[INFO] cloning repository https://github.com/CODGI/RustOS
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CODGI/RustOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCODGI%2FRustOS"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCODGI%2FRustOS'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] afb584d52bc0ebc819f2e5e98a87d72e6d607f24
[INFO] testing CODGI/RustOS against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCODGI%2FRustOS" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CODGI/RustOS on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CODGI/RustOS
[INFO] finished tweaking git repo https://github.com/CODGI/RustOS
[INFO] tweaked toml for git repo https://github.com/CODGI/RustOS written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/CODGI/RustOS already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00715de391ddfc5ef70d03498a9d2f8d15a4510c9b13b8a7e8dbf01d08618f5e
[INFO] running `"docker" "start" "-a" "00715de391ddfc5ef70d03498a9d2f8d15a4510c9b13b8a7e8dbf01d08618f5e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling spin v0.4.8
[INFO] [stderr]    Compiling volatile v0.2.4
[INFO] [stderr] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/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]   = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stderr]   = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(feature = "asm", feature(asm))]
[INFO] [stderr]   |                              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[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" "00715de391ddfc5ef70d03498a9d2f8d15a4510c9b13b8a7e8dbf01d08618f5e"`
[INFO] running `"docker" "rm" "-f" "00715de391ddfc5ef70d03498a9d2f8d15a4510c9b13b8a7e8dbf01d08618f5e"`
[INFO] [stdout] 00715de391ddfc5ef70d03498a9d2f8d15a4510c9b13b8a7e8dbf01d08618f5e