Dec 04 10:51:01.333 INFO checking sampullman/rust-scheme against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 10:51:01.333 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 10:51:01.838 INFO [stdout] 017fb1a19b49e2964c41a5f05b39a06a3041b5afc9f5d7fc853db6fad92b4fcd
Dec 04 10:51:01.847 INFO running `"docker" "start" "-a" "017fb1a19b49e2964c41a5f05b39a06a3041b5afc9f5d7fc853db6fad92b4fcd"`
Dec 04 10:51:04.503 INFO [stderr] usermod: no changes
Dec 04 10:51:04.565 INFO [stderr]     Checking rust-scheme v0.1.0 (/source)
Dec 04 10:51:05.090 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:51:05.090 INFO [stderr]   --> src/parse.rs:29:14
Dec 04 10:51:05.091 INFO [stderr]    |
Dec 04 10:51:05.091 INFO [stderr] 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Dec 04 10:51:05.091 INFO [stderr]    |              ----^^^^^^
Dec 04 10:51:05.091 INFO [stderr]    |              |
Dec 04 10:51:05.092 INFO [stderr]    |              help: remove this `mut`
Dec 04 10:51:05.092 INFO [stderr]    |
Dec 04 10:51:05.092 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 10:51:05.092 INFO [stderr] 
Dec 04 10:51:05.094 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:51:05.094 INFO [stderr]   --> src/parse.rs:43:25
Dec 04 10:51:05.095 INFO [stderr]    |
Dec 04 10:51:05.095 INFO [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Dec 04 10:51:05.095 INFO [stderr]    |                         ----^^^^^^
Dec 04 10:51:05.095 INFO [stderr]    |                         |
Dec 04 10:51:05.096 INFO [stderr]    |                         help: remove this `mut`
Dec 04 10:51:05.096 INFO [stderr] 
Dec 04 10:51:06.179 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:51:06.179 INFO [stderr]   --> src/parse.rs:29:14
Dec 04 10:51:06.179 INFO [stderr]    |
Dec 04 10:51:06.179 INFO [stderr] 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Dec 04 10:51:06.179 INFO [stderr]    |              ----^^^^^^
Dec 04 10:51:06.179 INFO [stderr]    |              |
Dec 04 10:51:06.179 INFO [stderr]    |              help: remove this `mut`
Dec 04 10:51:06.179 INFO [stderr]    |
Dec 04 10:51:06.179 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 10:51:06.179 INFO [stderr] 
Dec 04 10:51:06.179 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:51:06.179 INFO [stderr]   --> src/parse.rs:43:25
Dec 04 10:51:06.179 INFO [stderr]    |
Dec 04 10:51:06.179 INFO [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Dec 04 10:51:06.179 INFO [stderr]    |                         ----^^^^^^
Dec 04 10:51:06.179 INFO [stderr]    |                         |
Dec 04 10:51:06.179 INFO [stderr]    |                         help: remove this `mut`
Dec 04 10:51:06.179 INFO [stderr] 
Dec 04 10:51:06.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
Dec 04 10:51:06.309 INFO [stderr] su: No module specific data is present
Dec 04 10:51:07.615 INFO running `"docker" "inspect" "017fb1a19b49e2964c41a5f05b39a06a3041b5afc9f5d7fc853db6fad92b4fcd"`
Dec 04 10:51:07.943 INFO running `"docker" "rm" "-f" "017fb1a19b49e2964c41a5f05b39a06a3041b5afc9f5d7fc853db6fad92b4fcd"`
Dec 04 10:51:08.281 INFO [stdout] 017fb1a19b49e2964c41a5f05b39a06a3041b5afc9f5d7fc853db6fad92b4fcd