[INFO] crate cortex-a 2.2.2 is already in cache
[INFO] extracting crate cortex-a 2.2.2 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/cortex-a/2.2.2
[INFO] extracting crate cortex-a 2.2.2 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/cortex-a/2.2.2
[INFO] validating manifest of cortex-a-2.2.2 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cortex-a-2.2.2 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cortex-a-2.2.2
[INFO] finished frobbing cortex-a-2.2.2
[INFO] frobbed toml for cortex-a-2.2.2 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/cortex-a/2.2.2/Cargo.toml
[INFO] started frobbing cortex-a-2.2.2
[INFO] finished frobbing cortex-a-2.2.2
[INFO] frobbed toml for cortex-a-2.2.2 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/cortex-a/2.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cortex-a-2.2.2 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-1/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/cortex-a/2.2.2:/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eff0ad74b396982454589175dac4e1da565f152b82e10913bec12cb369fa95c3
[INFO] running `"docker" "start" "-a" "eff0ad74b396982454589175dac4e1da565f152b82e10913bec12cb369fa95c3"`
[INFO] [stderr]     Checking tock-registers v0.2.0
[INFO] [stderr]     Checking register v0.2.1
[INFO] [stderr]     Checking cortex-a v2.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `core`
[INFO] [stderr]   --> src/asm.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     use core;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core`
[INFO] [stderr]   --> src/asm.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     use core;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "eff0ad74b396982454589175dac4e1da565f152b82e10913bec12cb369fa95c3"`
[INFO] running `"docker" "rm" "-f" "eff0ad74b396982454589175dac4e1da565f152b82e10913bec12cb369fa95c3"`
[INFO] [stdout] eff0ad74b396982454589175dac4e1da565f152b82e10913bec12cb369fa95c3