Oct 12 14:22:03.060 INFO checking sampullman/rust-scheme against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:22:03.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/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 12 14:22:03.536 INFO blam! 1f10b094614c4baa688cb67366f8b5182f90400b86c8e96aaf61b8770e9669e9
Oct 12 14:22:03.544 INFO running `"docker" "start" "-a" "1f10b094614c4baa688cb67366f8b5182f90400b86c8e96aaf61b8770e9669e9"`
Oct 12 14:22:04.968 INFO kablam! usermod: no changes
Oct 12 14:22:05.031 INFO kablam!     Checking rust-scheme v0.1.0 (/source)
Oct 12 14:22:05.835 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:05.836 INFO kablam!   --> src/parse.rs:29:14
Oct 12 14:22:05.837 INFO kablam!    |
Oct 12 14:22:05.838 INFO kablam! 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Oct 12 14:22:05.838 INFO kablam!    |              ----^^^^^^
Oct 12 14:22:05.839 INFO kablam!    |              |
Oct 12 14:22:05.840 INFO kablam!    |              help: remove this `mut`
Oct 12 14:22:05.840 INFO kablam!    |
Oct 12 14:22:05.841 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:22:05.842 INFO kablam! 
Oct 12 14:22:05.842 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:05.843 INFO kablam!   --> src/parse.rs:43:25
Oct 12 14:22:05.843 INFO kablam!    |
Oct 12 14:22:05.844 INFO kablam! 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Oct 12 14:22:05.845 INFO kablam!    |                         ----^^^^^^
Oct 12 14:22:05.845 INFO kablam!    |                         |
Oct 12 14:22:05.845 INFO kablam!    |                         help: remove this `mut`
Oct 12 14:22:05.845 INFO kablam! 
Oct 12 14:22:06.006 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:06.006 INFO kablam!   --> src/parse.rs:29:14
Oct 12 14:22:06.006 INFO kablam!    |
Oct 12 14:22:06.006 INFO kablam! 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Oct 12 14:22:06.006 INFO kablam!    |              ----^^^^^^
Oct 12 14:22:06.006 INFO kablam!    |              |
Oct 12 14:22:06.006 INFO kablam!    |              help: remove this `mut`
Oct 12 14:22:06.012 INFO kablam!    |
Oct 12 14:22:06.012 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:22:06.013 INFO kablam! 
Oct 12 14:22:06.015 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:06.015 INFO kablam!   --> src/parse.rs:43:25
Oct 12 14:22:06.015 INFO kablam!    |
Oct 12 14:22:06.015 INFO kablam! 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Oct 12 14:22:06.015 INFO kablam!    |                         ----^^^^^^
Oct 12 14:22:06.015 INFO kablam!    |                         |
Oct 12 14:22:06.015 INFO kablam!    |                         help: remove this `mut`
Oct 12 14:22:06.016 INFO kablam! 
Oct 12 14:22:06.806 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Oct 12 14:22:06.818 INFO kablam! su: No module specific data is present
Oct 12 14:22:08.134 INFO running `"docker" "rm" "-f" "1f10b094614c4baa688cb67366f8b5182f90400b86c8e96aaf61b8770e9669e9"`
Oct 12 14:22:08.425 INFO blam! 1f10b094614c4baa688cb67366f8b5182f90400b86c8e96aaf61b8770e9669e9