[INFO] cloning repository https://github.com/mmou/rgbw-led-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmou/rgbw-led-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmou%2Frgbw-led-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmou%2Frgbw-led-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d51bb8e1263cc97ce62d392d8d65a7e572ef2c34 [INFO] testing mmou/rgbw-led-rs against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmou%2Frgbw-led-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmou/rgbw-led-rs 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] removed /workspace/builds/worker-14/source/.cargo/config [INFO] started tweaking git repo https://github.com/mmou/rgbw-led-rs [INFO] finished tweaking git repo https://github.com/mmou/rgbw-led-rs [INFO] tweaked toml for git repo https://github.com/mmou/rgbw-led-rs written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/mmou/rgbw-led-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/evq/ditherable-leds` [INFO] [stderr] Updating git repository `https://github.com/evq/maple-mini-rs` [INFO] [stderr] Updating git repository `https://github.com/evq/smart-leds-trait` [INFO] [stderr] Updating git repository `https://github.com/evq/stm32f103xx-usb` [INFO] [stderr] Updating git repository `https://github.com/mvirkkunen/usb-device` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embedded-hal v0.2.2 [INFO] [stderr] Downloaded vcell v0.1.0 [INFO] [stderr] Downloaded bare-metal v0.2.4 [INFO] [stderr] Downloaded stm32f1xx-hal v0.2.1 [INFO] [stderr] Downloaded cortex-m-rt v0.6.7 [INFO] [stderr] Downloaded proc-macro-hack v0.5.4 [INFO] [stderr] Downloaded cortex-m v0.5.8 [INFO] [stderr] Downloaded heapless v0.4.2 [INFO] [stderr] Downloaded cortex-m-semihosting v0.3.2 [INFO] [stderr] Downloaded panic-semihosting v0.5.1 [INFO] [stderr] Downloaded stm32f1 v0.6.0 [INFO] [stderr] Downloaded owned-singleton v0.1.0 [INFO] [stderr] Downloaded cortex-m-rtfm v0.4.2 [INFO] [stderr] Downloaded nb v0.1.1 [INFO] [stderr] Downloaded owned-singleton-macros v0.1.0 [INFO] [stderr] Downloaded cortex-m-rtfm-macros v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] fcff23701d62cde4f4914833e801fdfc239d7ef83a3ec279eef9dbd49f116fe8 [INFO] running `Command { std: "docker" "start" "-a" "fcff23701d62cde4f4914833e801fdfc239d7ef83a3ec279eef9dbd49f116fe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcff23701d62cde4f4914833e801fdfc239d7ef83a3ec279eef9dbd49f116fe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcff23701d62cde4f4914833e801fdfc239d7ef83a3ec279eef9dbd49f116fe8", kill_on_drop: false }` [INFO] [stdout] fcff23701d62cde4f4914833e801fdfc239d7ef83a3ec279eef9dbd49f116fe8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f1a64cffa4371f0d903336a9c1ca4c10933a7bfac6b3d349a2c5922e8b66b1ab [INFO] running `Command { std: "docker" "start" "-a" "f1a64cffa4371f0d903336a9c1ca4c10933a7bfac6b3d349a2c5922e8b66b1ab", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling vcell v0.1.0 [INFO] [stderr] Compiling cortex-m v0.5.8 [INFO] [stderr] Compiling aligned v0.2.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling cortex-m-rt v0.6.7 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling stm32f1 v0.6.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling nb v0.1.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling cortex-m-semihosting v0.3.2 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling rgb v0.8.13 [INFO] [stderr] Compiling cortex-m-rtfm v0.4.2 [INFO] [stderr] Compiling usb-device v0.2.0 (https://github.com/mvirkkunen/usb-device?rev=e58e30f3b9c9bf4aab00ea039d129b964a3fd2d3#e58e30f3) [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling volatile-register v0.2.0 [INFO] [stderr] Compiling embedded-hal v0.2.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.4 [INFO] [stderr] Compiling hash32 v0.1.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling generic-array v0.11.1 [INFO] [stderr] Compiling smart-leds-trait v0.1.1 (https://github.com/evq/smart-leds-trait?branch=wip#5727e380) [INFO] [stderr] Compiling heapless v0.4.2 [INFO] [stderr] Compiling panic-semihosting v0.5.1 [INFO] [stderr] Compiling cortex-m-rt-macros v0.1.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.4 [INFO] [stderr] Compiling owned-singleton-macros v0.1.0 [INFO] [stderr] Compiling cortex-m-rtfm-macros v0.4.2 [INFO] [stderr] Compiling owned-singleton v0.1.0 [INFO] [stderr] Compiling gamma-lut-macro v0.1.0 (https://github.com/evq/ditherable-leds?branch=master#61675073) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/git/checkouts/ditherable-leds-1610cab12ce2033b/6167507/gamma-lut-macro/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(box_patterns)] [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 `gamma-lut-macro` 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" "f1a64cffa4371f0d903336a9c1ca4c10933a7bfac6b3d349a2c5922e8b66b1ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a64cffa4371f0d903336a9c1ca4c10933a7bfac6b3d349a2c5922e8b66b1ab", kill_on_drop: false }` [INFO] [stdout] f1a64cffa4371f0d903336a9c1ca4c10933a7bfac6b3d349a2c5922e8b66b1ab