Dec 19 16:00:08.379 INFO checking hukumka/interactives against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:00:08.379 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/hukumka/interactives:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:00:08.882 INFO [stdout] 0e18fa04b23bd2a25a0dd56aeb1e261bc1ee57f046363c17baf64e624b199d6d
Dec 19 16:00:08.884 INFO running `"docker" "start" "-a" "0e18fa04b23bd2a25a0dd56aeb1e261bc1ee57f046363c17baf64e624b199d6d"`
Dec 19 16:00:10.923 INFO [stderr]     Checking hamt-rs v0.3.0
Dec 19 16:00:11.654 INFO [stderr]     Checking interactive_c v0.1.0 (/opt/crater/workdir)
Dec 19 16:00:15.704 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:00:15.704 INFO [stderr]     --> src/syntax_tree.rs:800:17
Dec 19 16:00:15.704 INFO [stderr]      |
Dec 19 16:00:15.705 INFO [stderr] 800  |             let mut $walker_name = _tree.walker();
Dec 19 16:00:15.705 INFO [stderr]      |                 ----^^^^^^^^^^^^
Dec 19 16:00:15.705 INFO [stderr]      |                 |
Dec 19 16:00:15.705 INFO [stderr]      |                 help: remove this `mut`
Dec 19 16:00:15.705 INFO [stderr] ...
Dec 19 16:00:15.705 INFO [stderr] 1344 |         new_walker!{let mut walker = "int x=0; int x(int a){return a + 4; for(int i=0; i<a; ++i) a += 3 * 4;}";}
Dec 19 16:00:15.705 INFO [stderr]      |         -------------------------------------------------------------------------------------------------------- in this macro invocation
Dec 19 16:00:15.705 INFO [stderr]      |
Dec 19 16:00:15.705 INFO [stderr]      = note: #[warn(unused_mut)] on by default
Dec 19 16:00:15.705 INFO [stderr] 
Dec 19 16:00:15.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
Dec 19 16:00:16.238 INFO running `"docker" "inspect" "0e18fa04b23bd2a25a0dd56aeb1e261bc1ee57f046363c17baf64e624b199d6d"`
Dec 19 16:00:16.514 INFO running `"docker" "rm" "-f" "0e18fa04b23bd2a25a0dd56aeb1e261bc1ee57f046363c17baf64e624b199d6d"`
Dec 19 16:00:16.688 INFO [stdout] 0e18fa04b23bd2a25a0dd56aeb1e261bc1ee57f046363c17baf64e624b199d6d