[INFO] fetching crate snailx 0.8.3...
[INFO] documenting snailx-0.8.3 against beta-2026-01-26 for beta-1.94-rustdoc-2
[INFO] extracting crate snailx 0.8.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate snailx 0.8.3
[INFO] finished tweaking crates.io crate snailx 0.8.3
[INFO] tweaked toml for crates.io crate snailx 0.8.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snailx 0.8.3 on toolchain beta-2026-01-26
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snailx 0.8.3 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-2026-01-26" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56d9f7f02647e0b8bc1410b8679791f0d1930417d13ed01cf25794bbffef0ec0
[INFO] running `Command { std: "docker" "start" "-a" "56d9f7f02647e0b8bc1410b8679791f0d1930417d13ed01cf25794bbffef0ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56d9f7f02647e0b8bc1410b8679791f0d1930417d13ed01cf25794bbffef0ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d9f7f02647e0b8bc1410b8679791f0d1930417d13ed01cf25794bbffef0ec0", kill_on_drop: false }`
[INFO] [stdout] 56d9f7f02647e0b8bc1410b8679791f0d1930417d13ed01cf25794bbffef0ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45352255de93897098f4463e67dd453a3d12a0422d05facc25ac2811578a4f5d
[INFO] running `Command { std: "docker" "start" "-a" "45352255de93897098f4463e67dd453a3d12a0422d05facc25ac2811578a4f5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling snailx v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting snailx v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `MappedArgs::osstr`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! - [`MappedArgs::osstr`] (with the `std` feature) yields `&'static std::ffi::OsStr`
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ the struct `MappedArgs` has no field or associated item named `osstr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `core::sync::atomic::Ordering::Relaxed`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/snailx-2e03a363a1ae0457/out/direct.rs:25:53
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// This atomic is always accessed with [`Relaxed`](core::sync::atomic::Ordering::Relaxed) ordering.
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `core` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `CStr::to_stdlib`
[INFO] [stdout]   --> src/ffi.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |     /// implemented version via [`to_stdlib`](CStr::to_stdlib).
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^ the struct `CStr` has no field or associated item named `to_stdlib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `offset_from`
[INFO] [stdout]   --> src/iter/mod.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     /// See [`<*const *const u8>::offset_from`].
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `offset_from` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/iter/args.rs:25:56
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// An iterator over program arguments as <code>[CStr](CStr)<'static></code>.
[INFO] [stdout]    |                                                  ----  ^^^^ explicit target is redundant
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout]    = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 25 - /// An iterator over program arguments as <code>[CStr](CStr)<'static></code>.
[INFO] [stdout] 25 + /// An iterator over program arguments as <code>[CStr]<'static></code>.
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/snailx/index.html
[INFO] running `Command { std: "docker" "inspect" "45352255de93897098f4463e67dd453a3d12a0422d05facc25ac2811578a4f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45352255de93897098f4463e67dd453a3d12a0422d05facc25ac2811578a4f5d", kill_on_drop: false }`
[INFO] [stdout] 45352255de93897098f4463e67dd453a3d12a0422d05facc25ac2811578a4f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "std to_core_cstr indexing_parser infallible_map rev_iter" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15aa5d74cc22d4c46567075a5985d2001e480080ee3ec6266a644a5e7ba1744b
[INFO] running `Command { std: "docker" "start" "-a" "15aa5d74cc22d4c46567075a5985d2001e480080ee3ec6266a644a5e7ba1744b", kill_on_drop: false }`
[INFO] [stderr]    Compiling snailx v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting snailx v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:406:20
[INFO] [stdout]     |
[INFO] [stdout] 406 |             return write!(f, "IndexingParser(unparsed)");
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         write!(f, ")")
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:394:25
[INFO] [stdout]     |
[INFO] [stdout] 394 |                         write!(f, "?flag?=\"{}\"", name)?;
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:391:25
[INFO] [stdout]     |
[INFO] [stdout] 391 |                         write!(f, "{}=", name)?;
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:388:41
[INFO] [stdout]     |
[INFO] [stdout] 388 |                 Ident::Positional(n) => write!(f, "{}={:?}", n, arg.opt())?,
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:387:34
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 Ident::__Prog => write!(f, "program={:?}", arg.opt())?,
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:383:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |                 write!(f, ", ")?;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         write!(f, "IndexingParser(")?;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `writeln` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         writeln!(f, ")")
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::writeln;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `writeln` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:368:25
[INFO] [stdout]     |
[INFO] [stdout] 368 |                         writeln!(f, "    ?Flag?: \"{}\"", name)?;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::writeln;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `writeln` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 |                         writeln!(f)?;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::writeln;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 |                         write!(f, "    ?Option?: \"{}\": ", name)?;
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `writeln` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:361:41
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 Ident::Positional(n) => writeln!(f, "    Positional #{}: {}", n, arg.opt())?,
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::writeln;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `writeln` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:360:34
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 Ident::__Prog => writeln!(f, "    Program executable: {}", arg.opt())?,
[INFO] [stdout]     |                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::writeln;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `writeln` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |         writeln!(f, "IndexingParser(")?;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::writeln;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         write!(f, "]")
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:350:25
[INFO] [stdout]     |
[INFO] [stdout] 350 |                 None => write!(f, "{:p}", p)?
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:349:28
[INFO] [stdout]     |
[INFO] [stdout] 349 |                 Some(s) => write!(f, "{:?}", s)?,
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:346:17
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 write!(f, ", ")?;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `write` in this scope
[INFO] [stdout]    --> src/parser/indexing.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         write!(f, "[")?;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::write;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `snailx`
[INFO] running `Command { std: "docker" "inspect" "15aa5d74cc22d4c46567075a5985d2001e480080ee3ec6266a644a5e7ba1744b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15aa5d74cc22d4c46567075a5985d2001e480080ee3ec6266a644a5e7ba1744b", kill_on_drop: false }`
[INFO] [stdout] 15aa5d74cc22d4c46567075a5985d2001e480080ee3ec6266a644a5e7ba1744b