Nov 28 18:17:59.310 INFO checking serde-xml-rs-0.2.1 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 18:17:59.310 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 18:17:59.702 INFO [stdout] f6777dc2a25da57d9baa8436b6fcf1f4e8c064ca906287db8a124ff753e76f74
Nov 28 18:17:59.710 INFO running `"docker" "start" "-a" "f6777dc2a25da57d9baa8436b6fcf1f4e8c064ca906287db8a124ff753e76f74"`
Nov 28 18:18:00.839 INFO [stderr] usermod: no changes
Nov 28 18:18:00.956 INFO [stderr]     Checking serde-xml-rs v0.2.1 (/source)
Nov 28 18:18:02.524 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:18:02.525 INFO [stderr]   --> src/serialize.rs:89:23
Nov 28 18:18:02.525 INFO [stderr]    |
Nov 28 18:18:02.525 INFO [stderr] 89 |     fn serialize_bool(mut self, v: bool) -> Result<Self::Ok, Self::Error> {
Nov 28 18:18:02.528 INFO [stderr]    |                       ----^^^^
Nov 28 18:18:02.528 INFO [stderr]    |                       |
Nov 28 18:18:02.528 INFO [stderr]    |                       help: remove this `mut`
Nov 28 18:18:02.528 INFO [stderr]    |
Nov 28 18:18:02.528 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 18:18:02.528 INFO [stderr] 
Nov 28 18:18:02.861 INFO [stderr] warning: variable does not need to be mutable
Nov 28 18:18:02.861 INFO [stderr]   --> src/serialize.rs:89:23
Nov 28 18:18:02.861 INFO [stderr]    |
Nov 28 18:18:02.861 INFO [stderr] 89 |     fn serialize_bool(mut self, v: bool) -> Result<Self::Ok, Self::Error> {
Nov 28 18:18:02.862 INFO [stderr]    |                       ----^^^^
Nov 28 18:18:02.862 INFO [stderr]    |                       |
Nov 28 18:18:02.862 INFO [stderr]    |                       help: remove this `mut`
Nov 28 18:18:02.863 INFO [stderr]    |
Nov 28 18:18:02.863 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 18:18:02.863 INFO [stderr] 
Nov 28 18:18:07.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
Nov 28 18:18:07.377 INFO [stderr] su: No module specific data is present
Nov 28 18:18:07.979 INFO running `"docker" "inspect" "f6777dc2a25da57d9baa8436b6fcf1f4e8c064ca906287db8a124ff753e76f74"`
Nov 28 18:18:08.278 INFO running `"docker" "rm" "-f" "f6777dc2a25da57d9baa8436b6fcf1f4e8c064ca906287db8a124ff753e76f74"`
Nov 28 18:18:08.684 INFO [stdout] f6777dc2a25da57d9baa8436b6fcf1f4e8c064ca906287db8a124ff753e76f74