[INFO] crate syntex_pos 0.59.1 is already in cache
[INFO] documenting syntex_pos-0.59.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate syntex_pos 0.59.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate syntex_pos 0.59.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntex_pos 0.59.1
[INFO] finished tweaking crates.io crate syntex_pos 0.59.1
[INFO] tweaked toml for crates.io crate syntex_pos 0.59.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5faa57036047f9087a135de435d663c7ea48980b522ea4dcc600e919c63ec194
[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" "5faa57036047f9087a135de435d663c7ea48980b522ea4dcc600e919c63ec194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5faa57036047f9087a135de435d663c7ea48980b522ea4dcc600e919c63ec194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5faa57036047f9087a135de435d663c7ea48980b522ea4dcc600e919c63ec194", kill_on_drop: false }`
[INFO] [stdout] 5faa57036047f9087a135de435d663c7ea48980b522ea4dcc600e919c63ec194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc525761326ccc187671941fb89a98b67debd6debe8df3d42c5f1ea45a16899d
[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" "dc525761326ccc187671941fb89a98b67debd6debe8df3d42c5f1ea45a16899d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]  Documenting syntex_pos v0.59.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:396:15
[INFO] [stdout]     |
[INFO] [stdout] 396 |             0 ... 0xFF => 1,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:20:9
[INFO] [stdout]     |
[INFO] [stdout] 20  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(ellipsis_inclusive_range_patterns)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:397:19
[INFO] [stdout]     |
[INFO] [stdout] 397 |             0x100 ... 0xFFFF => 2,
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/hygiene.rs:11:57
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! Machinery for hygienic macros, inspired by the MTWT[1] paper.
[INFO] [stdout]    |                                                         ^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(intra_doc_link_resolution_failure)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/hygiene.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | //! [1] Matthew Flatt, Ryan Culpepper, David Darais, and Robert Bruce Findler.
[INFO] [stdout]    |      ^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[unstable]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/hygiene.rs:318:47
[INFO] [stdout]     |
[INFO] [stdout] 318 |     /// Whether the macro is allowed to use #[unstable]/feature-gated
[INFO] [stdout]     |                                               ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[unstable]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:132:61
[INFO] [stdout]     |
[INFO] [stdout] 132 |     /// Check if a span is "internal" to a macro in which #[unstable]
[INFO] [stdout]     |                                                             ^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `syntex_pos`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name syntex_pos 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 serde=/opt/rustwide/target/debug/deps/libserde-8ae523b783554553.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-5f6624d84a6186f0.so --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "dc525761326ccc187671941fb89a98b67debd6debe8df3d42c5f1ea45a16899d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc525761326ccc187671941fb89a98b67debd6debe8df3d42c5f1ea45a16899d", kill_on_drop: false }`
[INFO] [stdout] dc525761326ccc187671941fb89a98b67debd6debe8df3d42c5f1ea45a16899d