Oct 31 21:01:58.541 INFO checking singaraiona/slab against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 21:01:58.541 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 21:01:59.172 INFO blam! 6bc5fccbce418af6a52e9f66679708708cbac5d6b9b337c6e6910c20509cdc16
Oct 31 21:01:59.177 INFO running `"docker" "start" "-a" "6bc5fccbce418af6a52e9f66679708708cbac5d6b9b337c6e6910c20509cdc16"`
Oct 31 21:02:00.322 INFO kablam! usermod: no changes
Oct 31 21:02:00.380 INFO kablam!     Checking slab v0.1.0 (/source)
Oct 31 21:02:00.660 INFO kablam! warning: unused import: `std::fmt`
Oct 31 21:02:00.660 INFO kablam!  --> src/heap.rs:1:5
Oct 31 21:02:00.660 INFO kablam!   |
Oct 31 21:02:00.660 INFO kablam! 1 | use std::fmt;
Oct 31 21:02:00.660 INFO kablam!   |     ^^^^^^^^
Oct 31 21:02:00.661 INFO kablam!   |
Oct 31 21:02:00.661 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:02:00.661 INFO kablam! 
Oct 31 21:02:00.661 INFO kablam! warning: unused import: `Level`
Oct 31 21:02:00.661 INFO kablam!  --> src/main.rs:4:16
Oct 31 21:02:00.661 INFO kablam!   |
Oct 31 21:02:00.661 INFO kablam! 4 | use env::{AST, Level, Environment};
Oct 31 21:02:00.661 INFO kablam!   |                ^^^^^
Oct 31 21:02:00.661 INFO kablam! 
Oct 31 21:02:00.728 INFO kablam! warning: unused import: `std::fmt`
Oct 31 21:02:00.728 INFO kablam!  --> src/heap.rs:1:5
Oct 31 21:02:00.728 INFO kablam!   |
Oct 31 21:02:00.728 INFO kablam! 1 | use std::fmt;
Oct 31 21:02:00.728 INFO kablam!   |     ^^^^^^^^
Oct 31 21:02:00.728 INFO kablam!   |
Oct 31 21:02:00.728 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:02:00.728 INFO kablam! 
Oct 31 21:02:00.728 INFO kablam! warning: unused import: `Level`
Oct 31 21:02:00.728 INFO kablam!  --> src/main.rs:4:16
Oct 31 21:02:00.728 INFO kablam!   |
Oct 31 21:02:00.728 INFO kablam! 4 | use env::{AST, Level, Environment};
Oct 31 21:02:00.728 INFO kablam!   |                ^^^^^
Oct 31 21:02:00.728 INFO kablam! 
Oct 31 21:02:00.800 INFO kablam! warning: function is never used: `str2key`
Oct 31 21:02:00.801 INFO kablam!  --> src/main.rs:7:1
Oct 31 21:02:00.801 INFO kablam!   |
Oct 31 21:02:00.801 INFO kablam! 7 | fn str2key(s: String) -> [u8; 16] {
Oct 31 21:02:00.802 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:02:00.802 INFO kablam!   |
Oct 31 21:02:00.802 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 21:02:00.802 INFO kablam! 
Oct 31 21:02:00.803 INFO kablam! warning: function is never used: `test_env`
Oct 31 21:02:00.803 INFO kablam!   --> src/main.rs:16:1
Oct 31 21:02:00.803 INFO kablam!    |
Oct 31 21:02:00.803 INFO kablam! 16 | fn test_env() {
Oct 31 21:02:00.804 INFO kablam!    | ^^^^^^^^^^^^^
Oct 31 21:02:00.804 INFO kablam! 
Oct 31 21:02:00.832 INFO kablam! warning: function is never used: `str2key`
Oct 31 21:02:00.832 INFO kablam!  --> src/main.rs:7:1
Oct 31 21:02:00.833 INFO kablam!   |
Oct 31 21:02:00.833 INFO kablam! 7 | fn str2key(s: String) -> [u8; 16] {
Oct 31 21:02:00.833 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:02:00.833 INFO kablam!   |
Oct 31 21:02:00.834 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 21:02:00.848 INFO kablam! 
Oct 31 21:02:00.849 INFO kablam! warning: function is never used: `test_env`
Oct 31 21:02:00.849 INFO kablam!   --> src/main.rs:16:1
Oct 31 21:02:00.849 INFO kablam!    |
Oct 31 21:02:00.849 INFO kablam! 16 | fn test_env() {
Oct 31 21:02:00.850 INFO kablam!    | ^^^^^^^^^^^^^
Oct 31 21:02:00.850 INFO kablam! 
Oct 31 21:02:00.860 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Oct 31 21:02:00.868 INFO kablam! su: No module specific data is present
Oct 31 21:02:01.589 INFO running `"docker" "rm" "-f" "6bc5fccbce418af6a52e9f66679708708cbac5d6b9b337c6e6910c20509cdc16"`
Oct 31 21:02:01.829 INFO blam! 6bc5fccbce418af6a52e9f66679708708cbac5d6b9b337c6e6910c20509cdc16