[INFO] fetching crate guard 0.5.1...
[INFO] documenting guard-0.5.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate guard 0.5.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate guard 0.5.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-tc1/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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9621230b873a06989305932f26bfea7bfaf7b7c6c21d44778d6b7ad0b03010a3
[INFO] running `Command { std: "docker" "start" "-a" "9621230b873a06989305932f26bfea7bfaf7b7c6c21d44778d6b7ad0b03010a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9621230b873a06989305932f26bfea7bfaf7b7c6c21d44778d6b7ad0b03010a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9621230b873a06989305932f26bfea7bfaf7b7c6c21d44778d6b7ad0b03010a3", kill_on_drop: false }`
[INFO] [stdout] 9621230b873a06989305932f26bfea7bfaf7b7c6c21d44778d6b7ad0b03010a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 113d0e0e0649b07dec6c0f4e8433c5814d1c2b12629cb4e7b8e1bfdb2e0f3deb
[INFO] running `Command { std: "docker" "start" "-a" "113d0e0e0649b07dec6c0f4e8433c5814d1c2b12629cb4e7b8e1bfdb2e0f3deb", kill_on_drop: false }`
[INFO] [stderr]  Documenting guard v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `guard_unwrap`
[INFO] [stdout]   --> src/guard_unwrap.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 | /// Here's an example of a failing match that causes [`guard_unwrap`] to panic.
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^ no item named `guard_unwrap` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `macro_rules` named `guard_unwrap` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "113d0e0e0649b07dec6c0f4e8433c5814d1c2b12629cb4e7b8e1bfdb2e0f3deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113d0e0e0649b07dec6c0f4e8433c5814d1c2b12629cb4e7b8e1bfdb2e0f3deb", kill_on_drop: false }`
[INFO] [stdout] 113d0e0e0649b07dec6c0f4e8433c5814d1c2b12629cb4e7b8e1bfdb2e0f3deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da5f70eff336ee16c1282579950e2a442eab508406383ebed5f2dfce4e5af25
[INFO] running `Command { std: "docker" "start" "-a" "4da5f70eff336ee16c1282579950e2a442eab508406383ebed5f2dfce4e5af25", kill_on_drop: false }`
[INFO] [stderr]  Documenting guard v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: box expression syntax is experimental; you can call `Box::new` instead
[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]     = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout]     = help: add `#![feature(box_syntax)]` to the crate attributes to enable
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `guard_unwrap`
[INFO] [stdout]   --> src/guard_unwrap.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 | /// Here's an example of a failing match that causes [`guard_unwrap`] to panic.
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^ no item named `guard_unwrap` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `macro_rules` named `guard_unwrap` exists in this crate, but it is not in scope at this link's location
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "4da5f70eff336ee16c1282579950e2a442eab508406383ebed5f2dfce4e5af25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da5f70eff336ee16c1282579950e2a442eab508406383ebed5f2dfce4e5af25", kill_on_drop: false }`
[INFO] [stdout] 4da5f70eff336ee16c1282579950e2a442eab508406383ebed5f2dfce4e5af25
