[INFO] cloning repository https://github.com/jhessin/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhessin/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 397b7bd83e6113231faf031cd9044b859b62a79a
[INFO] documenting jhessin/rust-playground against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-playground" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jhessin/rust-playground 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 git repo https://github.com/jhessin/rust-playground
[INFO] finished tweaking git repo https://github.com/jhessin/rust-playground
[INFO] tweaked toml for git repo https://github.com/jhessin/rust-playground written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jhessin/rust-playground 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-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d69cd78b66c3638aaa41e78f25eab2ce49f8f2e8dbd2b8ee783e86babf96de98
[INFO] running `Command { std: "docker" "start" "-a" "d69cd78b66c3638aaa41e78f25eab2ce49f8f2e8dbd2b8ee783e86babf96de98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69cd78b66c3638aaa41e78f25eab2ce49f8f2e8dbd2b8ee783e86babf96de98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69cd78b66c3638aaa41e78f25eab2ce49f8f2e8dbd2b8ee783e86babf96de98", kill_on_drop: false }`
[INFO] [stdout] d69cd78b66c3638aaa41e78f25eab2ce49f8f2e8dbd2b8ee783e86babf96de98
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] cf8e7f33ea929fd911ded46d9116c78e3d36ded357b5ac54cb36dfb02d5aa44b
[INFO] running `Command { std: "docker" "start" "-a" "cf8e7f33ea929fd911ded46d9116c78e3d36ded357b5ac54cb36dfb02d5aa44b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]     Checking blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]  Documenting ch19-2 v0.1.0 (/opt/rustwide/workdir/ch19-2)
[INFO] [stderr]  Documenting smart-ptrs v0.1.0 (/opt/rustwide/workdir/smart-ptrs)
[INFO] [stderr]  Documenting custom-smart-ptr v0.1.0 (/opt/rustwide/workdir/custom-smart-ptr)
[INFO] [stderr]  Documenting ch18-1 v0.1.0 (/opt/rustwide/workdir/ch18-1)
[INFO] [stderr]  Documenting ch17-3 v0.1.0 (/opt/rustwide/workdir/ch17-3)
[INFO] [stderr]  Documenting hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]  Documenting ch19-3 v0.1.0 (/opt/rustwide/workdir/ch19-3)
[INFO] [stdout] warning: unresolved link to `E0597`
[INFO] [stdout]    --> ch19-2/src/main.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |     ///error[E0597]: borrowed value does not live long enough
[INFO] [stdout]     |              ^^^^^ no item named `E0597` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `E0597`
[INFO] [stdout]    --> ch19-2/src/main.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |     ///error[E0597]: `context` does not live long enough
[INFO] [stdout]     |              ^^^^^ no item named `E0597` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `E0491`
[INFO] [stdout]    --> ch19-2/src/main.rs:251:14
[INFO] [stdout]     |
[INFO] [stdout] 251 |     ///error[E0491]: in type `&'c Context<'s>`, reference has a longer lifetime
[INFO] [stdout]     |              ^^^^^ no item named `E0491` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `E0309`
[INFO] [stdout]    --> ch19-2/src/main.rs:348:14
[INFO] [stdout]     |
[INFO] [stdout] 348 |     ///error[E0309]: the parameter type `T` may not live long enough
[INFO] [stdout]     |              ^^^^^ no item named `E0309` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> ch19-2/src/main.rs:368:12
[INFO] [stdout]     |
[INFO] [stdout] 368 |       ///    Fortunately, the error provides helpful advice on how to specify the
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 369 | |     ///     lifetime bound in this case:
[INFO] [stdout] 370 | |     ///
[INFO] [stdout] 371 | |     ///    consider adding an explicit lifetime bound `T: 'a` so that the
[INFO] [stdout] 372 | |     /// reference
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `T`
[INFO] [stdout]    --> ch19-2/src/main.rs:329:20
[INFO] [stdout]     |
[INFO] [stdout] 329 |     /// the RefCell<T> type from the “RefCell<T> and the Interior Mutability
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 329 |     /// the `RefCell<T>` type from the “RefCell<T> and the Interior Mutability
[INFO] [stdout]     |             +          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `T`
[INFO] [stdout]    --> ch19-2/src/main.rs:329:46
[INFO] [stdout]     |
[INFO] [stdout] 329 |     /// the RefCell<T> type from the “RefCell<T> and the Interior Mutability
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]     |
[INFO] [stdout] 329 |     /// the RefCell<T> type from the “`RefCell<T>` and the Interior Mutability
[INFO] [stdout]     |                                       +          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `dyn`
[INFO] [stdout]    --> ch19-2/src/main.rs:428:68
[INFO] [stdout]     |
[INFO] [stdout] 428 |     ///     want to use an instance of Ball as the trait object Box<dyn Red>.
