Sep 14 08:49:11.181 INFO checking snoot-0.1.2 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 08:49:11.181 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 08:49:11.181 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 08:49:11.556 INFO blam! 2c689265d85115be0d329cbbd845cf4e437a4104620577bb4122184f705adebc
Sep 14 08:49:11.560 INFO running `"docker" "start" "-a" "2c689265d85115be0d329cbbd845cf4e437a4104620577bb4122184f705adebc"`
Sep 14 08:49:12.887 INFO kablam! usermod: no changes
Sep 14 08:49:13.042 INFO kablam!     Checking utf-8 v0.6.0
Sep 14 08:49:13.423 INFO kablam!     Checking tendril v0.2.4
Sep 14 08:49:14.371 INFO kablam!     Checking snoot v0.1.2 (file:///source)
Sep 14 08:49:16.047 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:49:16.047 INFO kablam!    --> src/serde_serialization/mod.rs:300:29
Sep 14 08:49:16.047 INFO kablam!     |
Sep 14 08:49:16.047 INFO kablam! 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Sep 14 08:49:16.047 INFO kablam!     |                             ----^^^^
Sep 14 08:49:16.047 INFO kablam!     |                             |
Sep 14 08:49:16.047 INFO kablam!     |                             help: remove this `mut`
Sep 14 08:49:16.047 INFO kablam!     |
Sep 14 08:49:16.047 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 08:49:16.047 INFO kablam! 
Sep 14 08:49:16.052 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:49:16.052 INFO kablam!    --> src/serde_serialization/mod.rs:310:36
Sep 14 08:49:16.052 INFO kablam!     |
Sep 14 08:49:16.052 INFO kablam! 310 |     fn deserialize_tuple_struct<V>(mut self,
Sep 14 08:49:16.052 INFO kablam!     |                                    ----^^^^
Sep 14 08:49:16.052 INFO kablam!     |                                    |
Sep 14 08:49:16.052 INFO kablam!     |                                    help: remove this `mut`
Sep 14 08:49:16.052 INFO kablam! 
Sep 14 08:49:16.060 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:49:16.060 INFO kablam!    --> src/serde_serialization/mod.rs:357:30
Sep 14 08:49:16.060 INFO kablam!     |
Sep 14 08:49:16.060 INFO kablam! 357 |     fn deserialize_struct<V>(mut self,
Sep 14 08:49:16.060 INFO kablam!     |                              ----^^^^
Sep 14 08:49:16.060 INFO kablam!     |                              |
Sep 14 08:49:16.060 INFO kablam!     |                              help: remove this `mut`
Sep 14 08:49:16.060 INFO kablam! 
Sep 14 08:49:16.718 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:49:16.718 INFO kablam!    --> src/serde_serialization/mod.rs:300:29
Sep 14 08:49:16.718 INFO kablam!     |
Sep 14 08:49:16.718 INFO kablam! 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Sep 14 08:49:16.718 INFO kablam!     |                             ----^^^^
Sep 14 08:49:16.718 INFO kablam!     |                             |
Sep 14 08:49:16.718 INFO kablam!     |                             help: remove this `mut`
Sep 14 08:49:16.718 INFO kablam!     |
Sep 14 08:49:16.718 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 08:49:16.718 INFO kablam! 
Sep 14 08:49:16.724 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:49:16.724 INFO kablam!    --> src/serde_serialization/mod.rs:310:36
Sep 14 08:49:16.724 INFO kablam!     |
Sep 14 08:49:16.724 INFO kablam! 310 |     fn deserialize_tuple_struct<V>(mut self,
Sep 14 08:49:16.724 INFO kablam!     |                                    ----^^^^
Sep 14 08:49:16.724 INFO kablam!     |                                    |
Sep 14 08:49:16.724 INFO kablam!     |                                    help: remove this `mut`
Sep 14 08:49:16.724 INFO kablam! 
Sep 14 08:49:16.732 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:49:16.732 INFO kablam!    --> src/serde_serialization/mod.rs:357:30
Sep 14 08:49:16.732 INFO kablam!     |
Sep 14 08:49:16.732 INFO kablam! 357 |     fn deserialize_struct<V>(mut self,
Sep 14 08:49:16.732 INFO kablam!     |                              ----^^^^
Sep 14 08:49:16.732 INFO kablam!     |                              |
Sep 14 08:49:16.732 INFO kablam!     |                              help: remove this `mut`
Sep 14 08:49:16.732 INFO kablam! 
Sep 14 08:49:17.154 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
Sep 14 08:49:17.159 INFO kablam! su: No module specific data is present
Sep 14 08:49:17.673 INFO running `"docker" "rm" "-f" "2c689265d85115be0d329cbbd845cf4e437a4104620577bb4122184f705adebc"`
Sep 14 08:49:17.839 INFO blam! 2c689265d85115be0d329cbbd845cf4e437a4104620577bb4122184f705adebc