[INFO] fetching crate cortex-a 2.7.0...
[INFO] checking cortex-a-2.7.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate cortex-a 2.7.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cortex-a 2.7.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cortex-a 2.7.0
[INFO] finished tweaking crates.io crate cortex-a 2.7.0
[INFO] tweaked toml for crates.io crate cortex-a 2.7.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded register v0.3.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 945d12116da0555dc645348aa2e9236f69427ac342ab10eff519d4ca07726175
[INFO] running `"docker" "start" "-a" "945d12116da0555dc645348aa2e9236f69427ac342ab10eff519d4ca07726175"`
[INFO] [stderr]     Checking tock-registers v0.3.0
[INFO] [stderr]     Checking register v0.3.3
[INFO] [stderr]     Checking cortex-a v2.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `core` is imported redundantly
[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] warning: the item `core` is imported redundantly
[INFO] [stderr]   --> src/asm.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use core;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core`
[INFO] [stderr]   --> src/asm.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use core;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `core` is imported redundantly
[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] warning: the item `core` is imported redundantly
[INFO] [stderr]   --> src/asm.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use core;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core`
[INFO] [stderr]   --> src/asm.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use core;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "945d12116da0555dc645348aa2e9236f69427ac342ab10eff519d4ca07726175"`
[INFO] running `"docker" "rm" "-f" "945d12116da0555dc645348aa2e9236f69427ac342ab10eff519d4ca07726175"`
[INFO] [stdout] 945d12116da0555dc645348aa2e9236f69427ac342ab10eff519d4ca07726175