Dec 19 13:23:29.255 INFO checking lukehoban/endo-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:23:29.256 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/lukehoban/endo-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:23:29.606 INFO [stdout] 034e0bce422b96cb9c15cd6d090dbb225e35b92822e6fde44eb8a08cd9487663
Dec 19 13:23:29.608 INFO running `"docker" "start" "-a" "034e0bce422b96cb9c15cd6d090dbb225e35b92822e6fde44eb8a08cd9487663"`
Dec 19 13:23:30.862 INFO [stderr]     Checking xi-rope v0.0.0 (/opt/crater/workdir/rope)
Dec 19 13:23:30.862 INFO [stderr]     Checking png v0.11.0
Dec 19 13:23:31.430 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:23:31.430 INFO [stderr]    --> rope/src/tree.rs:232:17
Dec 19 13:23:31.430 INFO [stderr]     |
Dec 19 13:23:31.430 INFO [stderr] 232 |             let mut node1 = Arc::make_mut(&mut rope1.0);
Dec 19 13:23:31.430 INFO [stderr]     |                 ----^^^^^
Dec 19 13:23:31.430 INFO [stderr]     |                 |
Dec 19 13:23:31.430 INFO [stderr]     |                 help: remove this `mut`
Dec 19 13:23:31.430 INFO [stderr]     |
Dec 19 13:23:31.430 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 13:23:31.430 INFO [stderr] 
Dec 19 13:23:31.688 INFO [stderr]     Checking image v0.18.0
Dec 19 13:23:35.028 INFO [stderr]     Checking endo v0.1.0 (/opt/crater/workdir)
Dec 19 13:23:35.882 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
Dec 19 13:23:36.292 INFO running `"docker" "inspect" "034e0bce422b96cb9c15cd6d090dbb225e35b92822e6fde44eb8a08cd9487663"`
Dec 19 13:23:36.680 INFO running `"docker" "rm" "-f" "034e0bce422b96cb9c15cd6d090dbb225e35b92822e6fde44eb8a08cd9487663"`
Dec 19 13:23:36.916 INFO [stdout] 034e0bce422b96cb9c15cd6d090dbb225e35b92822e6fde44eb8a08cd9487663