Nov 28 09:45:25.574 INFO documenting rustc-ap-syntax-297.0.0 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 09:45:25.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-7/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 09:45:26.063 INFO [stdout] 4d300dd24864f71055827fd5dfc335c50f4ca8be78be68dec2500bbfd0d4750b
Nov 28 09:45:26.069 INFO running `"docker" "start" "-a" "4d300dd24864f71055827fd5dfc335c50f4ca8be78be68dec2500bbfd0d4750b"`
Nov 28 09:45:27.212 INFO [stderr] usermod: no changes
Nov 28 09:45:27.538 INFO [stderr]    Compiling rustc-rayon-core v0.1.1
Nov 28 09:45:27.538 INFO [stderr]     Checking rustc-ap-graphviz v297.0.0
Nov 28 09:45:27.541 INFO [stderr]     Checking scoped-tls v0.1.2
Nov 28 09:45:27.541 INFO [stderr]    Compiling rustc-ap-rustc_target v297.0.0
Nov 28 09:45:27.541 INFO [stderr]    Compiling rustc-ap-syntax v297.0.0 (/source)
Nov 28 09:45:27.547 INFO [stderr]     Checking rustc-ap-rustc_cratesio_shim v297.0.0
Nov 28 09:45:27.547 INFO [stderr]     Checking ena v0.9.3
Nov 28 09:45:27.547 INFO [stderr]     Checking smallvec v0.6.6
Nov 28 09:45:28.971 INFO [stderr]     Checking lock_api v0.1.5
Nov 28 09:45:29.117 INFO [stderr]    Compiling parking_lot_core v0.3.1
Nov 28 09:45:30.275 INFO [stderr]     Checking rustc-ap-serialize v297.0.0
Nov 28 09:45:30.275 INFO [stderr]     Checking parking_lot_core v0.2.14
Nov 28 09:45:32.288 INFO [stderr]     Checking rustc-rayon v0.1.1
Nov 28 09:45:33.431 INFO [stderr]     Checking parking_lot v0.6.4
Nov 28 09:45:37.388 INFO [stderr]     Checking rustc-ap-rustc_data_structures v297.0.0
Nov 28 09:45:41.083 INFO [stderr]     Checking rustc-ap-arena v297.0.0
Nov 28 09:45:43.513 INFO [stderr]     Checking rustc-ap-syntax_pos v297.0.0
Nov 28 09:45:46.707 INFO [stderr]     Checking rustc-ap-rustc_errors v297.0.0
Nov 28 09:45:49.651 INFO [stderr]  Documenting rustc-ap-syntax v297.0.0 (/source)
Nov 28 09:45:56.919 INFO [stderr] warning: `[stable]` cannot be resolved, ignoring it...
Nov 28 09:45:56.919 INFO [stderr]    --> attr/builtin.rs:121:22
Nov 28 09:45:56.919 INFO [stderr]     |
Nov 28 09:45:56.919 INFO [stderr] 121 | /// Represents the #[stable], #[unstable], #[rustc_{deprecated,const_unstable}] attributes.
Nov 28 09:45:56.919 INFO [stderr]     |                      ^^^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.919 INFO [stderr]     |
Nov 28 09:45:56.920 INFO [stderr]     = note: #[warn(intra_doc_link_resolution_failure)] on by default
Nov 28 09:45:56.920 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.920 INFO [stderr] 
Nov 28 09:45:56.920 INFO [stderr] warning: `[unstable]` cannot be resolved, ignoring it...
Nov 28 09:45:56.920 INFO [stderr]    --> attr/builtin.rs:121:33
Nov 28 09:45:56.920 INFO [stderr]     |
Nov 28 09:45:56.920 INFO [stderr] 121 | /// Represents the #[stable], #[unstable], #[rustc_{deprecated,const_unstable}] attributes.
Nov 28 09:45:56.920 INFO [stderr]     |                                 ^^^^^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.920 INFO [stderr]     |
Nov 28 09:45:56.920 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.920 INFO [stderr] 
Nov 28 09:45:56.920 INFO [stderr] warning: `[stable]` cannot be resolved, ignoring it...
Nov 28 09:45:56.920 INFO [stderr]    --> attr/builtin.rs:121:22
Nov 28 09:45:56.920 INFO [stderr]     |
Nov 28 09:45:56.920 INFO [stderr] 121 | /// Represents the #[stable], #[unstable], #[rustc_{deprecated,const_unstable}] attributes.
Nov 28 09:45:56.920 INFO [stderr]     |                      ^^^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.920 INFO [stderr]     |
Nov 28 09:45:56.920 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.920 INFO [stderr] 
Nov 28 09:45:56.922 INFO [stderr] warning: `[unstable]` cannot be resolved, ignoring it...
Nov 28 09:45:56.922 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax_pos-297.0.0/hygiene.rs:557:47
Nov 28 09:45:56.922 INFO [stderr]     |
Nov 28 09:45:56.922 INFO [stderr] 557 |     /// Whether the macro is allowed to use #[unstable]/feature-gated
Nov 28 09:45:56.922 INFO [stderr]     |                                               ^^^^^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.922 INFO [stderr]     |
Nov 28 09:45:56.922 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.922 INFO [stderr] 
Nov 28 09:45:56.922 INFO [stderr] warning: `[cfgspec]` cannot be resolved, ignoring it...
