[INFO] fetching crate mma7660fc 0.1.2...
[INFO] documenting mma7660fc-0.1.2 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate mma7660fc 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mma7660fc 0.1.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate mma7660fc 0.1.2
[INFO] finished tweaking crates.io crate mma7660fc 0.1.2
[INFO] tweaked toml for crates.io crate mma7660fc 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v0.1.3
[INFO] [stderr]   Downloaded linux-embedded-hal v0.1.1
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded i2cdev v0.3.2
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1f2bfaefba6e5de8c82243503f02cbb74845bb922dde24abebea1908c876881
[INFO] running `Command { std: "docker" "start" "-a" "e1f2bfaefba6e5de8c82243503f02cbb74845bb922dde24abebea1908c876881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1f2bfaefba6e5de8c82243503f02cbb74845bb922dde24abebea1908c876881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f2bfaefba6e5de8c82243503f02cbb74845bb922dde24abebea1908c876881", kill_on_drop: false }`
[INFO] [stdout] e1f2bfaefba6e5de8c82243503f02cbb74845bb922dde24abebea1908c876881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 505b6f32495b168b442d69ce3ff81103ea09a44dccce55a4cebd5531ffe14701
[INFO] running `Command { std: "docker" "start" "-a" "505b6f32495b168b442d69ce3ff81103ea09a44dccce55a4cebd5531ffe14701", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal v0.1.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/embedded-hal-0.1.3/src/lib.rs:681:1
[INFO] [stdout]     |
[INFO] [stdout] 681 | #![feature(never_type)]
[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 `embedded-hal` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "505b6f32495b168b442d69ce3ff81103ea09a44dccce55a4cebd5531ffe14701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505b6f32495b168b442d69ce3ff81103ea09a44dccce55a4cebd5531ffe14701", kill_on_drop: false }`
[INFO] [stdout] 505b6f32495b168b442d69ce3ff81103ea09a44dccce55a4cebd5531ffe14701
