[INFO] fetching crate executors 0.6.0...
[INFO] documenting executors-0.6.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate executors 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate executors 0.6.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate executors 0.6.0
[INFO] finished tweaking crates.io crate executors 0.6.0
[INFO] tweaked toml for crates.io crate executors 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9950ea92a25710875f79afd5f60e1c94905ae64888a9f7bfbe75ee9c3d1a90fd
[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" "9950ea92a25710875f79afd5f60e1c94905ae64888a9f7bfbe75ee9c3d1a90fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9950ea92a25710875f79afd5f60e1c94905ae64888a9f7bfbe75ee9c3d1a90fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9950ea92a25710875f79afd5f60e1c94905ae64888a9f7bfbe75ee9c3d1a90fd", kill_on_drop: false }`
[INFO] [stdout] 9950ea92a25710875f79afd5f60e1c94905ae64888a9f7bfbe75ee9c3d1a90fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95b99135aad9b44cf49f12fb2671513a83694b1e69a9248ed473efa521a73681
[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" "95b99135aad9b44cf49f12fb2671513a83694b1e69a9248ed473efa521a73681", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking synchronoise v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]  Documenting executors v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[prepare_park]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/parker.rs:32:58
[INFO] [stdout]    |
[INFO] [stdout] 32 |     /// The parker was left in the "prepared" state (s. [`prepare_park`]).
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[abort_park]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/parker.rs:35:63
[INFO] [stdout]    |
[INFO] [stdout] 35 |     /// The parker was moved out of the "prepared" state (s. [`abort_park`]).
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[abort_park]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/parker.rs:38:63
[INFO] [stdout]    |
[INFO] [stdout] 38 |     /// The parker was moved out of the "prepared" state (s. [`abort_park`]).
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[abort_park]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/parker.rs:53:67
[INFO] [stdout]    |
[INFO] [stdout] 53 |     /// If the resource is available afterwards, you *must* call [`abort_park`].
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[park]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/parker.rs:54:55
[INFO] [stdout]    |
[INFO] [stdout] 54 |     /// If it is not available afterwards, then call [`park`].
[INFO] [stdout]    |                                                       ^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[prepare_park]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/parker.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |     /// You *must* call this if you have called [`prepare_park`], but then the resource became available.
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.36s
[INFO] running `Command { std: "docker" "inspect" "95b99135aad9b44cf49f12fb2671513a83694b1e69a9248ed473efa521a73681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b99135aad9b44cf49f12fb2671513a83694b1e69a9248ed473efa521a73681", kill_on_drop: false }`
[INFO] [stdout] 95b99135aad9b44cf49f12fb2671513a83694b1e69a9248ed473efa521a73681