Oct 12 22:28:51.531 INFO checking dotjpg3141/simple_lang against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 22:28:51.531 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 22:28:51.961 INFO blam! 1cce57c1faefe13f2001331797b21e229e2d505ead1700e765cc5fc3bbf16067
Oct 12 22:28:51.962 INFO running `"docker" "start" "-a" "1cce57c1faefe13f2001331797b21e229e2d505ead1700e765cc5fc3bbf16067"`
Oct 12 22:28:53.201 INFO kablam! usermod: no changes
Oct 12 22:28:53.236 INFO kablam!     Checking simple_lang v0.1.0 (/source)
Oct 12 22:28:53.620 INFO kablam! warning: unused import: `std::str`
Oct 12 22:28:53.620 INFO kablam!  --> src/main.rs:3:5
Oct 12 22:28:53.620 INFO kablam!   |
Oct 12 22:28:53.620 INFO kablam! 3 | use std::str;
Oct 12 22:28:53.620 INFO kablam!   |     ^^^^^^^^
Oct 12 22:28:53.620 INFO kablam!   |
Oct 12 22:28:53.620 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 22:28:53.620 INFO kablam! 
Oct 12 22:28:53.672 INFO kablam! warning: unused import: `std::str`
Oct 12 22:28:53.672 INFO kablam!  --> src/main.rs:3:5
Oct 12 22:28:53.672 INFO kablam!   |
Oct 12 22:28:53.672 INFO kablam! 3 | use std::str;
Oct 12 22:28:53.672 INFO kablam!   |     ^^^^^^^^
Oct 12 22:28:53.672 INFO kablam!   |
Oct 12 22:28:53.672 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 22:28:53.672 INFO kablam! 
Oct 12 22:28:53.933 INFO kablam! warning: method is never used: `from_slice`
Oct 12 22:28:53.934 INFO kablam!   --> src/simplelang/indexed_slice.rs:10:5
Oct 12 22:28:53.934 INFO kablam!    |
Oct 12 22:28:53.934 INFO kablam! 10 |     pub fn from_slice(slice: &'a [T]) -> Self {
Oct 12 22:28:53.935 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:28:53.935 INFO kablam!    |
Oct 12 22:28:53.935 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 22:28:53.936 INFO kablam! 
Oct 12 22:28:53.936 INFO kablam! warning: method is never used: `at_range`
Oct 12 22:28:53.936 INFO kablam!   --> src/simplelang/mod.rs:89:5
Oct 12 22:28:53.936 INFO kablam!    |
Oct 12 22:28:53.937 INFO kablam! 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
Oct 12 22:28:53.937 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:28:53.938 INFO kablam! 
Oct 12 22:28:54.108 INFO kablam! warning: method is never used: `at_range`
Oct 12 22:28:54.108 INFO kablam!   --> src/simplelang/mod.rs:89:5
Oct 12 22:28:54.108 INFO kablam!    |
Oct 12 22:28:54.108 INFO kablam! 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
Oct 12 22:28:54.108 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:28:54.108 INFO kablam!    |
Oct 12 22:28:54.108 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 22:28:54.108 INFO kablam! 
Oct 12 22:28:54.147 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Oct 12 22:28:54.147 INFO kablam! su: No module specific data is present
Oct 12 22:28:54.718 INFO running `"docker" "rm" "-f" "1cce57c1faefe13f2001331797b21e229e2d505ead1700e765cc5fc3bbf16067"`
Oct 12 22:28:54.981 INFO blam! 1cce57c1faefe13f2001331797b21e229e2d505ead1700e765cc5fc3bbf16067