[INFO] fetching crate slog-unwrap 0.9.2...
[INFO] documenting slog-unwrap-0.9.2 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate slog-unwrap 0.9.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate slog-unwrap 0.9.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-unwrap 0.9.2
[INFO] finished tweaking crates.io crate slog-unwrap 0.9.2
[INFO] tweaked toml for crates.io crate slog-unwrap 0.9.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 415c353a5aca0e831aff87a301dc72cb4334f90f8c08125515b1cd54579df3ab
[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" "415c353a5aca0e831aff87a301dc72cb4334f90f8c08125515b1cd54579df3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "415c353a5aca0e831aff87a301dc72cb4334f90f8c08125515b1cd54579df3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415c353a5aca0e831aff87a301dc72cb4334f90f8c08125515b1cd54579df3ab", kill_on_drop: false }`
[INFO] [stdout] 415c353a5aca0e831aff87a301dc72cb4334f90f8c08125515b1cd54579df3ab
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 868f8194ae43a76623f707af7103e0f056db82fed433c68e0d4df50ea534b798
[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" "868f8194ae43a76623f707af7103e0f056db82fed433c68e0d4df50ea534b798", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting slog-unwrap v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Critical`
[INFO] [stdout]    --> src/slog.rs:131:32
[INFO] [stdout]     |
[INFO] [stdout] 131 |     /// [`slog::Logger`] at a [`Critical`] level.
[INFO] [stdout]     |                                ^^^^^^^^^^ the module `slog` contains no item named `Critical`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(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 `Critical`
[INFO] [stdout]    --> src/slog.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |     /// [`slog::Logger`] at a [`Critical`] level.
[INFO] [stdout]     |                                ^^^^^^^^^^ the module `slog` contains no item named `Critical`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Critical`
[INFO] [stdout]    --> src/slog.rs:147:54
[INFO] [stdout]     |
[INFO] [stdout] 147 |     /// [`Some`]'s value to a [`slog::Logger`] at a [`Critical`] level.
[INFO] [stdout]     |                                                      ^^^^^^^^^^ the module `slog` contains no item named `Critical`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Critical`
[INFO] [stdout]    --> src/slog.rs:157:61
[INFO] [stdout]     |
[INFO] [stdout] 157 |     /// content of the [`Some`] to a [`slog::Logger`] at a [`Critical`] level.
[INFO] [stdout]     |                                                             ^^^^^^^^^^ the module `slog` contains no item named `Critical`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Critical`
[INFO] [stdout]    --> src/slog.rs:131:32
[INFO] [stdout]     |
[INFO] [stdout] 131 |     /// [`slog::Logger`] at a [`Critical`] level.
[INFO] [stdout]     |                                ^^^^^^^^^^ the module `slog` contains no item named `Critical`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "868f8194ae43a76623f707af7103e0f056db82fed433c68e0d4df50ea534b798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868f8194ae43a76623f707af7103e0f056db82fed433c68e0d4df50ea534b798", kill_on_drop: false }`
[INFO] [stdout] 868f8194ae43a76623f707af7103e0f056db82fed433c68e0d4df50ea534b798
