[INFO] crate tracing-timing 0.4.3 is already in cache
[INFO] documenting tracing-timing-0.4.3 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate tracing-timing 0.4.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tracing-timing 0.4.3 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 tracing-timing 0.4.3
[INFO] finished tweaking crates.io crate tracing-timing 0.4.3
[INFO] tweaked toml for crates.io crate tracing-timing 0.4.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tracing-timing 0.4.3 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 7cb58ef9df3700bef72f36b4e64a3fc591ea1984d2326b8d5174d130f52f38e3
[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" "7cb58ef9df3700bef72f36b4e64a3fc591ea1984d2326b8d5174d130f52f38e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb58ef9df3700bef72f36b4e64a3fc591ea1984d2326b8d5174d130f52f38e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb58ef9df3700bef72f36b4e64a3fc591ea1984d2326b8d5174d130f52f38e3", kill_on_drop: false }`
[INFO] [stdout] 7cb58ef9df3700bef72f36b4e64a3fc591ea1984d2326b8d5174d130f52f38e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fdc74e3d6372ff73748442862f01fbd48a9aa21cd7232e2d8210a369b6b08c05
[INFO] running `Command { std: "docker" "start" "-a" "fdc74e3d6372ff73748442862f01fbd48a9aa21cd7232e2d8210a369b6b08c05", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking sharded-slab v0.0.8
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking quanta v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking hdrhistogram v7.0.0
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking tracing-serde v0.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.0
[INFO] [stderr]  Documenting tracing-timing v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[Builder::default]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/builder.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// [`Builder::default`]:
[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: `[Builder::default]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/builder.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// [`Builder::default`]:
[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: `[build]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/builder.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |     /// This is equivalent to [`build`], except that the passed function is also told which
[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: `[layer]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/builder.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |     /// This is equivalent to [`layer`], except that the passed function is also told which
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.70s
[INFO] running `Command { std: "docker" "inspect" "fdc74e3d6372ff73748442862f01fbd48a9aa21cd7232e2d8210a369b6b08c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc74e3d6372ff73748442862f01fbd48a9aa21cd7232e2d8210a369b6b08c05", kill_on_drop: false }`
[INFO] [stdout] fdc74e3d6372ff73748442862f01fbd48a9aa21cd7232e2d8210a369b6b08c05