Oct 31 21:47:41.654 INFO checking sampullman/rust-scheme against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 21:47:41.654 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 21:47:42.126 INFO blam! 552e280fe14cb7529cfe3b72a689f88a53fa6f3f0378199749962bc7d4a44f8c
Oct 31 21:47:42.128 INFO running `"docker" "start" "-a" "552e280fe14cb7529cfe3b72a689f88a53fa6f3f0378199749962bc7d4a44f8c"`
Oct 31 21:47:43.867 INFO kablam! usermod: no changes
Oct 31 21:47:43.928 INFO kablam!     Checking rust-scheme v0.1.0 (/source)
Oct 31 21:47:44.880 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:47:44.881 INFO kablam!   --> src/parse.rs:29:14
Oct 31 21:47:44.881 INFO kablam!    |
Oct 31 21:47:44.881 INFO kablam! 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Oct 31 21:47:44.881 INFO kablam!    |              ----^^^^^^
Oct 31 21:47:44.881 INFO kablam!    |              |
Oct 31 21:47:44.881 INFO kablam!    |              help: remove this `mut`
Oct 31 21:47:44.881 INFO kablam!    |
Oct 31 21:47:44.881 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 21:47:44.881 INFO kablam! 
Oct 31 21:47:44.885 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:47:44.885 INFO kablam!   --> src/parse.rs:43:25
Oct 31 21:47:44.885 INFO kablam!    |
Oct 31 21:47:44.885 INFO kablam! 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Oct 31 21:47:44.885 INFO kablam!    |                         ----^^^^^^
Oct 31 21:47:44.886 INFO kablam!    |                         |
Oct 31 21:47:44.886 INFO kablam!    |                         help: remove this `mut`
Oct 31 21:47:44.887 INFO kablam! 
Oct 31 21:47:44.928 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:47:44.929 INFO kablam!   --> src/parse.rs:29:14
Oct 31 21:47:44.929 INFO kablam!    |
Oct 31 21:47:44.929 INFO kablam! 29 | fn read_list(mut tokens: &mut Vec<String>) -> Result<Vec<Atom>, String> {
Oct 31 21:47:44.929 INFO kablam!    |              ----^^^^^^
Oct 31 21:47:44.929 INFO kablam!    |              |
Oct 31 21:47:44.929 INFO kablam!    |              help: remove this `mut`
Oct 31 21:47:44.929 INFO kablam!    |
Oct 31 21:47:44.929 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 21:47:44.929 INFO kablam! 
Oct 31 21:47:44.931 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:47:44.931 INFO kablam!   --> src/parse.rs:43:25
Oct 31 21:47:44.931 INFO kablam!    |
Oct 31 21:47:44.931 INFO kablam! 43 | pub fn read_from_tokens(mut tokens: &mut Vec<String>) -> Result<Atom, String> {
Oct 31 21:47:44.932 INFO kablam!    |                         ----^^^^^^
Oct 31 21:47:44.933 INFO kablam!    |                         |
Oct 31 21:47:44.933 INFO kablam!    |                         help: remove this `mut`
Oct 31 21:47:44.933 INFO kablam! 
Oct 31 21:47:45.980 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
Oct 31 21:47:45.981 INFO kablam! su: No module specific data is present
Oct 31 21:47:47.552 INFO running `"docker" "rm" "-f" "552e280fe14cb7529cfe3b72a689f88a53fa6f3f0378199749962bc7d4a44f8c"`
Oct 31 21:47:47.812 INFO blam! 552e280fe14cb7529cfe3b72a689f88a53fa6f3f0378199749962bc7d4a44f8c