Nov 28 18:39:12.098 INFO checking rusty_express-0.3.5 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 18:39:12.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 18:39:12.524 INFO [stdout] 66721fcfc09b562d878eaa437e315db398e38a191b93bc7dc0578f54e6bd52cf
Nov 28 18:39:12.527 INFO running `"docker" "start" "-a" "66721fcfc09b562d878eaa437e315db398e38a191b93bc7dc0578f54e6bd52cf"`
Nov 28 18:39:14.172 INFO [stderr] usermod: no changes
Nov 28 18:39:14.363 INFO [stderr]     Checking rusty_express v0.3.5 (/source)
Nov 28 18:39:19.857 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:39:19.857 INFO [stderr]    --> src/support/logger.rs:128:15
Nov 28 18:39:19.857 INFO [stderr]     |
Nov 28 18:39:19.858 INFO [stderr] 128 |     if let Ok(mut config) = CONFIG.read() {
Nov 28 18:39:19.858 INFO [stderr]     |               ----^^^^^^
Nov 28 18:39:19.860 INFO [stderr]     |               |
Nov 28 18:39:19.860 INFO [stderr]     |               help: remove this `mut`
Nov 28 18:39:19.861 INFO [stderr]     |
Nov 28 18:39:19.861 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 18:39:19.861 INFO [stderr] 
Nov 28 18:39:20.681 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:39:20.681 INFO [stderr]    --> src/support/logger.rs:128:15
Nov 28 18:39:20.681 INFO [stderr]     |
Nov 28 18:39:20.682 INFO [stderr] 128 |     if let Ok(mut config) = CONFIG.read() {
Nov 28 18:39:20.682 INFO [stderr]     |               ----^^^^^^
Nov 28 18:39:20.682 INFO [stderr]     |               |
Nov 28 18:39:20.683 INFO [stderr]     |               help: remove this `mut`
Nov 28 18:39:20.697 INFO [stderr]     |
Nov 28 18:39:20.697 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 18:39:20.697 INFO [stderr] 
Nov 28 18:39:28.236 INFO [stderr] warning: unused variable: `req`
Nov 28 18:39:28.236 INFO [stderr]   --> examples/simple_redirect.rs:19:24
Nov 28 18:39:28.236 INFO [stderr]    |
Nov 28 18:39:28.236 INFO [stderr] 19 | pub fn simple_response(req: &Box<Request>, resp: &mut Box<Response>) {
Nov 28 18:39:28.236 INFO [stderr]    |                        ^^^ help: consider using `_req` instead
Nov 28 18:39:28.236 INFO [stderr]    |
Nov 28 18:39:28.236 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 18:39:28.236 INFO [stderr] 
Nov 28 18:39:28.236 INFO [stderr] warning: unused variable: `req`
Nov 28 18:39:28.236 INFO [stderr]   --> examples/simple_redirect.rs:27:24
Nov 28 18:39:28.236 INFO [stderr]    |
Nov 28 18:39:28.236 INFO [stderr] 27 | pub fn simple_redirect(req: &Box<Request>, resp: &mut Box<Response>) {
Nov 28 18:39:28.236 INFO [stderr]    |                        ^^^ help: consider using `_req` instead
Nov 28 18:39:28.236 INFO [stderr] 
Nov 28 18:39:28.236 INFO [stderr] warning: unused variable: `req`
Nov 28 18:39:28.236 INFO [stderr]   --> examples/simple_redirect.rs:31:26
Nov 28 18:39:28.236 INFO [stderr]    |
Nov 28 18:39:28.237 INFO [stderr] 31 | pub fn simple_redir_fail(req: &Box<Request>, resp: &mut Box<Response>) {
Nov 28 18:39:28.237 INFO [stderr]    |                          ^^^ help: consider using `_req` instead
Nov 28 18:39:28.237 INFO [stderr] 
Nov 28 18:39:28.477 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.27s
Nov 28 18:39:28.485 INFO [stderr] su: No module specific data is present
Nov 28 18:39:29.377 INFO running `"docker" "inspect" "66721fcfc09b562d878eaa437e315db398e38a191b93bc7dc0578f54e6bd52cf"`
Nov 28 18:39:29.725 INFO running `"docker" "rm" "-f" "66721fcfc09b562d878eaa437e315db398e38a191b93bc7dc0578f54e6bd52cf"`
Nov 28 18:39:30.081 INFO [stdout] 66721fcfc09b562d878eaa437e315db398e38a191b93bc7dc0578f54e6bd52cf