Nov 29 18:55:06.186 INFO checking sampullman/rust-scheme against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 18:55:06.186 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 18:55:06.733 INFO [stdout] c242e6677a69a18ea8cebccbb6e5a1f5e65f2080e66666b172b8a1c5eaf30b43
Nov 29 18:55:06.735 INFO running `"docker" "start" "-a" "c242e6677a69a18ea8cebccbb6e5a1f5e65f2080e66666b172b8a1c5eaf30b43"`
Nov 29 18:55:09.469 INFO [stderr] usermod: no changes
Nov 29 18:55:09.560 INFO [stderr]     Checking rust-scheme v0.1.0 (/source)
Nov 29 18:55:10.328 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:10.328 INFO [stderr]   --> src/parse.rs:29:14
Nov 29 18:55:10.328 INFO [stderr]    |
Nov 29 18:55:10.328 INFO [stderr] 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Nov 29 18:55:10.328 INFO [stderr]    |              ----^^^^^^
Nov 29 18:55:10.328 INFO [stderr]    |              |
Nov 29 18:55:10.328 INFO [stderr]    |              help: remove this `mut`
Nov 29 18:55:10.328 INFO [stderr]    |
Nov 29 18:55:10.328 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:55:10.328 INFO [stderr] 
Nov 29 18:55:10.328 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:10.328 INFO [stderr]   --> src/parse.rs:43:25
Nov 29 18:55:10.328 INFO [stderr]    |
Nov 29 18:55:10.328 INFO [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Nov 29 18:55:10.328 INFO [stderr]    |                         ----^^^^^^
Nov 29 18:55:10.328 INFO [stderr]    |                         |
Nov 29 18:55:10.328 INFO [stderr]    |                         help: remove this `mut`
Nov 29 18:55:10.328 INFO [stderr] 
Nov 29 18:55:10.572 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:10.572 INFO [stderr]   --> src/parse.rs:29:14
Nov 29 18:55:10.572 INFO [stderr]    |
Nov 29 18:55:10.572 INFO [stderr] 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Nov 29 18:55:10.572 INFO [stderr]    |              ----^^^^^^
Nov 29 18:55:10.572 INFO [stderr]    |              |
Nov 29 18:55:10.572 INFO [stderr]    |              help: remove this `mut`
Nov 29 18:55:10.572 INFO [stderr]    |
Nov 29 18:55:10.572 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 18:55:10.572 INFO [stderr] 
Nov 29 18:55:10.572 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:55:10.572 INFO [stderr]   --> src/parse.rs:43:25
Nov 29 18:55:10.572 INFO [stderr]    |
Nov 29 18:55:10.572 INFO [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Nov 29 18:55:10.572 INFO [stderr]    |                         ----^^^^^^
Nov 29 18:55:10.572 INFO [stderr]    |                         |
Nov 29 18:55:10.572 INFO [stderr]    |                         help: remove this `mut`
Nov 29 18:55:10.572 INFO [stderr] 
Nov 29 18:55:11.431 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Nov 29 18:55:11.441 INFO [stderr] su: No module specific data is present
Nov 29 18:55:12.748 INFO running `"docker" "inspect" "c242e6677a69a18ea8cebccbb6e5a1f5e65f2080e66666b172b8a1c5eaf30b43"`
Nov 29 18:55:13.126 INFO running `"docker" "rm" "-f" "c242e6677a69a18ea8cebccbb6e5a1f5e65f2080e66666b172b8a1c5eaf30b43"`
Nov 29 18:55:13.384 INFO [stdout] c242e6677a69a18ea8cebccbb6e5a1f5e65f2080e66666b172b8a1c5eaf30b43