Dec 18 15:21:02.472 INFO checking guess_host_triple-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:21:02.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/guess_host_triple/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 15:21:02.726 INFO [stdout] 89599bf930fa51cee25c0339c46003c87147ee29b1de8043510a5ba9be6f1156
Dec 18 15:21:02.728 INFO running `"docker" "start" "-a" "89599bf930fa51cee25c0339c46003c87147ee29b1de8043510a5ba9be6f1156"`
Dec 18 15:21:03.448 INFO [stderr]     Checking guess_host_triple v0.1.0 (/opt/crater/workdir)
Dec 18 15:21:03.929 INFO [stderr] warning: variant is never constructed: `Unknown`
Dec 18 15:21:03.929 INFO [stderr]    --> src/lib.rs:106:5
Dec 18 15:21:03.929 INFO [stderr]     |
Dec 18 15:21:03.929 INFO [stderr] 106 |     Unknown,
Dec 18 15:21:03.929 INFO [stderr]     |     ^^^^^^^
Dec 18 15:21:03.929 INFO [stderr]     |
Dec 18 15:21:03.929 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 15:21:03.929 INFO [stderr] 
Dec 18 15:21:03.929 INFO [stderr] warning: variant is never constructed: `Big`
Dec 18 15:21:03.929 INFO [stderr]    --> src/lib.rs:107:5
Dec 18 15:21:03.929 INFO [stderr]     |
Dec 18 15:21:03.929 INFO [stderr] 107 |     Big,
Dec 18 15:21:03.929 INFO [stderr]     |     ^^^
Dec 18 15:21:03.929 INFO [stderr] 
Dec 18 15:21:03.929 INFO [stderr] warning: variant is never constructed: `Windows`
Dec 18 15:21:03.929 INFO [stderr]    --> src/lib.rs:114:5
Dec 18 15:21:03.929 INFO [stderr]     |
Dec 18 15:21:03.929 INFO [stderr] 114 |     Windows,
Dec 18 15:21:03.929 INFO [stderr]     |     ^^^^^^^
Dec 18 15:21:03.929 INFO [stderr] 
Dec 18 15:21:03.929 INFO [stderr] warning: variant is never constructed: `Android`
Dec 18 15:21:03.929 INFO [stderr]    --> src/lib.rs:115:5
Dec 18 15:21:03.929 INFO [stderr]     |
Dec 18 15:21:03.929 INFO [stderr] 115 |     Android,
Dec 18 15:21:03.929 INFO [stderr]     |     ^^^^^^^
Dec 18 15:21:03.929 INFO [stderr] 
Dec 18 15:21:04.256 INFO [stderr] warning: variant is never constructed: `Unknown`
Dec 18 15:21:04.256 INFO [stderr]    --> src/lib.rs:106:5
Dec 18 15:21:04.256 INFO [stderr]     |
Dec 18 15:21:04.256 INFO [stderr] 106 |     Unknown,
Dec 18 15:21:04.256 INFO [stderr]     |     ^^^^^^^
Dec 18 15:21:04.256 INFO [stderr]     |
Dec 18 15:21:04.256 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 15:21:04.256 INFO [stderr] 
Dec 18 15:21:04.698 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Dec 18 15:21:05.122 INFO running `"docker" "inspect" "89599bf930fa51cee25c0339c46003c87147ee29b1de8043510a5ba9be6f1156"`
Dec 18 15:21:05.275 INFO running `"docker" "rm" "-f" "89599bf930fa51cee25c0339c46003c87147ee29b1de8043510a5ba9be6f1156"`
Dec 18 15:21:05.364 INFO [stdout] 89599bf930fa51cee25c0339c46003c87147ee29b1de8043510a5ba9be6f1156