO [stderr]    |
Nov 28 10:53:48.293 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 28 10:53:48.293 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Nov 28 10:53:48.293 INFO [stderr] 
Nov 28 10:53:48.299 INFO [stderr] warning: variable does not need to be mutable
Nov 28 10:53:48.299 INFO [stderr]   --> src/main.rs:13:36
Nov 28 10:53:48.299 INFO [stderr]    |
Nov 28 10:53:48.299 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 28 10:53:48.299 INFO [stderr]    |                                    ----^^^
Nov 28 10:53:48.299 INFO [stderr]    |                                    |
Nov 28 10:53:48.299 INFO [stderr]    |                                    help: remove this `mut`
Nov 28 10:53:48.299 INFO [stderr]    |
Nov 28 10:53:48.299 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 10:53:48.299 INFO [stderr] 
Nov 28 10:53:48.317 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
Nov 28 10:53:48.322 INFO [stderr] su: No module specific data is present
Nov 28 10:53:48.746 INFO running `"docker" "inspect" "622e948b1811b93ad4e747a5d14bfb636d4ae31703c6d45af6a4fd6b1e15591d"`
Nov 28 10:53:48.847 INFO running `"docker" "rm" "-f" "622e948b1811b93ad4e747a5d14bfb636d4ae31703c6d45af6a4fd6b1e15591d"`
Nov 28 10:53:49.700 INFO [stdout] 622e948b1811b93ad4e747a5d14bfb636d4ae31703c6d45af6a4fd6b1e15591d