Sep 19 17:35:21.549 INFO checking xi-rope-0.2.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 17:35:21.549 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 17:35:21.549 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:35:21.705 INFO blam! e80a5a8ceac0753a288f6885e4328965cd7b4e9327cfc1910db9382721d3f26e
Sep 19 17:35:21.707 INFO running `"docker" "start" "-a" "e80a5a8ceac0753a288f6885e4328965cd7b4e9327cfc1910db9382721d3f26e"`
Sep 19 17:35:22.467 INFO kablam! usermod: no changes
Sep 19 17:35:22.497 INFO kablam!     Checking bytecount v0.1.7
Sep 19 17:35:22.760 INFO kablam!     Checking xi-rope v0.2.0 (/source)
Sep 19 17:35:23.558 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:23.558 INFO kablam!    --> src/tree.rs:237:17
Sep 19 17:35:23.558 INFO kablam!     |
Sep 19 17:35:23.558 INFO kablam! 237 |             let mut node1 = Arc::make_mut(&mut rope1.0);
Sep 19 17:35:23.558 INFO kablam!     |                 ----^^^^^
Sep 19 17:35:23.558 INFO kablam!     |                 |
Sep 19 17:35:23.558 INFO kablam!     |                 help: remove this `mut`
Sep 19 17:35:23.558 INFO kablam!     |
Sep 19 17:35:23.558 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 17:35:23.559 INFO kablam! 
Sep 19 17:35:24.110 INFO kablam! warning: variable does not need to be mutable
Sep 19 17:35:24.110 INFO kablam!    --> src/tree.rs:237:17
Sep 19 17:35:24.110 INFO kablam!     |
Sep 19 17:35:24.110 INFO kablam! 237 |             let mut node1 = Arc::make_mut(&mut rope1.0);
Sep 19 17:35:24.110 INFO kablam!     |                 ----^^^^^
Sep 19 17:35:24.110 INFO kablam!     |                 |
Sep 19 17:35:24.110 INFO kablam!     |                 help: remove this `mut`
Sep 19 17:35:24.110 INFO kablam!     |
Sep 19 17:35:24.110 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 17:35:24.110 INFO kablam! 
Sep 19 17:35:24.386 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
Sep 19 17:35:24.386 INFO kablam! su: No module specific data is present
Sep 19 17:35:25.151 INFO running `"docker" "rm" "-f" "e80a5a8ceac0753a288f6885e4328965cd7b4e9327cfc1910db9382721d3f26e"`
Sep 19 17:35:25.243 INFO blam! e80a5a8ceac0753a288f6885e4328965cd7b4e9327cfc1910db9382721d3f26e