Dec 04 10:04:50.332 INFO checking singaraiona/slab against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 10:04:50.332 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 10:04:50.691 INFO [stdout] 793576115baaaab4002c48e6f948298119c53bd9b4ac98219678173311beddc9
Dec 04 10:04:50.697 INFO running `"docker" "start" "-a" "793576115baaaab4002c48e6f948298119c53bd9b4ac98219678173311beddc9"`
Dec 04 10:04:51.771 INFO [stderr] usermod: no changes
Dec 04 10:04:51.843 INFO [stderr]     Checking slab v0.1.0 (/source)
Dec 04 10:04:52.231 INFO [stderr] warning: unused import: `std::fmt`
Dec 04 10:04:52.231 INFO [stderr]  --> src/heap.rs:1:5
Dec 04 10:04:52.231 INFO [stderr]   |
Dec 04 10:04:52.231 INFO [stderr] 1 | use std::fmt;
Dec 04 10:04:52.231 INFO [stderr]   |     ^^^^^^^^
Dec 04 10:04:52.231 INFO [stderr]   |
Dec 04 10:04:52.231 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:04:52.231 INFO [stderr] 
Dec 04 10:04:52.231 INFO [stderr] warning: unused import: `Level`
Dec 04 10:04:52.231 INFO [stderr]  --> src/main.rs:4:16
Dec 04 10:04:52.231 INFO [stderr]   |
Dec 04 10:04:52.231 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 04 10:04:52.231 INFO [stderr]   |                ^^^^^
Dec 04 10:04:52.231 INFO [stderr] 
Dec 04 10:04:52.323 INFO [stderr] warning: unused import: `std::fmt`
Dec 04 10:04:52.323 INFO [stderr]  --> src/heap.rs:1:5
Dec 04 10:04:52.323 INFO [stderr]   |
Dec 04 10:04:52.323 INFO [stderr] 1 | use std::fmt;
Dec 04 10:04:52.323 INFO [stderr]   |     ^^^^^^^^
Dec 04 10:04:52.323 INFO [stderr]   |
Dec 04 10:04:52.323 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:04:52.323 INFO [stderr] 
Dec 04 10:04:52.323 INFO [stderr] warning: unused import: `Level`
Dec 04 10:04:52.323 INFO [stderr]  --> src/main.rs:4:16
Dec 04 10:04:52.323 INFO [stderr]   |
Dec 04 10:04:52.323 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 04 10:04:52.323 INFO [stderr]   |                ^^^^^
Dec 04 10:04:52.323 INFO [stderr] 
Dec 04 10:04:52.428 INFO [stderr] warning: function is never used: `str2key`
Dec 04 10:04:52.428 INFO [stderr]  --> src/main.rs:7:1
Dec 04 10:04:52.428 INFO [stderr]   |
Dec 04 10:04:52.428 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 04 10:04:52.428 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:04:52.428 INFO [stderr]   |
Dec 04 10:04:52.428 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 10:04:52.428 INFO [stderr] 
Dec 04 10:04:52.428 INFO [stderr] warning: function is never used: `test_env`
Dec 04 10:04:52.428 INFO [stderr]   --> src/main.rs:16:1
Dec 04 10:04:52.428 INFO [stderr]    |
Dec 04 10:04:52.428 INFO [stderr] 16 | fn test_env() {
Dec 04 10:04:52.428 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 04 10:04:52.428 INFO [stderr] 
Dec 04 10:04:52.450 INFO [stderr] warning: function is never used: `str2key`
Dec 04 10:04:52.450 INFO [stderr]  --> src/main.rs:7:1
Dec 04 10:04:52.450 INFO [stderr]   |
Dec 04 10:04:52.450 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 04 10:04:52.450 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:04:52.450 INFO [stderr]   |
Dec 04 10:04:52.450 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 10:04:52.450 INFO [stderr] 
Dec 04 10:04:52.451 INFO [stderr] warning: function is never used: `test_env`
Dec 04 10:04:52.451 INFO [stderr]   --> src/main.rs:16:1
Dec 04 10:04:52.451 INFO [stderr]    |
Dec 04 10:04:52.451 INFO [stderr] 16 | fn test_env() {
Dec 04 10:04:52.451 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 04 10:04:52.451 INFO [stderr] 
Dec 04 10:04:52.487 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 04 10:04:52.492 INFO [stderr] su: No module specific data is present
Dec 04 10:04:52.971 INFO running `"docker" "inspect" "793576115baaaab4002c48e6f948298119c53bd9b4ac98219678173311beddc9"`
Dec 04 10:04:53.165 INFO running `"docker" "rm" "-f" "793576115baaaab4002c48e6f948298119c53bd9b4ac98219678173311beddc9"`
Dec 04 10:04:53.453 INFO [stdout] 793576115baaaab4002c48e6f948298119c53bd9b4ac98219678173311beddc9