Oct 12 13:38:01.474 INFO checking singaraiona/slab against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:38:01.474 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 13:38:01.932 INFO blam! b8b0ce611ddb0cac48912be9d4eb99b171e9bc4f44dd47cdffdc51a8e24e3c2f
Oct 12 13:38:01.948 INFO running `"docker" "start" "-a" "b8b0ce611ddb0cac48912be9d4eb99b171e9bc4f44dd47cdffdc51a8e24e3c2f"`
Oct 12 13:38:03.771 INFO kablam! usermod: no changes
Oct 12 13:38:03.880 INFO kablam!     Checking slab v0.1.0 (/source)
Oct 12 13:38:04.393 INFO kablam! warning: unused import: `std::fmt`
Oct 12 13:38:04.393 INFO kablam!  --> src/heap.rs:1:5
Oct 12 13:38:04.393 INFO kablam!   |
Oct 12 13:38:04.393 INFO kablam! 1 | use std::fmt;
Oct 12 13:38:04.393 INFO kablam!   |     ^^^^^^^^
Oct 12 13:38:04.393 INFO kablam!   |
Oct 12 13:38:04.393 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:38:04.393 INFO kablam! 
Oct 12 13:38:04.393 INFO kablam! warning: unused import: `Level`
Oct 12 13:38:04.393 INFO kablam!  --> src/main.rs:4:16
Oct 12 13:38:04.393 INFO kablam!   |
Oct 12 13:38:04.393 INFO kablam! 4 | use env::{AST, Level, Environment};
Oct 12 13:38:04.393 INFO kablam!   |                ^^^^^
Oct 12 13:38:04.393 INFO kablam! 
Oct 12 13:38:04.420 INFO kablam! warning: unused import: `std::fmt`
Oct 12 13:38:04.420 INFO kablam!  --> src/heap.rs:1:5
Oct 12 13:38:04.420 INFO kablam!   |
Oct 12 13:38:04.420 INFO kablam! 1 | use std::fmt;
Oct 12 13:38:04.420 INFO kablam!   |     ^^^^^^^^
Oct 12 13:38:04.420 INFO kablam!   |
Oct 12 13:38:04.420 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:38:04.420 INFO kablam! 
Oct 12 13:38:04.420 INFO kablam! warning: unused import: `Level`
Oct 12 13:38:04.420 INFO kablam!  --> src/main.rs:4:16
Oct 12 13:38:04.420 INFO kablam!   |
Oct 12 13:38:04.420 INFO kablam! 4 | use env::{AST, Level, Environment};
Oct 12 13:38:04.420 INFO kablam!   |                ^^^^^
Oct 12 13:38:04.420 INFO kablam! 
Oct 12 13:38:04.617 INFO kablam! warning: function is never used: `str2key`
Oct 12 13:38:04.617 INFO kablam!  --> src/main.rs:7:1
Oct 12 13:38:04.617 INFO kablam!   |
Oct 12 13:38:04.617 INFO kablam! 7 | fn str2key(s: String) -> [u8; 16] {
Oct 12 13:38:04.617 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:38:04.617 INFO kablam!   |
Oct 12 13:38:04.617 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 13:38:04.617 INFO kablam! 
Oct 12 13:38:04.617 INFO kablam! warning: function is never used: `test_env`
Oct 12 13:38:04.617 INFO kablam!   --> src/main.rs:16:1
Oct 12 13:38:04.617 INFO kablam!    |
Oct 12 13:38:04.617 INFO kablam! 16 | fn test_env() {
Oct 12 13:38:04.617 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 13:38:04.617 INFO kablam! 
Oct 12 13:38:04.676 INFO kablam! warning: function is never used: `str2key`
Oct 12 13:38:04.676 INFO kablam!  --> src/main.rs:7:1
Oct 12 13:38:04.676 INFO kablam!   |
Oct 12 13:38:04.676 INFO kablam! 7 | fn str2key(s: String) -> [u8; 16] {
Oct 12 13:38:04.677 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:38:04.677 INFO kablam!   |
Oct 12 13:38:04.677 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 13:38:04.677 INFO kablam! 
Oct 12 13:38:04.677 INFO kablam! warning: function is never used: `test_env`
Oct 12 13:38:04.677 INFO kablam!   --> src/main.rs:16:1
Oct 12 13:38:04.677 INFO kablam!    |
Oct 12 13:38:04.677 INFO kablam! 16 | fn test_env() {
Oct 12 13:38:04.677 INFO kablam!    | ^^^^^^^^^^^^^
Oct 12 13:38:04.677 INFO kablam! 
Oct 12 13:38:04.743 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Oct 12 13:38:04.745 INFO kablam! su: No module specific data is present
Oct 12 13:38:06.054 INFO running `"docker" "rm" "-f" "b8b0ce611ddb0cac48912be9d4eb99b171e9bc4f44dd47cdffdc51a8e24e3c2f"`
Oct 12 13:38:06.356 INFO blam! b8b0ce611ddb0cac48912be9d4eb99b171e9bc4f44dd47cdffdc51a8e24e3c2f