[INFO] fetching crate event 0.2.1...
[INFO] documenting event-0.2.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate event 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate event 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event 0.2.1
[INFO] finished tweaking crates.io crate event 0.2.1
[INFO] tweaked toml for crates.io crate event 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.48.5
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded mio v0.8.10
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.5
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.5
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca022e80e874db2375f3102525410ee50f5f6e3d95b0f1be6ea5acdba9f694f
[INFO] running `Command { std: "docker" "start" "-a" "bca022e80e874db2375f3102525410ee50f5f6e3d95b0f1be6ea5acdba9f694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca022e80e874db2375f3102525410ee50f5f6e3d95b0f1be6ea5acdba9f694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca022e80e874db2375f3102525410ee50f5f6e3d95b0f1be6ea5acdba9f694f", kill_on_drop: false }`
[INFO] [stdout] bca022e80e874db2375f3102525410ee50f5f6e3d95b0f1be6ea5acdba9f694f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 232a8e4395b389607ead292f271109caec66fca3a182c26325b2c9afd3db52fb
[INFO] running `Command { std: "docker" "start" "-a" "232a8e4395b389607ead292f271109caec66fca3a182c26325b2c9afd3db52fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]  Documenting event v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = events.send(Registration::new(box handler));
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = events.send(Registration::new(Box::new(handler)));
[INFO] [stdout]    |                                               ~~~~~~~~~~~~~~~~~
[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] [stderr] error: could not document `event`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name event src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f51e898624fc4c7e -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-c2b9fe8f0bb60ac5.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-0ac3060da5ef3e7d.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "232a8e4395b389607ead292f271109caec66fca3a182c26325b2c9afd3db52fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232a8e4395b389607ead292f271109caec66fca3a182c26325b2c9afd3db52fb", kill_on_drop: false }`
[INFO] [stdout] 232a8e4395b389607ead292f271109caec66fca3a182c26325b2c9afd3db52fb
[INFO] documenting event-0.2.1 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate event 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate event 0.2.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event 0.2.1
[INFO] finished tweaking crates.io crate event 0.2.1
[INFO] tweaked toml for crates.io crate event 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c35874f3bd52e5adbe4c1f521e937c5f93a64a35f03e6b248012a6c623d4eaa0
[INFO] running `Command { std: "docker" "start" "-a" "c35874f3bd52e5adbe4c1f521e937c5f93a64a35f03e6b248012a6c623d4eaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c35874f3bd52e5adbe4c1f521e937c5f93a64a35f03e6b248012a6c623d4eaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35874f3bd52e5adbe4c1f521e937c5f93a64a35f03e6b248012a6c623d4eaa0", kill_on_drop: false }`
[INFO] [stdout] c35874f3bd52e5adbe4c1f521e937c5f93a64a35f03e6b248012a6c623d4eaa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 335277d051b076e00de17749c3d1e9f177c030618a953b98109a1d8d2c74f1c8
[INFO] running `Command { std: "docker" "start" "-a" "335277d051b076e00de17749c3d1e9f177c030618a953b98109a1d8d2c74f1c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]  Documenting event v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = events.send(Registration::new(box handler));
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = events.send(Registration::new(Box::new(handler)));
[INFO] [stdout]    |                                               ~~~~~~~~~~~~~~~~~
[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] [stderr] error: could not document `event`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name event src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9809808ebd034e8a -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-253dd6813867a002.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-06a6a457b9feff7f.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "335277d051b076e00de17749c3d1e9f177c030618a953b98109a1d8d2c74f1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "335277d051b076e00de17749c3d1e9f177c030618a953b98109a1d8d2c74f1c8", kill_on_drop: false }`
[INFO] [stdout] 335277d051b076e00de17749c3d1e9f177c030618a953b98109a1d8d2c74f1c8
