[INFO] crate nrf52840 0.2.0 is already in cache [INFO] testing nrf52840-0.2.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate nrf52840 0.2.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate nrf52840 0.2.0 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 crates.io crate nrf52840 0.2.0 [INFO] finished tweaking crates.io crate nrf52840 0.2.0 [INFO] tweaked toml for crates.io crate nrf52840 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 827d5b318ec16dc78610e1d7b8d0bb032e8cce468b42a537ca4c4ad56d97787b [INFO] running `"docker" "start" "-a" "827d5b318ec16dc78610e1d7b8d0bb032e8cce468b42a537ca4c4ad56d97787b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling cortex-m v0.5.10 [INFO] [stderr] Compiling nrf52840 v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling aligned v0.2.0 [INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported` [INFO] [stderr] --> src/lib.rs:1643:9 [INFO] [stderr] | [INFO] [stderr] 1643 | #[allow(private_no_mangle_statics)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #![feature(untagged_unions)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error; 1 warning emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `nrf52840`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "827d5b318ec16dc78610e1d7b8d0bb032e8cce468b42a537ca4c4ad56d97787b"` [INFO] running `"docker" "rm" "-f" "827d5b318ec16dc78610e1d7b8d0bb032e8cce468b42a537ca4c4ad56d97787b"` [INFO] [stdout] 827d5b318ec16dc78610e1d7b8d0bb032e8cce468b42a537ca4c4ad56d97787b