Dec 11 17:20:19.397 INFO checking hukumka/interactives against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 17:20:19.397 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 17:20:19.900 INFO [stdout] d0d8d3ee0c53daba052ff984e1b51636ecd8e60a7ea69c9e21fa8126c2fdac4c
Dec 11 17:20:19.902 INFO running `"docker" "start" "-a" "d0d8d3ee0c53daba052ff984e1b51636ecd8e60a7ea69c9e21fa8126c2fdac4c"`
Dec 11 17:20:21.308 INFO [stderr] usermod: no changes
Dec 11 17:20:21.482 INFO [stderr]     Checking strfmt v0.1.6
Dec 11 17:20:21.482 INFO [stderr]     Checking hamt-rs v0.3.0
Dec 11 17:20:22.992 INFO [stderr]     Checking interactive_c v0.1.0 (/source)
Dec 11 17:20:28.797 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:20:28.798 INFO [stderr]     --> src/syntax_tree.rs:800:17
Dec 11 17:20:28.798 INFO [stderr]      |
Dec 11 17:20:28.798 INFO [stderr] 800  |             let mut $walker_name = _tree.walker();
Dec 11 17:20:28.799 INFO [stderr]      |                 ----^^^^^^^^^^^^
Dec 11 17:20:28.799 INFO [stderr]      |                 |
Dec 11 17:20:28.799 INFO [stderr]      |                 help: remove this `mut`
Dec 11 17:20:28.799 INFO [stderr] ...
Dec 11 17:20:28.800 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 11 17:20:28.800 INFO [stderr]      |         -------------------------------------------------------------------------------------------------------- in this macro invocation
Dec 11 17:20:28.800 INFO [stderr]      |
Dec 11 17:20:28.801 INFO [stderr]      = note: #[warn(unused_mut)] on by default
Dec 11 17:20:28.801 INFO [stderr] 
Dec 11 17:20:28.945 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.60s
Dec 11 17:20:28.950 INFO [stderr] su: No module specific data is present
Dec 11 17:20:30.108 INFO running `"docker" "inspect" "d0d8d3ee0c53daba052ff984e1b51636ecd8e60a7ea69c9e21fa8126c2fdac4c"`
Dec 11 17:20:30.468 INFO running `"docker" "rm" "-f" "d0d8d3ee0c53daba052ff984e1b51636ecd8e60a7ea69c9e21fa8126c2fdac4c"`
Dec 11 17:20:30.728 INFO [stdout] d0d8d3ee0c53daba052ff984e1b51636ecd8e60a7ea69c9e21fa8126c2fdac4c