[INFO] fetching crate cortex-a 3.0.1...
[INFO] checking cortex-a-3.0.1 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate cortex-a 3.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cortex-a 3.0.1 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cortex-a 3.0.1
[INFO] finished tweaking crates.io crate cortex-a 3.0.1
[INFO] tweaked toml for crates.io crate cortex-a 3.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] d20bcfb4c756913d1d0e66063d0318a50d70ffa1c245c24500fafe16814890c2
[INFO] running `"docker" "start" "-a" "d20bcfb4c756913d1d0e66063d0318a50d70ffa1c245c24500fafe16814890c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking tock-registers v0.5.0
[INFO] [stderr]     Checking register v0.5.0
[INFO] [stderr]     Checking cortex-a v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core`
[INFO] [stderr]   --> src/asm.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | 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:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use core;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/regs/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![rustfmt::skip]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/regs/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![rustfmt::skip]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "d20bcfb4c756913d1d0e66063d0318a50d70ffa1c245c24500fafe16814890c2"`
[INFO] running `"docker" "rm" "-f" "d20bcfb4c756913d1d0e66063d0318a50d70ffa1c245c24500fafe16814890c2"`
[INFO] [stdout] d20bcfb4c756913d1d0e66063d0318a50d70ffa1c245c24500fafe16814890c2