Nov 30 12:42:05.685 INFO checking xi-rope-0.2.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 12:42:05.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 12:42:06.144 INFO [stdout] 36ae8ab361347f61f85f1e72a04d8a5797c4f1fe146ad79f0bc49392b54b22a5
Nov 30 12:42:06.146 INFO running `"docker" "start" "-a" "36ae8ab361347f61f85f1e72a04d8a5797c4f1fe146ad79f0bc49392b54b22a5"`
Nov 30 12:42:07.006 INFO [stderr] usermod: no changes
Nov 30 12:42:07.060 INFO [stderr]     Checking xi-rope v0.2.0 (/source)
Nov 30 12:42:08.589 INFO [stderr] warning: variable does not need to be mutable
Nov 30 12:42:08.589 INFO [stderr]    --> src/tree.rs:237:17
Nov 30 12:42:08.589 INFO [stderr]     |
Nov 30 12:42:08.589 INFO [stderr] 237 |             let mut node1 = Arc::make_mut(&mut rope1.0);
Nov 30 12:42:08.589 INFO [stderr]     |                 ----^^^^^
Nov 30 12:42:08.589 INFO [stderr]     |                 |
Nov 30 12:42:08.589 INFO [stderr]     |                 help: remove this `mut`
Nov 30 12:42:08.589 INFO [stderr]     |
Nov 30 12:42:08.589 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 12:42:08.589 INFO [stderr] 
Nov 30 12:42:09.084 INFO [stderr] warning: variable does not need to be mutable
Nov 30 12:42:09.084 INFO [stderr]    --> src/tree.rs:237:17
Nov 30 12:42:09.084 INFO [stderr]     |
Nov 30 12:42:09.084 INFO [stderr] 237 |             let mut node1 = Arc::make_mut(&mut rope1.0);
Nov 30 12:42:09.084 INFO [stderr]     |                 ----^^^^^
Nov 30 12:42:09.084 INFO [stderr]     |                 |
Nov 30 12:42:09.084 INFO [stderr]     |                 help: remove this `mut`
Nov 30 12:42:09.084 INFO [stderr]     |
Nov 30 12:42:09.084 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 12:42:09.084 INFO [stderr] 
Nov 30 12:42:09.750 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Nov 30 12:42:09.768 INFO [stderr] su: No module specific data is present
Nov 30 12:42:10.282 INFO running `"docker" "inspect" "36ae8ab361347f61f85f1e72a04d8a5797c4f1fe146ad79f0bc49392b54b22a5"`
Nov 30 12:42:10.582 INFO running `"docker" "rm" "-f" "36ae8ab361347f61f85f1e72a04d8a5797c4f1fe146ad79f0bc49392b54b22a5"`
Nov 30 12:42:10.834 INFO [stdout] 36ae8ab361347f61f85f1e72a04d8a5797c4f1fe146ad79f0bc49392b54b22a5