[INFO] updating cached repository https://github.com/rafalmiel/cykusz-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/rafalmiel/cykusz-rs
[INFO] [stderr]    ea2fed3..d5df722  master     -> master
[INFO] [stderr]  * [new branch]      ps2        -> ps2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5df722d24ecb29c8d51c5b4de655c9cf3894af4
[INFO] checking rafalmiel/cykusz-rs against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frafalmiel%2Fcykusz-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rafalmiel/cykusz-rs on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rafalmiel/cykusz-rs
[INFO] finished tweaking git repo https://github.com/rafalmiel/cykusz-rs
[INFO] tweaked toml for git repo https://github.com/rafalmiel/cykusz-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rafalmiel/cykusz-rs already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 0e2e90cd45b7c413d435997aa0d1ad7d6a754b3441933b395aeb659b94714f55
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0e2e90cd45b7c413d435997aa0d1ad7d6a754b3441933b395aeb659b94714f55"`
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]     Checking linked_list_allocator v0.6.4
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking cykusz_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core::panic::PanicInfo`
[INFO] [stderr]  --> src/lang_items.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use core::panic::PanicInfo;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `oom`.
[INFO] [stderr]   --> src/lang_items.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / fn oom(layout: Layout) -> ! {
[INFO] [stderr] 24 | |     println!("Out of memory! {:?}", layout);
[INFO] [stderr] 25 | |     loop {}
[INFO] [stderr] 26 | | }
[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 `cykusz_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0e2e90cd45b7c413d435997aa0d1ad7d6a754b3441933b395aeb659b94714f55"`
[INFO] running `"docker" "rm" "-f" "0e2e90cd45b7c413d435997aa0d1ad7d6a754b3441933b395aeb659b94714f55"`
[INFO] [stdout] 0e2e90cd45b7c413d435997aa0d1ad7d6a754b3441933b395aeb659b94714f55