Dec 12 00:06:26.504 INFO checking Takamichi-tsutsumi/pong against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 00:06:26.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 00:06:26.725 INFO [stdout] 53c7e61204937bb51c5ddf316310a807e56256f8cda3f24b6c4b65dad8ccccd7
Dec 12 00:06:26.730 INFO running `"docker" "start" "-a" "53c7e61204937bb51c5ddf316310a807e56256f8cda3f24b6c4b65dad8ccccd7"`
Dec 12 00:06:27.176 INFO [stderr] usermod: no changes
Dec 12 00:06:27.261 INFO [stderr]     Checking unicode-bidi v0.3.2
Dec 12 00:06:27.261 INFO [stderr]     Checking mime v0.2.4
Dec 12 00:06:28.060 INFO [stderr]     Checking idna v0.1.2
Dec 12 00:06:29.884 INFO [stderr]     Checking url v1.4.0
Dec 12 00:06:31.311 INFO [stderr]     Checking hyper v0.10.10
Dec 12 00:06:34.996 INFO [stderr]     Checking pong v0.1.0 (/source)
Dec 12 00:06:36.824 INFO [stderr] warning: unused variable: `rx`
Dec 12 00:06:36.825 INFO [stderr]   --> src/main.rs:25:14
Dec 12 00:06:36.825 INFO [stderr]    |
Dec 12 00:06:36.825 INFO [stderr] 25 |     let (tx, rx) = channel();
Dec 12 00:06:36.826 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Dec 12 00:06:36.826 INFO [stderr]    |
Dec 12 00:06:36.826 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:06:36.826 INFO [stderr] 
Dec 12 00:06:36.826 INFO [stderr] warning: unused variable: `req`
Dec 12 00:06:36.827 INFO [stderr]   --> src/main.rs:13:22
Dec 12 00:06:36.827 INFO [stderr]    |
Dec 12 00:06:36.827 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 12 00:06:36.827 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Dec 12 00:06:36.828 INFO [stderr] 
Dec 12 00:06:36.856 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:06:36.857 INFO [stderr]   --> src/main.rs:13:36
Dec 12 00:06:36.857 INFO [stderr]    |
Dec 12 00:06:36.857 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 12 00:06:36.857 INFO [stderr]    |                                    ----^^^
Dec 12 00:06:36.858 INFO [stderr]    |                                    |
Dec 12 00:06:36.858 INFO [stderr]    |                                    help: remove this `mut`
Dec 12 00:06:36.858 INFO [stderr]    |
Dec 12 00:06:36.858 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:06:36.858 INFO [stderr] 
Dec 12 00:06:37.180 INFO [stderr] warning: unused variable: `rx`
Dec 12 00:06:37.180 INFO [stderr]   --> src/main.rs:25:14
Dec 12 00:06:37.180 INFO [stderr]    |
Dec 12 00:06:37.180 INFO [stderr] 25 |     let (tx, rx) = channel();
Dec 12 00:06:37.180 INFO [stderr]    |              ^^ help: consider using `_rx` instead
Dec 12 00:06:37.180 INFO [stderr]    |
Dec 12 00:06:37.180 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:06:37.180 INFO [stderr] 
Dec 12 00:06:37.180 INFO [stderr] warning: unused variable: `req`
Dec 12 00:06:37.180 INFO [stderr]   --> src/main.rs:13:22
Dec 12 00:06:37.180 INFO [stderr]    |
Dec 12 00:06:37.180 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 12 00:06:37.180 INFO [stderr]    |                      ^^^ help: consider using `_req` instead
Dec 12 00:06:37.180 INFO [stderr] 
Dec 12 00:06:37.194 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:06:37.194 INFO [stderr]   --> src/main.rs:13:36
Dec 12 00:06:37.194 INFO [stderr]    |
Dec 12 00:06:37.194 INFO [stderr] 13 |     fn handle(&self, req: Request, mut res: Response) {
Dec 12 00:06:37.194 INFO [stderr]    |                                    ----^^^
Dec 12 00:06:37.194 INFO [stderr]    |                                    |
Dec 12 00:06:37.194 INFO [stderr]    |                                    help: remove this `mut`
Dec 12 00:06:37.194 INFO [stderr]    |
Dec 12 00:06:37.194 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:06:37.194 INFO [stderr] 
Dec 12 00:06:37.253 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
Dec 12 00:06:37.259 INFO [stderr] su: No module specific data is present
Dec 12 00:06:38.600 INFO running `"docker" "inspect" "53c7e61204937bb51c5ddf316310a807e56256f8cda3f24b6c4b65dad8ccccd7"`
Dec 12 00:06:38.882 INFO running `"docker" "rm" "-f" "53c7e61204937bb51c5ddf316310a807e56256f8cda3f24b6c4b65dad8ccccd7"`
Dec 12 00:06:39.160 INFO [stdout] 53c7e61204937bb51c5ddf316310a807e56256f8cda3f24b6c4b65dad8ccccd7