[INFO] fetching crate riot-wrappers 0.7.4... [INFO] testing riot-wrappers-0.7.4 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate riot-wrappers 0.7.4 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate riot-wrappers 0.7.4 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate riot-wrappers 0.7.4 [INFO] finished tweaking crates.io crate riot-wrappers 0.7.4 [INFO] tweaked toml for crates.io crate riot-wrappers 0.7.4 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded as-slice v0.1.5 [INFO] [stderr] Downloaded coap-numbers v0.1.2 [INFO] [stderr] Downloaded coap-handler v0.1.1 [INFO] [stderr] Downloaded riot-sys v0.4.1 [INFO] [stderr] Downloaded windowed-infinity v0.1.1 [INFO] [stderr] Downloaded generic-array v0.13.3 [INFO] [stderr] Downloaded mutex-trait v0.2.0 [INFO] [stderr] Downloaded coap-message v0.2.0 [INFO] [stderr] Downloaded heapless v0.5.6 [INFO] [stderr] Downloaded cstr_core v0.2.4 [INFO] [stderr] Downloaded cty v0.2.1 [INFO] [stderr] Downloaded c2rust-bitfields-derive v0.2.1 [INFO] [stderr] Downloaded embedded-graphics v0.6.2 [INFO] [stderr] Downloaded embedded-nal v0.2.0 [INFO] [stderr] Downloaded c2rust-asm-casts v0.2.0 [INFO] [stderr] Downloaded no-std-net v0.4.0 [INFO] [stderr] Downloaded c2rust-bitfields v0.3.0 [INFO] [stderr] Downloaded hex-noalloc v0.3.2-post1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97fc7d168cedb21e2f673ee48ff2f6c93d15ba3d718270f28a9493c4ac84b766 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "97fc7d168cedb21e2f673ee48ff2f6c93d15ba3d718270f28a9493c4ac84b766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97fc7d168cedb21e2f673ee48ff2f6c93d15ba3d718270f28a9493c4ac84b766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97fc7d168cedb21e2f673ee48ff2f6c93d15ba3d718270f28a9493c4ac84b766", kill_on_drop: false }` [INFO] [stdout] 97fc7d168cedb21e2f673ee48ff2f6c93d15ba3d718270f28a9493c4ac84b766 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df817f8c072cedf59f3d2cf5f3f951e549a47190b80284dca98d016de3ad4ad2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "df817f8c072cedf59f3d2cf5f3f951e549a47190b80284dca98d016de3ad4ad2", kill_on_drop: false }` [INFO] [stderr] Compiling bindgen v0.53.3 [INFO] [stderr] Compiling cty v0.2.1 [INFO] [stderr] Compiling c2rust-asm-casts v0.2.0 [INFO] [stderr] Compiling mutex-trait v0.2.0 [INFO] [stderr] Compiling hex-noalloc v0.3.2-post1 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling riot-wrappers v0.7.4 (/opt/rustwide/workdir) [INFO] [stderr] Compiling embedded-graphics v0.6.2 [INFO] [stderr] Compiling c2rust-bitfields-derive v0.2.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling cstr_core v0.2.4 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cstr_core-0.2.4/src/lib.rs:3:34 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(feature = "nightly", feature(const_raw_ptr_deref))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `cstr_core` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "df817f8c072cedf59f3d2cf5f3f951e549a47190b80284dca98d016de3ad4ad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df817f8c072cedf59f3d2cf5f3f951e549a47190b80284dca98d016de3ad4ad2", kill_on_drop: false }` [INFO] [stdout] df817f8c072cedf59f3d2cf5f3f951e549a47190b80284dca98d016de3ad4ad2