Nov 30 08:25:35.768 INFO checking Takamichi-tsutsumi/pong against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 08:25:35.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 08:25:36.049 INFO [stdout] f7e7d635bad92505edd76fed3cfab1c88ffb11febe1ba64225707bf1a016275a
Nov 30 08:25:36.049 INFO running `"docker" "start" "-a" "f7e7d635bad92505edd76fed3cfab1c88ffb11febe1ba64225707bf1a016275a"`
Nov 30 08:25:36.533 INFO [stderr] usermod: no changes
Nov 30 08:25:36.601 INFO [stderr]     Checking pong v0.1.0 (/source)
Nov 30 08:25:37.539 INFO [stderr] warning: unused variable: `rx`
Nov 30 08:25:37.539 INFO [stderr]   --> src/main.rs:25:14
Nov 30 08:25:37.539 INFO [stderr]    |
Nov 30 08:25:37.539 INFO [stderr] 25 |     let (tx, rx) = channel();
Nov 30 08:25:37.539 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Nov 30 08:25:37.539 INFO [stderr]    |
Nov 30 08:25:37.539 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:25:37.539 INFO [stderr] 
Nov 30 08:25:37.539 INFO [stderr] warning: unused variable: `req`
Nov 30 08:25:37.539 INFO [stderr]   --> src/main.rs:13:22
Nov 30 08:25:37.539 INFO [stderr]    |
Nov 30 08:25:37.539 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 30 08:25:37.539 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Nov 30 08:25:37.539 INFO [stderr] 
Nov 30 08:25:37.539 INFO [stderr] warning: unused variable: `rx`
Nov 30 08:25:37.539 INFO [stderr]   --> src/main.rs:25:14
Nov 30 08:25:37.539 INFO [stderr]    |
Nov 30 08:25:37.539 INFO [stderr] 25 |     let (tx, rx) = channel();
Nov 30 08:25:37.539 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Nov 30 08:25:37.539 INFO [stderr]    |
Nov 30 08:25:37.539 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:25:37.539 INFO [stderr] 
Nov 30 08:25:37.539 INFO [stderr] warning: unused variable: `req`
Nov 30 08:25:37.539 INFO [stderr]   --> src/main.rs:13:22
Nov 30 08:25:37.539 INFO [stderr]    |
Nov 30 08:25:37.539 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 30 08:25:37.539 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Nov 30 08:25:37.539 INFO [stderr] 
Nov 30 08:25:37.547 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:25:37.547 INFO [stderr]   --> src/main.rs:13:36
Nov 30 08:25:37.548 INFO [stderr]    |
Nov 30 08:25:37.548 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 30 08:25:37.548 INFO [stderr]    |                                    ----^^^
Nov 30 08:25:37.548 INFO [stderr]    |                                    |
Nov 30 08:25:37.548 INFO [stderr]    |                                    help: remove this `mut`
Nov 30 08:25:37.548 INFO [stderr]    |
Nov 30 08:25:37.548 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 08:25:37.548 INFO [stderr] 
Nov 30 08:25:37.548 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:25:37.548 INFO [stderr]   --> src/main.rs:13:36
Nov 30 08:25:37.548 INFO [stderr]    |
Nov 30 08:25:37.548 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Nov 30 08:25:37.548 INFO [stderr]    |                                    ----^^^
Nov 30 08:25:37.548 INFO [stderr]    |                                    |
Nov 30 08:25:37.548 INFO [stderr]    |                                    help: remove this `mut`
Nov 30 08:25:37.548 INFO [stderr]    |
Nov 30 08:25:37.548 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 08:25:37.548 INFO [stderr] 
Nov 30 08:25:37.558 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Nov 30 08:25:37.562 INFO [stderr] su: No module specific data is present
Nov 30 08:25:37.929 INFO running `"docker" "inspect" "f7e7d635bad92505edd76fed3cfab1c88ffb11febe1ba64225707bf1a016275a"`
Nov 30 08:25:37.999 INFO running `"docker" "rm" "-f" "f7e7d635bad92505edd76fed3cfab1c88ffb11febe1ba64225707bf1a016275a"`
Nov 30 08:25:38.068 INFO [stdout] f7e7d635bad92505edd76fed3cfab1c88ffb11febe1ba64225707bf1a016275a