[INFO] fetching crate dao 0.1.0...
[INFO] documenting dao-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate dao 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dao 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dao 0.1.0
[INFO] finished tweaking crates.io crate dao 0.1.0
[INFO] tweaked toml for crates.io crate dao 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded bigdecimal v0.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d90179a0fbdae1d3a9fcdd3e32a526ec3763799f1f1c939e55df54c84a6573d
[INFO] running `Command { std: "docker" "start" "-a" "4d90179a0fbdae1d3a9fcdd3e32a526ec3763799f1f1c939e55df54c84a6573d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d90179a0fbdae1d3a9fcdd3e32a526ec3763799f1f1c939e55df54c84a6573d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d90179a0fbdae1d3a9fcdd3e32a526ec3763799f1f1c939e55df54c84a6573d", kill_on_drop: false }`
[INFO] [stdout] 4d90179a0fbdae1d3a9fcdd3e32a526ec3763799f1f1c939e55df54c84a6573d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52dc7761fd1d7d59921c260600f331b0cf2a951441524050315d66fb06bc707e
[INFO] running `Command { std: "docker" "start" "-a" "52dc7761fd1d7d59921c260600f331b0cf2a951441524050315d66fb06bc707e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking bigdecimal v0.0.10
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]  Documenting dao v0.1.0 (/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(try_from)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `Dao`
[INFO] [stdout]  --> src/rows.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// This is also slimmer than Vec<Dao> when serialized
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_html_tags)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// This is also slimmer than `Vec<Dao>` when serialized
[INFO] [stdout]   |                               +        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning 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 `dao`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name dao src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6d10f1934e4960d8 -L dependency=/opt/rustwide/target/debug/deps --extern bigdecimal=/opt/rustwide/target/debug/deps/libbigdecimal-4ab6f5a804f22f29.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-534df8fde1701ff1.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-08aa3493627b02f1.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e60198f924f79d46.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-da66e27a5548ca83.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-00cc90f671fd0485.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "52dc7761fd1d7d59921c260600f331b0cf2a951441524050315d66fb06bc707e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52dc7761fd1d7d59921c260600f331b0cf2a951441524050315d66fb06bc707e", kill_on_drop: false }`
[INFO] [stdout] 52dc7761fd1d7d59921c260600f331b0cf2a951441524050315d66fb06bc707e
