Dec 07 00:11:36.402 INFO testing rusty_express-0.3.5 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 00:11:36.403 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 07 00:11:36.856 INFO [stdout] ad62836cbbb612283bf5ec65b1204cf78a3d3541bb660340cf4b02a81c758efd
Dec 07 00:11:36.858 INFO running `"docker" "start" "-a" "ad62836cbbb612283bf5ec65b1204cf78a3d3541bb660340cf4b02a81c758efd"`
Dec 07 00:11:38.767 INFO [stderr] usermod: no changes
Dec 07 00:11:38.971 INFO [stderr]    Compiling rusty_express v0.3.5 (/source)
Dec 07 00:11:41.651 INFO [stderr] warning: variable does not need to be mutable
Dec 07 00:11:41.651 INFO [stderr]    --> src/support/logger.rs:128:15
Dec 07 00:11:41.651 INFO [stderr]     |
Dec 07 00:11:41.651 INFO [stderr] 128 |     if let Ok(mut config) = CONFIG.read() {
Dec 07 00:11:41.652 INFO [stderr]     |               ----^^^^^^
Dec 07 00:11:41.652 INFO [stderr]     |               |
Dec 07 00:11:41.652 INFO [stderr]     |               help: remove this `mut`
Dec 07 00:11:41.652 INFO [stderr]     |
Dec 07 00:11:41.653 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 00:11:41.653 INFO [stderr] 
Dec 07 00:11:51.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.76s
Dec 07 00:11:51.566 INFO [stderr] su: No module specific data is present
Dec 07 00:11:52.314 INFO running `"docker" "inspect" "ad62836cbbb612283bf5ec65b1204cf78a3d3541bb660340cf4b02a81c758efd"`
Dec 07 00:11:52.630 INFO running `"docker" "rm" "-f" "ad62836cbbb612283bf5ec65b1204cf78a3d3541bb660340cf4b02a81c758efd"`
Dec 07 00:11:52.968 INFO [stdout] ad62836cbbb612283bf5ec65b1204cf78a3d3541bb660340cf4b02a81c758efd
Dec 07 00:11:52.972 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 07 00:11:53.346 INFO [stdout] c68daff0a4b2106b3316da509d73a8ad64a86c96e30dbb4c1764ecf7ce3990e3
Dec 07 00:11:53.350 INFO running `"docker" "start" "-a" "c68daff0a4b2106b3316da509d73a8ad64a86c96e30dbb4c1764ecf7ce3990e3"`
Dec 07 00:11:54.740 INFO [stderr] usermod: no changes
Dec 07 00:11:54.905 INFO [stderr]    Compiling rusty_express v0.3.5 (/source)
Dec 07 00:12:02.040 INFO [stderr] warning: unused variable: `req`
Dec 07 00:12:02.041 INFO [stderr]   --> examples/simple_redirect.rs:19:24
Dec 07 00:12:02.041 INFO [stderr]    |
Dec 07 00:12:02.041 INFO [stderr] 19 | pub fn simple_response(req: &Box<Request>, resp: &mut Box<Response>) {
Dec 07 00:12:02.041 INFO [stderr]    |                        ^^^ help: consider using `_req` instead
Dec 07 00:12:02.042 INFO [stderr]    |
Dec 07 00:12:02.042 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 00:12:02.042 INFO [stderr] 
Dec 07 00:12:02.042 INFO [stderr] warning: unused variable: `req`
Dec 07 00:12:02.043 INFO [stderr]   --> examples/simple_redirect.rs:27:24
Dec 07 00:12:02.043 INFO [stderr]    |
Dec 07 00:12:02.043 INFO [stderr] 27 | pub fn simple_redirect(req: &Box<Request>, resp: &mut Box<Response>) {
Dec 07 00:12:02.043 INFO [stderr]    |                        ^^^ help: consider using `_req` instead
Dec 07 00:12:02.044 INFO [stderr] 
Dec 07 00:12:02.044 INFO [stderr] warning: unused variable: `req`
Dec 07 00:12:02.044 INFO [stderr]   --> examples/simple_redirect.rs:31:26
Dec 07 00:12:02.044 INFO [stderr]    |
Dec 07 00:12:02.045 INFO [stderr] 31 | pub fn simple_redir_fail(req: &Box<Request>, resp: &mut Box<Response>) {
Dec 07 00:12:02.045 INFO [stderr]    |                          ^^^ help: consider using `_req` instead
Dec 07 00:12:02.045 INFO [stderr] 
Dec 07 00:12:05.024 INFO [stderr] warning: variable does not need to be mutable
Dec 07 00:12:05.024 INFO [stderr]    --> src/support/logger.rs:128:15
Dec 07 00:12:05.024 INFO [stderr]     |
Dec 07 00:12:05.024 INFO [stderr] 128 |     if let Ok(mut config) = CONFIG.read() {
Dec 07 00:12:05.024 INFO [stderr]     |               ----^^^^^^
Dec 07 00:12:05.024 INFO [stderr]     |               |
Dec 07 00:12:05.024 INFO [stderr]     |               help: remove this `mut`
Dec 07 00:12:05.024 INFO [stderr]     |
Dec 07 00:12:05.024 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 00:12:05.024 INFO [stderr] 
Dec 07 00:12:09.337 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.57s
Dec 07 00:12:09.351 INFO [stderr] su: No module specific data is present
Dec 07 00:12:10.950 INFO running `"docker" "inspect" "c68daff0a4b2106b3316da509d73a8ad64a86c96e30dbb4c1764ecf7ce3990e3"`
Dec 07 00:12:11.218 INFO running `"docker" "rm" "-f" "c68daff0a4b2106b3316da509d73a8ad64a86c96e30dbb4c1764ecf7ce3990e3"`
Dec 07 00:12:11.509 INFO [stdout] c68daff0a4b2106b3316da509d73a8ad64a86c96e30dbb4c1764ecf7ce3990e3