[INFO] fetching crate ipp-headers-sys 0.4.3...
[INFO] documenting ipp-headers-sys-0.4.3 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate ipp-headers-sys 0.4.3 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate ipp-headers-sys 0.4.3 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 crates.io crate ipp-headers-sys 0.4.3
[INFO] finished tweaking crates.io crate ipp-headers-sys 0.4.3
[INFO] tweaked toml for crates.io crate ipp-headers-sys 0.4.3 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] db20ca373c86703be9656735bc0f6d6f223cf21df7bb87c33fe58deb50841d27
[INFO] running `Command { std: "docker" "start" "-a" "db20ca373c86703be9656735bc0f6d6f223cf21df7bb87c33fe58deb50841d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db20ca373c86703be9656735bc0f6d6f223cf21df7bb87c33fe58deb50841d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db20ca373c86703be9656735bc0f6d6f223cf21df7bb87c33fe58deb50841d27", kill_on_drop: false }`
[INFO] [stdout] db20ca373c86703be9656735bc0f6d6f223cf21df7bb87c33fe58deb50841d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 4c029c34dda9378c5131f79416508d65b4f51e6e44641b8eafd45d2034dba45d
[INFO] running `Command { std: "docker" "start" "-a" "4c029c34dda9378c5131f79416508d65b4f51e6e44641b8eafd45d2034dba45d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ipp-headers-sys v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: You are attempting to compile without a required feature flag being used. You must use one of either `2017`, `2018`, `2019`
[INFO] [stdout]   --> src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / compile_error!("You are attempting to compile without a required feature flag \
[INFO] [stdout] 38 | |     being used. You must use one of either `2017`, `2018`, `2019`");
[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] [stderr] error: could not document `ipp-headers-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name ipp_headers_sys 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 --cap-lints=warn --crate-version 0.4.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4c029c34dda9378c5131f79416508d65b4f51e6e44641b8eafd45d2034dba45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c029c34dda9378c5131f79416508d65b4f51e6e44641b8eafd45d2034dba45d", kill_on_drop: false }`
[INFO] [stdout] 4c029c34dda9378c5131f79416508d65b4f51e6e44641b8eafd45d2034dba45d
