[INFO] fetching crate msbfinal_db 0.1.0...
[INFO] documenting msbfinal_db-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate msbfinal_db 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate msbfinal_db 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 msbfinal_db 0.1.0
[INFO] finished tweaking crates.io crate msbfinal_db 0.1.0
[INFO] tweaked toml for crates.io crate msbfinal_db 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate msbfinal_db 0.1.0 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty_assertions v0.7.1
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded syn v1.0.67
[INFO] [stderr]   Downloaded libc v0.2.92
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89b93a81abb7682f225dea7c886ed5c19228f58c12cde8c785750ad7216f8dca
[INFO] running `Command { std: "docker" "start" "-a" "89b93a81abb7682f225dea7c886ed5c19228f58c12cde8c785750ad7216f8dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89b93a81abb7682f225dea7c886ed5c19228f58c12cde8c785750ad7216f8dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89b93a81abb7682f225dea7c886ed5c19228f58c12cde8c785750ad7216f8dca", kill_on_drop: false }`
[INFO] [stdout] 89b93a81abb7682f225dea7c886ed5c19228f58c12cde8c785750ad7216f8dca
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/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] e4b63fe84278734cf336426243bc0860de23065b732dec08eb5d46f6eaa514df
[INFO] running `Command { std: "docker" "start" "-a" "e4b63fe84278734cf336426243bc0860de23065b732dec08eb5d46f6eaa514df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]  Documenting msbfinal_db 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:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `f32`
[INFO] [stdout]   --> src/stats.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 33 | /// Given a hashmap of ((T, T), Vec<f32>), compute the average for each pairing
[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] 33 | /// Given a hashmap of ((T, T), `Vec<f32>`), compute the average for each pairing
[INFO] [stdout]    |                                 +        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `f32`
[INFO] [stdout]   --> src/stats.rs:67:36
[INFO] [stdout]    |
[INFO] [stdout] 67 | /// Given a hashmap of ((T, T), Vec<f32>), compute frequency data.
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 67 | /// Given a hashmap of ((T, T), `Vec<f32>`), compute frequency data.
[INFO] [stdout]    |                                 +        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 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 `msbfinal_db`
[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 --edition=2018 --crate-type lib --crate-name msbfinal_db src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7712ce9e8c20bcd5 -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-730516f0d3959340.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0f96adb1a4531dd5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e4b63fe84278734cf336426243bc0860de23065b732dec08eb5d46f6eaa514df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b63fe84278734cf336426243bc0860de23065b732dec08eb5d46f6eaa514df", kill_on_drop: false }`
[INFO] [stdout] e4b63fe84278734cf336426243bc0860de23065b732dec08eb5d46f6eaa514df
