Oct 31 19:15:16.947 INFO checking tralfamadore/lispr against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 19:15:16.948 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 19:15:17.424 INFO blam! 3d5acb86719d8f1d75bbc0503bd4181827b56f68bee6c6740006c095136aec2f
Oct 31 19:15:17.434 INFO running `"docker" "start" "-a" "3d5acb86719d8f1d75bbc0503bd4181827b56f68bee6c6740006c095136aec2f"`
Oct 31 19:15:18.664 INFO kablam! usermod: no changes
Oct 31 19:15:18.712 INFO kablam!     Checking lispr v0.1.0 (/source)
Oct 31 19:15:19.048 INFO kablam! warning: unused variable: `root`
Oct 31 19:15:19.048 INFO kablam!   --> src/main.rs:20:9
Oct 31 19:15:19.048 INFO kablam!    |
Oct 31 19:15:19.048 INFO kablam! 20 |     let root = parse(&mut tokens);
Oct 31 19:15:19.048 INFO kablam!    |         ^^^^ help: consider using `_root` instead
Oct 31 19:15:19.048 INFO kablam!    |
Oct 31 19:15:19.048 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 19:15:19.048 INFO kablam! 
Oct 31 19:15:19.080 INFO kablam! warning: field is never used: `value`
Oct 31 19:15:19.080 INFO kablam!  --> src/main.rs:7:5
Oct 31 19:15:19.080 INFO kablam!   |
Oct 31 19:15:19.080 INFO kablam! 7 |     value: &'a str,
Oct 31 19:15:19.080 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 31 19:15:19.080 INFO kablam!   |
Oct 31 19:15:19.080 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 19:15:19.080 INFO kablam! 
Oct 31 19:15:19.080 INFO kablam! warning: field is never used: `children`
Oct 31 19:15:19.080 INFO kablam!  --> src/main.rs:8:5
Oct 31 19:15:19.080 INFO kablam!   |
Oct 31 19:15:19.080 INFO kablam! 8 |     children: Option<Vec<Node<'a>>>,
Oct 31 19:15:19.080 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 19:15:19.080 INFO kablam! 
Oct 31 19:15:19.252 INFO kablam! warning: unused variable: `root`
Oct 31 19:15:19.252 INFO kablam!   --> src/main.rs:20:9
Oct 31 19:15:19.252 INFO kablam!    |
Oct 31 19:15:19.252 INFO kablam! 20 |     let root = parse(&mut tokens);
Oct 31 19:15:19.252 INFO kablam!    |         ^^^^ help: consider using `_root` instead
Oct 31 19:15:19.252 INFO kablam!    |
Oct 31 19:15:19.252 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 19:15:19.252 INFO kablam! 
Oct 31 19:15:19.272 INFO kablam! warning: field is never used: `value`
Oct 31 19:15:19.272 INFO kablam!  --> src/main.rs:7:5
Oct 31 19:15:19.272 INFO kablam!   |
Oct 31 19:15:19.272 INFO kablam! 7 |     value: &'a str,
Oct 31 19:15:19.272 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 31 19:15:19.272 INFO kablam!   |
Oct 31 19:15:19.272 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 19:15:19.272 INFO kablam! 
Oct 31 19:15:19.272 INFO kablam! warning: field is never used: `children`
Oct 31 19:15:19.272 INFO kablam!  --> src/main.rs:8:5
Oct 31 19:15:19.272 INFO kablam!   |
Oct 31 19:15:19.272 INFO kablam! 8 |     children: Option<Vec<Node<'a>>>,
Oct 31 19:15:19.272 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 19:15:19.272 INFO kablam! 
Oct 31 19:15:19.308 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Oct 31 19:15:19.314 INFO kablam! su: No module specific data is present
Oct 31 19:15:20.492 INFO running `"docker" "rm" "-f" "3d5acb86719d8f1d75bbc0503bd4181827b56f68bee6c6740006c095136aec2f"`
Oct 31 19:15:20.904 INFO blam! 3d5acb86719d8f1d75bbc0503bd4181827b56f68bee6c6740006c095136aec2f