[INFO] fetching crate taskpipe 0.1.2...
[INFO] documenting taskpipe-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate taskpipe 0.1.2 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate taskpipe 0.1.2 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 taskpipe 0.1.2
[INFO] finished tweaking crates.io crate taskpipe 0.1.2
[INFO] tweaked toml for crates.io crate taskpipe 0.1.2 written to /workspace/builds/worker-36/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] 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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] ba0e44bd4d104b96e18c3aeaa1a674944bc9e796424a7eff421d0aa7f89beb16
[INFO] running `Command { std: "docker" "start" "-a" "ba0e44bd4d104b96e18c3aeaa1a674944bc9e796424a7eff421d0aa7f89beb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba0e44bd4d104b96e18c3aeaa1a674944bc9e796424a7eff421d0aa7f89beb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0e44bd4d104b96e18c3aeaa1a674944bc9e796424a7eff421d0aa7f89beb16", kill_on_drop: false }`
[INFO] [stdout] ba0e44bd4d104b96e18c3aeaa1a674944bc9e796424a7eff421d0aa7f89beb16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 6f42b6d618d1cf0fb4656449f54203dffb3b8df3db2bb8499f82527a13f4677d
[INFO] running `Command { std: "docker" "start" "-a" "6f42b6d618d1cf0fb4656449f54203dffb3b8df3db2bb8499f82527a13f4677d", kill_on_drop: false }`
[INFO] [stderr]  Documenting taskpipe v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::thread::JoinGuard`
[INFO] [stdout]  --> src/lib.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{Thread,JoinGuard};
[INFO] [stdout]   |                          ^^^^^^^^^ no `JoinGuard` in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `taskpipe`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name taskpipe src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=09fc2d824464f2d5 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6f42b6d618d1cf0fb4656449f54203dffb3b8df3db2bb8499f82527a13f4677d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f42b6d618d1cf0fb4656449f54203dffb3b8df3db2bb8499f82527a13f4677d", kill_on_drop: false }`
[INFO] [stdout] 6f42b6d618d1cf0fb4656449f54203dffb3b8df3db2bb8499f82527a13f4677d