[INFO] cloning repository https://github.com/spencerdento/micro_message_r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spencerdento/micro_message_r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerdento%2Fmicro_message_r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerdento%2Fmicro_message_r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c6b1b7934cde7462c4e18c9ec33998f300ac06e
[INFO] documenting spencerdento/micro_message_r against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerdento%2Fmicro_message_r" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spencerdento/micro_message_r 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 git repo https://github.com/spencerdento/micro_message_r
[INFO] finished tweaking git repo https://github.com/spencerdento/micro_message_r
[INFO] tweaked toml for git repo https://github.com/spencerdento/micro_message_r written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/spencerdento/micro_message_r already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded imap-proto v0.10.2
[INFO] [stderr]   Downloaded ascii_utils v0.9.3
[INFO] [stderr]   Downloaded lettre v0.9.5
[INFO] [stderr]   Downloaded fast_chemail v0.9.6
[INFO] [stderr]   Downloaded lettre_email v0.9.4
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] [stderr]   Downloaded imap v2.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 93b138201631cd46bef908617160f013f42dc6e29cdb53cbcca4572847863e9e
[INFO] running `Command { std: "docker" "start" "-a" "93b138201631cd46bef908617160f013f42dc6e29cdb53cbcca4572847863e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93b138201631cd46bef908617160f013f42dc6e29cdb53cbcca4572847863e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b138201631cd46bef908617160f013f42dc6e29cdb53cbcca4572847863e9e", kill_on_drop: false }`
[INFO] [stdout] 93b138201631cd46bef908617160f013f42dc6e29cdb53cbcca4572847863e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 733fae808175a461a3be97a5fbde2e63735ace3ae4901bb854403e0d881bcb65
[INFO] running `Command { std: "docker" "start" "-a" "733fae808175a461a3be97a5fbde2e63735ace3ae4901bb854403e0d881bcb65", 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] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]    Compiling openssl-sys v0.9.62
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex v1.5.3
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking imap v2.4.1
[INFO] [stderr]     Checking lettre v0.9.5
[INFO] [stderr]     Checking lettre_email v0.9.4
[INFO] [stderr]  Documenting micro_message_r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serial::windows`
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serial::windows::COMPort;
[INFO] [stdout]   |             ^^^^^^^ could not find `windows` in `serial`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serial::windows`
[INFO] [stdout]  --> src/uart0.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serial::{prelude::*, windows::COMPort, PortSettings};
[INFO] [stdout]   |                          ^^^^^^^ could not find `windows` in `serial`
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `micro_message_r`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name micro_message_r src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ed234740686b5bee.rmeta --extern imap=/opt/rustwide/target/debug/deps/libimap-80e98205bec2c2ac.rmeta --extern lettre=/opt/rustwide/target/debug/deps/liblettre-c5f39c21f809f448.rmeta --extern lettre_email=/opt/rustwide/target/debug/deps/liblettre_email-6664351285fd4968.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-4c81edd453dd11b7.rmeta --extern serial=/opt/rustwide/target/debug/deps/libserial-24192e9b7059f310.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "733fae808175a461a3be97a5fbde2e63735ace3ae4901bb854403e0d881bcb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733fae808175a461a3be97a5fbde2e63735ace3ae4901bb854403e0d881bcb65", kill_on_drop: false }`
[INFO] [stdout] 733fae808175a461a3be97a5fbde2e63735ace3ae4901bb854403e0d881bcb65
