Nov 30 15:17:37.529 INFO checking snoot-0.1.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 15:17:37.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 15:17:37.970 INFO [stdout] 71d48bce483dc52b2036e0c8007ee577da0c662d526a1fdfba40b24938bdcedd
Nov 30 15:17:37.972 INFO running `"docker" "start" "-a" "71d48bce483dc52b2036e0c8007ee577da0c662d526a1fdfba40b24938bdcedd"`
Nov 30 15:17:40.004 INFO [stderr] usermod: no changes
Nov 30 15:17:40.204 INFO [stderr]     Checking utf-8 v0.6.0
Nov 30 15:17:40.930 INFO [stderr]     Checking tendril v0.2.4
Nov 30 15:17:42.616 INFO [stderr]     Checking snoot v0.1.2 (/source)
Nov 30 15:17:46.092 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:17:46.092 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Nov 30 15:17:46.092 INFO [stderr]     |
Nov 30 15:17:46.092 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Nov 30 15:17:46.092 INFO [stderr]     |                             ----^^^^
Nov 30 15:17:46.092 INFO [stderr]     |                             |
Nov 30 15:17:46.092 INFO [stderr]     |                             help: remove this `mut`
Nov 30 15:17:46.092 INFO [stderr]     |
Nov 30 15:17:46.092 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:17:46.092 INFO [stderr] 
Nov 30 15:17:46.092 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:17:46.092 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Nov 30 15:17:46.092 INFO [stderr]     |
Nov 30 15:17:46.092 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Nov 30 15:17:46.092 INFO [stderr]     |                                    ----^^^^
Nov 30 15:17:46.092 INFO [stderr]     |                                    |
Nov 30 15:17:46.092 INFO [stderr]     |                                    help: remove this `mut`
Nov 30 15:17:46.092 INFO [stderr] 
Nov 30 15:17:46.108 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:17:46.108 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Nov 30 15:17:46.108 INFO [stderr]     |
Nov 30 15:17:46.108 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Nov 30 15:17:46.108 INFO [stderr]     |                              ----^^^^
Nov 30 15:17:46.108 INFO [stderr]     |                              |
Nov 30 15:17:46.108 INFO [stderr]     |                              help: remove this `mut`
Nov 30 15:17:46.108 INFO [stderr] 
Nov 30 15:17:46.808 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:17:46.808 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Nov 30 15:17:46.808 INFO [stderr]     |
Nov 30 15:17:46.808 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Nov 30 15:17:46.808 INFO [stderr]     |                             ----^^^^
Nov 30 15:17:46.808 INFO [stderr]     |                             |
Nov 30 15:17:46.808 INFO [stderr]     |                             help: remove this `mut`
Nov 30 15:17:46.808 INFO [stderr]     |
Nov 30 15:17:46.808 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:17:46.808 INFO [stderr] 
Nov 30 15:17:46.816 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:17:46.816 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Nov 30 15:17:46.816 INFO [stderr]     |
Nov 30 15:17:46.816 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Nov 30 15:17:46.816 INFO [stderr]     |                                    ----^^^^
Nov 30 15:17:46.816 INFO [stderr]     |                                    |
Nov 30 15:17:46.816 INFO [stderr]     |                                    help: remove this `mut`
Nov 30 15:17:46.816 INFO [stderr] 
Nov 30 15:17:46.824 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:17:46.824 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Nov 30 15:17:46.824 INFO [stderr]     |
Nov 30 15:17:46.824 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Nov 30 15:17:46.824 INFO [stderr]     |                              ----^^^^
Nov 30 15:17:46.824 INFO [stderr]     |                              |
Nov 30 15:17:46.824 INFO [stderr]     |                              help: remove this `mut`
Nov 30 15:17:46.824 INFO [stderr] 
Nov 30 15:17:49.064 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.03s
Nov 30 15:17:49.111 INFO [stderr] su: No module specific data is present
Nov 30 15:17:49.566 INFO running `"docker" "inspect" "71d48bce483dc52b2036e0c8007ee577da0c662d526a1fdfba40b24938bdcedd"`
Nov 30 15:17:49.818 INFO running `"docker" "rm" "-f" "71d48bce483dc52b2036e0c8007ee577da0c662d526a1fdfba40b24938bdcedd"`
Nov 30 15:17:50.176 INFO [stdout] 71d48bce483dc52b2036e0c8007ee577da0c662d526a1fdfba40b24938bdcedd