[INFO] crate yat 0.1.0 is already in cache
[INFO] documenting yat-0.1.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate yat 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate yat 0.1.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yat 0.1.0
[INFO] finished tweaking crates.io crate yat 0.1.0
[INFO] tweaked toml for crates.io crate yat 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate yat 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d32e2a05a78c8a649f91011df9a5eaf4c023fac4719d8cb678e9212a4015ade4
[INFO] running `Command { std: "docker" "start" "-a" "d32e2a05a78c8a649f91011df9a5eaf4c023fac4719d8cb678e9212a4015ade4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32e2a05a78c8a649f91011df9a5eaf4c023fac4719d8cb678e9212a4015ade4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32e2a05a78c8a649f91011df9a5eaf4c023fac4719d8cb678e9212a4015ade4", kill_on_drop: false }`
[INFO] [stdout] d32e2a05a78c8a649f91011df9a5eaf4c023fac4719d8cb678e9212a4015ade4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 5c3d3c35ab23359907a7b8f4d76cd920ceaa06343aba2fd09428de0f15c8777f
[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" "5c3d3c35ab23359907a7b8f4d76cd920ceaa06343aba2fd09428de0f15c8777f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]  Documenting yat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[border]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/config.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | /// Layout of [border] section of config.toml file.
[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: `[colours]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/config.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// Layout of [colours] section of config.toml file.
[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: `[keys]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/config.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 | /// Layout of [keys] section of config.toml file.
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.25s
[INFO] running `Command { std: "docker" "inspect" "5c3d3c35ab23359907a7b8f4d76cd920ceaa06343aba2fd09428de0f15c8777f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3d3c35ab23359907a7b8f4d76cd920ceaa06343aba2fd09428de0f15c8777f", kill_on_drop: false }`
[INFO] [stdout] 5c3d3c35ab23359907a7b8f4d76cd920ceaa06343aba2fd09428de0f15c8777f