Dec 18 16:57:10.192 INFO checking dono-2.0.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:57:10.192 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/reg/dono/2.0.0:/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 16:57:10.482 INFO [stdout] dfde8b10ab1e6570ba772943e41297c1b0e84ad18a9fd46fb9d5f8d9191730c1
Dec 18 16:57:10.484 INFO running `"docker" "start" "-a" "dfde8b10ab1e6570ba772943e41297c1b0e84ad18a9fd46fb9d5f8d9191730c1"`
Dec 18 16:57:11.480 INFO [stderr]     Checking os_type v0.5.0
Dec 18 16:57:12.112 INFO [stderr]     Checking dono v2.0.0 (/opt/crater/workdir)
Dec 18 16:57:12.664 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 18 16:57:12.664 INFO [stderr]    --> src/labels.rs:237:30
Dec 18 16:57:12.664 INFO [stderr]     |
Dec 18 16:57:12.664 INFO [stderr] 237 |     let mut home_directory = env::home_dir().unwrap();
Dec 18 16:57:12.664 INFO [stderr]     |                              ^^^^^^^^^^^^^
Dec 18 16:57:12.664 INFO [stderr]     |
Dec 18 16:57:12.664 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 16:57:12.664 INFO [stderr] 
Dec 18 16:57:12.676 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 18 16:57:12.676 INFO [stderr]    --> src/labels.rs:237:30
Dec 18 16:57:12.676 INFO [stderr]     |
Dec 18 16:57:12.676 INFO [stderr] 237 |     let mut home_directory = env::home_dir().unwrap();
Dec 18 16:57:12.676 INFO [stderr]     |                              ^^^^^^^^^^^^^
Dec 18 16:57:12.676 INFO [stderr]     |
Dec 18 16:57:12.676 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 16:57:12.676 INFO [stderr] 
Dec 18 16:57:13.647 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 18 16:57:13.647 INFO [stderr]    --> tests/labels.rs:264:30
Dec 18 16:57:13.647 INFO [stderr]     |
Dec 18 16:57:13.647 INFO [stderr] 264 |     let mut home_directory = env::home_dir().unwrap();
Dec 18 16:57:13.647 INFO [stderr]     |                              ^^^^^^^^^^^^^
Dec 18 16:57:13.647 INFO [stderr]     |
Dec 18 16:57:13.647 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 16:57:13.647 INFO [stderr] 
Dec 18 16:57:13.804 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:57:13.804 INFO [stderr]    --> tests/labels.rs:106:9
Dec 18 16:57:13.804 INFO [stderr]     |
Dec 18 16:57:13.804 INFO [stderr] 106 |     let mut label = labels.last_mut().unwrap();
Dec 18 16:57:13.804 INFO [stderr]     |         ----^^^^^
Dec 18 16:57:13.804 INFO [stderr]     |         |
Dec 18 16:57:13.804 INFO [stderr]     |         help: remove this `mut`
Dec 18 16:57:13.804 INFO [stderr]     |
Dec 18 16:57:13.804 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:57:13.804 INFO [stderr] 
Dec 18 16:57:13.853 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
Dec 18 16:57:14.422 INFO running `"docker" "inspect" "dfde8b10ab1e6570ba772943e41297c1b0e84ad18a9fd46fb9d5f8d9191730c1"`
Dec 18 16:57:14.630 INFO running `"docker" "rm" "-f" "dfde8b10ab1e6570ba772943e41297c1b0e84ad18a9fd46fb9d5f8d9191730c1"`
Dec 18 16:57:14.868 INFO [stdout] dfde8b10ab1e6570ba772943e41297c1b0e84ad18a9fd46fb9d5f8d9191730c1