[INFO] cloning repository https://github.com/EndeR583/mkernel [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EndeR583/mkernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndeR583%2Fmkernel"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndeR583%2Fmkernel'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b0452d793cbe81a116bb6c55bba3aec7e37cc3fb [INFO] testing EndeR583/mkernel against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEndeR583%2Fmkernel" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] [stderr] Checking out files: 37% (285/756) Checking out files: 38% (288/756) Checking out files: 39% (295/756) Checking out files: 40% (303/756) Checking out files: 41% (310/756) Checking out files: 42% (318/756) Checking out files: 43% (326/756) Checking out files: 44% (333/756) Checking out files: 45% (341/756) Checking out files: 46% (348/756) Checking out files: 47% (356/756) Checking out files: 48% (363/756) Checking out files: 48% (364/756) Checking out files: 49% (371/756) Checking out files: 50% (378/756) Checking out files: 50% (382/756) Checking out files: 51% (386/756) Checking out files: 52% (394/756) Checking out files: 53% (401/756) Checking out files: 54% (409/756) Checking out files: 55% (416/756) Checking out files: 56% (424/756) Checking out files: 57% (431/756) Checking out files: 58% (439/756) Checking out files: 59% (447/756) Checking out files: 60% (454/756) Checking out files: 61% (462/756) Checking out files: 62% (469/756) Checking out files: 63% (477/756) Checking out files: 64% (484/756) Checking out files: 65% (492/756) Checking out files: 66% (499/756) Checking out files: 67% (507/756) Checking out files: 68% (515/756) Checking out files: 69% (522/756) Checking out files: 70% (530/756) Checking out files: 71% (537/756) Checking out files: 72% (545/756) Checking out files: 73% (552/756) Checking out files: 74% (560/756) Checking out files: 74% (564/756) Checking out files: 75% (567/756) Checking out files: 76% (575/756) Checking out files: 77% (583/756) Checking out files: 78% (590/756) Checking out files: 79% (598/756) Checking out files: 80% (605/756) Checking out files: 81% (613/756) Checking out files: 82% (620/756) Checking out files: 82% (622/756) Checking out files: 83% (628/756) Checking out files: 84% (636/756) Checking out files: 85% (643/756) Checking out files: 86% (651/756) Checking out files: 87% (658/756) Checking out files: 88% (666/756) Checking out files: 89% (673/756) Checking out files: 90% (681/756) Checking out files: 91% (688/756) Checking out files: 92% (696/756) Checking out files: 92% (703/756) Checking out files: 93% (704/756) Checking out files: 94% (711/756) Checking out files: 95% (719/756) Checking out files: 95% (720/756) Checking out files: 96% (726/756) Checking out files: 97% (734/756) Checking out files: 98% (741/756) Checking out files: 99% (749/756) Checking out files: 100% (756/756) Checking out files: 100% (756/756), done. [INFO] validating manifest of git repo https://github.com/EndeR583/mkernel on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/EndeR583/mkernel [INFO] finished tweaking git repo https://github.com/EndeR583/mkernel [INFO] tweaked toml for git repo https://github.com/EndeR583/mkernel written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/EndeR583/mkernel already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] 573210e70639be6d27005c24bc92da7f3e31eb1920312c6da5b93db671a72b40 [INFO] running `"docker" "start" "-a" "573210e70639be6d27005c24bc92da7f3e31eb1920312c6da5b93db671a72b40"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling bootloader v0.8.0 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling cpuio v0.2.0 [INFO] [stderr] Compiling volatile v0.2.6 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(asm, const_fn, no_std)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `cpuio`. [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" "573210e70639be6d27005c24bc92da7f3e31eb1920312c6da5b93db671a72b40"` [INFO] running `"docker" "rm" "-f" "573210e70639be6d27005c24bc92da7f3e31eb1920312c6da5b93db671a72b40"` [INFO] [stdout] 573210e70639be6d27005c24bc92da7f3e31eb1920312c6da5b93db671a72b40