[INFO] cloning repository https://github.com/seeday/ioreg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seeday/ioreg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseeday%2Fioreg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseeday%2Fioreg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be85ab4e12e49313bd2cf1b97d2db30c901436c5
[INFO] documenting seeday/ioreg against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseeday%2Fioreg" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seeday/ioreg on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seeday/ioreg
[INFO] removed path dependency volatile_cell from git repo https://github.com/seeday/ioreg
[INFO] finished tweaking git repo https://github.com/seeday/ioreg
[INFO] tweaked toml for git repo https://github.com/seeday/ioreg written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/seeday/ioreg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (volatile_cell) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (volatile_cell) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbe7140ae2763eda552e372ab196af530c4d2927b6e44a078b28e9fe6d34b30a
[INFO] running `Command { std: "docker" "start" "-a" "cbe7140ae2763eda552e372ab196af530c4d2927b6e44a078b28e9fe6d34b30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe7140ae2763eda552e372ab196af530c4d2927b6e44a078b28e9fe6d34b30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe7140ae2763eda552e372ab196af530c4d2927b6e44a078b28e9fe6d34b30a", kill_on_drop: false }`
[INFO] [stdout] cbe7140ae2763eda552e372ab196af530c4d2927b6e44a078b28e9fe6d34b30a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b48ccaf25cfb3ba841aa5f5ed3f3207fb78bfb90d44bc226e8906a2e20b2ab9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b48ccaf25cfb3ba841aa5f5ed3f3207fb78bfb90d44bc226e8906a2e20b2ab9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: dependency (volatile_cell) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Documenting ioreg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> src/lib.rs:330:12
[INFO] [stdout]     |
[INFO] [stdout] 330 | #![feature(quote, plugin_registrar, rustc_private)]
[INFO] [stdout]     |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]    --> src/lib.rs:332:1
[INFO] [stdout]     |
[INFO] [stdout] 332 | extern crate rustc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: please recompile that crate using --crate-type lib
[INFO] [stdout]     = note: the following crate versions were found:
[INFO] [stdout]             crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.46.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.tsan.a
[INFO] [stdout]             crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.46.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.msan.a
[INFO] [stdout]             crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.46.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.asan.a
[INFO] [stdout]             crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.46.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.lsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `ioreg`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name ioreg 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` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "4b48ccaf25cfb3ba841aa5f5ed3f3207fb78bfb90d44bc226e8906a2e20b2ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b48ccaf25cfb3ba841aa5f5ed3f3207fb78bfb90d44bc226e8906a2e20b2ab9", kill_on_drop: false }`
[INFO] [stdout] 4b48ccaf25cfb3ba841aa5f5ed3f3207fb78bfb90d44bc226e8906a2e20b2ab9