[INFO] crate neutron-star-rt 0.2.1 is already in cache
[INFO] checking neutron-star-rt-0.2.1 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate neutron-star-rt 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate neutron-star-rt 0.2.1 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate neutron-star-rt 0.2.1
[INFO] finished tweaking crates.io crate neutron-star-rt 0.2.1
[INFO] tweaked toml for crates.io crate neutron-star-rt 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 7abc70c01cc6d91a3d63f9054d628071bf8e8388d365e50725de80ffcf0bd626
[INFO] running `"docker" "start" "-a" "7abc70c01cc6d91a3d63f9054d628071bf8e8388d365e50725de80ffcf0bd626"`
[INFO] [stderr]    Compiling neutron-star-rt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/lib.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | / pub fn _neutron_panic_handler(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stderr] 37 | |     unsafe{
[INFO] [stderr] 38 | |         //return fault + error + revert
[INFO] [stderr] 39 | |         __exit(8 + 1 + 2);
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: 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: could not compile `neutron-star-rt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7abc70c01cc6d91a3d63f9054d628071bf8e8388d365e50725de80ffcf0bd626"`
[INFO] running `"docker" "rm" "-f" "7abc70c01cc6d91a3d63f9054d628071bf8e8388d365e50725de80ffcf0bd626"`
[INFO] [stdout] 7abc70c01cc6d91a3d63f9054d628071bf8e8388d365e50725de80ffcf0bd626