Nov 29 18:55:05.657 INFO checking sampullman/rust-scheme against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:55:05.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 18:55:06.130 INFO [stdout] a1f62cfb010696fccf0e71ef3faf24c85c2f9870fa71f020ea5ecd607dab678e
Nov 29 18:55:06.132 INFO running `"docker" "start" "-a" "a1f62cfb010696fccf0e71ef3faf24c85c2f9870fa71f020ea5ecd607dab678e"`
Nov 29 18:55:07.752 INFO [stderr] usermod: no changes
Nov 29 18:55:07.852 INFO [stderr]     Checking rust-scheme v0.1.0 (/source)
Nov 29 18:55:08.877 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:08.877 INFO [stderr]   --> src/parse.rs:29:14
Nov 29 18:55:08.877 INFO [stderr]    |
Nov 29 18:55:08.877 INFO [stderr] 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Nov 29 18:55:08.877 INFO [stderr]    |              ----^^^^^^
Nov 29 18:55:08.877 INFO [stderr]    |              |
Nov 29 18:55:08.877 INFO [stderr]    |              help: remove this `mut`
Nov 29 18:55:08.877 INFO [stderr]    |
Nov 29 18:55:08.878 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:55:08.878 INFO [stderr] 
Nov 29 18:55:08.880 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:08.880 INFO [stderr]   --> src/parse.rs:43:25
Nov 29 18:55:08.880 INFO [stderr]    |
Nov 29 18:55:08.880 INFO [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Nov 29 18:55:08.881 INFO [stderr]    |                         ----^^^^^^
Nov 29 18:55:08.881 INFO [stderr]    |                         |
Nov 29 18:55:08.881 INFO [stderr]    |                         help: remove this `mut`
Nov 29 18:55:08.881 INFO [stderr] 
Nov 29 18:55:08.896 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:08.896 INFO [stderr]   --> src/parse.rs:29:14
Nov 29 18:55:08.896 INFO [stderr]    |
Nov 29 18:55:08.896 INFO [stderr] 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Nov 29 18:55:08.896 INFO [stderr]    |              ----^^^^^^
Nov 29 18:55:08.896 INFO [stderr]    |              |
Nov 29 18:55:08.896 INFO [stderr]    |              help: remove this `mut`
Nov 29 18:55:08.897 INFO [stderr]    |
Nov 29 18:55:08.897 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:55:08.897 INFO [stderr] 
Nov 29 18:55:08.904 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:08.904 INFO [stderr]   --> src/parse.rs:43:25
Nov 29 18:55:08.904 INFO [stderr]    |
Nov 29 18:55:08.904 INFO [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Nov 29 18:55:08.904 INFO [stderr]    |                         ----^^^^^^
Nov 29 18:55:08.904 INFO [stderr]    |                         |
Nov 29 18:55:08.904 INFO [stderr]    |                         help: remove this `mut`
Nov 29 18:55:08.904 INFO [stderr] 
Nov 29 18:55:09.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Nov 29 18:55:09.831 INFO [stderr] su: No module specific data is present
Nov 29 18:55:11.251 INFO running `"docker" "inspect" "a1f62cfb010696fccf0e71ef3faf24c85c2f9870fa71f020ea5ecd607dab678e"`
Nov 29 18:55:11.682 INFO running `"docker" "rm" "-f" "a1f62cfb010696fccf0e71ef3faf24c85c2f9870fa71f020ea5ecd607dab678e"`
Nov 29 18:55:12.080 INFO [stdout] a1f62cfb010696fccf0e71ef3faf24c85c2f9870fa71f020ea5ecd607dab678e