[INFO] fetching crate spawn-task-port 0.1.1...
[INFO] documenting spawn-task-port-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate spawn-task-port 0.1.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate spawn-task-port 0.1.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spawn-task-port 0.1.1
[INFO] finished tweaking crates.io crate spawn-task-port 0.1.1
[INFO] tweaked toml for crates.io crate spawn-task-port 0.1.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09332d409b2a75bf6ed1b62c7ea3dfac575eecfaa3dfce0f3ba11472d170b8de
[INFO] running `Command { std: "docker" "start" "-a" "09332d409b2a75bf6ed1b62c7ea3dfac575eecfaa3dfce0f3ba11472d170b8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09332d409b2a75bf6ed1b62c7ea3dfac575eecfaa3dfce0f3ba11472d170b8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09332d409b2a75bf6ed1b62c7ea3dfac575eecfaa3dfce0f3ba11472d170b8de", kill_on_drop: false }`
[INFO] [stdout] 09332d409b2a75bf6ed1b62c7ea3dfac575eecfaa3dfce0f3ba11472d170b8de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143f8eaedafb0e65b919d90f5470f45805e8d781a586e42faacd8471585a6db8
[INFO] running `Command { std: "docker" "start" "-a" "143f8eaedafb0e65b919d90f5470f45805e8d781a586e42faacd8471585a6db8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mach v0.1.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking spawn-task-port v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting spawn-task-port v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/lib.rs:92:46
[INFO] [stdout]    |
[INFO] [stdout] 92 |             let mut port: mach_port_t = mem::uninitialized();
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut bootstrap_port = mem::uninitialized();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:119:64
[INFO] [stdout]     |
[INFO] [stdout] 119 |                     let mut bootstrap_port: mach_port_t = mem::uninitialized();
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:124:61
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     let mut parent_port: mach_port_t = mem::uninitialized();
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:149:45
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let mut msg: RecvMessage = mem::uninitialized();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]    --> src/lib.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let child = self.before_exec(move || {
[INFO] [stdout]     |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "143f8eaedafb0e65b919d90f5470f45805e8d781a586e42faacd8471585a6db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143f8eaedafb0e65b919d90f5470f45805e8d781a586e42faacd8471585a6db8", kill_on_drop: false }`
[INFO] [stdout] 143f8eaedafb0e65b919d90f5470f45805e8d781a586e42faacd8471585a6db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e25dd783d5cad64864440a064dadb8768b19a93f089ab83964055bd7f700beb1
[INFO] running `Command { std: "docker" "start" "-a" "e25dd783d5cad64864440a064dadb8768b19a93f089ab83964055bd7f700beb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mach v0.1.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]  Documenting spawn-task-port v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "e25dd783d5cad64864440a064dadb8768b19a93f089ab83964055bd7f700beb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25dd783d5cad64864440a064dadb8768b19a93f089ab83964055bd7f700beb1", kill_on_drop: false }`
[INFO] [stdout] e25dd783d5cad64864440a064dadb8768b19a93f089ab83964055bd7f700beb1