[INFO] fetching crate unbounded-spsc 0.1.9...
[INFO] documenting unbounded-spsc-0.1.9 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate unbounded-spsc 0.1.9 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate unbounded-spsc 0.1.9 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 unbounded-spsc 0.1.9
[INFO] finished tweaking crates.io crate unbounded-spsc 0.1.9
[INFO] tweaked toml for crates.io crate unbounded-spsc 0.1.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate unbounded-spsc 0.1.9 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bounded-spsc-queue v0.4.0
[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] c23c1d49fcee2be5ef0293f30e8925cb2f4b1680cf3ea69148db5143803d8b6d
[INFO] running `Command { std: "docker" "start" "-a" "c23c1d49fcee2be5ef0293f30e8925cb2f4b1680cf3ea69148db5143803d8b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23c1d49fcee2be5ef0293f30e8925cb2f4b1680cf3ea69148db5143803d8b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23c1d49fcee2be5ef0293f30e8925cb2f4b1680cf3ea69148db5143803d8b6d", kill_on_drop: false }`
[INFO] [stdout] c23c1d49fcee2be5ef0293f30e8925cb2f4b1680cf3ea69148db5143803d8b6d
[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] d438dabb02c3c4567835b67c859c01f1fcbeb275f74d9c52547ded4213cd6058
[INFO] running `Command { std: "docker" "start" "-a" "d438dabb02c3c4567835b67c859c01f1fcbeb275f74d9c52547ded4213cd6058", kill_on_drop: false }`
[INFO] [stderr]     Checking bounded-spsc-queue v0.4.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bounded-spsc-queue-0.4.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[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 compile `bounded-spsc-queue` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d438dabb02c3c4567835b67c859c01f1fcbeb275f74d9c52547ded4213cd6058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d438dabb02c3c4567835b67c859c01f1fcbeb275f74d9c52547ded4213cd6058", kill_on_drop: false }`
[INFO] [stdout] d438dabb02c3c4567835b67c859c01f1fcbeb275f74d9c52547ded4213cd6058
[INFO] documenting unbounded-spsc-0.1.9 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate unbounded-spsc 0.1.9 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate unbounded-spsc 0.1.9 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 unbounded-spsc 0.1.9
[INFO] finished tweaking crates.io crate unbounded-spsc 0.1.9
[INFO] tweaked toml for crates.io crate unbounded-spsc 0.1.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate unbounded-spsc 0.1.9 already has a lockfile, it will not be regenerated
[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] ff3be625a9345b1b1505dd7f970f976a654b551b66b465d9de7628ac7596e84e
[INFO] running `Command { std: "docker" "start" "-a" "ff3be625a9345b1b1505dd7f970f976a654b551b66b465d9de7628ac7596e84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff3be625a9345b1b1505dd7f970f976a654b551b66b465d9de7628ac7596e84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3be625a9345b1b1505dd7f970f976a654b551b66b465d9de7628ac7596e84e", kill_on_drop: false }`
[INFO] [stdout] ff3be625a9345b1b1505dd7f970f976a654b551b66b465d9de7628ac7596e84e
[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] dc2f263a463fe03d912b01d21c15d2cdf13afb437aac181f215d5fbb2d6f3455
[INFO] running `Command { std: "docker" "start" "-a" "dc2f263a463fe03d912b01d21c15d2cdf13afb437aac181f215d5fbb2d6f3455", kill_on_drop: false }`
[INFO] [stderr]     Checking bounded-spsc-queue v0.4.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bounded-spsc-queue-0.4.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[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 compile `bounded-spsc-queue` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dc2f263a463fe03d912b01d21c15d2cdf13afb437aac181f215d5fbb2d6f3455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2f263a463fe03d912b01d21c15d2cdf13afb437aac181f215d5fbb2d6f3455", kill_on_drop: false }`
[INFO] [stdout] dc2f263a463fe03d912b01d21c15d2cdf13afb437aac181f215d5fbb2d6f3455
