[INFO] fetching crate drone-nrf91-dso 0.14.0...
[INFO] testing drone-nrf91-dso-0.14.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate drone-nrf91-dso 0.14.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate drone-nrf91-dso 0.14.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate drone-nrf91-dso 0.14.0
[INFO] finished tweaking crates.io crate drone-nrf91-dso 0.14.0
[INFO] tweaked toml for crates.io crate drone-nrf91-dso 0.14.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-5 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-12 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-10 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-6 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-1 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-3 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-periph-uarte v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-2 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-11 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-9 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-7 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-8 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-pieces-4 v0.14.0
[INFO] [stderr]   Downloaded drone-nrf-map-svd v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed1f559fae0ebdf187e8a3510394d535ecd111ea0709b0bbdab60dd0a84f9e09
[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" "ed1f559fae0ebdf187e8a3510394d535ecd111ea0709b0bbdab60dd0a84f9e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed1f559fae0ebdf187e8a3510394d535ecd111ea0709b0bbdab60dd0a84f9e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1f559fae0ebdf187e8a3510394d535ecd111ea0709b0bbdab60dd0a84f9e09", kill_on_drop: false }`
[INFO] [stdout] ed1f559fae0ebdf187e8a3510394d535ecd111ea0709b0bbdab60dd0a84f9e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82b97611cd159f61e86cda57a919e41ab6ca76b83e04b6313b26e1a2947d18e
[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" "c82b97611cd159f61e86cda57a919e41ab6ca76b83e04b6313b26e1a2947d18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling drone-svd v0.14.0
[INFO] [stderr]    Compiling drone-core-macros v0.14.3
[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/drone-svd-0.14.0/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 beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.14.0/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 beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.14.0/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 beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-svd-0.14.0/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(generators)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c82b97611cd159f61e86cda57a919e41ab6ca76b83e04b6313b26e1a2947d18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82b97611cd159f61e86cda57a919e41ab6ca76b83e04b6313b26e1a2947d18e", kill_on_drop: false }`
[INFO] [stdout] c82b97611cd159f61e86cda57a919e41ab6ca76b83e04b6313b26e1a2947d18e
