[INFO] cloning repository https://github.com/Bluheir/cloudflareddns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bluheir/cloudflareddns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBluheir%2Fcloudflareddns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBluheir%2Fcloudflareddns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdba3d7089881852aa0707aa1a4a6723f36bab40
[INFO] documenting Bluheir/cloudflareddns 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%2FBluheir%2Fcloudflareddns" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bluheir/cloudflareddns 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/Bluheir/cloudflareddns
[INFO] finished tweaking git repo https://github.com/Bluheir/cloudflareddns
[INFO] tweaked toml for git repo https://github.com/Bluheir/cloudflareddns written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Bluheir/cloudflareddns 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bc4bdb2e46c07feb81611be19494a1cfd511ae3783cb78bdf4ff12129189ed3d
[INFO] running `Command { std: "docker" "start" "-a" "bc4bdb2e46c07feb81611be19494a1cfd511ae3783cb78bdf4ff12129189ed3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc4bdb2e46c07feb81611be19494a1cfd511ae3783cb78bdf4ff12129189ed3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4bdb2e46c07feb81611be19494a1cfd511ae3783cb78bdf4ff12129189ed3d", kill_on_drop: false }`
[INFO] [stdout] bc4bdb2e46c07feb81611be19494a1cfd511ae3783cb78bdf4ff12129189ed3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3922b4d25acdc4641194fc41724ace577f97b31fc37482b0bc03140161bcf5bf
[INFO] running `Command { std: "docker" "start" "-a" "3922b4d25acdc4641194fc41724ace577f97b31fc37482b0bc03140161bcf5bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling async-trait v0.1.61
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking data-encoding v2.3.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking dns-lookup v1.0.8
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.15
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.5.10
[INFO] [stderr]     Checking trust-dns-client v0.20.4
[INFO] [stderr]     Checking hyper v0.14.23
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-system-resolver v0.5.0
[INFO] [stderr]     Checking public-ip v0.2.2
[INFO] [stderr]     Checking reqwest v0.11.13
[INFO] [stderr]  Documenting cloudflareddns v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[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 `cloudflareddns`
[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 bin --crate-name cloudflareddns src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=23635c2ed8e5b263 -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-622bf026195919d3.rmeta --extern public_ip=/opt/rustwide/target/debug/deps/libpublic_ip-2bdbfb1f89e7e043.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-9879eb5eedff3738.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0568177a7bcb8a73.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-364093bf8980fc0b.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-43fe75c294b92806.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4ab520a8c29a909a.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-31e89e80318cc755.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-4ff356934aeaf97d.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-bea2225860cf4316.rmeta --cap-lints=warn --crate-version 1.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3922b4d25acdc4641194fc41724ace577f97b31fc37482b0bc03140161bcf5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3922b4d25acdc4641194fc41724ace577f97b31fc37482b0bc03140161bcf5bf", kill_on_drop: false }`
[INFO] [stdout] 3922b4d25acdc4641194fc41724ace577f97b31fc37482b0bc03140161bcf5bf
