Nov 29 18:07:31.437 INFO checking singaraiona/slab against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 18:07:31.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 18:07:32.006 INFO [stdout] 67efc663ba732c21d0104a5cb45dafcf9600ab2f845fb16cd62cbbf9336cfc87
Nov 29 18:07:32.008 INFO running `"docker" "start" "-a" "67efc663ba732c21d0104a5cb45dafcf9600ab2f845fb16cd62cbbf9336cfc87"`
Nov 29 18:07:33.424 INFO [stderr] usermod: no changes
Nov 29 18:07:33.512 INFO [stderr]     Checking slab v0.1.0 (/source)
Nov 29 18:07:33.826 INFO [stderr] warning: unused import: `std::fmt`
Nov 29 18:07:33.826 INFO [stderr]  --> src/heap.rs:1:5
Nov 29 18:07:33.826 INFO [stderr]   |
Nov 29 18:07:33.826 INFO [stderr] 1 | use std::fmt;
Nov 29 18:07:33.826 INFO [stderr]   |     ^^^^^^^^
Nov 29 18:07:33.826 INFO [stderr]   |
Nov 29 18:07:33.826 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 18:07:33.826 INFO [stderr] 
Nov 29 18:07:33.836 INFO [stderr] warning: unused import: `Level`
Nov 29 18:07:33.836 INFO [stderr]  --> src/main.rs:4:16
Nov 29 18:07:33.836 INFO [stderr]   |
Nov 29 18:07:33.836 INFO [stderr] 4 | use env::{AST, Level, Environment};
Nov 29 18:07:33.836 INFO [stderr]   |                ^^^^^
Nov 29 18:07:33.836 INFO [stderr] 
Nov 29 18:07:33.884 INFO [stderr] warning: unused import: `std::fmt`
Nov 29 18:07:33.884 INFO [stderr]  --> src/heap.rs:1:5
Nov 29 18:07:33.884 INFO [stderr]   |
Nov 29 18:07:33.884 INFO [stderr] 1 | use std::fmt;
Nov 29 18:07:33.884 INFO [stderr]   |     ^^^^^^^^
Nov 29 18:07:33.884 INFO [stderr]   |
Nov 29 18:07:33.884 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 18:07:33.884 INFO [stderr] 
Nov 29 18:07:33.884 INFO [stderr] warning: unused import: `Level`
Nov 29 18:07:33.884 INFO [stderr]  --> src/main.rs:4:16
Nov 29 18:07:33.884 INFO [stderr]   |
Nov 29 18:07:33.884 INFO [stderr] 4 | use env::{AST, Level, Environment};
Nov 29 18:07:33.884 INFO [stderr]   |                ^^^^^
Nov 29 18:07:33.884 INFO [stderr] 
Nov 29 18:07:33.992 INFO [stderr] warning: function is never used: `str2key`
Nov 29 18:07:33.992 INFO [stderr]  --> src/main.rs:7:1
Nov 29 18:07:33.992 INFO [stderr]   |
Nov 29 18:07:33.992 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Nov 29 18:07:33.992 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:07:33.992 INFO [stderr]   |
Nov 29 18:07:33.992 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 18:07:33.992 INFO [stderr] 
Nov 29 18:07:33.992 INFO [stderr] warning: function is never used: `test_env`
Nov 29 18:07:33.992 INFO [stderr]   --> src/main.rs:16:1
Nov 29 18:07:33.992 INFO [stderr]    |
Nov 29 18:07:33.992 INFO [stderr] 16 | fn test_env() {
Nov 29 18:07:33.992 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 29 18:07:33.992 INFO [stderr] 
Nov 29 18:07:34.093 INFO [stderr] warning: function is never used: `str2key`
Nov 29 18:07:34.093 INFO [stderr]  --> src/main.rs:7:1
Nov 29 18:07:34.093 INFO [stderr]   |
Nov 29 18:07:34.093 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Nov 29 18:07:34.093 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:07:34.093 INFO [stderr]   |
Nov 29 18:07:34.093 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 18:07:34.093 INFO [stderr] 
Nov 29 18:07:34.093 INFO [stderr] warning: function is never used: `test_env`
Nov 29 18:07:34.093 INFO [stderr]   --> src/main.rs:16:1
Nov 29 18:07:34.093 INFO [stderr]    |
Nov 29 18:07:34.093 INFO [stderr] 16 | fn test_env() {
Nov 29 18:07:34.093 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 29 18:07:34.093 INFO [stderr] 
Nov 29 18:07:34.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Nov 29 18:07:34.120 INFO [stderr] su: No module specific data is present
Nov 29 18:07:34.676 INFO running `"docker" "inspect" "67efc663ba732c21d0104a5cb45dafcf9600ab2f845fb16cd62cbbf9336cfc87"`
Nov 29 18:07:34.922 INFO running `"docker" "rm" "-f" "67efc663ba732c21d0104a5cb45dafcf9600ab2f845fb16cd62cbbf9336cfc87"`
Nov 29 18:07:35.212 INFO [stdout] 67efc663ba732c21d0104a5cb45dafcf9600ab2f845fb16cd62cbbf9336cfc87