[INFO] fetching crate calloop 0.9.0...
[INFO] documenting calloop-0.9.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate calloop 0.9.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate calloop 0.9.0 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 calloop 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate calloop 0.9.0
[INFO] tweaked toml for crates.io crate calloop 0.9.0 written to /workspace/builds/worker-16/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 0808f6d151f8db50c9cebe6c8537fe2e2bb74afb3bb119984a21d746b67d5b1a
[INFO] running `Command { std: "docker" "start" "-a" "0808f6d151f8db50c9cebe6c8537fe2e2bb74afb3bb119984a21d746b67d5b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0808f6d151f8db50c9cebe6c8537fe2e2bb74afb3bb119984a21d746b67d5b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0808f6d151f8db50c9cebe6c8537fe2e2bb74afb3bb119984a21d746b67d5b1a", kill_on_drop: false }`
[INFO] [stdout] 0808f6d151f8db50c9cebe6c8537fe2e2bb74afb3bb119984a21d746b67d5b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] e44fe953434fb0c72cce1c1f74052d83354027cd3259c0b44c7166b6362dbf8b
[INFO] running `Command { std: "docker" "start" "-a" "e44fe953434fb0c72cce1c1f74052d83354027cd3259c0b44c7166b6362dbf8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]  Documenting calloop v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `futures`
[INFO] [stdout]    --> src/lib.rs:119:59
[INFO] [stdout]     |
[INFO] [stdout] 119 | //! Activating the `executor` cargo feature will add the [`futures`] module, which provides
[INFO] [stdout]     |                                                           ^^^^^^^^^ no item named `futures` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.88s
[INFO] running `Command { std: "docker" "inspect" "e44fe953434fb0c72cce1c1f74052d83354027cd3259c0b44c7166b6362dbf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44fe953434fb0c72cce1c1f74052d83354027cd3259c0b44c7166b6362dbf8b", kill_on_drop: false }`
[INFO] [stdout] e44fe953434fb0c72cce1c1f74052d83354027cd3259c0b44c7166b6362dbf8b
