Nov 30 15:51:33.086 INFO checking sea-canal-0.3.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 15:51:33.086 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 15:51:33.341 INFO [stdout] 016ca1ce1db66b3dbd83e6c60931797e2b78e8cde70d41524f44a97953abbe52
Nov 30 15:51:33.343 INFO running `"docker" "start" "-a" "016ca1ce1db66b3dbd83e6c60931797e2b78e8cde70d41524f44a97953abbe52"`
Nov 30 15:51:33.978 INFO [stderr] usermod: no changes
Nov 30 15:51:34.016 INFO [stderr]     Checking sea-canal v0.3.0 (/source)
Nov 30 15:51:35.032 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:51:35.032 INFO [stderr]   --> src/pattern.rs:68:19
Nov 30 15:51:35.032 INFO [stderr]    |
Nov 30 15:51:35.032 INFO [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Nov 30 15:51:35.032 INFO [stderr]    |                   ----^^^
Nov 30 15:51:35.032 INFO [stderr]    |                   |
Nov 30 15:51:35.032 INFO [stderr]    |                   help: remove this `mut`
Nov 30 15:51:35.032 INFO [stderr]    |
Nov 30 15:51:35.032 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 15:51:35.032 INFO [stderr] 
Nov 30 15:51:35.045 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:51:35.045 INFO [stderr]    --> src/pattern.rs:160:19
Nov 30 15:51:35.045 INFO [stderr]     |
Nov 30 15:51:35.045 INFO [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Nov 30 15:51:35.045 INFO [stderr]     |                   ----^^^
Nov 30 15:51:35.045 INFO [stderr]     |                   |
Nov 30 15:51:35.045 INFO [stderr]     |                   help: remove this `mut`
Nov 30 15:51:35.045 INFO [stderr] 
Nov 30 15:51:35.452 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:51:35.452 INFO [stderr]   --> src/pattern.rs:68:19
Nov 30 15:51:35.452 INFO [stderr]    |
Nov 30 15:51:35.452 INFO [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Nov 30 15:51:35.452 INFO [stderr]    |                   ----^^^
Nov 30 15:51:35.452 INFO [stderr]    |                   |
Nov 30 15:51:35.452 INFO [stderr]    |                   help: remove this `mut`
Nov 30 15:51:35.452 INFO [stderr]    |
Nov 30 15:51:35.452 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 15:51:35.452 INFO [stderr] 
Nov 30 15:51:35.464 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:51:35.464 INFO [stderr]    --> src/pattern.rs:160:19
Nov 30 15:51:35.464 INFO [stderr]     |
Nov 30 15:51:35.464 INFO [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
Nov 30 15:51:35.464 INFO [stderr]     |                   ----^^^
Nov 30 15:51:35.464 INFO [stderr]     |                   |
Nov 30 15:51:35.464 INFO [stderr]     |                   help: remove this `mut`
Nov 30 15:51:35.464 INFO [stderr] 
Nov 30 15:51:36.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
Nov 30 15:51:36.436 INFO [stderr] su: No module specific data is present
Nov 30 15:51:36.763 INFO running `"docker" "inspect" "016ca1ce1db66b3dbd83e6c60931797e2b78e8cde70d41524f44a97953abbe52"`
Nov 30 15:51:36.891 INFO running `"docker" "rm" "-f" "016ca1ce1db66b3dbd83e6c60931797e2b78e8cde70d41524f44a97953abbe52"`
Nov 30 15:51:37.082 INFO [stdout] 016ca1ce1db66b3dbd83e6c60931797e2b78e8cde70d41524f44a97953abbe52