[INFO] [stdout]     |                                                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting ch16-2-messages v0.1.0 (/opt/rustwide/workdir/ch16-2-messages)
[INFO] [stderr]  Documenting ch19-4 v0.1.0 (/opt/rustwide/workdir/ch19-4)
[INFO] [stderr]  Documenting blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]  Documenting ch19-1 v0.1.0 (/opt/rustwide/workdir/ch19-1)
[INFO] [stderr]  Documenting ch18-2 v0.1.0 (/opt/rustwide/workdir/ch18-2)
[INFO] [stderr]  Documenting ch15-4 v0.1.0 (/opt/rustwide/workdir/ch15-4)
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]  Documenting ch17-2 v0.1.0 (/opt/rustwide/workdir/ch17-2)
[INFO] [stderr]  Documenting ch16-3-mutex v0.1.0 (/opt/rustwide/workdir/ch16-3-mutex)
[INFO] [stderr]  Documenting ch18-3 v0.1.0 (/opt/rustwide/workdir/ch18-3)
[INFO] [stderr]  Documenting ch15-5 v0.1.0 (/opt/rustwide/workdir/ch15-5)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> ch18-3/src/main.rs:157:10
[INFO] [stdout]     |
[INFO] [stdout] 157 |         1...5 => println!("one through five"),
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> ch18-3/src/main.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |         'a'...'j' => println!(
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> ch18-3/src/main.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |         'k'...'z' => println!(
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]     --> ch18-3/src/main.rs:1012:36
[INFO] [stdout]      |
[INFO] [stdout] 1012 |                 id: id_variable @ 3...7,
[INFO] [stdout]      |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]     --> ch18-3/src/main.rs:1018:36
[INFO] [stdout]      |
[INFO] [stdout] 1018 |             Message::Hello { id: 10...12 } => println!(
[INFO] [stdout]      |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]      |
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting ch15-6 v0.1.0 (/opt/rustwide/workdir/ch15-6)
[INFO] [stderr]  Documenting ch16-1-threads v0.1.0 (/opt/rustwide/workdir/ch16-1-threads)
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro_derive)
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro_derive)
[INFO] [stderr]  Documenting ch19-6 v0.1.0 (/opt/rustwide/workdir/ch19-6)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cf8e7f33ea929fd911ded46d9116c78e3d36ded357b5ac54cb36dfb02d5aa44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8e7f33ea929fd911ded46d9116c78e3d36ded357b5ac54cb36dfb02d5aa44b", kill_on_drop: false }`
[INFO] [stdout] cf8e7f33ea929fd911ded46d9116c78e3d36ded357b5ac54cb36dfb02d5aa44b
[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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 674a4e1a731e1504a7de2af0345faad10daadbd5b6e90e985936a601109c9a86
[INFO] running `Command { std: "docker" "start" "-a" "674a4e1a731e1504a7de2af0345faad10daadbd5b6e90e985936a601109c9a86", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "674a4e1a731e1504a7de2af0345faad10daadbd5b6e90e985936a601109c9a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674a4e1a731e1504a7de2af0345faad10daadbd5b6e90e985936a601109c9a86", kill_on_drop: false }`
[INFO] [stdout] 674a4e1a731e1504a7de2af0345faad10daadbd5b6e90e985936a601109c9a86
