[INFO] crate paper 0.3.0 is already in cache
[INFO] documenting paper-0.3.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate paper 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate paper 0.3.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking crates.io crate paper 0.3.0
[INFO] finished tweaking crates.io crate paper 0.3.0
[INFO] tweaked toml for crates.io crate paper 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37e11c50174ff9ee98bebc5670eef46c9d52c37811daac74e2c340e6e64eda74
[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" "37e11c50174ff9ee98bebc5670eef46c9d52c37811daac74e2c340e6e64eda74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37e11c50174ff9ee98bebc5670eef46c9d52c37811daac74e2c340e6e64eda74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e11c50174ff9ee98bebc5670eef46c9d52c37811daac74e2c340e6e64eda74", kill_on_drop: false }`
[INFO] [stdout] 37e11c50174ff9ee98bebc5670eef46c9d52c37811daac74e2c340e6e64eda74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 9507882ad93dd6dd1f020daed2d6d2ec32cfefe00e3dc22cebfd7ffefb5ffae7
[INFO] running `Command { std: "docker" "start" "-a" "9507882ad93dd6dd1f020daed2d6d2ec32cfefe00e3dc22cebfd7ffefb5ffae7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazysort v0.2.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling double v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling lazy_static v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking float-cmp v0.2.5
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking version-sync v0.6.0
[INFO] [stderr]     Checking rec v0.3.0
[INFO] [stderr]  Documenting paper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[Filters]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |     /// The [`Filters`] used by the application.
[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: `[Filters]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:496:27
[INFO] [stdout]     |
[INFO] [stdout] 496 | /// Signifies all of the [`Filters`] used by the application.
[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: `[Filters]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:515:51
[INFO] [stdout]     |
[INFO] [stdout] 515 | /// Signifies an [`Iterator`] through all of the [`Filters`].
[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: `[Operation]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/engine.rs:41:75
[INFO] [stdout]    |
[INFO] [stdout] 41 | /// Signifies an [`error::Error`] that occurs during the execution of an [`Operation`].
[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: `[Operation]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/engine.rs:5:56
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// Signifies a [`Result`] during the execution of an [`Operation`].
[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: `[Filters]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:506:38
[INFO] [stdout]     |
[INFO] [stdout] 506 |     /// Returns the [`Iterator`] of [`Filters`].
[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 42.21s
[INFO] running `Command { std: "docker" "inspect" "9507882ad93dd6dd1f020daed2d6d2ec32cfefe00e3dc22cebfd7ffefb5ffae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9507882ad93dd6dd1f020daed2d6d2ec32cfefe00e3dc22cebfd7ffefb5ffae7", kill_on_drop: false }`
[INFO] [stdout] 9507882ad93dd6dd1f020daed2d6d2ec32cfefe00e3dc22cebfd7ffefb5ffae7