[INFO] crate format_num 0.1.0 is already in cache
[INFO] documenting format_num-0.1.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate format_num 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate format_num 0.1.0 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 format_num 0.1.0
[INFO] finished tweaking crates.io crate format_num 0.1.0
[INFO] tweaked toml for crates.io crate format_num 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate format_num 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] caf3a7af9ace824ad05934a75db1a9fd4aa9c9cd7635d4b4c2406621af14f102
[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" "caf3a7af9ace824ad05934a75db1a9fd4aa9c9cd7635d4b4c2406621af14f102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caf3a7af9ace824ad05934a75db1a9fd4aa9c9cd7635d4b4c2406621af14f102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf3a7af9ace824ad05934a75db1a9fd4aa9c9cd7635d4b4c2406621af14f102", kill_on_drop: false }`
[INFO] [stdout] caf3a7af9ace824ad05934a75db1a9fd4aa9c9cd7635d4b4c2406621af14f102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] cc858ac23308c0f35ae22aaaf02feca1471f6eb3b3372b2fb99453672b56d432
[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" "cc858ac23308c0f35ae22aaaf02feca1471f6eb3b3372b2fb99453672b56d432", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]  Documenting format_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[fill]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |     /// The format spec pattern is the following: [[fill]align][sign][symbol][0][width][,][.precision][type]
[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: `[sign]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:334:65
[INFO] [stdout]     |
[INFO] [stdout] 334 |     /// The format spec pattern is the following: [[fill]align][sign][symbol][0][width][,][.precision][type]
[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: `[symbol]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:334:71
[INFO] [stdout]     |
[INFO] [stdout] 334 |     /// The format spec pattern is the following: [[fill]align][sign][symbol][0][width][,][.precision][type]
[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: `[0]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:334:79
[INFO] [stdout]     |
[INFO] [stdout] 334 |     /// The format spec pattern is the following: [[fill]align][sign][symbol][0][width][,][.precision][type]
[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: `[width]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:334:82
[INFO] [stdout]     |
[INFO] [stdout] 334 |     /// The format spec pattern is the following: [[fill]align][sign][symbol][0][width][,][.precision][type]
[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: `[type]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:334:104
[INFO] [stdout]     |
[INFO] [stdout] 334 |     /// The format spec pattern is the following: [[fill]align][sign][symbol][0][width][,][.precision][type]
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "cc858ac23308c0f35ae22aaaf02feca1471f6eb3b3372b2fb99453672b56d432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc858ac23308c0f35ae22aaaf02feca1471f6eb3b3372b2fb99453672b56d432", kill_on_drop: false }`
[INFO] [stdout] cc858ac23308c0f35ae22aaaf02feca1471f6eb3b3372b2fb99453672b56d432