[INFO] updating cached repository https://github.com/lowenware/leos-kernel
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 980f8adc429df574a001b4e4dc90d92b6eae3254
[INFO] checking lowenware/leos-kernel against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flowenware%2Fleos-kernel" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lowenware/leos-kernel on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lowenware/leos-kernel
[INFO] finished tweaking git repo https://github.com/lowenware/leos-kernel
[INFO] tweaked toml for git repo https://github.com/lowenware/leos-kernel written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lowenware/leos-kernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d43642cb4cba3b9835dc79a1369f9c58d6145a797c9424800846bac61b8ee06
[INFO] running `Command { std: "docker" "start" "-a" "3d43642cb4cba3b9835dc79a1369f9c58d6145a797c9424800846bac61b8ee06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d43642cb4cba3b9835dc79a1369f9c58d6145a797c9424800846bac61b8ee06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d43642cb4cba3b9835dc79a1369f9c58d6145a797c9424800846bac61b8ee06", kill_on_drop: false }`
[INFO] [stdout] 3d43642cb4cba3b9835dc79a1369f9c58d6145a797c9424800846bac61b8ee06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e0354e948c8baf9794e808900b9985feaa65b9e9c82a61cc57decc6e89e0d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81e0354e948c8baf9794e808900b9985feaa65b9e9c82a61cc57decc6e89e0d7", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking leos-kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `oom`
[INFO] [stdout]   --> src/memory.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | / fn on_alloc_error(layout: alloc::alloc::Layout) -> ! {
[INFO] [stdout] 90 | |     panic!("memory allocation failed: {:?}", layout)
[INFO] [stdout] 91 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / fn on_panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 6  | |     log_write!(
[INFO] [stdout] 7  | |         "\n\n--------------------------------- \
[INFO] [stdout] 8  | |         Kernel Panic \
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     loop {}
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leos-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: build failed
[INFO] running `Command { std: "docker" "inspect" "81e0354e948c8baf9794e808900b9985feaa65b9e9c82a61cc57decc6e89e0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e0354e948c8baf9794e808900b9985feaa65b9e9c82a61cc57decc6e89e0d7", kill_on_drop: false }`
[INFO] [stdout] 81e0354e948c8baf9794e808900b9985feaa65b9e9c82a61cc57decc6e89e0d7