[INFO] cloning repository https://github.com/kacejot/kernel
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kacejot/kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkacejot%2Fkernel"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkacejot%2Fkernel'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 303243e2134eb53fed8ef6ad57cfb66c0ec488d5
[INFO] checking kacejot/kernel against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkacejot%2Fkernel" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kacejot/kernel on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kacejot/kernel
[INFO] finished tweaking git repo https://github.com/kacejot/kernel
[INFO] tweaked toml for git repo https://github.com/kacejot/kernel written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kacejot/kernel already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] a1d31ac4788f6d2d2fd463bee39e9208064b26fe3c8a2b0f4a74d686194caf0a
[INFO] running `"docker" "start" "-a" "a1d31ac4788f6d2d2fd463bee39e9208064b26fe3c8a2b0f4a74d686194caf0a"`
[INFO] [stderr]     Checking tock-registers v0.5.0
[INFO] [stderr]     Checking register v0.5.0
[INFO] [stderr]     Checking cortex-a v2.9.0
[INFO] [stderr]     Checking kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / fn panic(_panic: &PanicInfo<'_>) -> ! {
[INFO] [stderr] 13 | |     loop {}
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `kernel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `kernel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a1d31ac4788f6d2d2fd463bee39e9208064b26fe3c8a2b0f4a74d686194caf0a"`
[INFO] running `"docker" "rm" "-f" "a1d31ac4788f6d2d2fd463bee39e9208064b26fe3c8a2b0f4a74d686194caf0a"`
[INFO] [stdout] a1d31ac4788f6d2d2fd463bee39e9208064b26fe3c8a2b0f4a74d686194caf0a