Oct 12 22:28:50.666 INFO checking dotjpg3141/simple_lang against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 22:28:50.667 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 22:28:51.112 INFO blam! 107832811dd8942470a012231ae0b94d116b384e3f5a51d425d3190a2418d4b1
Oct 12 22:28:51.114 INFO running `"docker" "start" "-a" "107832811dd8942470a012231ae0b94d116b384e3f5a51d425d3190a2418d4b1"`
Oct 12 22:28:51.931 INFO kablam! usermod: no changes
Oct 12 22:28:52.023 INFO kablam!     Checking simple_lang v0.1.0 (/source)
Oct 12 22:28:52.488 INFO kablam! warning: unused import: `std::str`
Oct 12 22:28:52.488 INFO kablam!  --> src/main.rs:3:5
Oct 12 22:28:52.488 INFO kablam!   |
Oct 12 22:28:52.488 INFO kablam! 3 | use std::str;
Oct 12 22:28:52.488 INFO kablam!   |     ^^^^^^^^
Oct 12 22:28:52.488 INFO kablam!   |
Oct 12 22:28:52.488 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 22:28:52.488 INFO kablam! 
Oct 12 22:28:52.488 INFO kablam! warning: unused import: `std::str`
Oct 12 22:28:52.488 INFO kablam!  --> src/main.rs:3:5
Oct 12 22:28:52.488 INFO kablam!   |
Oct 12 22:28:52.488 INFO kablam! 3 | use std::str;
Oct 12 22:28:52.488 INFO kablam!   |     ^^^^^^^^
Oct 12 22:28:52.488 INFO kablam!   |
Oct 12 22:28:52.488 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 22:28:52.488 INFO kablam! 
Oct 12 22:28:52.816 INFO kablam! warning: method is never used: `from_slice`
Oct 12 22:28:52.816 INFO kablam!   --> src/simplelang/indexed_slice.rs:10:5
Oct 12 22:28:52.816 INFO kablam!    |
Oct 12 22:28:52.816 INFO kablam! 10 |     pub fn from_slice(slice: &'a [T]) -> Self {
Oct 12 22:28:52.816 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:28:52.816 INFO kablam!    |
Oct 12 22:28:52.816 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 22:28:52.816 INFO kablam! 
Oct 12 22:28:52.816 INFO kablam! warning: method is never used: `at_range`
Oct 12 22:28:52.816 INFO kablam!   --> src/simplelang/mod.rs:89:5
Oct 12 22:28:52.816 INFO kablam!    |
Oct 12 22:28:52.816 INFO kablam! 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
Oct 12 22:28:52.816 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:28:52.816 INFO kablam! 
Oct 12 22:28:52.944 INFO kablam! warning: method is never used: `at_range`
Oct 12 22:28:52.944 INFO kablam!   --> src/simplelang/mod.rs:89:5
Oct 12 22:28:52.944 INFO kablam!    |
Oct 12 22:28:52.944 INFO kablam! 89 |     fn at_range<T>(start: TextPosition, end: TextPosition, message: String) -> SyntaxResult<T> {
Oct 12 22:28:52.944 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:28:52.944 INFO kablam!    |
Oct 12 22:28:52.944 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 22:28:52.944 INFO kablam! 
Oct 12 22:28:52.988 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Oct 12 22:28:52.988 INFO kablam! su: No module specific data is present
Oct 12 22:28:53.427 INFO running `"docker" "rm" "-f" "107832811dd8942470a012231ae0b94d116b384e3f5a51d425d3190a2418d4b1"`
Oct 12 22:28:53.644 INFO blam! 107832811dd8942470a012231ae0b94d116b384e3f5a51d425d3190a2418d4b1