[INFO] fetching crate fec 0.2.2...
[INFO] documenting fec-0.2.2 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] extracting crate fec 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fec 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fec 0.2.2
[INFO] tweaked toml for crates.io crate fec 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fec 0.2.2 on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fec 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6
[INFO] running `Command { std: "docker" "start" "a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting fec v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fec v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]  --> src/util.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / pub struct Rng {
[INFO] [stdout] 4 | |     state: u64,
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the way this is parsed might change in the future
[INFO] [stdout]   = help: starts near `A deterministic SplitMix64 RNG. Re-exported here because the public `sim``
[INFO] [stdout]   = help: ends near `harness, so a given seed always reproduces the same run.`
[INFO] [stdout]   = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]  --> src/util.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / pub struct Rng {
[INFO] [stdout] 4 | |     state: u64,
[INFO] [stdout] 5 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the way this is parsed might change in the future
[INFO] [stdout]   = help: starts near `A small deterministic SplitMix64 RNG. It seeds the noise in the `sim``
[INFO] [stdout]   = help: ends near `A small deterministic SplitMix64 RNG. It seeds the noise in the `sim``
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fec`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6", kill_on_drop: false }`
[INFO] [stdout] a98f9c27a4306e717c3a6d2e17491a33a10243e15de4284d3abf68a6c5ec21c6
