[INFO] fetching crate guard 0.5.1...
[INFO] documenting guard-0.5.1 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate guard 0.5.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate guard 0.5.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guard 0.5.1
[INFO] finished tweaking crates.io crate guard 0.5.1
[INFO] tweaked toml for crates.io crate guard 0.5.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate guard 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 745d05040ccf25da1328eb848910a177395b061c57eb07e99a3f0a0aaa35fa1e
[INFO] running `Command { std: "docker" "start" "-a" "745d05040ccf25da1328eb848910a177395b061c57eb07e99a3f0a0aaa35fa1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745d05040ccf25da1328eb848910a177395b061c57eb07e99a3f0a0aaa35fa1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745d05040ccf25da1328eb848910a177395b061c57eb07e99a3f0a0aaa35fa1e", kill_on_drop: false }`
[INFO] [stdout] 745d05040ccf25da1328eb848910a177395b061c57eb07e99a3f0a0aaa35fa1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d68ce1676664741d601669bb359a09b63663c5f5a5cbf4cdd3a29a6ebea4af
[INFO] running `Command { std: "docker" "start" "-a" "37d68ce1676664741d601669bb359a09b63663c5f5a5cbf4cdd3a29a6ebea4af", kill_on_drop: false }`
[INFO] [stderr]  Documenting guard v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:426:20
[INFO] [stdout]     |
[INFO] [stdout] 426 |         let foo = (box 42, [1, 2, 3]);
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 426 |         let foo = (Box::new(42), [1, 2, 3]);
[INFO] [stdout]     |                    ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:430:29
[INFO] [stdout]     |
[INFO] [stdout] 430 |         let mut foo = Some((box 42, [1, 2, 3]));
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 430 |         let mut foo = Some((Box::new(42), [1, 2, 3]));
[INFO] [stdout]     |                             ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:446:20
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let foo = (box 42, [1, 2, 3]);
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let foo = (Box::new(42), [1, 2, 3]);
[INFO] [stdout]     |                    ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/lib.rs:451:20
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let foo = (box 42, [1, 2, 3]);
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let foo = (Box::new(42), [1, 2, 3]);
[INFO] [stdout]     |                    ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `guard`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name guard src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=82024bc7331a3be5 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.5.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "37d68ce1676664741d601669bb359a09b63663c5f5a5cbf4cdd3a29a6ebea4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d68ce1676664741d601669bb359a09b63663c5f5a5cbf4cdd3a29a6ebea4af", kill_on_drop: false }`
[INFO] [stdout] 37d68ce1676664741d601669bb359a09b63663c5f5a5cbf4cdd3a29a6ebea4af
