Nov 27 20:20:30.292 INFO checking singaraiona/slab against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 20:20:30.292 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 27 20:20:30.566 INFO [stdout] f34f473621685b287ee0e78ef215b83e31b0f9e7bc70579f5b8f3895c788dd46
Nov 27 20:20:30.566 INFO running `"docker" "start" "-a" "f34f473621685b287ee0e78ef215b83e31b0f9e7bc70579f5b8f3895c788dd46"`
Nov 27 20:20:31.379 INFO [stderr] usermod: no changes
Nov 27 20:20:31.428 INFO [stderr]     Checking slab v0.1.0 (/source)
Nov 27 20:20:31.652 INFO [stderr] warning: unused import: `std::fmt`
Nov 27 20:20:31.653 INFO [stderr]  --> src/heap.rs:1:5
Nov 27 20:20:31.653 INFO [stderr]   |
Nov 27 20:20:31.653 INFO [stderr] 1 | use std::fmt;
Nov 27 20:20:31.654 INFO [stderr]   |     ^^^^^^^^
Nov 27 20:20:31.654 INFO [stderr]   |
Nov 27 20:20:31.655 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:20:31.655 INFO [stderr] 
Nov 27 20:20:31.655 INFO [stderr] warning: unused import: `Level`
Nov 27 20:20:31.655 INFO [stderr]  --> src/main.rs:4:16
Nov 27 20:20:31.656 INFO [stderr]   |
Nov 27 20:20:31.656 INFO [stderr] 4 | use env::{AST, Level, Environment};
Nov 27 20:20:31.656 INFO [stderr]   |                ^^^^^
Nov 27 20:20:31.656 INFO [stderr] 
Nov 27 20:20:31.689 INFO [stderr] warning: unused import: `std::fmt`
Nov 27 20:20:31.690 INFO [stderr]  --> src/heap.rs:1:5
Nov 27 20:20:31.690 INFO [stderr]   |
Nov 27 20:20:31.690 INFO [stderr] 1 | use std::fmt;
Nov 27 20:20:31.691 INFO [stderr]   |     ^^^^^^^^
Nov 27 20:20:31.691 INFO [stderr]   |
Nov 27 20:20:31.691 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 20:20:31.691 INFO [stderr] 
Nov 27 20:20:31.691 INFO [stderr] warning: unused import: `Level`
Nov 27 20:20:31.691 INFO [stderr]  --> src/main.rs:4:16
Nov 27 20:20:31.692 INFO [stderr]   |
Nov 27 20:20:31.692 INFO [stderr] 4 | use env::{AST, Level, Environment};
Nov 27 20:20:31.692 INFO [stderr]   |                ^^^^^
Nov 27 20:20:31.692 INFO [stderr] 
Nov 27 20:20:31.793 INFO [stderr] warning: function is never used: `str2key`
Nov 27 20:20:31.793 INFO [stderr]  --> src/main.rs:7:1
Nov 27 20:20:31.794 INFO [stderr]   |
Nov 27 20:20:31.794 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Nov 27 20:20:31.794 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:20:31.794 INFO [stderr]   |
Nov 27 20:20:31.795 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 20:20:31.795 INFO [stderr] 
Nov 27 20:20:31.795 INFO [stderr] warning: function is never used: `test_env`
Nov 27 20:20:31.795 INFO [stderr]   --> src/main.rs:16:1
Nov 27 20:20:31.795 INFO [stderr]    |
Nov 27 20:20:31.795 INFO [stderr] 16 | fn test_env() {
Nov 27 20:20:31.796 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 27 20:20:31.796 INFO [stderr] 
Nov 27 20:20:31.828 INFO [stderr] warning: function is never used: `str2key`
Nov 27 20:20:31.829 INFO [stderr]  --> src/main.rs:7:1
Nov 27 20:20:31.832 INFO [stderr]   |
Nov 27 20:20:31.832 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Nov 27 20:20:31.832 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:20:31.832 INFO [stderr]   |
Nov 27 20:20:31.832 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 20:20:31.832 INFO [stderr] 
Nov 27 20:20:31.832 INFO [stderr] warning: function is never used: `test_env`
Nov 27 20:20:31.832 INFO [stderr]   --> src/main.rs:16:1
Nov 27 20:20:31.832 INFO [stderr]    |
Nov 27 20:20:31.832 INFO [stderr] 16 | fn test_env() {
Nov 27 20:20:31.832 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 27 20:20:31.832 INFO [stderr] 
Nov 27 20:20:31.863 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Nov 27 20:20:31.866 INFO [stderr] su: No module specific data is present
Nov 27 20:20:32.358 INFO running `"docker" "inspect" "f34f473621685b287ee0e78ef215b83e31b0f9e7bc70579f5b8f3895c788dd46"`
Nov 27 20:20:32.576 INFO running `"docker" "rm" "-f" "f34f473621685b287ee0e78ef215b83e31b0f9e7bc70579f5b8f3895c788dd46"`
Nov 27 20:20:32.840 INFO [stdout] f34f473621685b287ee0e78ef215b83e31b0f9e7bc70579f5b8f3895c788dd46