[INFO] cloning repository https://github.com/ctron/embedded-serial-bridge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctron/embedded-serial-bridge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctron%2Fembedded-serial-bridge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctron%2Fembedded-serial-bridge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dfb27b88cda91571f0a774eb7ee1b7c4b110e61
[INFO] documenting ctron/embedded-serial-bridge against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctron%2Fembedded-serial-bridge" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctron/embedded-serial-bridge on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-32/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ctron/embedded-serial-bridge
[INFO] finished tweaking git repo https://github.com/ctron/embedded-serial-bridge
[INFO] tweaked toml for git repo https://github.com/ctron/embedded-serial-bridge written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/ctron/embedded-serial-bridge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44db3b23000a3c71180990fa3b90ba0e9d9e5dab6278d2e06fa215de2cb15442
[INFO] running `Command { std: "docker" "start" "-a" "44db3b23000a3c71180990fa3b90ba0e9d9e5dab6278d2e06fa215de2cb15442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44db3b23000a3c71180990fa3b90ba0e9d9e5dab6278d2e06fa215de2cb15442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44db3b23000a3c71180990fa3b90ba0e9d9e5dab6278d2e06fa215de2cb15442", kill_on_drop: false }`
[INFO] [stdout] 44db3b23000a3c71180990fa3b90ba0e9d9e5dab6278d2e06fa215de2cb15442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ac76428be12541fc0450f5f70d9538da1e93b2cb3c38e98df30301833387ee
[INFO] running `Command { std: "docker" "start" "-a" "95ac76428be12541fc0450f5f70d9538da1e93b2cb3c38e98df30301833387ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling embedded-serial-bridge v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking rtt-target v0.2.2
[INFO] [stderr]     Checking rtt-logger v0.1.0
[INFO] [stderr]     Checking panic-rtt-target v0.1.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling casey v0.3.3
[INFO] [stderr]  Documenting embedded-serial-bridge v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `hal`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use hal::{
[INFO] [stdout]    |     ^^^ use of undeclared crate or module `hal`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `hal::delay::Delay`, `hal`, `hal::serial::Serial`, `hal::time::U32Ext`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use hal::{
[INFO] [stdout]    |     ^^^ use of undeclared crate or module `hal`
[INFO] [stdout] 27 |     delay::Delay,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 28 |     prelude::*,
[INFO] [stdout] 29 |     serial::{self, Serial},
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 30 |     time::U32Ext,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `embedded-serial-bridge`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name embedded_serial_bridge src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="fix_crlf"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=0c757a5f71e36aab -L dependency=/opt/rustwide/target/debug/deps --extern casey=/opt/rustwide/target/debug/deps/libcasey-f5050b8cf8664434.so --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-3c2b824ae0dce299.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-9900ff833c73b46b.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-09d1073e3de23186.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-38a9f1951c2486a4.rmeta --extern panic_rtt_target=/opt/rustwide/target/debug/deps/libpanic_rtt_target-c1e23e5ce7d1dd7f.rmeta --extern rtt_logger=/opt/rustwide/target/debug/deps/librtt_logger-0291c1f239e47822.rmeta --extern rtt_target=/opt/rustwide/target/debug/deps/librtt_target-b7f4b29be6055282.rmeta --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "95ac76428be12541fc0450f5f70d9538da1e93b2cb3c38e98df30301833387ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ac76428be12541fc0450f5f70d9538da1e93b2cb3c38e98df30301833387ee", kill_on_drop: false }`
[INFO] [stdout] 95ac76428be12541fc0450f5f70d9538da1e93b2cb3c38e98df30301833387ee