Oct 12 10:17:43.746 INFO checking ymmtmdk/shadow_cost_rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:17:43.747 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 10:17:44.343 INFO blam! b326dc915215c62eea7a5e91a9ae65aca445ab7de362736de3af5fed1f2ad3a1
Oct 12 10:17:44.343 INFO running `"docker" "start" "-a" "b326dc915215c62eea7a5e91a9ae65aca445ab7de362736de3af5fed1f2ad3a1"`
Oct 12 10:17:45.440 INFO kablam! usermod: no changes
Oct 12 10:17:45.493 INFO kablam!     Checking shadow_cost_rust v0.1.0 (/source)
Oct 12 10:17:46.073 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:17:46.073 INFO kablam!    --> src/lib.rs:294:17
Oct 12 10:17:46.073 INFO kablam!     |
Oct 12 10:17:46.073 INFO kablam! 294 |             let mut t = self.cache.get_mut(key).unwrap();
Oct 12 10:17:46.073 INFO kablam!     |                 ----^
Oct 12 10:17:46.073 INFO kablam!     |                 |
Oct 12 10:17:46.073 INFO kablam!     |                 help: remove this `mut`
Oct 12 10:17:46.073 INFO kablam!     |
Oct 12 10:17:46.073 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 10:17:46.073 INFO kablam! 
Oct 12 10:17:46.444 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:17:46.444 INFO kablam!    --> src/lib.rs:294:17
Oct 12 10:17:46.444 INFO kablam!     |
Oct 12 10:17:46.444 INFO kablam! 294 |             let mut t = self.cache.get_mut(key).unwrap();
Oct 12 10:17:46.444 INFO kablam!     |                 ----^
Oct 12 10:17:46.444 INFO kablam!     |                 |
Oct 12 10:17:46.444 INFO kablam!     |                 help: remove this `mut`
Oct 12 10:17:46.444 INFO kablam!     |
Oct 12 10:17:46.444 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 10:17:46.444 INFO kablam! 
Oct 12 10:17:46.642 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Oct 12 10:17:46.649 INFO kablam! su: No module specific data is present
Oct 12 10:17:47.266 INFO running `"docker" "rm" "-f" "b326dc915215c62eea7a5e91a9ae65aca445ab7de362736de3af5fed1f2ad3a1"`
Oct 12 10:17:47.584 INFO blam! b326dc915215c62eea7a5e91a9ae65aca445ab7de362736de3af5fed1f2ad3a1