[INFO] fetching crate sendstream_parser 0.2.2...
[INFO] documenting sendstream_parser-0.2.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate sendstream_parser 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate sendstream_parser 0.2.2 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 sendstream_parser 0.2.2
[INFO] finished tweaking crates.io crate sendstream_parser 0.2.2
[INFO] tweaked toml for crates.io crate sendstream_parser 0.2.2 written to /workspace/builds/worker-2-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 similar-asserts v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e373aeba4289b388c91638e1c9a37f620ce09c1ae46846024b392fd3e8784c9f
[INFO] running `Command { std: "docker" "start" "-a" "e373aeba4289b388c91638e1c9a37f620ce09c1ae46846024b392fd3e8784c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e373aeba4289b388c91638e1c9a37f620ce09c1ae46846024b392fd3e8784c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e373aeba4289b388c91638e1c9a37f620ce09c1ae46846024b392fd3e8784c9f", kill_on_drop: false }`
[INFO] [stdout] e373aeba4289b388c91638e1c9a37f620ce09c1ae46846024b392fd3e8784c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 00cf186b5aaef734a46b5c24f6073a8bade08d930692e9a6fcaedec600dea479
[INFO] running `Command { std: "docker" "start" "-a" "00cf186b5aaef734a46b5c24f6073a8bade08d930692e9a6fcaedec600dea479", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]  Documenting sendstream_parser v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(macro_metavar_expr)]
[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 `sendstream_parser`
[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 sendstream_parser src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="serde"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cd27728a46cd18d4 -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-c699d061afa25c75.so --extern hex=/opt/rustwide/target/debug/deps/libhex-154257be2cdb5bdc.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-1b3de3223b662be9.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-d4d560e312c4843b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-319bf41ec1876518.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-cdbd51313957a31a.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-58f8b74ff827a7e0.rmeta --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "00cf186b5aaef734a46b5c24f6073a8bade08d930692e9a6fcaedec600dea479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cf186b5aaef734a46b5c24f6073a8bade08d930692e9a6fcaedec600dea479", kill_on_drop: false }`
[INFO] [stdout] 00cf186b5aaef734a46b5c24f6073a8bade08d930692e9a6fcaedec600dea479
[INFO] documenting sendstream_parser-0.2.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate sendstream_parser 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate sendstream_parser 0.2.2 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 sendstream_parser 0.2.2
[INFO] finished tweaking crates.io crate sendstream_parser 0.2.2
[INFO] tweaked toml for crates.io crate sendstream_parser 0.2.2 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e4e081567f7f4a1dcefcd2a553c07d03fb95671e78eba574a40e15625f1451f4
[INFO] running `Command { std: "docker" "start" "-a" "e4e081567f7f4a1dcefcd2a553c07d03fb95671e78eba574a40e15625f1451f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e081567f7f4a1dcefcd2a553c07d03fb95671e78eba574a40e15625f1451f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e081567f7f4a1dcefcd2a553c07d03fb95671e78eba574a40e15625f1451f4", kill_on_drop: false }`
[INFO] [stdout] e4e081567f7f4a1dcefcd2a553c07d03fb95671e78eba574a40e15625f1451f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f26c4c019718f63d16bf88e58ee4732fbe473f40e80ece32428d4eb87c6222f2
[INFO] running `Command { std: "docker" "start" "-a" "f26c4c019718f63d16bf88e58ee4732fbe473f40e80ece32428d4eb87c6222f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]  Documenting sendstream_parser v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(macro_metavar_expr)]
[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 `sendstream_parser`
[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 sendstream_parser src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="serde"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e6054e0580330e4f -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-1f6ae7039313a1c2.so --extern hex=/opt/rustwide/target/debug/deps/libhex-5d39bbac87d797f4.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-b9f1d584dcc57d85.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-9420aaa427004267.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-da6f26dbfe339ccf.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-e294527956cb80f2.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-56f0a80c0bcd0d40.rmeta --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f26c4c019718f63d16bf88e58ee4732fbe473f40e80ece32428d4eb87c6222f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26c4c019718f63d16bf88e58ee4732fbe473f40e80ece32428d4eb87c6222f2", kill_on_drop: false }`
[INFO] [stdout] f26c4c019718f63d16bf88e58ee4732fbe473f40e80ece32428d4eb87c6222f2
