[INFO] fetching crate ra-ap-rustc_serialize 0.20.0...
[INFO] documenting ra-ap-rustc_serialize-0.20.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ra-ap-rustc_serialize 0.20.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ra-ap-rustc_serialize 0.20.0 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 ra-ap-rustc_serialize 0.20.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_serialize 0.20.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_serialize 0.20.0 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] [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 thin-vec v0.2.13
[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] 09503e2a3847bde6da2f321f677aaf3386708346fc00d87a538726e23f24b958
[INFO] running `Command { std: "docker" "start" "-a" "09503e2a3847bde6da2f321f677aaf3386708346fc00d87a538726e23f24b958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09503e2a3847bde6da2f321f677aaf3386708346fc00d87a538726e23f24b958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09503e2a3847bde6da2f321f677aaf3386708346fc00d87a538726e23f24b958", kill_on_drop: false }`
[INFO] [stdout] 09503e2a3847bde6da2f321f677aaf3386708346fc00d87a538726e23f24b958
[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] 31757c8e8e641089f09cc942c24339e58b6cfafc1f48ea9b16dbc2a2d85f303e
[INFO] running `Command { std: "docker" "start" "-a" "31757c8e8e641089f09cc942c24339e58b6cfafc1f48ea9b16dbc2a2d85f303e", kill_on_drop: false }`
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]     Checking smallvec v1.11.2
[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/smallvec-1.11.2/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "31757c8e8e641089f09cc942c24339e58b6cfafc1f48ea9b16dbc2a2d85f303e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31757c8e8e641089f09cc942c24339e58b6cfafc1f48ea9b16dbc2a2d85f303e", kill_on_drop: false }`
[INFO] [stdout] 31757c8e8e641089f09cc942c24339e58b6cfafc1f48ea9b16dbc2a2d85f303e
[INFO] documenting ra-ap-rustc_serialize-0.20.0 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate ra-ap-rustc_serialize 0.20.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ra-ap-rustc_serialize 0.20.0 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 ra-ap-rustc_serialize 0.20.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_serialize 0.20.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_serialize 0.20.0 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] [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-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] a2793ecea8a790274d5098105fac868d631d08d18180c01ee4580ed9bade5f8f
[INFO] running `Command { std: "docker" "start" "-a" "a2793ecea8a790274d5098105fac868d631d08d18180c01ee4580ed9bade5f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2793ecea8a790274d5098105fac868d631d08d18180c01ee4580ed9bade5f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2793ecea8a790274d5098105fac868d631d08d18180c01ee4580ed9bade5f8f", kill_on_drop: false }`
[INFO] [stdout] a2793ecea8a790274d5098105fac868d631d08d18180c01ee4580ed9bade5f8f
[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] 1593536ed7214e658b09d6d6e34a07aa68147a42378023980bd8a9646f8ebd1d
[INFO] running `Command { std: "docker" "start" "-a" "1593536ed7214e658b09d6d6e34a07aa68147a42378023980bd8a9646f8ebd1d", kill_on_drop: false }`
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]     Checking smallvec v1.11.2
[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/smallvec-1.11.2/src/lib.rs:96:37
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![cfg_attr(feature = "may_dangle", feature(dropck_eyepatch))]
[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 `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1593536ed7214e658b09d6d6e34a07aa68147a42378023980bd8a9646f8ebd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1593536ed7214e658b09d6d6e34a07aa68147a42378023980bd8a9646f8ebd1d", kill_on_drop: false }`
[INFO] [stdout] 1593536ed7214e658b09d6d6e34a07aa68147a42378023980bd8a9646f8ebd1d
