[INFO] fetching crate uuid_v1_variant 0.1.4...
[INFO] documenting uuid_v1_variant-0.1.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate uuid_v1_variant 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate uuid_v1_variant 0.1.4 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 uuid_v1_variant 0.1.4
[INFO] finished tweaking crates.io crate uuid_v1_variant 0.1.4
[INFO] tweaked toml for crates.io crate uuid_v1_variant 0.1.4 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eui48 v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2f5a7792d29d49ed2bc695faa92cebd6c7847ebabe70900063b3d11a495eb9f1
[INFO] running `Command { std: "docker" "start" "-a" "2f5a7792d29d49ed2bc695faa92cebd6c7847ebabe70900063b3d11a495eb9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5a7792d29d49ed2bc695faa92cebd6c7847ebabe70900063b3d11a495eb9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5a7792d29d49ed2bc695faa92cebd6c7847ebabe70900063b3d11a495eb9f1", kill_on_drop: false }`
[INFO] [stdout] 2f5a7792d29d49ed2bc695faa92cebd6c7847ebabe70900063b3d11a495eb9f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9ca7ab38e92463010176328857f727f122762c544eb896ec31986efab94b4f89
[INFO] running `Command { std: "docker" "start" "-a" "9ca7ab38e92463010176328857f727f122762c544eb896ec31986efab94b4f89", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking eui48 v0.3.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]  Documenting uuid_v1_variant v0.1.4 (/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(libc)]
[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 `uuid_v1_variant`
[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 staticlib --crate-type lib --crate-name uuid_v1_variant src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=da7ee9a4ae203d41 -L dependency=/opt/rustwide/target/debug/deps --extern eui48=/opt/rustwide/target/debug/deps/libeui48-bc0ff91de0b3cc48.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c6a2643f165368a4.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-1072f909ccbc68c2.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9ca7ab38e92463010176328857f727f122762c544eb896ec31986efab94b4f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca7ab38e92463010176328857f727f122762c544eb896ec31986efab94b4f89", kill_on_drop: false }`
[INFO] [stdout] 9ca7ab38e92463010176328857f727f122762c544eb896ec31986efab94b4f89
[INFO] documenting uuid_v1_variant-0.1.4 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate uuid_v1_variant 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate uuid_v1_variant 0.1.4 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 uuid_v1_variant 0.1.4
[INFO] finished tweaking crates.io crate uuid_v1_variant 0.1.4
[INFO] tweaked toml for crates.io crate uuid_v1_variant 0.1.4 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c638679818096c4b831dda3dd4f62d38bc374f1d13b966edaeded07af6496437
[INFO] running `Command { std: "docker" "start" "-a" "c638679818096c4b831dda3dd4f62d38bc374f1d13b966edaeded07af6496437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c638679818096c4b831dda3dd4f62d38bc374f1d13b966edaeded07af6496437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c638679818096c4b831dda3dd4f62d38bc374f1d13b966edaeded07af6496437", kill_on_drop: false }`
[INFO] [stdout] c638679818096c4b831dda3dd4f62d38bc374f1d13b966edaeded07af6496437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9a91021e8968b470a29120c6ea0f168550b48d64033a26a0353411f8beaf47cf
[INFO] running `Command { std: "docker" "start" "-a" "9a91021e8968b470a29120c6ea0f168550b48d64033a26a0353411f8beaf47cf", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking eui48 v0.3.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]  Documenting uuid_v1_variant v0.1.4 (/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(libc)]
[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 `uuid_v1_variant`
[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 staticlib --crate-type lib --crate-name uuid_v1_variant src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7bc5a35a9991587f -L dependency=/opt/rustwide/target/debug/deps --extern eui48=/opt/rustwide/target/debug/deps/libeui48-eb5bc38c3fb82986.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8f2cf4e17c0c1fba.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-e18f434d98428334.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9a91021e8968b470a29120c6ea0f168550b48d64033a26a0353411f8beaf47cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a91021e8968b470a29120c6ea0f168550b48d64033a26a0353411f8beaf47cf", kill_on_drop: false }`
[INFO] [stdout] 9a91021e8968b470a29120c6ea0f168550b48d64033a26a0353411f8beaf47cf
