[INFO] fetching crate message_bus 0.1.0...
[INFO] documenting message_bus-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate message_bus 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate message_bus 0.1.0 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 message_bus 0.1.0
[INFO] finished tweaking crates.io crate message_bus 0.1.0
[INFO] tweaked toml for crates.io crate message_bus 0.1.0 written to /workspace/builds/worker-29/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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 3e94ac83eb7eb341282ba06a5ce47d9b56a8ad9a71bfebecb33209abd1e89556
[INFO] running `Command { std: "docker" "start" "-a" "3e94ac83eb7eb341282ba06a5ce47d9b56a8ad9a71bfebecb33209abd1e89556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e94ac83eb7eb341282ba06a5ce47d9b56a8ad9a71bfebecb33209abd1e89556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e94ac83eb7eb341282ba06a5ce47d9b56a8ad9a71bfebecb33209abd1e89556", kill_on_drop: false }`
[INFO] [stdout] 3e94ac83eb7eb341282ba06a5ce47d9b56a8ad9a71bfebecb33209abd1e89556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 710ca20a65098e5da5bb05d554db337b80347e5071814867720f15f2ee7dffc8
[INFO] running `Command { std: "docker" "start" "-a" "710ca20a65098e5da5bb05d554db337b80347e5071814867720f15f2ee7dffc8", kill_on_drop: false }`
[INFO] [stderr]  Documenting message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stdout]    |                                                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "710ca20a65098e5da5bb05d554db337b80347e5071814867720f15f2ee7dffc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710ca20a65098e5da5bb05d554db337b80347e5071814867720f15f2ee7dffc8", kill_on_drop: false }`
[INFO] [stdout] 710ca20a65098e5da5bb05d554db337b80347e5071814867720f15f2ee7dffc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 24e1c731c41637b9a130b24e30ec76d85e9391444c8a50a4afe875cbb46753e5
[INFO] running `Command { std: "docker" "start" "-a" "24e1c731c41637b9a130b24e30ec76d85e9391444c8a50a4afe875cbb46753e5", kill_on_drop: false }`
[INFO] [stderr]  Documenting message_bus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/message_bus.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |                         self.output_sender.send(v.message).unwrap();;
[INFO] [stdout]    |                                                                     ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "24e1c731c41637b9a130b24e30ec76d85e9391444c8a50a4afe875cbb46753e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e1c731c41637b9a130b24e30ec76d85e9391444c8a50a4afe875cbb46753e5", kill_on_drop: false }`
[INFO] [stdout] 24e1c731c41637b9a130b24e30ec76d85e9391444c8a50a4afe875cbb46753e5