[INFO] crate xi-trace 0.2.0 is already in cache
[INFO] documenting xi-trace-0.2.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate xi-trace 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xi-trace 0.2.0 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 xi-trace 0.2.0
[INFO] finished tweaking crates.io crate xi-trace 0.2.0
[INFO] tweaked toml for crates.io crate xi-trace 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] adc4f2c0021aeab7c88ae800c0fc1dc161af0a124f6482e0d1f6297eff4e4b8d
[INFO] running `Command { std: "docker" "start" "-a" "adc4f2c0021aeab7c88ae800c0fc1dc161af0a124f6482e0d1f6297eff4e4b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adc4f2c0021aeab7c88ae800c0fc1dc161af0a124f6482e0d1f6297eff4e4b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc4f2c0021aeab7c88ae800c0fc1dc161af0a124f6482e0d1f6297eff4e4b8d", kill_on_drop: false }`
[INFO] [stdout] adc4f2c0021aeab7c88ae800c0fc1dc161af0a124f6482e0d1f6297eff4e4b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ce5f387dbafafe3ca0a0562d73fd0f7276ccd2de36681b2f99728ca58f2e7db7
[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" "ce5f387dbafafe3ca0a0562d73fd0f7276ccd2de36681b2f99728ca58f2e7db7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]  Documenting xi-trace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[0]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/fixed_lifo_deque.rs:107:71
[INFO] [stdout]     |
[INFO] [stdout] 107 |     /// Returns a tuple of 2 slices that represents the ring buffer. [0] is the
[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: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/fixed_lifo_deque.rs:109:44
[INFO] [stdout]     |
[INFO] [stdout] 109 |     /// element (whichever comes first).  [1] is the continuation of [0] if the
[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/fixed_lifo_deque.rs:109:71
[INFO] [stdout]     |
[INFO] [stdout] 109 |     /// element (whichever comes first).  [1] is the continuation of [0] if the
[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: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/chrome_trace_dump.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / /// This serializes the samples into the [Chrome trace event format](https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=...
[INFO] [stdout] 67 | | ///
[INFO] [stdout] 68 | | /// # Arguments
[INFO] [stdout] 69 | | /// `samples` - Something that can be converted into an iterator of sample
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | | /// serialize(samples.iter(), serialized);
[INFO] [stdout] 84 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_codeblock_attribute)]` on by default
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.94s
[INFO] running `Command { std: "docker" "inspect" "ce5f387dbafafe3ca0a0562d73fd0f7276ccd2de36681b2f99728ca58f2e7db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5f387dbafafe3ca0a0562d73fd0f7276ccd2de36681b2f99728ca58f2e7db7", kill_on_drop: false }`
[INFO] [stdout] ce5f387dbafafe3ca0a0562d73fd0f7276ccd2de36681b2f99728ca58f2e7db7