[INFO] fetching crate delay 0.1.1...
[INFO] documenting delay-0.1.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate delay 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate delay 0.1.1 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 delay 0.1.1
[INFO] finished tweaking crates.io crate delay 0.1.1
[INFO] tweaked toml for crates.io crate delay 0.1.1 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 40eecdd7aa446ed6930fd94d7aad450cbb0e833171947207df559754976a44d5
[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" "40eecdd7aa446ed6930fd94d7aad450cbb0e833171947207df559754976a44d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40eecdd7aa446ed6930fd94d7aad450cbb0e833171947207df559754976a44d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40eecdd7aa446ed6930fd94d7aad450cbb0e833171947207df559754976a44d5", kill_on_drop: false }`
[INFO] [stdout] 40eecdd7aa446ed6930fd94d7aad450cbb0e833171947207df559754976a44d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8244516ee916e09929728dd38b78399f6e39a619c29ea3511d2aa4468824e2f1
[INFO] running `Command { std: "docker" "start" "-a" "8244516ee916e09929728dd38b78399f6e39a619c29ea3511d2aa4468824e2f1", kill_on_drop: false }`
[INFO] [stderr]  Documenting delay v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[start]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:25:76
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// Then when you're ready to start a process that needs to wait, use the [start()]
[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: `[wait]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:26:44
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// function. Every wait period, call the [wait()] function on it (it may block the
[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: `[stop]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// thread). When you're done, you may call [stop()].
[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: `[stop]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:29:74
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// Waiters can be reused and re-started, but most would expect to have [stop()]
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "8244516ee916e09929728dd38b78399f6e39a619c29ea3511d2aa4468824e2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8244516ee916e09929728dd38b78399f6e39a619c29ea3511d2aa4468824e2f1", kill_on_drop: false }`
[INFO] [stdout] 8244516ee916e09929728dd38b78399f6e39a619c29ea3511d2aa4468824e2f1