Dec 18 08:10:48.722 INFO checking ChijinZ/rust_test against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:10:48.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ChijinZ/rust_test:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:10:49.118 INFO [stdout] e38efadd08d6ac04938f4a838e0b3df92edb97a3ddabb1f217b143b1e2712f33
Dec 18 08:10:49.120 INFO running `"docker" "start" "-a" "e38efadd08d6ac04938f4a838e0b3df92edb97a3ddabb1f217b143b1e2712f33"`
Dec 18 08:10:50.720 INFO [stderr]     Checking mio-named-pipes v0.1.6
Dec 18 08:10:50.735 INFO [stderr]     Checking theban_interval_tree v0.7.1
Dec 18 08:10:50.737 INFO [stderr]     Checking bincode v1.0.1
Dec 18 08:10:50.740 INFO [stderr]     Checking tokio-uds v0.2.0
Dec 18 08:10:50.740 INFO [stderr]     Checking tokio-signal v0.2.1
Dec 18 08:10:50.740 INFO [stderr]     Checking tokio v0.1.7
Dec 18 08:10:51.868 INFO [stderr]     Checking shared_memory v0.8.0
Dec 18 08:10:52.567 INFO [stderr]     Checking tokio-process v0.2.2
Dec 18 08:10:53.728 INFO [stderr]     Checking msg-transmitter v0.3.0
Dec 18 08:10:54.901 INFO [stderr]     Checking rust_test v0.1.0 (/opt/crater/workdir)
Dec 18 08:10:55.265 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 18 08:10:55.265 INFO [stderr]  --> src/main.rs:1:5
Dec 18 08:10:55.265 INFO [stderr]   |
Dec 18 08:10:55.265 INFO [stderr] 1 | use std::cell::RefCell;
Dec 18 08:10:55.265 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 08:10:55.265 INFO [stderr]   |
Dec 18 08:10:55.265 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:10:55.265 INFO [stderr] 
Dec 18 08:10:55.265 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 18 08:10:55.265 INFO [stderr]  --> src/main.rs:2:17
Dec 18 08:10:55.265 INFO [stderr]   |
Dec 18 08:10:55.265 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 18 08:10:55.265 INFO [stderr]   |                 ^^^  ^^^^^
Dec 18 08:10:55.265 INFO [stderr] 
Dec 18 08:10:55.277 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 18 08:10:55.277 INFO [stderr]  --> src/main.rs:1:5
Dec 18 08:10:55.277 INFO [stderr]   |
Dec 18 08:10:55.277 INFO [stderr] 1 | use std::cell::RefCell;
Dec 18 08:10:55.277 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 18 08:10:55.277 INFO [stderr]   |
Dec 18 08:10:55.277 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:10:55.277 INFO [stderr] 
Dec 18 08:10:55.278 INFO [stderr] warning: unused imports: `Arc`, `Mutex`
Dec 18 08:10:55.278 INFO [stderr]  --> src/main.rs:2:17
Dec 18 08:10:55.278 INFO [stderr]   |
Dec 18 08:10:55.278 INFO [stderr] 2 | use std::sync::{Arc, Mutex};
Dec 18 08:10:55.278 INFO [stderr]   |                 ^^^  ^^^^^
Dec 18 08:10:55.278 INFO [stderr] 
Dec 18 08:10:55.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
Dec 18 08:10:55.886 INFO running `"docker" "inspect" "e38efadd08d6ac04938f4a838e0b3df92edb97a3ddabb1f217b143b1e2712f33"`
Dec 18 08:10:56.190 INFO running `"docker" "rm" "-f" "e38efadd08d6ac04938f4a838e0b3df92edb97a3ddabb1f217b143b1e2712f33"`
Dec 18 08:10:56.481 INFO [stdout] e38efadd08d6ac04938f4a838e0b3df92edb97a3ddabb1f217b143b1e2712f33