[INFO] fetching crate radio-sx128x 0.18.0...
[INFO] documenting radio-sx128x-0.18.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate radio-sx128x 0.18.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate radio-sx128x 0.18.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate radio-sx128x 0.18.0
[INFO] finished tweaking crates.io crate radio-sx128x 0.18.0
[INFO] tweaked toml for crates.io crate radio-sx128x 0.18.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate radio-sx128x 0.18.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysfs_gpio v0.6.1
[INFO] [stderr]   Downloaded simplelog v0.9.0
[INFO] [stderr]   Downloaded i2cdev v0.5.1
[INFO] [stderr]   Downloaded spidev v0.5.1
[INFO] [stderr]   Downloaded gpio-cdev v0.5.1
[INFO] [stderr]   Downloaded crc16 v0.4.0
[INFO] [stderr]   Downloaded color-backtrace v0.5.1
[INFO] [stderr]   Downloaded rusb v0.9.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.7
[INFO] [stderr]   Downloaded libusb1-sys v0.6.0
[INFO] [stderr]   Downloaded driver-pal v0.8.0-alpha.6
[INFO] [stderr]   Downloaded driver-cp2130 v1.0.0-alpha.5
[INFO] [stderr]   Downloaded linux-embedded-hal v0.4.0-alpha.2
[INFO] [stderr]   Downloaded pcap-file v1.1.1
[INFO] [stderr]   Downloaded rolling-stats v0.5.0
[INFO] [stderr]   Downloaded radio v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eff259f534260d49471bfac8489ac48356ef0a90834b313cad1824cf7f74063
[INFO] running `Command { std: "docker" "start" "-a" "0eff259f534260d49471bfac8489ac48356ef0a90834b313cad1824cf7f74063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eff259f534260d49471bfac8489ac48356ef0a90834b313cad1824cf7f74063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eff259f534260d49471bfac8489ac48356ef0a90834b313cad1824cf7f74063", kill_on_drop: false }`
[INFO] [stdout] 0eff259f534260d49471bfac8489ac48356ef0a90834b313cad1824cf7f74063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b20664e0abff4aa64ca3a489783cff935e1b738c6ad1b7dac2dec4718f4a46c
[INFO] running `Command { std: "docker" "start" "-a" "0b20664e0abff4aa64ca3a489783cff935e1b738c6ad1b7dac2dec4718f4a46c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
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[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rusb v0.9.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking hex v0.4.3
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[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
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[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.7
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[INFO] [stderr]     Checking sharded-slab v0.1.3
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[INFO] [stderr]     Checking thread_local v1.1.3
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[INFO] [stderr]    Compiling miniz_oxide v0.4.4
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[INFO] [stderr]     Checking simplelog v0.9.0
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[INFO] [stderr]     Checking gpio-cdev v0.5.1
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[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
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[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking driver-cp2130 v1.0.0-alpha.5
[INFO] [stderr]     Checking pcap-file v1.1.1
[INFO] [stderr]     Checking radio v0.11.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking driver-pal v0.8.0-alpha.6
[INFO] [stderr]  Documenting radio-sx128x v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking radio-sx128x v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 document `radio-sx128x`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name radio_sx128x src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="crc16"' --cfg 'feature="default"' --cfg 'feature="driver-pal"' --cfg 'feature="hex"' --cfg 'feature="humantime"' --cfg 'feature="patch-unknown-state"' --cfg 'feature="serde"' --cfg 'feature="std"' --cfg 'feature="structopt"' --cfg 'feature="thiserror"' --cfg 'feature="tracing"' --cfg 'feature="tracing-subscriber"' --cfg 'feature="util"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6b8a939a0890596d -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-22d7f70832a3b85e.rmeta --extern crc16=/opt/rustwide/target/debug/deps/libcrc16-f80ee09b98dec404.rmeta --extern driver_pal=/opt/rustwide/target/debug/deps/libdriver_pal-16289fdf48489bcb.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-1bbab1ed9aed495d.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-385f090c8180d366.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-e6e12260d7fb4e79.rmeta --extern humantime=/opt/rustwide/target/debug/deps/libhumantime-12e47983c7142b57.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-48108cbf81c1b3e6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1e3c371ab90a7930.rmeta --extern radio=/opt/rustwide/target/debug/deps/libradio-fc4c50d50a257e6d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-fe31039340c035f0.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-4b1a2491beb755d0.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-c0edbcab20dbbc8f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-c644d6bb21f901a6.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-6cb49b32f9d997b4.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-561263dd73053e8e.rmeta --cap-lints=warn --crate-version 0.18.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Transactional`
[INFO] [stdout]   --> src/base.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 | use embedded_hal::spi::blocking::{Transactional, Operation};
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `radio-sx128x` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0b20664e0abff4aa64ca3a489783cff935e1b738c6ad1b7dac2dec4718f4a46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b20664e0abff4aa64ca3a489783cff935e1b738c6ad1b7dac2dec4718f4a46c", kill_on_drop: false }`
[INFO] [stdout] 0b20664e0abff4aa64ca3a489783cff935e1b738c6ad1b7dac2dec4718f4a46c