Oct 12 14:22:03.252 INFO checking sampullman/rust-scheme against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 14:22:03.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 14:22:03.699 INFO blam! 965e8f95e0812c40ade0030a29fc9b79feffd8cce148c58c71908c4d26997de8
Oct 12 14:22:03.712 INFO running `"docker" "start" "-a" "965e8f95e0812c40ade0030a29fc9b79feffd8cce148c58c71908c4d26997de8"`
Oct 12 14:22:04.986 INFO kablam! usermod: no changes
Oct 12 14:22:05.028 INFO kablam!     Checking rust-scheme v0.1.0 (/source)
Oct 12 14:22:05.931 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:05.931 INFO kablam!   --> src/parse.rs:29:14
Oct 12 14:22:05.931 INFO kablam!    |
Oct 12 14:22:05.932 INFO kablam! 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Oct 12 14:22:05.932 INFO kablam!    |              ----^^^^^^
Oct 12 14:22:05.932 INFO kablam!    |              |
Oct 12 14:22:05.932 INFO kablam!    |              help: remove this `mut`
Oct 12 14:22:05.936 INFO kablam!    |
Oct 12 14:22:05.937 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:22:05.937 INFO kablam! 
Oct 12 14:22:05.944 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:05.944 INFO kablam!   --> src/parse.rs:43:25
Oct 12 14:22:05.945 INFO kablam!    |
Oct 12 14:22:05.946 INFO kablam! 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Oct 12 14:22:05.946 INFO kablam!    |                         ----^^^^^^
Oct 12 14:22:05.947 INFO kablam!    |                         |
Oct 12 14:22:05.947 INFO kablam!    |                         help: remove this `mut`
Oct 12 14:22:05.948 INFO kablam! 
Oct 12 14:22:06.074 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:06.074 INFO kablam!   --> src/parse.rs:29:14
Oct 12 14:22:06.074 INFO kablam!    |
Oct 12 14:22:06.074 INFO kablam! 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Oct 12 14:22:06.074 INFO kablam!    |              ----^^^^^^
Oct 12 14:22:06.074 INFO kablam!    |              |
Oct 12 14:22:06.074 INFO kablam!    |              help: remove this `mut`
Oct 12 14:22:06.074 INFO kablam!    |
Oct 12 14:22:06.074 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 14:22:06.074 INFO kablam! 
Oct 12 14:22:06.076 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:22:06.076 INFO kablam!   --> src/parse.rs:43:25
Oct 12 14:22:06.076 INFO kablam!    |
Oct 12 14:22:06.076 INFO kablam! 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Oct 12 14:22:06.076 INFO kablam!    |                         ----^^^^^^
Oct 12 14:22:06.076 INFO kablam!    |                         |
Oct 12 14:22:06.076 INFO kablam!    |                         help: remove this `mut`
Oct 12 14:22:06.076 INFO kablam! 
Oct 12 14:22:07.048 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
Oct 12 14:22:07.048 INFO kablam! su: No module specific data is present
Oct 12 14:22:08.127 INFO running `"docker" "rm" "-f" "965e8f95e0812c40ade0030a29fc9b79feffd8cce148c58c71908c4d26997de8"`
Oct 12 14:22:08.486 INFO blam! 965e8f95e0812c40ade0030a29fc9b79feffd8cce148c58c71908c4d26997de8