Oct 13 06:39:12.771 INFO checking veb-rs-0.1.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 06:39:12.771 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 06:39:12.928 INFO blam! f5c687d0f9771bdab5abe3c53226440ac9b629b259c92779f26cb3a964883cfb
Oct 13 06:39:12.929 INFO running `"docker" "start" "-a" "f5c687d0f9771bdab5abe3c53226440ac9b629b259c92779f26cb3a964883cfb"`
Oct 13 06:39:13.321 INFO kablam! usermod: no changes
Oct 13 06:39:13.348 INFO kablam!     Checking veb-rs v0.1.1 (/source)
Oct 13 06:39:13.872 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:39:13.872 INFO kablam!    --> src/lib.rs:254:21
Oct 13 06:39:13.872 INFO kablam!     |
Oct 13 06:39:13.872 INFO kablam! 254 |                 let mut subtree = &mut self.children[idx as usize];
Oct 13 06:39:13.872 INFO kablam!     |                     ----^^^^^^^
Oct 13 06:39:13.872 INFO kablam!     |                     |
Oct 13 06:39:13.872 INFO kablam!     |                     help: remove this `mut`
Oct 13 06:39:13.872 INFO kablam!     |
Oct 13 06:39:13.872 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 06:39:13.872 INFO kablam! 
Oct 13 06:39:13.992 INFO kablam! warning: variable does not need to be mutable
Oct 13 06:39:13.992 INFO kablam!    --> src/lib.rs:254:21
Oct 13 06:39:13.992 INFO kablam!     |
Oct 13 06:39:13.992 INFO kablam! 254 |                 let mut subtree = &mut self.children[idx as usize];
Oct 13 06:39:13.992 INFO kablam!     |                     ----^^^^^^^
Oct 13 06:39:13.992 INFO kablam!     |                     |
Oct 13 06:39:13.992 INFO kablam!     |                     help: remove this `mut`
Oct 13 06:39:13.992 INFO kablam!     |
Oct 13 06:39:13.992 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 06:39:13.992 INFO kablam! 
Oct 13 06:39:14.023 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Oct 13 06:39:14.026 INFO kablam! su: No module specific data is present
Oct 13 06:39:14.398 INFO running `"docker" "rm" "-f" "f5c687d0f9771bdab5abe3c53226440ac9b629b259c92779f26cb3a964883cfb"`
Oct 13 06:39:14.548 INFO blam! f5c687d0f9771bdab5abe3c53226440ac9b629b259c92779f26cb3a964883cfb