Dec 19 08:44:25.310 INFO checking singaraiona/slab against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:44:25.310 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/singaraiona/slab:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:44:25.520 INFO [stdout] f7313de16d40d1870076a4665438de86aff35473d49441a1454681bbddf36411
Dec 19 08:44:25.522 INFO running `"docker" "start" "-a" "f7313de16d40d1870076a4665438de86aff35473d49441a1454681bbddf36411"`
Dec 19 08:44:26.195 INFO [stderr]     Checking slab v0.1.0 (/opt/crater/workdir)
Dec 19 08:44:26.301 INFO [stderr] warning: unused import: `std::fmt`
Dec 19 08:44:26.301 INFO [stderr]  --> src/heap.rs:1:5
Dec 19 08:44:26.301 INFO [stderr]   |
Dec 19 08:44:26.304 INFO [stderr] 1 | use std::fmt;
Dec 19 08:44:26.304 INFO [stderr]   |     ^^^^^^^^
Dec 19 08:44:26.304 INFO [stderr]   |
Dec 19 08:44:26.304 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:44:26.304 INFO [stderr] 
Dec 19 08:44:26.304 INFO [stderr] warning: unused import: `Level`
Dec 19 08:44:26.304 INFO [stderr]  --> src/main.rs:4:16
Dec 19 08:44:26.304 INFO [stderr]   |
Dec 19 08:44:26.304 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 19 08:44:26.304 INFO [stderr]   |                ^^^^^
Dec 19 08:44:26.304 INFO [stderr] 
Dec 19 08:44:26.312 INFO [stderr] warning: unused import: `std::fmt`
Dec 19 08:44:26.313 INFO [stderr]  --> src/heap.rs:1:5
Dec 19 08:44:26.313 INFO [stderr]   |
Dec 19 08:44:26.313 INFO [stderr] 1 | use std::fmt;
Dec 19 08:44:26.313 INFO [stderr]   |     ^^^^^^^^
Dec 19 08:44:26.313 INFO [stderr]   |
Dec 19 08:44:26.313 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 08:44:26.313 INFO [stderr] 
Dec 19 08:44:26.313 INFO [stderr] warning: unused import: `Level`
Dec 19 08:44:26.313 INFO [stderr]  --> src/main.rs:4:16
Dec 19 08:44:26.313 INFO [stderr]   |
Dec 19 08:44:26.313 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 19 08:44:26.313 INFO [stderr]   |                ^^^^^
Dec 19 08:44:26.313 INFO [stderr] 
Dec 19 08:44:26.407 INFO [stderr] warning: function is never used: `str2key`
Dec 19 08:44:26.407 INFO [stderr]  --> src/main.rs:7:1
Dec 19 08:44:26.407 INFO [stderr]   |
Dec 19 08:44:26.407 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 19 08:44:26.407 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:44:26.407 INFO [stderr]   |
Dec 19 08:44:26.407 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 08:44:26.407 INFO [stderr] 
Dec 19 08:44:26.407 INFO [stderr] warning: function is never used: `test_env`
Dec 19 08:44:26.407 INFO [stderr]   --> src/main.rs:16:1
Dec 19 08:44:26.407 INFO [stderr]    |
Dec 19 08:44:26.407 INFO [stderr] 16 | fn test_env() {
Dec 19 08:44:26.407 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 19 08:44:26.407 INFO [stderr] 
Dec 19 08:44:26.420 INFO [stderr] warning: function is never used: `str2key`
Dec 19 08:44:26.420 INFO [stderr]  --> src/main.rs:7:1
Dec 19 08:44:26.420 INFO [stderr]   |
Dec 19 08:44:26.420 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 19 08:44:26.420 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:44:26.420 INFO [stderr]   |
Dec 19 08:44:26.420 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 08:44:26.420 INFO [stderr] 
Dec 19 08:44:26.420 INFO [stderr] warning: function is never used: `test_env`
Dec 19 08:44:26.421 INFO [stderr]   --> src/main.rs:16:1
Dec 19 08:44:26.421 INFO [stderr]    |
Dec 19 08:44:26.421 INFO [stderr] 16 | fn test_env() {
Dec 19 08:44:26.421 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 19 08:44:26.421 INFO [stderr] 
Dec 19 08:44:26.436 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Dec 19 08:44:26.677 INFO running `"docker" "inspect" "f7313de16d40d1870076a4665438de86aff35473d49441a1454681bbddf36411"`
Dec 19 08:44:26.776 INFO running `"docker" "rm" "-f" "f7313de16d40d1870076a4665438de86aff35473d49441a1454681bbddf36411"`
Dec 19 08:44:26.875 INFO [stdout] f7313de16d40d1870076a4665438de86aff35473d49441a1454681bbddf36411