Nov 28 17:48:59.094 INFO checking snoot-0.1.2 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 17:48:59.094 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 17:48:59.496 INFO [stdout] 712626ea823fa6a8b7dd50591700e79164456977d62facf1ffbae7b6c0d486e0
Nov 28 17:48:59.502 INFO running `"docker" "start" "-a" "712626ea823fa6a8b7dd50591700e79164456977d62facf1ffbae7b6c0d486e0"`
Nov 28 17:49:00.884 INFO [stderr] usermod: no changes
Nov 28 17:49:01.054 INFO [stderr]     Checking utf-8 v0.6.0
Nov 28 17:49:01.779 INFO [stderr]     Checking tendril v0.2.4
Nov 28 17:49:03.449 INFO [stderr]     Checking snoot v0.1.2 (/source)
Nov 28 17:49:07.892 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:07.893 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Nov 28 17:49:07.893 INFO [stderr]     |
Nov 28 17:49:07.893 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Nov 28 17:49:07.894 INFO [stderr]     |                             ----^^^^
Nov 28 17:49:07.894 INFO [stderr]     |                             |
Nov 28 17:49:07.894 INFO [stderr]     |                             help: remove this `mut`
Nov 28 17:49:07.894 INFO [stderr]     |
Nov 28 17:49:07.895 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:49:07.895 INFO [stderr] 
Nov 28 17:49:07.895 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:07.895 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Nov 28 17:49:07.896 INFO [stderr]     |
Nov 28 17:49:07.896 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Nov 28 17:49:07.896 INFO [stderr]     |                                    ----^^^^
Nov 28 17:49:07.896 INFO [stderr]     |                                    |
Nov 28 17:49:07.897 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 17:49:07.897 INFO [stderr] 
Nov 28 17:49:07.897 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:07.897 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Nov 28 17:49:07.898 INFO [stderr]     |
Nov 28 17:49:07.898 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Nov 28 17:49:07.898 INFO [stderr]     |                              ----^^^^
Nov 28 17:49:07.898 INFO [stderr]     |                              |
Nov 28 17:49:07.898 INFO [stderr]     |                              help: remove this `mut`
Nov 28 17:49:07.899 INFO [stderr] 
Nov 28 17:49:09.172 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:09.172 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Nov 28 17:49:09.172 INFO [stderr]     |
Nov 28 17:49:09.172 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Nov 28 17:49:09.172 INFO [stderr]     |                             ----^^^^
Nov 28 17:49:09.172 INFO [stderr]     |                             |
Nov 28 17:49:09.172 INFO [stderr]     |                             help: remove this `mut`
Nov 28 17:49:09.172 INFO [stderr]     |
Nov 28 17:49:09.172 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:49:09.172 INFO [stderr] 
Nov 28 17:49:09.193 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:09.193 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Nov 28 17:49:09.193 INFO [stderr]     |
Nov 28 17:49:09.193 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Nov 28 17:49:09.193 INFO [stderr]     |                                    ----^^^^
Nov 28 17:49:09.193 INFO [stderr]     |                                    |
Nov 28 17:49:09.193 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 17:49:09.193 INFO [stderr] 
Nov 28 17:49:09.204 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:09.204 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Nov 28 17:49:09.204 INFO [stderr]     |
Nov 28 17:49:09.204 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Nov 28 17:49:09.204 INFO [stderr]     |                              ----^^^^
Nov 28 17:49:09.204 INFO [stderr]     |                              |
Nov 28 17:49:09.204 INFO [stderr]     |                              help: remove this `mut`
Nov 28 17:49:09.204 INFO [stderr] 
Nov 28 17:49:11.353 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.41s
Nov 28 17:49:11.353 INFO [stderr] su: No module specific data is present
Nov 28 17:49:11.845 INFO running `"docker" "inspect" "712626ea823fa6a8b7dd50591700e79164456977d62facf1ffbae7b6c0d486e0"`
Nov 28 17:49:12.167 INFO running `"docker" "rm" "-f" "712626ea823fa6a8b7dd50591700e79164456977d62facf1ffbae7b6c0d486e0"`
Nov 28 17:49:12.476 INFO [stdout] 712626ea823fa6a8b7dd50591700e79164456977d62facf1ffbae7b6c0d486e0