[INFO] fetching crate machineid-rs 1.1.0...
[INFO] documenting machineid-rs-1.1.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate machineid-rs 1.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate machineid-rs 1.1.0 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] started tweaking crates.io crate machineid-rs 1.1.0
[INFO] finished tweaking crates.io crate machineid-rs 1.1.0
[INFO] tweaked toml for crates.io crate machineid-rs 1.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 70ebe189be5281d60cddbf7a802d529814b17a9d6d99196fe91ab89f79c672bd
[INFO] running `Command { std: "docker" "start" "-a" "70ebe189be5281d60cddbf7a802d529814b17a9d6d99196fe91ab89f79c672bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70ebe189be5281d60cddbf7a802d529814b17a9d6d99196fe91ab89f79c672bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ebe189be5281d60cddbf7a802d529814b17a9d6d99196fe91ab89f79c672bd", kill_on_drop: false }`
[INFO] [stdout] 70ebe189be5281d60cddbf7a802d529814b17a9d6d99196fe91ab89f79c672bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5ecd730834db1a6868e61858347ff4b8671f916476dfb696f8f32fcf26e55e44
[INFO] running `Command { std: "docker" "start" "-a" "5ecd730834db1a6868e61858347ff4b8671f916476dfb696f8f32fcf26e55e44", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysinfo v0.19.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]  Documenting machineid-rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `HwidRetrievalError` in this scope
[INFO] [stdout]   --> src/linux.rs:25:37
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_hwid() -> Result<String, HwidRetrievalError>{
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/errors.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct RetrievalError;
[INFO] [stdout]    | -------------------------- similarly named struct `RetrievalError` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_hwid() -> Result<String, RetrievalError>{
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_hwid<HwidRetrievalError>() -> Result<String, HwidRetrievalError>{
[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 E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `machineid-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name machineid_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern hex=/opt/rustwide/target/debug/deps/libhex-4e132399b961d086.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-5183ff54085e1086.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-74a9ecb2cbac341a.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-8739da935b0a9a07.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2e2aa03d07255382.rmeta --extern sysinfo=/opt/rustwide/target/debug/deps/libsysinfo-f84ec0fa97b01e0b.rmeta --extern whoami=/opt/rustwide/target/debug/deps/libwhoami-5f2218655917feb8.rmeta --cap-lints=warn --crate-version 1.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5ecd730834db1a6868e61858347ff4b8671f916476dfb696f8f32fcf26e55e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecd730834db1a6868e61858347ff4b8671f916476dfb696f8f32fcf26e55e44", kill_on_drop: false }`
[INFO] [stdout] 5ecd730834db1a6868e61858347ff4b8671f916476dfb696f8f32fcf26e55e44
