[INFO] fetching crate pipe-chain 0.1.1...
[INFO] documenting pipe-chain-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate pipe-chain 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pipe-chain 0.1.1 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 pipe-chain 0.1.1
[INFO] finished tweaking crates.io crate pipe-chain 0.1.1
[INFO] tweaked toml for crates.io crate pipe-chain 0.1.1 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 tuplify v1.1.4
[INFO] [stderr]   Downloaded fatal-error v1.0.1
[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] b51845b83f567ce2acc6c12eaf45cb657428b095ec4f92f60b321f1fbf5bff11
[INFO] running `Command { std: "docker" "start" "-a" "b51845b83f567ce2acc6c12eaf45cb657428b095ec4f92f60b321f1fbf5bff11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51845b83f567ce2acc6c12eaf45cb657428b095ec4f92f60b321f1fbf5bff11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51845b83f567ce2acc6c12eaf45cb657428b095ec4f92f60b321f1fbf5bff11", kill_on_drop: false }`
[INFO] [stdout] b51845b83f567ce2acc6c12eaf45cb657428b095ec4f92f60b321f1fbf5bff11
[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] 82031c81995d3aa8d3d02c468a52f19f84284f98d5c20c600be8b2ec8b9522da
[INFO] running `Command { std: "docker" "start" "-a" "82031c81995d3aa8d3d02c468a52f19f84284f98d5c20c600be8b2ec8b9522da", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking tuplify v1.1.4
[INFO] [stderr]     Checking fatal-error v1.0.1
[INFO] [stderr]  Documenting pipe-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(round_char_boundary)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pipe-chain`
[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=2021 --crate-type lib --crate-name pipe_chain src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="bencode"' --cfg 'feature="default"' --cfg 'feature="either"' --cfg 'feature="parsers"' --cfg 'feature="pktline"' --cfg 'feature="unicode"' --cfg 'feature="unicode-segmentation"' --cfg 'feature="websocket"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=26d2ba6b4c699fab -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-532681c759133013.rmeta --extern fatal_error=/opt/rustwide/target/debug/deps/libfatal_error-4984596ef8df0041.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-05e44ee96a978324.so --extern tuplify=/opt/rustwide/target/debug/deps/libtuplify-6c8d8abe19adb211.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-00a8a93137b86a24.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "82031c81995d3aa8d3d02c468a52f19f84284f98d5c20c600be8b2ec8b9522da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82031c81995d3aa8d3d02c468a52f19f84284f98d5c20c600be8b2ec8b9522da", kill_on_drop: false }`
[INFO] [stdout] 82031c81995d3aa8d3d02c468a52f19f84284f98d5c20c600be8b2ec8b9522da
[INFO] documenting pipe-chain-0.1.1 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate pipe-chain 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate pipe-chain 0.1.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipe-chain 0.1.1
[INFO] finished tweaking crates.io crate pipe-chain 0.1.1
[INFO] tweaked toml for crates.io crate pipe-chain 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d76c6cd04b801cbdf50efe860e47122d496a26f17f1c1f0f8cfc4304a2a338b
[INFO] running `Command { std: "docker" "start" "-a" "2d76c6cd04b801cbdf50efe860e47122d496a26f17f1c1f0f8cfc4304a2a338b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d76c6cd04b801cbdf50efe860e47122d496a26f17f1c1f0f8cfc4304a2a338b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d76c6cd04b801cbdf50efe860e47122d496a26f17f1c1f0f8cfc4304a2a338b", kill_on_drop: false }`
[INFO] [stdout] 2d76c6cd04b801cbdf50efe860e47122d496a26f17f1c1f0f8cfc4304a2a338b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee7a30aef330f47bcd2a9fb00191fa543b3f0e7ad74e65cfa0455289560ce30
[INFO] running `Command { std: "docker" "start" "-a" "6ee7a30aef330f47bcd2a9fb00191fa543b3f0e7ad74e65cfa0455289560ce30", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking fatal-error v1.0.1
[INFO] [stderr]     Checking tuplify v1.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]  Documenting pipe-chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(round_char_boundary)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pipe-chain`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name pipe_chain src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="bencode"' --cfg 'feature="default"' --cfg 'feature="either"' --cfg 'feature="parsers"' --cfg 'feature="pktline"' --cfg 'feature="unicode"' --cfg 'feature="unicode-segmentation"' --cfg 'feature="websocket"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=402244b208284b4a -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-11f2f49cde8a6a31.rmeta --extern fatal_error=/opt/rustwide/target/debug/deps/libfatal_error-8b796cf5634fb5bf.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-abc4f255c9df8716.so --extern tuplify=/opt/rustwide/target/debug/deps/libtuplify-f3b0f204353c1e67.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-5f7d7007c97ad6d3.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6ee7a30aef330f47bcd2a9fb00191fa543b3f0e7ad74e65cfa0455289560ce30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee7a30aef330f47bcd2a9fb00191fa543b3f0e7ad74e65cfa0455289560ce30", kill_on_drop: false }`
[INFO] [stdout] 6ee7a30aef330f47bcd2a9fb00191fa543b3f0e7ad74e65cfa0455289560ce30
