[INFO] crate nom-trace 0.2.1 is already in cache
[INFO] documenting nom-trace-0.2.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate nom-trace 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nom-trace 0.2.1 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 nom-trace 0.2.1
[INFO] finished tweaking crates.io crate nom-trace 0.2.1
[INFO] tweaked toml for crates.io crate nom-trace 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate nom-trace 0.2.1 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-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" "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] db406fb1c2cdd81078a8da029a87b8191cccf377268c4336d8777cc1355df40a
[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" "db406fb1c2cdd81078a8da029a87b8191cccf377268c4336d8777cc1355df40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db406fb1c2cdd81078a8da029a87b8191cccf377268c4336d8777cc1355df40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db406fb1c2cdd81078a8da029a87b8191cccf377268c4336d8777cc1355df40a", kill_on_drop: false }`
[INFO] [stdout] db406fb1c2cdd81078a8da029a87b8191cccf377268c4336d8777cc1355df40a
[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" "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] fbf5165da7b06589a1dfdf1f525ea66672e08a6655e2b1557483243a3b747927
[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" "fbf5165da7b06589a1dfdf1f525ea66672e08a6655e2b1557483243a3b747927", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]  Documenting nom-trace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `tr` is both a function and a macro
[INFO] [stdout]    --> src/lib.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 | //! The [tr] function supports the same combinator design as introduced in nom 5.
[INFO] [stdout]     |          ^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout] help: to link to the function, add parentheses
[INFO] [stdout]     |
[INFO] [stdout] 117 | //! The [tr()] function supports the same combinator design as introduced in nom 5.
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]     |
[INFO] [stdout] 117 | //! The [tr!] function supports the same combinator design as introduced in nom 5.
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "fbf5165da7b06589a1dfdf1f525ea66672e08a6655e2b1557483243a3b747927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf5165da7b06589a1dfdf1f525ea66672e08a6655e2b1557483243a3b747927", kill_on_drop: false }`
[INFO] [stdout] fbf5165da7b06589a1dfdf1f525ea66672e08a6655e2b1557483243a3b747927