[INFO] fetching crate join 0.3.0...
[INFO] documenting join-0.3.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate join 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate join 0.3.0 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 join 0.3.0
[INFO] finished tweaking crates.io crate join 0.3.0
[INFO] tweaked toml for crates.io crate join 0.3.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5a7f527136276681fa0034b5e479c7431ed3ab9f901fc51d18f5d1cb53655d82
[INFO] running `Command { std: "docker" "start" "-a" "5a7f527136276681fa0034b5e479c7431ed3ab9f901fc51d18f5d1cb53655d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7f527136276681fa0034b5e479c7431ed3ab9f901fc51d18f5d1cb53655d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7f527136276681fa0034b5e479c7431ed3ab9f901fc51d18f5d1cb53655d82", kill_on_drop: false }`
[INFO] [stdout] 5a7f527136276681fa0034b5e479c7431ed3ab9f901fc51d18f5d1cb53655d82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f8a6fa534e983540b9685839adfa63ab74b6541ec52a17757204fe10e439b785
[INFO] running `Command { std: "docker" "start" "-a" "f8a6fa534e983540b9685839adfa63ab74b6541ec52a17757204fe10e439b785", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking join_impl v0.3.0
[INFO] [stderr]  Documenting join v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `LICENSE`
[INFO] [stdout]   --> src/lib.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 | //! [mit-url]: LICENSE
[INFO] [stdout]    |                ^^^^^^^ no item named `LICENSE` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.90s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8a6fa534e983540b9685839adfa63ab74b6541ec52a17757204fe10e439b785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a6fa534e983540b9685839adfa63ab74b6541ec52a17757204fe10e439b785", kill_on_drop: false }`
[INFO] [stdout] f8a6fa534e983540b9685839adfa63ab74b6541ec52a17757204fe10e439b785
