[INFO] cloning repository https://github.com/JavaDerg/failtoparse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JavaDerg/failtoparse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavaDerg%2Ffailtoparse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavaDerg%2Ffailtoparse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9269e66c5060d0d88afcf7daf9561ea6a7f39f37
[INFO] documenting JavaDerg/failtoparse against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavaDerg%2Ffailtoparse" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JavaDerg/failtoparse on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JavaDerg/failtoparse
[INFO] finished tweaking git repo https://github.com/JavaDerg/failtoparse
[INFO] tweaked toml for git repo https://github.com/JavaDerg/failtoparse written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JavaDerg/failtoparse 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ef54a31d3588797c408e6d34daf5d0c7f14dbe31aa1b1a1ca8c8852047e7d08
[INFO] running `Command { std: "docker" "start" "-a" "0ef54a31d3588797c408e6d34daf5d0c7f14dbe31aa1b1a1ca8c8852047e7d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef54a31d3588797c408e6d34daf5d0c7f14dbe31aa1b1a1ca8c8852047e7d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef54a31d3588797c408e6d34daf5d0c7f14dbe31aa1b1a1ca8c8852047e7d08", kill_on_drop: false }`
[INFO] [stdout] 0ef54a31d3588797c408e6d34daf5d0c7f14dbe31aa1b1a1ca8c8852047e7d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 571803bcc58f2e3d54594e361e744b5d1849683300e34c249089603034c72cf3
[INFO] running `Command { std: "docker" "start" "-a" "571803bcc58f2e3d54594e361e744b5d1849683300e34c249089603034c72cf3", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]  Documenting failtoparse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(box Node::Numeric(0.0), box right)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(Box::new(Node::Numeric(0.0)), box right)
[INFO] [stdout]     |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:161:59
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(box Node::Numeric(0.0), box right)
[INFO] [stdout]     |                                                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(box Node::Numeric(0.0), Box::new(right))
[INFO] [stdout]     |                                                           ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     box move |b: Node| content(f, a, b)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Box::new(move |b: Node| content(f, a, b))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:239:7
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(box a, box b)
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(Box::new(a), box b)
[INFO] [stdout]     |       ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(box a, box b)
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(box a, Box::new(b))
[INFO] [stdout]     |              ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `failtoparse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name failtoparse src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=2c2a9b18674f6618 -L dependency=/opt/rustwide/target/debug/deps --extern color_eyre=/opt/rustwide/target/debug/deps/libcolor_eyre-8a4cbe2d9de4781d.rmeta --extern eyre=/opt/rustwide/target/debug/deps/libeyre-23c84b9490d0b11a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fa7494bc3ae37071.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-3330363668e8eb0e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "571803bcc58f2e3d54594e361e744b5d1849683300e34c249089603034c72cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571803bcc58f2e3d54594e361e744b5d1849683300e34c249089603034c72cf3", kill_on_drop: false }`
[INFO] [stdout] 571803bcc58f2e3d54594e361e744b5d1849683300e34c249089603034c72cf3
[INFO] documenting JavaDerg/failtoparse against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJavaDerg%2Ffailtoparse" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JavaDerg/failtoparse on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JavaDerg/failtoparse
[INFO] finished tweaking git repo https://github.com/JavaDerg/failtoparse
[INFO] tweaked toml for git repo https://github.com/JavaDerg/failtoparse written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JavaDerg/failtoparse 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4323a4f020dfe39260a25ac6ec9438f95b953b95e1a036c3d674fc34ea4a25b5
[INFO] running `Command { std: "docker" "start" "-a" "4323a4f020dfe39260a25ac6ec9438f95b953b95e1a036c3d674fc34ea4a25b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4323a4f020dfe39260a25ac6ec9438f95b953b95e1a036c3d674fc34ea4a25b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4323a4f020dfe39260a25ac6ec9438f95b953b95e1a036c3d674fc34ea4a25b5", kill_on_drop: false }`
[INFO] [stdout] 4323a4f020dfe39260a25ac6ec9438f95b953b95e1a036c3d674fc34ea4a25b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c790a381ad62fd445dd4954f0a7c15f58942b979ef89adf76c220dd68627a2f
[INFO] running `Command { std: "docker" "start" "-a" "5c790a381ad62fd445dd4954f0a7c15f58942b979ef89adf76c220dd68627a2f", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-eyre v0.6.1
[INFO] [stderr]  Documenting failtoparse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(box Node::Numeric(0.0), box right)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(Box::new(Node::Numeric(0.0)), box right)
[INFO] [stdout]     |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:161:59
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(box Node::Numeric(0.0), box right)
[INFO] [stdout]     |                                                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 161 |                         Node::Sub(box Node::Numeric(0.0), Box::new(right))
[INFO] [stdout]     |                                                           ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     box move |b: Node| content(f, a, b)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 232 |     Box::new(move |b: Node| content(f, a, b))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:239:7
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(box a, box b)
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(Box::new(a), box b)
[INFO] [stdout]     |       ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/main.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(box a, box b)
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 239 |     f(box a, Box::new(b))
[INFO] [stdout]     |              ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `failtoparse`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name failtoparse src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=efb764d0defc6eff -L dependency=/opt/rustwide/target/debug/deps --extern color_eyre=/opt/rustwide/target/debug/deps/libcolor_eyre-c90180e8db2cb7de.rmeta --extern eyre=/opt/rustwide/target/debug/deps/libeyre-17f9e24e6da7cee4.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-ab06a5194721266a.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-f31d553a01ca1d69.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c790a381ad62fd445dd4954f0a7c15f58942b979ef89adf76c220dd68627a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c790a381ad62fd445dd4954f0a7c15f58942b979ef89adf76c220dd68627a2f", kill_on_drop: false }`
[INFO] [stdout] 5c790a381ad62fd445dd4954f0a7c15f58942b979ef89adf76c220dd68627a2f
