Nov 28 17:48:58.657 INFO checking snoot-0.1.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 17:48:58.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 17:48:59.112 INFO [stdout] 2b56a42942d17c87696cac2c9fdf57f4ce931f8fd30d145835323a0e42634f6d
Nov 28 17:48:59.118 INFO running `"docker" "start" "-a" "2b56a42942d17c87696cac2c9fdf57f4ce931f8fd30d145835323a0e42634f6d"`
Nov 28 17:49:00.239 INFO [stderr] usermod: no changes
Nov 28 17:49:00.460 INFO [stderr]     Checking snoot v0.1.2 (/source)
Nov 28 17:49:05.244 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:05.244 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Nov 28 17:49:05.244 INFO [stderr]     |
Nov 28 17:49:05.244 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Nov 28 17:49:05.244 INFO [stderr]     |                             ----^^^^
Nov 28 17:49:05.244 INFO [stderr]     |                             |
Nov 28 17:49:05.244 INFO [stderr]     |                             help: remove this `mut`
Nov 28 17:49:05.244 INFO [stderr]     |
Nov 28 17:49:05.244 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:49:05.244 INFO [stderr] 
Nov 28 17:49:05.252 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:05.252 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Nov 28 17:49:05.252 INFO [stderr]     |
Nov 28 17:49:05.252 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Nov 28 17:49:05.252 INFO [stderr]     |                                    ----^^^^
Nov 28 17:49:05.252 INFO [stderr]     |                                    |
Nov 28 17:49:05.252 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 17:49:05.252 INFO [stderr] 
Nov 28 17:49:05.272 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:05.272 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Nov 28 17:49:05.272 INFO [stderr]     |
Nov 28 17:49:05.272 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Nov 28 17:49:05.272 INFO [stderr]     |                              ----^^^^
Nov 28 17:49:05.272 INFO [stderr]     |                              |
Nov 28 17:49:05.272 INFO [stderr]     |                              help: remove this `mut`
Nov 28 17:49:05.272 INFO [stderr] 
Nov 28 17:49:05.328 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:05.328 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Nov 28 17:49:05.328 INFO [stderr]     |
Nov 28 17:49:05.328 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Nov 28 17:49:05.328 INFO [stderr]     |                             ----^^^^
Nov 28 17:49:05.328 INFO [stderr]     |                             |
Nov 28 17:49:05.328 INFO [stderr]     |                             help: remove this `mut`
Nov 28 17:49:05.328 INFO [stderr]     |
Nov 28 17:49:05.328 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:49:05.328 INFO [stderr] 
Nov 28 17:49:05.340 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:05.340 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Nov 28 17:49:05.340 INFO [stderr]     |
Nov 28 17:49:05.340 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Nov 28 17:49:05.340 INFO [stderr]     |                                    ----^^^^
Nov 28 17:49:05.340 INFO [stderr]     |                                    |
Nov 28 17:49:05.340 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 17:49:05.340 INFO [stderr] 
Nov 28 17:49:05.356 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:49:05.356 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Nov 28 17:49:05.356 INFO [stderr]     |
Nov 28 17:49:05.356 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Nov 28 17:49:05.356 INFO [stderr]     |                              ----^^^^
Nov 28 17:49:05.356 INFO [stderr]     |                              |
Nov 28 17:49:05.356 INFO [stderr]     |                              help: remove this `mut`
Nov 28 17:49:05.356 INFO [stderr] 
Nov 28 17:49:09.284 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
Nov 28 17:49:09.290 INFO [stderr] su: No module specific data is present
Nov 28 17:49:09.889 INFO running `"docker" "inspect" "2b56a42942d17c87696cac2c9fdf57f4ce931f8fd30d145835323a0e42634f6d"`
Nov 28 17:49:10.192 INFO running `"docker" "rm" "-f" "2b56a42942d17c87696cac2c9fdf57f4ce931f8fd30d145835323a0e42634f6d"`
Nov 28 17:49:10.425 INFO [stdout] 2b56a42942d17c87696cac2c9fdf57f4ce931f8fd30d145835323a0e42634f6d