Dec 05 06:28:49.078 INFO checking snoot-0.1.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:28:49.078 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 06:28:49.507 INFO [stdout] 9d53f50dde5a1517ffdce3380da24287c424f704e38d527ac1d9f91a1a34697e
Dec 05 06:28:49.515 INFO running `"docker" "start" "-a" "9d53f50dde5a1517ffdce3380da24287c424f704e38d527ac1d9f91a1a34697e"`
Dec 05 06:28:51.002 INFO [stderr] usermod: no changes
Dec 05 06:28:51.167 INFO [stderr]     Checking utf-8 v0.6.0
Dec 05 06:28:51.167 INFO [stderr]     Checking serde_json v0.9.10
Dec 05 06:28:51.167 INFO [stderr]     Checking regex v0.2.11
Dec 05 06:28:52.144 INFO [stderr]     Checking tendril v0.2.4
Dec 05 06:28:55.715 INFO [stderr]     Checking snoot v0.1.2 (/source)
Dec 05 06:28:59.247 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:59.247 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Dec 05 06:28:59.247 INFO [stderr]     |
Dec 05 06:28:59.247 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Dec 05 06:28:59.247 INFO [stderr]     |                             ----^^^^
Dec 05 06:28:59.247 INFO [stderr]     |                             |
Dec 05 06:28:59.247 INFO [stderr]     |                             help: remove this `mut`
Dec 05 06:28:59.247 INFO [stderr]     |
Dec 05 06:28:59.247 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:28:59.247 INFO [stderr] 
Dec 05 06:28:59.294 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:59.295 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Dec 05 06:28:59.295 INFO [stderr]     |
Dec 05 06:28:59.295 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Dec 05 06:28:59.295 INFO [stderr]     |                                    ----^^^^
Dec 05 06:28:59.295 INFO [stderr]     |                                    |
Dec 05 06:28:59.295 INFO [stderr]     |                                    help: remove this `mut`
Dec 05 06:28:59.295 INFO [stderr] 
Dec 05 06:28:59.295 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:28:59.295 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Dec 05 06:28:59.295 INFO [stderr]     |
Dec 05 06:28:59.295 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Dec 05 06:28:59.295 INFO [stderr]     |                              ----^^^^
Dec 05 06:28:59.295 INFO [stderr]     |                              |
Dec 05 06:28:59.295 INFO [stderr]     |                              help: remove this `mut`
Dec 05 06:28:59.295 INFO [stderr] 
Dec 05 06:29:00.091 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:29:00.091 INFO [stderr]    --> src/serde_serialization/mod.rs:300:29
Dec 05 06:29:00.091 INFO [stderr]     |
Dec 05 06:29:00.091 INFO [stderr] 300 |     fn deserialize_tuple<V>(mut self, len: usize, visitor: V) -> Result<V::Value, Self::Error>
Dec 05 06:29:00.091 INFO [stderr]     |                             ----^^^^
Dec 05 06:29:00.091 INFO [stderr]     |                             |
Dec 05 06:29:00.091 INFO [stderr]     |                             help: remove this `mut`
Dec 05 06:29:00.091 INFO [stderr]     |
Dec 05 06:29:00.091 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 06:29:00.091 INFO [stderr] 
Dec 05 06:29:00.095 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:29:00.095 INFO [stderr]    --> src/serde_serialization/mod.rs:310:36
Dec 05 06:29:00.095 INFO [stderr]     |
Dec 05 06:29:00.095 INFO [stderr] 310 |     fn deserialize_tuple_struct<V>(mut self,
Dec 05 06:29:00.095 INFO [stderr]     |                                    ----^^^^
Dec 05 06:29:00.095 INFO [stderr]     |                                    |
Dec 05 06:29:00.096 INFO [stderr]     |                                    help: remove this `mut`
Dec 05 06:29:00.096 INFO [stderr] 
Dec 05 06:29:00.102 INFO [stderr] warning: variable does not need to be mutable
Dec 05 06:29:00.102 INFO [stderr]    --> src/serde_serialization/mod.rs:357:30
Dec 05 06:29:00.102 INFO [stderr]     |
Dec 05 06:29:00.102 INFO [stderr] 357 |     fn deserialize_struct<V>(mut self,
Dec 05 06:29:00.102 INFO [stderr]     |                              ----^^^^
Dec 05 06:29:00.102 INFO [stderr]     |                              |
Dec 05 06:29:00.102 INFO [stderr]     |                              help: remove this `mut`
Dec 05 06:29:00.102 INFO [stderr] 
Dec 05 06:29:02.778 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
Dec 05 06:29:02.784 INFO [stderr] su: No module specific data is present
Dec 05 06:29:04.062 INFO running `"docker" "inspect" "9d53f50dde5a1517ffdce3380da24287c424f704e38d527ac1d9f91a1a34697e"`
Dec 05 06:29:04.331 INFO running `"docker" "rm" "-f" "9d53f50dde5a1517ffdce3380da24287c424f704e38d527ac1d9f91a1a34697e"`
Dec 05 06:29:04.583 INFO [stdout] 9d53f50dde5a1517ffdce3380da24287c424f704e38d527ac1d9f91a1a34697e