Dec 05 06:28:48.820 INFO checking snoot-0.1.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 06:28:48.821 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 06:28:49.076 INFO [stdout] 9a0a95268d3829cbf9f8aaf81859b69efea67f7a03ffd27ff82f1b2d2bf20567
Dec 05 06:28:49.078 INFO running `"docker" "start" "-a" "9a0a95268d3829cbf9f8aaf81859b69efea67f7a03ffd27ff82f1b2d2bf20567"`
Dec 05 06:28:50.327 INFO [stderr] usermod: no changes
Dec 05 06:28:50.511 INFO [stderr]     Checking snoot v0.1.2 (/source)
Dec 05 06:28:54.658 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:54.658 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Dec 05 06:28:54.658 INFO [stderr]     |
Dec 05 06:28:54.658 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Dec 05 06:28:54.658 INFO [stderr]     |                             ----^^^^
Dec 05 06:28:54.658 INFO [stderr]     |                             |
Dec 05 06:28:54.658 INFO [stderr]     |                             help: remove this `mut`
Dec 05 06:28:54.658 INFO [stderr]     |
Dec 05 06:28:54.658 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:28:54.658 INFO [stderr] 
Dec 05 06:28:54.667 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:54.667 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Dec 05 06:28:54.667 INFO [stderr]     |
Dec 05 06:28:54.667 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Dec 05 06:28:54.667 INFO [stderr]     |                                    ----^^^^
Dec 05 06:28:54.667 INFO [stderr]     |                                    |
Dec 05 06:28:54.667 INFO [stderr]     |                                    help: remove this `mut`
Dec 05 06:28:54.667 INFO [stderr] 
Dec 05 06:28:54.667 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:54.667 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Dec 05 06:28:54.667 INFO [stderr]     |
Dec 05 06:28:54.667 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Dec 05 06:28:54.667 INFO [stderr]     |                              ----^^^^
Dec 05 06:28:54.667 INFO [stderr]     |                              |
Dec 05 06:28:54.667 INFO [stderr]     |                              help: remove this `mut`
Dec 05 06:28:54.667 INFO [stderr] 
Dec 05 06:28:55.403 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:55.403 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Dec 05 06:28:55.403 INFO [stderr]     |
Dec 05 06:28:55.403 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Dec 05 06:28:55.403 INFO [stderr]     |                             ----^^^^
Dec 05 06:28:55.403 INFO [stderr]     |                             |
Dec 05 06:28:55.403 INFO [stderr]     |                             help: remove this `mut`
Dec 05 06:28:55.403 INFO [stderr]     |
Dec 05 06:28:55.403 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:28:55.403 INFO [stderr] 
Dec 05 06:28:55.407 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:55.407 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Dec 05 06:28:55.407 INFO [stderr]     |
Dec 05 06:28:55.407 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Dec 05 06:28:55.407 INFO [stderr]     |                                    ----^^^^
Dec 05 06:28:55.407 INFO [stderr]     |                                    |
Dec 05 06:28:55.407 INFO [stderr]     |                                    help: remove this `mut`
Dec 05 06:28:55.407 INFO [stderr] 
Dec 05 06:28:55.415 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:55.415 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Dec 05 06:28:55.415 INFO [stderr]     |
Dec 05 06:28:55.415 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Dec 05 06:28:55.415 INFO [stderr]     |                              ----^^^^
Dec 05 06:28:55.415 INFO [stderr]     |                              |
Dec 05 06:28:55.415 INFO [stderr]     |                              help: remove this `mut`
Dec 05 06:28:55.415 INFO [stderr] 
Dec 05 06:28:58.338 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
Dec 05 06:28:58.351 INFO [stderr] su: No module specific data is present
Dec 05 06:28:59.295 INFO running `"docker" "inspect" "9a0a95268d3829cbf9f8aaf81859b69efea67f7a03ffd27ff82f1b2d2bf20567"`
Dec 05 06:28:59.648 INFO running `"docker" "rm" "-f" "9a0a95268d3829cbf9f8aaf81859b69efea67f7a03ffd27ff82f1b2d2bf20567"`
Dec 05 06:29:00.071 INFO [stdout] 9a0a95268d3829cbf9f8aaf81859b69efea67f7a03ffd27ff82f1b2d2bf20567