Sep 21 03:19:59.904 INFO checking serde-xml-rs-0.2.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 03:19:59.904 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 03:19:59.904 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 03:20:00.076 INFO blam! 762d8a718ee04362014271eef53c7a2f5ead38dbe1b177aaf97dbec7ea89a27a
Sep 21 03:20:00.078 INFO running `"docker" "start" "-a" "762d8a718ee04362014271eef53c7a2f5ead38dbe1b177aaf97dbec7ea89a27a"`
Sep 21 03:20:00.957 INFO kablam! usermod: no changes
Sep 21 03:20:01.004 INFO kablam!     Checking serde-xml-rs v0.2.1 (/source)
Sep 21 03:20:01.547 INFO kablam! warning: variable does not need to be mutable
Sep 21 03:20:01.547 INFO kablam!   --> src/serialize.rs:89:23
Sep 21 03:20:01.547 INFO kablam!    |
Sep 21 03:20:01.547 INFO kablam! 89 |     fn serialize_bool(mut self, v: bool) -> Result<Self::Ok, Self::Error> {
Sep 21 03:20:01.547 INFO kablam!    |                       ----^^^^
Sep 21 03:20:01.547 INFO kablam!    |                       |
Sep 21 03:20:01.547 INFO kablam!    |                       help: remove this `mut`
Sep 21 03:20:01.547 INFO kablam!    |
Sep 21 03:20:01.547 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 03:20:01.547 INFO kablam! 
Sep 21 03:20:01.639 INFO kablam! warning: variable does not need to be mutable
Sep 21 03:20:01.639 INFO kablam!   --> src/serialize.rs:89:23
Sep 21 03:20:01.639 INFO kablam!    |
Sep 21 03:20:01.639 INFO kablam! 89 |     fn serialize_bool(mut self, v: bool) -> Result<Self::Ok, Self::Error> {
Sep 21 03:20:01.639 INFO kablam!    |                       ----^^^^
Sep 21 03:20:01.639 INFO kablam!    |                       |
Sep 21 03:20:01.639 INFO kablam!    |                       help: remove this `mut`
Sep 21 03:20:01.639 INFO kablam!    |
Sep 21 03:20:01.639 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 03:20:01.639 INFO kablam! 
Sep 21 03:20:03.811 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
Sep 21 03:20:03.816 INFO kablam! su: No module specific data is present
Sep 21 03:20:04.588 INFO running `"docker" "rm" "-f" "762d8a718ee04362014271eef53c7a2f5ead38dbe1b177aaf97dbec7ea89a27a"`
Sep 21 03:20:04.659 INFO blam! 762d8a718ee04362014271eef53c7a2f5ead38dbe1b177aaf97dbec7ea89a27a