[INFO] fetching crate pipe-chain 0.1.1...
[INFO] documenting pipe-chain-0.1.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate pipe-chain 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pipe-chain 0.1.1 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 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-3-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 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c3b6b0770d2b8673b96aec03bd76b86d94b33a66630d82d600fa516f731b60da
[INFO] running `Command { std: "docker" "start" "-a" "c3b6b0770d2b8673b96aec03bd76b86d94b33a66630d82d600fa516f731b60da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b6b0770d2b8673b96aec03bd76b86d94b33a66630d82d600fa516f731b60da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b6b0770d2b8673b96aec03bd76b86d94b33a66630d82d600fa516f731b60da", kill_on_drop: false }`
[INFO] [stdout] c3b6b0770d2b8673b96aec03bd76b86d94b33a66630d82d600fa516f731b60da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 38e17ac12baf824cffaa5baaf19cc0bb5b1280379da2ef7497985dee10462048
[INFO] running `Command { std: "docker" "start" "-a" "38e17ac12baf824cffaa5baaf19cc0bb5b1280379da2ef7497985dee10462048", kill_on_drop: false }`
[INFO] [stderr]     Checking tuplify v1.1.4
[INFO] [stderr]     Checking fatal-error v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking either v1.9.0
[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 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/1.75.0-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=8adb5ec03393ad04 -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-19ab30b8af571b4d.rmeta --extern fatal_error=/opt/rustwide/target/debug/deps/libfatal_error-dacf6526c6893535.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-5d8b8ccb77a64e55.so --extern tuplify=/opt/rustwide/target/debug/deps/libtuplify-bf1a8bf416135333.rmeta --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-2dd8e02529dfdc3b.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "38e17ac12baf824cffaa5baaf19cc0bb5b1280379da2ef7497985dee10462048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e17ac12baf824cffaa5baaf19cc0bb5b1280379da2ef7497985dee10462048", kill_on_drop: false }`
[INFO] [stdout] 38e17ac12baf824cffaa5baaf19cc0bb5b1280379da2ef7497985dee10462048
[INFO] documenting pipe-chain-0.1.1 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate pipe-chain 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate pipe-chain 0.1.1 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 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-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f002e09d9722a489fd66da8b64027478d4ed50c0c12309d154ebeb22ba15fe1b
[INFO] running `Command { std: "docker" "start" "-a" "f002e09d9722a489fd66da8b64027478d4ed50c0c12309d154ebeb22ba15fe1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f002e09d9722a489fd66da8b64027478d4ed50c0c12309d154ebeb22ba15fe1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f002e09d9722a489fd66da8b64027478d4ed50c0c12309d154ebeb22ba15fe1b", kill_on_drop: false }`
[INFO] [stdout] f002e09d9722a489fd66da8b64027478d4ed50c0c12309d154ebeb22ba15fe1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 27b5fc4bfd2c92404aa463eb51762137d5bbb8ad547b6bddac160ee357223234
[INFO] running `Command { std: "docker" "start" "-a" "27b5fc4bfd2c92404aa463eb51762137d5bbb8ad547b6bddac160ee357223234", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking fatal-error v1.0.1
[INFO] [stderr]     Checking tuplify v1.1.4
[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-2023-12-22-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=689c2e2a1db1023c -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-23a3e5cb7fe3b37b.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-dc03beaff9f70a7a.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "27b5fc4bfd2c92404aa463eb51762137d5bbb8ad547b6bddac160ee357223234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b5fc4bfd2c92404aa463eb51762137d5bbb8ad547b6bddac160ee357223234", kill_on_drop: false }`
[INFO] [stdout] 27b5fc4bfd2c92404aa463eb51762137d5bbb8ad547b6bddac160ee357223234
