[INFO] fetching crate panic-abort 0.3.2...
[INFO] checking panic-abort-0.3.2 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate panic-abort 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate panic-abort 0.3.2 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate panic-abort 0.3.2
[INFO] finished tweaking crates.io crate panic-abort 0.3.2
[INFO] tweaked toml for crates.io crate panic-abort 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 77520ab342d4a15e45745ac2c8d260d4018b9ac0c23e7c64c04168d77d614af1
[INFO] running `"docker" "start" "-a" "77520ab342d4a15e45745ac2c8d260d4018b9ac0c23e7c64c04168d77d614af1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking panic-abort v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     unsafe { intrinsics::abort() }
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_unsafe)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `panic-abort`.
[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[E0152]: found duplicate lang item `panic_impl`
[INFO] [stderr]   --> src/lib.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 49 | |     unsafe { intrinsics::abort() }
[INFO] [stderr] 50 | | }
[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] For more information about this error, try `rustc --explain E0152`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "77520ab342d4a15e45745ac2c8d260d4018b9ac0c23e7c64c04168d77d614af1"`
[INFO] running `"docker" "rm" "-f" "77520ab342d4a15e45745ac2c8d260d4018b9ac0c23e7c64c04168d77d614af1"`
[INFO] [stdout] 77520ab342d4a15e45745ac2c8d260d4018b9ac0c23e7c64c04168d77d614af1