Oct 13 06:05:54.446 INFO checking xi-rope-0.2.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 06:05:54.446 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 13 06:05:54.679 INFO blam! 84d773535f4e0f0f6bdce1977ea26fc19fbf57226f2992a7a7e8f7ca9ed89fa3
Oct 13 06:05:54.684 INFO running `"docker" "start" "-a" "84d773535f4e0f0f6bdce1977ea26fc19fbf57226f2992a7a7e8f7ca9ed89fa3"`
Oct 13 06:05:55.188 INFO kablam! usermod: no changes
Oct 13 06:05:55.213 INFO kablam!     Checking xi-rope v0.2.0 (/source)
Oct 13 06:05:56.484 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:05:56.484 INFO kablam!    --> src/tree.rs:237:17
Oct 13 06:05:56.484 INFO kablam!     |
Oct 13 06:05:56.484 INFO kablam! 237 |             let mut node1 = Arc::make_mut(&mut rope1.0);
Oct 13 06:05:56.484 INFO kablam!     |                 ----^^^^^
Oct 13 06:05:56.484 INFO kablam!     |                 |
Oct 13 06:05:56.485 INFO kablam!     |                 help: remove this `mut`
Oct 13 06:05:56.485 INFO kablam!     |
Oct 13 06:05:56.485 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 06:05:56.485 INFO kablam! 
Oct 13 06:05:57.164 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:05:57.164 INFO kablam!    --> src/tree.rs:237:17
Oct 13 06:05:57.164 INFO kablam!     |
Oct 13 06:05:57.164 INFO kablam! 237 |             let mut node1 = Arc::make_mut(&mut rope1.0);
Oct 13 06:05:57.164 INFO kablam!     |                 ----^^^^^
Oct 13 06:05:57.164 INFO kablam!     |                 |
Oct 13 06:05:57.164 INFO kablam!     |                 help: remove this `mut`
Oct 13 06:05:57.164 INFO kablam!     |
Oct 13 06:05:57.164 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 06:05:57.164 INFO kablam! 
Oct 13 06:05:57.704 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Oct 13 06:05:57.708 INFO kablam! su: No module specific data is present
Oct 13 06:05:58.801 INFO running `"docker" "rm" "-f" "84d773535f4e0f0f6bdce1977ea26fc19fbf57226f2992a7a7e8f7ca9ed89fa3"`
Oct 13 06:05:58.996 INFO blam! 84d773535f4e0f0f6bdce1977ea26fc19fbf57226f2992a7a7e8f7ca9ed89fa3