[INFO] cloning repository https://github.com/dhylands/drone-weact-blinky
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhylands/drone-weact-blinky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhylands%2Fdrone-weact-blinky", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhylands%2Fdrone-weact-blinky'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c72a5130d85cee10000f386e559ce4e1b4fb0ce0
[INFO] documenting dhylands/drone-weact-blinky against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhylands%2Fdrone-weact-blinky" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dhylands/drone-weact-blinky on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dhylands/drone-weact-blinky
[INFO] finished tweaking git repo https://github.com/dhylands/drone-weact-blinky
[INFO] tweaked toml for git repo https://github.com/dhylands/drone-weact-blinky written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dhylands/drone-weact-blinky already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `resolver` has been stabilized in the 1.51 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions for more information about using this feature.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded if_chain v1.0.0
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded thiserror-impl v1.0.18
[INFO] [stderr]   Downloaded thiserror v1.0.18
[INFO] [stderr]   Downloaded serde-xml-rs v0.4.0
[INFO] [stderr]   Downloaded drone-stm32-map-periph-tim v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-6 v0.12.1
[INFO] [stderr]   Downloaded drone-cortexm-macros v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map v0.12.1
[INFO] [stderr]   Downloaded drone-config v0.12.2
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-5 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-9 v0.12.1
[INFO] [stderr]   Downloaded drone-macros-core v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-periph-exti v0.12.1
[INFO] [stderr]   Downloaded dh-drone-stm32f4-utils v0.1.0
[INFO] [stderr]   Downloaded drone-stm32-map-periph-adc v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces v0.12.1
[INFO] [stderr]   Downloaded drone-ctypes v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-2 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-3 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-10 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-11 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-periph-gpio v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-periph-i2c v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-8 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-1 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-periph-dma v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-4 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-7 v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-pieces-12 v0.12.1
[INFO] [stderr]   Downloaded drone-cortexm v0.12.1
[INFO] [stderr]   Downloaded drone-svd v0.12.0
[INFO] [stderr]   Downloaded drone-core-macros v0.12.1
[INFO] [stderr]   Downloaded drone-core v0.12.1
[INFO] [stderr]   Downloaded drone-stm32-map-svd v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b45d4920a4cfeedce1df2bec909b4b364dd17614e76d1b98251f42389e91d80
[INFO] running `Command { std: "docker" "start" "-a" "4b45d4920a4cfeedce1df2bec909b4b364dd17614e76d1b98251f42389e91d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b45d4920a4cfeedce1df2bec909b4b364dd17614e76d1b98251f42389e91d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b45d4920a4cfeedce1df2bec909b4b364dd17614e76d1b98251f42389e91d80", kill_on_drop: false }`
[INFO] [stdout] 4b45d4920a4cfeedce1df2bec909b4b364dd17614e76d1b98251f42389e91d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a864de2dfa0c4aba97ab00846ed4657e757e850950c20849bc29e89cdfb7c7a
[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" "4a864de2dfa0c4aba97ab00846ed4657e757e850950c20849bc29e89cdfb7c7a", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `resolver` has been stabilized in the 1.51 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions for more information about using this feature.
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]     Checking drone-ctypes v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling drone-macros-core v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror v1.0.18
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling serde-xml-rs v0.4.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling drone-svd v0.12.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.12.0/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(bool_to_option)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.12.0/src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(cell_update)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.12.0/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(generator_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.12.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(generators)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.12.0/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #![feature(str_strip)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.12.0/src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(track_caller)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling drone-config v0.12.2
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drone-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 `Command { std: "docker" "inspect" "4a864de2dfa0c4aba97ab00846ed4657e757e850950c20849bc29e89cdfb7c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a864de2dfa0c4aba97ab00846ed4657e757e850950c20849bc29e89cdfb7c7a", kill_on_drop: false }`
[INFO] [stdout] 4a864de2dfa0c4aba97ab00846ed4657e757e850950c20849bc29e89cdfb7c7a
