[INFO] crate v_latexescape 0.6.0 is already in cache
[INFO] documenting v_latexescape-0.6.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate v_latexescape 0.6.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate v_latexescape 0.6.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v_latexescape 0.6.0
[INFO] finished tweaking crates.io crate v_latexescape 0.6.0
[INFO] tweaked toml for crates.io crate v_latexescape 0.6.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36133b274909ea27e295f4d6da92e5b4e798987a2020d7dc73eecf16a51ff24f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36133b274909ea27e295f4d6da92e5b4e798987a2020d7dc73eecf16a51ff24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36133b274909ea27e295f4d6da92e5b4e798987a2020d7dc73eecf16a51ff24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36133b274909ea27e295f4d6da92e5b4e798987a2020d7dc73eecf16a51ff24f", kill_on_drop: false }`
[INFO] [stdout] 36133b274909ea27e295f4d6da92e5b4e798987a2020d7dc73eecf16a51ff24f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17bf3b2319da73400f73cfb7030e67c008595073b4ca9d3a0fa83f8a62d5a54b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17bf3b2319da73400f73cfb7030e67c008595073b4ca9d3a0fa83f8a62d5a54b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling v_latexescape v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling v_escape_derive v0.7.1
[INFO] [stderr]     Checking v_escape v0.9.4
[INFO] [stderr]  Documenting v_latexescape v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         new_escape!(
[INFO] [stdout] 29 | |             LateXEscape,
[INFO] [stdout] 30 | |             "35->\\# || 36->\\$ || 37->\\% || 38->\\& || 92->\\textbackslash{} || \
[INFO] [stdout] 31 | |             94->\\textasciicircum{} || 95->\\_ || 123->\\{ || 125->\\} || 126->\\textasciitilde{}",
[INFO] [stdout] 32 | |             ranges = true, simd = true, avx = true
[INFO] [stdout] 33 | |         );
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: invalid attribute 'Some(Ident { ident: "ranges", span: #0 bytes(0..0) })'
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `v_latexescape`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name v_latexescape src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4cb4e0a215a79e72.rmeta --extern v_escape=/opt/rustwide/target/debug/deps/libv_escape-2c2294122da7ea4c.rmeta --cap-lints=forbid --cfg v_latexescape_simd --cfg v_latexescape_sse --cfg v_latexescape_avx` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "17bf3b2319da73400f73cfb7030e67c008595073b4ca9d3a0fa83f8a62d5a54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bf3b2319da73400f73cfb7030e67c008595073b4ca9d3a0fa83f8a62d5a54b", kill_on_drop: false }`
[INFO] [stdout] 17bf3b2319da73400f73cfb7030e67c008595073b4ca9d3a0fa83f8a62d5a54b