Dec 18 18:38:07.252 INFO checking althea_kernel_interface-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:38:07.253 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/althea_kernel_interface/0.1.0:/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 18:38:07.689 INFO [stdout] affdbbe4381f6d5e64a7c0a18c629ee57304528b466a93ba9e203b1a0b8a2c96
Dec 18 18:38:07.694 INFO running `"docker" "start" "-a" "affdbbe4381f6d5e64a7c0a18c629ee57304528b466a93ba9e203b1a0b8a2c96"`
Dec 18 18:38:09.640 INFO [stderr]    Compiling case v0.1.0
Dec 18 18:38:10.644 INFO [stderr]    Compiling derive-error v0.0.4
Dec 18 18:38:13.040 INFO [stderr]     Checking althea_kernel_interface v0.1.0 (/opt/crater/workdir)
Dec 18 18:38:13.916 INFO [stderr] warning: unused import: `ExitStatus`
Dec 18 18:38:13.916 INFO [stderr]   --> src/lib.rs:13:37
Dec 18 18:38:13.916 INFO [stderr]    |
Dec 18 18:38:13.916 INFO [stderr] 13 | use std::process::{Command, Output, ExitStatus};
Dec 18 18:38:13.916 INFO [stderr]    |                                     ^^^^^^^^^^
Dec 18 18:38:13.916 INFO [stderr]    |
Dec 18 18:38:13.916 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 18:38:13.916 INFO [stderr] 
Dec 18 18:38:13.916 INFO [stderr] warning: unused import: `std::os::unix::process::ExitStatusExt`
Dec 18 18:38:13.916 INFO [stderr]   --> src/lib.rs:14:5
Dec 18 18:38:13.916 INFO [stderr]    |
Dec 18 18:38:13.916 INFO [stderr] 14 | use std::os::unix::process::ExitStatusExt;
Dec 18 18:38:13.916 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:38:13.916 INFO [stderr] 
Dec 18 18:38:14.063 INFO [stderr] warning: method is never used: `add_fake_outputs`
Dec 18 18:38:14.063 INFO [stderr]   --> src/lib.rs:36:5
Dec 18 18:38:14.063 INFO [stderr]    |
Dec 18 18:38:14.063 INFO [stderr] 36 |     fn add_fake_outputs(&mut self, fake_outputs: HashMap<(&'a str, &'a [&'a str]), Output>) {
Dec 18 18:38:14.063 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:38:14.063 INFO [stderr]    |
Dec 18 18:38:14.063 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 18:38:14.063 INFO [stderr] 
Dec 18 18:38:14.252 INFO [stderr] warning: unused import: `std::os::unix::process::ExitStatusExt`
Dec 18 18:38:14.252 INFO [stderr]   --> src/lib.rs:14:5
Dec 18 18:38:14.252 INFO [stderr]    |
Dec 18 18:38:14.252 INFO [stderr] 14 | use std::os::unix::process::ExitStatusExt;
Dec 18 18:38:14.252 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:38:14.252 INFO [stderr]    |
Dec 18 18:38:14.252 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 18:38:14.252 INFO [stderr] 
Dec 18 18:38:14.521 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
Dec 18 18:38:15.414 INFO running `"docker" "inspect" "affdbbe4381f6d5e64a7c0a18c629ee57304528b466a93ba9e203b1a0b8a2c96"`
Dec 18 18:38:15.860 INFO running `"docker" "rm" "-f" "affdbbe4381f6d5e64a7c0a18c629ee57304528b466a93ba9e203b1a0b8a2c96"`
Dec 18 18:38:16.276 INFO [stdout] affdbbe4381f6d5e64a7c0a18c629ee57304528b466a93ba9e203b1a0b8a2c96