[INFO] fetching crate mprs 0.2.0...
[INFO] documenting mprs-0.2.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate mprs 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mprs 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mprs 0.2.0
[INFO] finished tweaking crates.io crate mprs 0.2.0
[INFO] tweaked toml for crates.io crate mprs 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mprs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mpd v0.0.12
[INFO] [stderr]   Downloaded encode_unicode v1.0.0
[INFO] [stderr]   Downloaded prettytable-rs v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feac702619c9f23ff1e3a071a7f1a6485c0dc5c846b91593e47b7a3de2878543
[INFO] running `Command { std: "docker" "start" "-a" "feac702619c9f23ff1e3a071a7f1a6485c0dc5c846b91593e47b7a3de2878543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feac702619c9f23ff1e3a071a7f1a6485c0dc5c846b91593e47b7a3de2878543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feac702619c9f23ff1e3a071a7f1a6485c0dc5c846b91593e47b7a3de2878543", kill_on_drop: false }`
[INFO] [stdout] feac702619c9f23ff1e3a071a7f1a6485c0dc5c846b91593e47b7a3de2878543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9cafeeaf9b8df0738ff224d4edc35c931851c4fbae2b830c5cb5a324cc65f1a
[INFO] running `Command { std: "docker" "start" "-a" "e9cafeeaf9b8df0738ff224d4edc35c931851c4fbae2b830c5cb5a324cc65f1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.9.0
[INFO] [stderr]  Documenting mprs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `Flag`
[INFO] [stdout]   --> src/args/argv.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// - __flags__ : Vec<Flag> -> vector of flags: Flag
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// - __flags__ : `Vec<Flag>` -> vector of flags: Flag
[INFO] [stdout]    |                   +         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `flag`
[INFO] [stdout]   --> src/args/argv.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |     /// filters Vec<flag> by flag type return Vec<&flag::Flag>
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 58 |     /// filters `Vec<flag>` by flag type return Vec<&flag::Flag>
[INFO] [stdout]    |                 +         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `TcpStream`
[INFO] [stdout]   --> src/mpd/client.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// - __client__: Option<Client<TcpStream>>,
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// - __client__: `Option<Client<TcpStream>>`,
[INFO] [stdout]    |                   +                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mprs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name mprs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c0f14455581fd57c -L dependency=/opt/rustwide/target/debug/deps --extern colored=/opt/rustwide/target/debug/deps/libcolored-8c87b0e7269496b0.rmeta --extern mpd=/opt/rustwide/target/debug/deps/libmpd-554679beaf6de7ed.rmeta --extern prettytable=/opt/rustwide/target/debug/deps/libprettytable-326ab7ccc6a45363.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e9cafeeaf9b8df0738ff224d4edc35c931851c4fbae2b830c5cb5a324cc65f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cafeeaf9b8df0738ff224d4edc35c931851c4fbae2b830c5cb5a324cc65f1a", kill_on_drop: false }`
[INFO] [stdout] e9cafeeaf9b8df0738ff224d4edc35c931851c4fbae2b830c5cb5a324cc65f1a
