[INFO] fetching crate acon 0.5.2...
[INFO] documenting acon-0.5.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate acon 0.5.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate acon 0.5.2 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 acon 0.5.2
[INFO] finished tweaking crates.io crate acon 0.5.2
[INFO] tweaked toml for crates.io crate acon 0.5.2 written to /workspace/builds/worker-0-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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 041a1fa22e7bdab19c5901927dd63621f415da9597636a2088c77e09a9197562
[INFO] running `Command { std: "docker" "start" "-a" "041a1fa22e7bdab19c5901927dd63621f415da9597636a2088c77e09a9197562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "041a1fa22e7bdab19c5901927dd63621f415da9597636a2088c77e09a9197562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041a1fa22e7bdab19c5901927dd63621f415da9597636a2088c77e09a9197562", kill_on_drop: false }`
[INFO] [stdout] 041a1fa22e7bdab19c5901927dd63621f415da9597636a2088c77e09a9197562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5facbc8b5fa9964e7598468602f9ff118c68748365a85c4292631d3d810c35ba
[INFO] running `Command { std: "docker" "start" "-a" "5facbc8b5fa9964e7598468602f9ff118c68748365a85c4292631d3d810c35ba", kill_on_drop: false }`
[INFO] [stderr]  Documenting acon v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | #![feature(test)]
[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 `acon`
[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 --crate-type lib --crate-name acon src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b183901217a3814a -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.5.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5facbc8b5fa9964e7598468602f9ff118c68748365a85c4292631d3d810c35ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5facbc8b5fa9964e7598468602f9ff118c68748365a85c4292631d3d810c35ba", kill_on_drop: false }`
[INFO] [stdout] 5facbc8b5fa9964e7598468602f9ff118c68748365a85c4292631d3d810c35ba
[INFO] documenting acon-0.5.2 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate acon 0.5.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate acon 0.5.2 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 acon 0.5.2
[INFO] finished tweaking crates.io crate acon 0.5.2
[INFO] tweaked toml for crates.io crate acon 0.5.2 written to /workspace/builds/worker-0-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] 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f682b076d9bffd5148f9925ec44ced3f6fe4e073e5968ddc9f5d19de109c7730
[INFO] running `Command { std: "docker" "start" "-a" "f682b076d9bffd5148f9925ec44ced3f6fe4e073e5968ddc9f5d19de109c7730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f682b076d9bffd5148f9925ec44ced3f6fe4e073e5968ddc9f5d19de109c7730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f682b076d9bffd5148f9925ec44ced3f6fe4e073e5968ddc9f5d19de109c7730", kill_on_drop: false }`
[INFO] [stdout] f682b076d9bffd5148f9925ec44ced3f6fe4e073e5968ddc9f5d19de109c7730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] befba618397c668249b46ad0a767f0f8e9822ca5f2d7fe250a7a63b36caa4fe0
[INFO] running `Command { std: "docker" "start" "-a" "befba618397c668249b46ad0a767f0f8e9822ca5f2d7fe250a7a63b36caa4fe0", kill_on_drop: false }`
[INFO] [stderr]  Documenting acon v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | #![feature(test)]
[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 `acon`
[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 --crate-type lib --crate-name acon src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=15e4733b76289adc -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.5.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "befba618397c668249b46ad0a767f0f8e9822ca5f2d7fe250a7a63b36caa4fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befba618397c668249b46ad0a767f0f8e9822ca5f2d7fe250a7a63b36caa4fe0", kill_on_drop: false }`
[INFO] [stdout] befba618397c668249b46ad0a767f0f8e9822ca5f2d7fe250a7a63b36caa4fe0
