[INFO] cloning repository https://github.com/armersong/nostd-sample
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/armersong/nostd-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmersong%2Fnostd-sample"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmersong%2Fnostd-sample'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d299098b10ec1b277cdfeb601b0c4ff86226588
[INFO] checking armersong/nostd-sample against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farmersong%2Fnostd-sample" "/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/armersong/nostd-sample on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/armersong/nostd-sample
[INFO] finished tweaking git repo https://github.com/armersong/nostd-sample
[INFO] tweaked toml for git repo https://github.com/armersong/nostd-sample written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/armersong/nostd-sample already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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-2019-10-27" "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] fd014254452a10cd385e344faec9ea7f043d23efa7899c1c4da92b0bd98804b5
[INFO] running `"docker" "start" "-a" "fd014254452a10cd385e344faec9ea7f043d23efa7899c1c4da92b0bd98804b5"`
[INFO] [stderr]     Checking libc v0.2.58
[INFO] [stderr]     Checking nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(start, libc, lang_items)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(alloc_error_handler)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `oom`.
[INFO] [stderr]    --> src/calloc.rs:146:1
[INFO] [stderr]     |
[INFO] [stderr] 146 | / fn alloc_error(layout: Layout) -> ! {
[INFO] [stderr] 147 | |     unsafe {
[INFO] [stderr] 148 | |         printf("Error! alloc_error size %d\n\0".as_ptr(), layout.size());
[INFO] [stderr] 149 | |     }
[INFO] [stderr] 150 | |     loop {}
[INFO] [stderr] 151 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/main.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stderr] 21 | |     loop {}
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `eh_personality`.
[INFO] [stderr]   --> src/main.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | extern "C" fn eh_personality() {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `panic_unwind`.
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0152, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `nostd`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fd014254452a10cd385e344faec9ea7f043d23efa7899c1c4da92b0bd98804b5"`
[INFO] running `"docker" "rm" "-f" "fd014254452a10cd385e344faec9ea7f043d23efa7899c1c4da92b0bd98804b5"`
[INFO] [stdout] fd014254452a10cd385e344faec9ea7f043d23efa7899c1c4da92b0bd98804b5