[INFO] cloning repository https://github.com/xfbs/ipquery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfbs/ipquery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fipquery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fipquery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec1619516e09e7a5c3bac2e67615f835840a4752
[INFO] documenting xfbs/ipquery against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfbs%2Fipquery" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfbs/ipquery on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xfbs/ipquery
[INFO] finished tweaking git repo https://github.com/xfbs/ipquery
[INFO] tweaked toml for git repo https://github.com/xfbs/ipquery written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/xfbs/ipquery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9a5e26bf2f2c44450c2ab1004387610ef93e2c5bf3627d3fd9cff0431926dcb
[INFO] running `Command { std: "docker" "start" "-a" "f9a5e26bf2f2c44450c2ab1004387610ef93e2c5bf3627d3fd9cff0431926dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a5e26bf2f2c44450c2ab1004387610ef93e2c5bf3627d3fd9cff0431926dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a5e26bf2f2c44450c2ab1004387610ef93e2c5bf3627d3fd9cff0431926dcb", kill_on_drop: false }`
[INFO] [stdout] f9a5e26bf2f2c44450c2ab1004387610ef93e2c5bf3627d3fd9cff0431926dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6315ac330dbeecca271af8d3541111c9cf68b3d86a08f1149aa66e24523b9a2
[INFO] running `Command { std: "docker" "start" "-a" "d6315ac330dbeecca271af8d3541111c9cf68b3d86a08f1149aa66e24523b9a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
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[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
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[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]     Checking http-body v0.1.0
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[INFO] [stderr]     Checking igd v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
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[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking data-encoding-macro v0.1.7
[INFO] [stderr]     Checking trust-dns v0.16.1
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking pnet_transport v0.22.0
[INFO] [stderr]  Documenting ipquery v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ipquery`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ipquery src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-3e7b2e8ef1cdc346.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-f7071788c76c46e6.rmeta --extern igd=/opt/rustwide/target/debug/deps/libigd-63a43af75d829287.rmeta --extern pnet=/opt/rustwide/target/debug/deps/libpnet-97ea3a75f619efa4.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-87ac645f1669e02b.rmeta --extern trust_dns=/opt/rustwide/target/debug/deps/libtrust_dns-d3eec773a7603a23.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-1bedc27272ec6bef.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-9cb56655cb35f72a.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d6315ac330dbeecca271af8d3541111c9cf68b3d86a08f1149aa66e24523b9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6315ac330dbeecca271af8d3541111c9cf68b3d86a08f1149aa66e24523b9a2", kill_on_drop: false }`
[INFO] [stdout] d6315ac330dbeecca271af8d3541111c9cf68b3d86a08f1149aa66e24523b9a2
