[INFO] fetching crate cstr_core 0.2.4...
[INFO] documenting cstr_core-0.2.4 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cstr_core 0.2.4 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate cstr_core 0.2.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cstr_core 0.2.4
[INFO] finished tweaking crates.io crate cstr_core 0.2.4
[INFO] tweaked toml for crates.io crate cstr_core 0.2.4 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f7a0dae01dc11eee777a48fee07ad677df3c063d8dea8ece3926f5a010d5f0d
[INFO] running `Command { std: "docker" "start" "-a" "8f7a0dae01dc11eee777a48fee07ad677df3c063d8dea8ece3926f5a010d5f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f7a0dae01dc11eee777a48fee07ad677df3c063d8dea8ece3926f5a010d5f0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7a0dae01dc11eee777a48fee07ad677df3c063d8dea8ece3926f5a010d5f0d", kill_on_drop: false }`
[INFO] [stdout] 8f7a0dae01dc11eee777a48fee07ad677df3c063d8dea8ece3926f5a010d5f0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fad26180677271db841279926cebb7c49128e893e45f27a38afa292836b524e0
[INFO] running `Command { std: "docker" "start" "-a" "fad26180677271db841279926cebb7c49128e893e45f27a38afa292836b524e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]  Documenting cstr_core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `str` is both a module and a builtin type
[INFO] [stdout]     --> src/lib.rs:1209:45
[INFO] [stdout]      |
[INFO] [stdout] 1209 |     /// Converts a `CStr` into a [`Cow`]`<`[`str`]`>`.
[INFO] [stdout]      |                                             ^^^^^ ambiguous link
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]      |
[INFO] [stdout] 1209 |     /// Converts a `CStr` into a [`Cow`]`<`[`mod@str`]`>`.
[INFO] [stdout]      |                                             ^^^^^^^^^
[INFO] [stdout] help: to link to the builtin type, prefix with `prim@`
[INFO] [stdout]      |
[INFO] [stdout] 1209 |     /// Converts a `CStr` into a [`Cow`]`<`[`prim@str`]`>`.
[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 3.66s
[INFO] running `Command { std: "docker" "inspect" "fad26180677271db841279926cebb7c49128e893e45f27a38afa292836b524e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad26180677271db841279926cebb7c49128e893e45f27a38afa292836b524e0", kill_on_drop: false }`
[INFO] [stdout] fad26180677271db841279926cebb7c49128e893e45f27a38afa292836b524e0
