[INFO] fetching crate dobot 0.1.1...
[INFO] documenting dobot-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate dobot 0.1.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate dobot 0.1.1 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] started tweaking crates.io crate dobot 0.1.1
[INFO] finished tweaking crates.io crate dobot 0.1.1
[INFO] tweaked toml for crates.io crate dobot 0.1.1 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 mio-serial v3.3.1
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded getset v0.0.9
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded tokio-serial v4.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 7bf7acf6883204edab412e9e4ea1e6e1a544acccf1760971553b76468bb22261
[INFO] running `Command { std: "docker" "start" "-a" "7bf7acf6883204edab412e9e4ea1e6e1a544acccf1760971553b76468bb22261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bf7acf6883204edab412e9e4ea1e6e1a544acccf1760971553b76468bb22261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf7acf6883204edab412e9e4ea1e6e1a544acccf1760971553b76468bb22261", kill_on_drop: false }`
[INFO] [stdout] 7bf7acf6883204edab412e9e4ea1e6e1a544acccf1760971553b76468bb22261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 01c227761c08b6294be5b53dcd599ce313fa57cff14ffe0d3eb785ee5fdbf80d
[INFO] running `Command { std: "docker" "start" "-a" "01c227761c08b6294be5b53dcd599ce313fa57cff14ffe0d3eb785ee5fdbf80d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]     Checking mio-serial v3.3.1
[INFO] [stderr]     Checking tokio-serial v4.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting dobot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::array::FixedSizeArray`
[INFO] [stdout]  --> src/message.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{array::FixedSizeArray, convert::TryInto, io::prelude::*, marker::Unpin};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^ no `FixedSizeArray` in `array`
[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] [stderr] error: could not document `dobot`
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name dobot src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8731d2d5bbebdb37 -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-7a61c3f732ce3c1f.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-d2b13161269a771f.so --extern tokio=/opt/rustwide/target/debug/deps/libtokio-57e06ccfe22c298d.rmeta --extern tokio_serial=/opt/rustwide/target/debug/deps/libtokio_serial-191f46661cf72e73.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "01c227761c08b6294be5b53dcd599ce313fa57cff14ffe0d3eb785ee5fdbf80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c227761c08b6294be5b53dcd599ce313fa57cff14ffe0d3eb785ee5fdbf80d", kill_on_drop: false }`
[INFO] [stdout] 01c227761c08b6294be5b53dcd599ce313fa57cff14ffe0d3eb785ee5fdbf80d