[INFO] fetching crate febug 0.2.1...
[INFO] documenting febug-0.2.1 against beta-2023-07-23 for beta-1.72-rustdoc-1
[INFO] extracting crate febug 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate febug 0.2.1 on toolchain beta-2023-07-23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate febug 0.2.1
[INFO] finished tweaking crates.io crate febug 0.2.1
[INFO] tweaked toml for crates.io crate febug 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate febug 0.2.1 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" "+beta-2023-07-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d5f3be1672008410ca821ec4d2c08af92982ad354ba4a859204c91e7318b131
[INFO] running `Command { std: "docker" "start" "-a" "2d5f3be1672008410ca821ec4d2c08af92982ad354ba4a859204c91e7318b131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5f3be1672008410ca821ec4d2c08af92982ad354ba4a859204c91e7318b131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5f3be1672008410ca821ec4d2c08af92982ad354ba4a859204c91e7318b131", kill_on_drop: false }`
[INFO] [stdout] 2d5f3be1672008410ca821ec4d2c08af92982ad354ba4a859204c91e7318b131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 507289f478922a7597b8318985a38394abb80efbd4b5dde515bc0ec4ed1d00e0
[INFO] running `Command { std: "docker" "start" "-a" "507289f478922a7597b8318985a38394abb80efbd4b5dde515bc0ec4ed1d00e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling febug v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting febug v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> lib.rs:293:100
[INFO] [stdout]     |
[INFO] [stdout] 293 | const _TYPE_ID_SIZE_ASSERT: [(); mem::size_of::<TypeId>() - mem::size_of::<TypeIdButStronger>()] = [];
[INFO] [stdout]     |                                  --------------------------------------------------------------    ^^ expected an array with a fixed size of 8 elements, found one with 0 elements
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: consider specifying the actual array length: `0`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected array `[(); 8]`
[INFO] [stdout]                found array `[_; 0]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `febug`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-07-23-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name febug lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=64c7cfe6edfa6bc6 -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-f96d150d7cc162d5.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2ea8ad6f1a5823aa.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "507289f478922a7597b8318985a38394abb80efbd4b5dde515bc0ec4ed1d00e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507289f478922a7597b8318985a38394abb80efbd4b5dde515bc0ec4ed1d00e0", kill_on_drop: false }`
[INFO] [stdout] 507289f478922a7597b8318985a38394abb80efbd4b5dde515bc0ec4ed1d00e0