Dec 12 08:49:19.421 INFO checking rotor-carbon-0.7.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 08:49:19.422 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 08:49:19.870 INFO [stdout] a92bebddd053a5a5e4132aa32ad1a1f9b7e191ce61633a09f4bfe7a98a393529
Dec 12 08:49:19.874 INFO running `"docker" "start" "-a" "a92bebddd053a5a5e4132aa32ad1a1f9b7e191ce61633a09f4bfe7a98a393529"`
Dec 12 08:49:21.296 INFO [stderr] usermod: no changes
Dec 12 08:49:21.456 INFO [stderr]     Checking rotor-carbon v0.7.0 (/source)
Dec 12 08:49:25.008 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:49:25.008 INFO [stderr]   --> src/sender.rs:19:17
Dec 12 08:49:25.008 INFO [stderr]    |
Dec 12 08:49:25.008 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 12 08:49:25.008 INFO [stderr]    |                 ----^^^
Dec 12 08:49:25.008 INFO [stderr]    |                 |
Dec 12 08:49:25.009 INFO [stderr]    |                 help: remove this `mut`
Dec 12 08:49:25.009 INFO [stderr]    |
Dec 12 08:49:25.009 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 08:49:25.009 INFO [stderr] 
Dec 12 08:49:25.009 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:49:25.009 INFO [stderr]   --> src/sender.rs:19:17
Dec 12 08:49:25.009 INFO [stderr]    |
Dec 12 08:49:25.009 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 12 08:49:25.009 INFO [stderr]    |                 ----^^^
Dec 12 08:49:25.009 INFO [stderr]    |                 |
Dec 12 08:49:25.009 INFO [stderr]    |                 help: remove this `mut`
Dec 12 08:49:25.009 INFO [stderr] 
Dec 12 08:49:25.009 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:49:25.009 INFO [stderr]   --> src/sender.rs:32:17
Dec 12 08:49:25.009 INFO [stderr]    |
Dec 12 08:49:25.009 INFO [stderr] 32 |             let mut buf = trans.output();
Dec 12 08:49:25.009 INFO [stderr]    |                 ----^^^
Dec 12 08:49:25.009 INFO [stderr]    |                 |
Dec 12 08:49:25.009 INFO [stderr]    |                 help: remove this `mut`
Dec 12 08:49:25.009 INFO [stderr] 
Dec 12 08:49:25.166 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:49:25.166 INFO [stderr]   --> src/sender.rs:19:17
Dec 12 08:49:25.167 INFO [stderr]    |
Dec 12 08:49:25.167 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 12 08:49:25.167 INFO [stderr]    |                 ----^^^
Dec 12 08:49:25.168 INFO [stderr]    |                 |
Dec 12 08:49:25.168 INFO [stderr]    |                 help: remove this `mut`
Dec 12 08:49:25.168 INFO [stderr]    |
Dec 12 08:49:25.169 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 08:49:25.169 INFO [stderr] 
Dec 12 08:49:25.169 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:49:25.169 INFO [stderr]   --> src/sender.rs:19:17
Dec 12 08:49:25.170 INFO [stderr]    |
Dec 12 08:49:25.170 INFO [stderr] 19 |             let mut buf = trans.output();
Dec 12 08:49:25.170 INFO [stderr]    |                 ----^^^
Dec 12 08:49:25.171 INFO [stderr]    |                 |
Dec 12 08:49:25.171 INFO [stderr]    |                 help: remove this `mut`
Dec 12 08:49:25.171 INFO [stderr] 
Dec 12 08:49:25.171 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:49:25.171 INFO [stderr]   --> src/sender.rs:32:17
Dec 12 08:49:25.171 INFO [stderr]    |
Dec 12 08:49:25.171 INFO [stderr] 32 |             let mut buf = trans.output();
Dec 12 08:49:25.171 INFO [stderr]    |                 ----^^^
Dec 12 08:49:25.171 INFO [stderr]    |                 |
Dec 12 08:49:25.171 INFO [stderr]    |                 help: remove this `mut`
Dec 12 08:49:25.171 INFO [stderr] 
Dec 12 08:49:28.020 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
Dec 12 08:49:28.026 INFO [stderr] su: No module specific data is present
Dec 12 08:49:28.688 INFO running `"docker" "inspect" "a92bebddd053a5a5e4132aa32ad1a1f9b7e191ce61633a09f4bfe7a98a393529"`
Dec 12 08:49:28.926 INFO running `"docker" "rm" "-f" "a92bebddd053a5a5e4132aa32ad1a1f9b7e191ce61633a09f4bfe7a98a393529"`
Dec 12 08:49:29.082 INFO [stdout] a92bebddd053a5a5e4132aa32ad1a1f9b7e191ce61633a09f4bfe7a98a393529