[INFO] fetching crate grid 0.4.0...
[INFO] documenting grid-0.4.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate grid 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate grid 0.4.0 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 grid 0.4.0
[INFO] finished tweaking crates.io crate grid 0.4.0
[INFO] tweaked toml for crates.io crate grid 0.4.0 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] f136fb8519dedb46410fdc858c862fbef6b60bc15e086ed716d1e72cd6957f4b
[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" "f136fb8519dedb46410fdc858c862fbef6b60bc15e086ed716d1e72cd6957f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f136fb8519dedb46410fdc858c862fbef6b60bc15e086ed716d1e72cd6957f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f136fb8519dedb46410fdc858c862fbef6b60bc15e086ed716d1e72cd6957f4b", kill_on_drop: false }`
[INFO] [stdout] f136fb8519dedb46410fdc858c862fbef6b60bc15e086ed716d1e72cd6957f4b
[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" "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] b872e6a8001807facdc69e85fe3fc588856f7600d4530c3456171876bcacfec8
[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" "b872e6a8001807facdc69e85fe3fc588856f7600d4530c3456171876bcacfec8", kill_on_drop: false }`
[INFO] [stderr]  Documenting grid v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `1,2,3`
[INFO] [stdout]    --> src/lib.rs:165:10
[INFO] [stdout]     |
[INFO] [stdout] 165 |     /// [1,2,3]
[INFO] [stdout]     |          ^^^^^ no item named `1,2,3` 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: unresolved link to `4,5,6`
[INFO] [stdout]    --> src/lib.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |     /// [4,5,6]
[INFO] [stdout]     |          ^^^^^ no item named `4,5,6` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "b872e6a8001807facdc69e85fe3fc588856f7600d4530c3456171876bcacfec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b872e6a8001807facdc69e85fe3fc588856f7600d4530c3456171876bcacfec8", kill_on_drop: false }`
[INFO] [stdout] b872e6a8001807facdc69e85fe3fc588856f7600d4530c3456171876bcacfec8
