[INFO] fetching crate graphfind-rs 0.1.0...
[INFO] documenting graphfind-rs-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate graphfind-rs 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate graphfind-rs 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphfind-rs 0.1.0
[INFO] finished tweaking crates.io crate graphfind-rs 0.1.0
[INFO] tweaked toml for crates.io crate graphfind-rs 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded into-attr-derive v0.2.1
[INFO] [stderr]   Downloaded dot-generator v0.2.0
[INFO] [stderr]   Downloaded into-attr v0.1.1
[INFO] [stderr]   Downloaded test_dir v0.2.0
[INFO] [stderr]   Downloaded graphviz-rust v0.6.6
[INFO] [stderr]   Downloaded dot-structures v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1dd4a3b930e69c4cb31e252bd7b199347d3deefa5e32c0e11d4e1b095eed16
[INFO] running `Command { std: "docker" "start" "-a" "3c1dd4a3b930e69c4cb31e252bd7b199347d3deefa5e32c0e11d4e1b095eed16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1dd4a3b930e69c4cb31e252bd7b199347d3deefa5e32c0e11d4e1b095eed16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1dd4a3b930e69c4cb31e252bd7b199347d3deefa5e32c0e11d4e1b095eed16", kill_on_drop: false }`
[INFO] [stdout] 3c1dd4a3b930e69c4cb31e252bd7b199347d3deefa5e32c0e11d4e1b095eed16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d3f6252462ee0c7c32b7d72977c246bfed29617e8eedbd8745b5992b1ee50e
[INFO] running `Command { std: "docker" "start" "-a" "05d3f6252462ee0c7c32b7d72977c246bfed29617e8eedbd8745b5992b1ee50e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]  Documenting graphfind-rs 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:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `graphfind-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name graphfind_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9005a496a85df34b -L dependency=/opt/rustwide/target/debug/deps --extern bimap=/opt/rustwide/target/debug/deps/libbimap-b1f685bba87a6b3f.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-de5f7184e54c0e8b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-319bf41ec1876518.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-2ef2aea336c6b9db.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "05d3f6252462ee0c7c32b7d72977c246bfed29617e8eedbd8745b5992b1ee50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d3f6252462ee0c7c32b7d72977c246bfed29617e8eedbd8745b5992b1ee50e", kill_on_drop: false }`
[INFO] [stdout] 05d3f6252462ee0c7c32b7d72977c246bfed29617e8eedbd8745b5992b1ee50e
[INFO] documenting graphfind-rs-0.1.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate graphfind-rs 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate graphfind-rs 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphfind-rs 0.1.0
[INFO] finished tweaking crates.io crate graphfind-rs 0.1.0
[INFO] tweaked toml for crates.io crate graphfind-rs 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33e9b1f36d143dcb680eac772951c9caced497e4c03b6b9b4925ea8ab8640a3c
[INFO] running `Command { std: "docker" "start" "-a" "33e9b1f36d143dcb680eac772951c9caced497e4c03b6b9b4925ea8ab8640a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e9b1f36d143dcb680eac772951c9caced497e4c03b6b9b4925ea8ab8640a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e9b1f36d143dcb680eac772951c9caced497e4c03b6b9b4925ea8ab8640a3c", kill_on_drop: false }`
[INFO] [stdout] 33e9b1f36d143dcb680eac772951c9caced497e4c03b6b9b4925ea8ab8640a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9edc7ba1a47cd3bf1b91e19799e294d5bae0a8e1548ce393f307a59cbd28906
[INFO] running `Command { std: "docker" "start" "-a" "e9edc7ba1a47cd3bf1b91e19799e294d5bae0a8e1548ce393f307a59cbd28906", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]  Documenting graphfind-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `graphfind-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name graphfind_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1a9853553d63eaab -L dependency=/opt/rustwide/target/debug/deps --extern bimap=/opt/rustwide/target/debug/deps/libbimap-7576c76ba095877a.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-7556e232f8b1712c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-da6f26dbfe339ccf.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9e0c6bae8a4c7dfa.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e9edc7ba1a47cd3bf1b91e19799e294d5bae0a8e1548ce393f307a59cbd28906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9edc7ba1a47cd3bf1b91e19799e294d5bae0a8e1548ce393f307a59cbd28906", kill_on_drop: false }`
[INFO] [stdout] e9edc7ba1a47cd3bf1b91e19799e294d5bae0a8e1548ce393f307a59cbd28906
