[INFO] fetching crate lnk 0.2.1...
[INFO] documenting lnk-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate lnk 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lnk 0.2.1 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 lnk 0.2.1
[INFO] finished tweaking crates.io crate lnk 0.2.1
[INFO] tweaked toml for crates.io crate lnk 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate lnk 0.2.1 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72915b1437ed9dda340b4e4fb5503f655f1ed99c4a3ebe656e579413ee89e87f
[INFO] running `Command { std: "docker" "start" "-a" "72915b1437ed9dda340b4e4fb5503f655f1ed99c4a3ebe656e579413ee89e87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72915b1437ed9dda340b4e4fb5503f655f1ed99c4a3ebe656e579413ee89e87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72915b1437ed9dda340b4e4fb5503f655f1ed99c4a3ebe656e579413ee89e87f", kill_on_drop: false }`
[INFO] [stdout] 72915b1437ed9dda340b4e4fb5503f655f1ed99c4a3ebe656e579413ee89e87f
[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] [stdout] f6c637deacf1cc57537276b3c4d57aee099bbd27dc5a5761c11361c373a718ff
[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" "f6c637deacf1cc57537276b3c4d57aee099bbd27dc5a5761c11361c373a718ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]  Documenting lnk v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[RFC5234]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/linktarget.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     /// structure conforms to the following ABNF [RFC5234]:
[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: `[RFC5234]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/linktarget.rs:13:51
[INFO] [stdout]    |
[INFO] [stdout] 13 |     /// structure conforms to the following ABNF [RFC5234]:
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.22s
[INFO] running `Command { std: "docker" "inspect" "f6c637deacf1cc57537276b3c4d57aee099bbd27dc5a5761c11361c373a718ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c637deacf1cc57537276b3c4d57aee099bbd27dc5a5761c11361c373a718ff", kill_on_drop: false }`
[INFO] [stdout] f6c637deacf1cc57537276b3c4d57aee099bbd27dc5a5761c11361c373a718ff