[INFO] fetching crate quiver-qpack 0.1.1...
[INFO] documenting quiver-qpack-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate quiver-qpack 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate quiver-qpack 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 quiver-qpack 0.1.1
[INFO] finished tweaking crates.io crate quiver-qpack 0.1.1
[INFO] tweaked toml for crates.io crate quiver-qpack 0.1.1 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" "+1.76.0" "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 tokio-bitstream-io v0.0.7
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebd16ccfa64e8e2a2a6956a3d01472defdddff7c8f58551e16fb2cd557d49b7
[INFO] running `Command { std: "docker" "start" "-a" "bebd16ccfa64e8e2a2a6956a3d01472defdddff7c8f58551e16fb2cd557d49b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebd16ccfa64e8e2a2a6956a3d01472defdddff7c8f58551e16fb2cd557d49b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebd16ccfa64e8e2a2a6956a3d01472defdddff7c8f58551e16fb2cd557d49b7", kill_on_drop: false }`
[INFO] [stdout] bebd16ccfa64e8e2a2a6956a3d01472defdddff7c8f58551e16fb2cd557d49b7
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c93be4a24dcc90c6e94334ddfc14351d12d3388c9ac0c20778211081312ec3c2
[INFO] running `Command { std: "docker" "start" "-a" "c93be4a24dcc90c6e94334ddfc14351d12d3388c9ac0c20778211081312ec3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking bitstream-io v1.10.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling quiver-qpack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-bitstream-io v0.0.7
[INFO] [stderr]  Documenting quiver-qpack 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(extract_if)]
[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 `quiver-qpack`
[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 quiver_qpack src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c0f010ffee5e9c36 -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-b4e796ab0fd396b0.so --extern bitstream_io=/opt/rustwide/target/debug/deps/libbitstream_io-eecd31dec0d52ee9.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-4120af272360d090.rmeta --extern phf_shared=/opt/rustwide/target/debug/deps/libphf_shared-f2078d25308c661c.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6e7f3974b48888b6.rmeta --extern tokio_bitstream_io=/opt/rustwide/target/debug/deps/libtokio_bitstream_io-2887a54b79224dcb.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c93be4a24dcc90c6e94334ddfc14351d12d3388c9ac0c20778211081312ec3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93be4a24dcc90c6e94334ddfc14351d12d3388c9ac0c20778211081312ec3c2", kill_on_drop: false }`
[INFO] [stdout] c93be4a24dcc90c6e94334ddfc14351d12d3388c9ac0c20778211081312ec3c2
[INFO] documenting quiver-qpack-0.1.1 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate quiver-qpack 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate quiver-qpack 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 quiver-qpack 0.1.1
[INFO] finished tweaking crates.io crate quiver-qpack 0.1.1
[INFO] tweaked toml for crates.io crate quiver-qpack 0.1.1 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-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-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac47d26db1a7be88b8f47d665e11c756c77ae7527fd15b4bf912cd1721773d86
[INFO] running `Command { std: "docker" "start" "-a" "ac47d26db1a7be88b8f47d665e11c756c77ae7527fd15b4bf912cd1721773d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac47d26db1a7be88b8f47d665e11c756c77ae7527fd15b4bf912cd1721773d86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac47d26db1a7be88b8f47d665e11c756c77ae7527fd15b4bf912cd1721773d86", kill_on_drop: false }`
[INFO] [stdout] ac47d26db1a7be88b8f47d665e11c756c77ae7527fd15b4bf912cd1721773d86
[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-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c249e06c2527bf220c1d5fc5524f145c0e0901b4dc2bb75835289623fad69738
[INFO] running `Command { std: "docker" "start" "-a" "c249e06c2527bf220c1d5fc5524f145c0e0901b4dc2bb75835289623fad69738", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking bitstream-io v1.10.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]    Compiling quiver-qpack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-bitstream-io v0.0.7
[INFO] [stderr]  Documenting quiver-qpack 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(extract_if)]
[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 `quiver-qpack`
[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 quiver_qpack src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f8bab07423e65b29 -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-e441009572a100d8.so --extern bitstream_io=/opt/rustwide/target/debug/deps/libbitstream_io-6d4c124588be80fe.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-ac6a26b9bd4e9e73.rmeta --extern phf_shared=/opt/rustwide/target/debug/deps/libphf_shared-00c9e8e4cda69f3d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-de6424552050beb8.rmeta --extern tokio_bitstream_io=/opt/rustwide/target/debug/deps/libtokio_bitstream_io-52ab61ff75250522.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c249e06c2527bf220c1d5fc5524f145c0e0901b4dc2bb75835289623fad69738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c249e06c2527bf220c1d5fc5524f145c0e0901b4dc2bb75835289623fad69738", kill_on_drop: false }`
[INFO] [stdout] c249e06c2527bf220c1d5fc5524f145c0e0901b4dc2bb75835289623fad69738
