[INFO] cloning repository https://github.com/Pyxxilated-Studios/Blackhole
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pyxxilated-Studios/Blackhole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyxxilated-Studios%2FBlackhole", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyxxilated-Studios%2FBlackhole'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b1b3af189568b4c48eaf20d7f9a81a2f78b0855
[INFO] documenting Pyxxilated-Studios/Blackhole against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPyxxilated-Studios%2FBlackhole" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pyxxilated-Studios/Blackhole 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 git repo https://github.com/Pyxxilated-Studios/Blackhole
[INFO] finished tweaking git repo https://github.com/Pyxxilated-Studios/Blackhole
[INFO] tweaked toml for git repo https://github.com/Pyxxilated-Studios/Blackhole written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Pyxxilated-Studios/Blackhole 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 prometheus-client v0.22.0
[INFO] [stderr]   Downloaded async-trait v0.1.76
[INFO] [stderr]   Downloaded chumsky v1.0.0-alpha.6
[INFO] [stderr]   Downloaded hickory-server v0.24.0
[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] d00de9d01a7b18f55bf7ba9321f2e8afaea2b03c8887555b3e32dc38cd6f9f54
[INFO] running `Command { std: "docker" "start" "-a" "d00de9d01a7b18f55bf7ba9321f2e8afaea2b03c8887555b3e32dc38cd6f9f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d00de9d01a7b18f55bf7ba9321f2e8afaea2b03c8887555b3e32dc38cd6f9f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00de9d01a7b18f55bf7ba9321f2e8afaea2b03c8887555b3e32dc38cd6f9f54", kill_on_drop: false }`
[INFO] [stdout] d00de9d01a7b18f55bf7ba9321f2e8afaea2b03c8887555b3e32dc38cd6f9f54
[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] 4d39c4b001dc618815683334f934e765866eb9999a8768f7f8e194bb32824a64
[INFO] running `Command { std: "docker" "start" "-a" "4d39c4b001dc618815683334f934e765866eb9999a8768f7f8e194bb32824a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking zerocopy v0.7.31
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling thiserror v1.0.53
[INFO] [stderr]    Compiling async-trait v0.1.76
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling serde_json v1.0.109
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]    Compiling prometheus-client v0.22.0
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.6
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking brotli-decompressor v2.5.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.53
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.4.12
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking hickory-proto v0.24.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.6
[INFO] [stderr]     Checking hickory-resolver v0.24.0
[INFO] [stderr]     Checking hickory-server v0.24.0
[INFO] [stderr]  Documenting blackhole v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lib/src.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / #![feature(
[INFO] [stdout] 4 | |     coverage_attribute,
[INFO] [stdout] 5 | |     hash_set_entry,
[INFO] [stdout] 6 | |     ip,
[INFO] [stdout] 7 | |     lazy_cell,
[INFO] [stdout] 8 | |     type_alias_impl_trait
[INFO] [stdout] 9 | | )]
[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 `blackhole`
[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 --edition=2021 --crate-type lib --crate-name blackhole lib/src.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1c4ae1496304323f -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-e32e887b6f0812d1.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-59d7d38e0883db51.so --extern chumsky=/opt/rustwide/target/debug/deps/libchumsky-7e223fdfb0382579.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-05c343b318de4a69.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-b3e18f747c702158.rmeta --extern hickory_proto=/opt/rustwide/target/debug/deps/libhickory_proto-246d8fd2490759b9.rmeta --extern hickory_resolver=/opt/rustwide/target/debug/deps/libhickory_resolver-3a96d2c53833cf7f.rmeta --extern hickory_server=/opt/rustwide/target/debug/deps/libhickory_server-efcb55bde72d8d64.rmeta --extern humantime_serde=/opt/rustwide/target/debug/deps/libhumantime_serde-f4bb77d2ff3ac2bb.rmeta --extern lru_cache=/opt/rustwide/target/debug/deps/liblru_cache-4d6dcfceda9abc60.rmeta --extern prometheus_client=/opt/rustwide/target/debug/deps/libprometheus_client-6236e16970e73f41.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-f3eb51f79cc93a1c.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-598f88fe5feb4d2b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b5cbd468c2af8e26.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-eb42d9dcbc913245.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ab04f2e82aff02d0.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7159bb6446cb8564.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-db3db4107b0b77e9.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-283ef750148ff240.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-26a125bf315add83.rmeta --extern ureq=/opt/rustwide/target/debug/deps/libureq-ad6f7e65e4202f00.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-50a94467188b4248.rmeta --cap-lints=warn --crate-version 0.13.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4d39c4b001dc618815683334f934e765866eb9999a8768f7f8e194bb32824a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d39c4b001dc618815683334f934e765866eb9999a8768f7f8e194bb32824a64", kill_on_drop: false }`
[INFO] [stdout] 4d39c4b001dc618815683334f934e765866eb9999a8768f7f8e194bb32824a64
