[INFO] updating cached repository https://github.com/GiantPanda0090/x86_64_RustOS
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae79d8c66a8033af2bff404a82c753023c01bb0d
[INFO] checking GiantPanda0090/x86_64_RustOS against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiantPanda0090%2Fx86_64_RustOS" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  96% (181/187)   
Checking out files:  97% (182/187)   
Checking out files:  98% (184/187)   
Checking out files:  99% (186/187)   
Checking out files: 100% (187/187)   
Checking out files: 100% (187/187), done.
[INFO] validating manifest of git repo https://github.com/GiantPanda0090/x86_64_RustOS on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] finished tweaking git repo https://github.com/GiantPanda0090/x86_64_RustOS
[INFO] tweaked toml for git repo https://github.com/GiantPanda0090/x86_64_RustOS written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/GiantPanda0090/x86_64_RustOS already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "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" "+1a399c10897767c36d147199696c96f193034e49" "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] a7767b6df715112fdff88317fc624876e7aebd94b29be7423fdf57623f503f9b
[INFO] running `"docker" "start" "-a" "a7767b6df715112fdff88317fc624876e7aebd94b29be7423fdf57623f503f9b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bit_field v0.7.0
[INFO] [stderr]     Checking spin v0.4.6
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking once v0.3.3
[INFO] [stderr]     Checking volatile v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/util.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     unsafe { asm!("pause" :::: "volatile"); }
[INFO] [stderr]   |              ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |              |
[INFO] [stderr]   |              help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr]     Checking multiboot2 v0.1.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `spin`.
[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 `"docker" "inspect" "a7767b6df715112fdff88317fc624876e7aebd94b29be7423fdf57623f503f9b"`
[INFO] running `"docker" "rm" "-f" "a7767b6df715112fdff88317fc624876e7aebd94b29be7423fdf57623f503f9b"`
[INFO] [stdout] a7767b6df715112fdff88317fc624876e7aebd94b29be7423fdf57623f503f9b