[INFO] crate drone-sx1276-cortex-m 0.1.0 is already in cache
[INFO] testing drone-sx1276-cortex-m-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate drone-sx1276-cortex-m 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate drone-sx1276-cortex-m 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate drone-sx1276-cortex-m 0.1.0
[INFO] finished tweaking crates.io crate drone-sx1276-cortex-m 0.1.0
[INFO] tweaked toml for crates.io crate drone-sx1276-cortex-m 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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] 735d75168aba4a7596ad8b20deb080eb7e9ab10968e1cc4307f6376eb8df57aa
[INFO] running `"docker" "start" "-a" "735d75168aba4a7596ad8b20deb080eb7e9ab10968e1cc4307f6376eb8df57aa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde-xml-rs v0.2.1
[INFO] [stderr]    Compiling drone-macros-core v0.7.0
[INFO] [stderr]    Compiling drone-cortex-m-svd v0.7.0
[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/drone-cortex-m-svd-0.7.0/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(range_contains)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-cortex-m-svd-0.7.0/src/device.rs:203:30
[INFO] [stderr]     |
[INFO] [stderr] 203 |         if BIT_BAND.contains(address) {
[INFO] [stderr]     |                              ^^^^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              expected `&u32`, found `u32`
[INFO] [stderr]     |                              help: consider borrowing here: `&address`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `drone-cortex-m-svd`.
[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" "735d75168aba4a7596ad8b20deb080eb7e9ab10968e1cc4307f6376eb8df57aa"`
[INFO] running `"docker" "rm" "-f" "735d75168aba4a7596ad8b20deb080eb7e9ab10968e1cc4307f6376eb8df57aa"`
[INFO] [stdout] 735d75168aba4a7596ad8b20deb080eb7e9ab10968e1cc4307f6376eb8df57aa