Nov 28 09:45:56.922 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax_pos-297.0.0/lib.rs:100:36
Nov 28 09:45:56.922 INFO [stderr]     |
Nov 28 09:45:56.922 INFO [stderr] 100 |     /// Strings provided as --cfg [cfgspec] stored in a crate_cfg
Nov 28 09:45:56.922 INFO [stderr]     |                                    ^^^^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.922 INFO [stderr]     |
Nov 28 09:45:56.922 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.922 INFO [stderr] 
Nov 28 09:45:56.922 INFO [stderr] warning: `[unstable]` cannot be resolved, ignoring it...
Nov 28 09:45:56.922 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-syntax_pos-297.0.0/lib.rs:343:61
Nov 28 09:45:56.922 INFO [stderr]     |
Nov 28 09:45:56.922 INFO [stderr] 343 |     /// Check if a span is "internal" to a macro in which #[unstable]
Nov 28 09:45:56.923 INFO [stderr]     |                                                             ^^^^^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.923 INFO [stderr]     |
Nov 28 09:45:56.923 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.923 INFO [stderr] 
Nov 28 09:45:56.926 INFO [stderr] warning: `[4]` cannot be resolved, ignoring it...
Nov 28 09:45:56.926 INFO [stderr]     --> parse/parser.rs:2677:33
Nov 28 09:45:56.926 INFO [stderr]      |
Nov 28 09:45:56.926 INFO [stderr] 2677 |     /// parse a.b or a(13) or a[4] or just a
Nov 28 09:45:56.926 INFO [stderr]      |                                 ^ cannot be resolved, ignoring
Nov 28 09:45:56.926 INFO [stderr]      |
Nov 28 09:45:56.926 INFO [stderr]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.926 INFO [stderr] 
Nov 28 09:45:56.948 INFO [stderr] warning: `[::]` cannot be resolved, ignoring it...
Nov 28 09:45:56.948 INFO [stderr]     --> parse/parser.rs:7636:21
Nov 28 09:45:56.948 INFO [stderr]      |
Nov 28 09:45:56.948 INFO [stderr] 7636 |     /// USE_TREE = [`::`] `*` |
Nov 28 09:45:56.948 INFO [stderr]      |                     ^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.948 INFO [stderr]      |
Nov 28 09:45:56.948 INFO [stderr]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.948 INFO [stderr] 
Nov 28 09:45:56.960 INFO [stderr] warning: `[::]` cannot be resolved, ignoring it...
Nov 28 09:45:56.960 INFO [stderr]     --> parse/parser.rs:7637:21
Nov 28 09:45:56.960 INFO [stderr]      |
Nov 28 09:45:56.960 INFO [stderr] 7637 |     ///            [`::`] `{` USE_TREE_LIST `}` |
Nov 28 09:45:56.960 INFO [stderr]      |                     ^^^^ cannot be resolved, ignoring
Nov 28 09:45:56.960 INFO [stderr]      |
Nov 28 09:45:56.960 INFO [stderr]      = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.960 INFO [stderr] 
Nov 28 09:45:56.963 INFO [stderr] warning: `[foo]` cannot be resolved, ignoring it...
Nov 28 09:45:56.963 INFO [stderr]    --> ext/base.rs:581:32
Nov 28 09:45:56.963 INFO [stderr]     |
Nov 28 09:45:56.963 INFO [stderr] 581 |     /// An attribute macro - #[foo]
Nov 28 09:45:56.963 INFO [stderr]     |                                ^^^ cannot be resolved, ignoring
Nov 28 09:45:56.963 INFO [stderr]     |
Nov 28 09:45:56.963 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.963 INFO [stderr] 
Nov 28 09:45:56.974 INFO [stderr] warning: `[chunks]` cannot be resolved, ignoring it...
Nov 28 09:45:56.974 INFO [stderr]     |
Nov 28 09:45:56.974 INFO [stderr]     = note: the link appears in this line:
Nov 28 09:45:56.974 INFO [stderr]             
Nov 28 09:45:56.974 INFO [stderr]              resulting code better than in the case of [`chunks`].
Nov 28 09:45:56.974 INFO [stderr]                                                         ^^^^^^^^
Nov 28 09:45:56.974 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.974 INFO [stderr] 
Nov 28 09:45:56.974 INFO [stderr] warning: `[chunks_mut]` cannot be resolved, ignoring it...
Nov 28 09:45:56.974 INFO [stderr]     |
Nov 28 09:45:56.974 INFO [stderr]     = note: the link appears in this line:
Nov 28 09:45:56.974 INFO [stderr]             
Nov 28 09:45:56.974 INFO [stderr]              resulting code better than in the case of [`chunks_mut`].
Nov 28 09:45:56.974 INFO [stderr]                                                         ^^^^^^^^^^^^
Nov 28 09:45:56.974 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 28 09:45:56.974 INFO [stderr] 
Nov 28 09:45:58.029 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.79s
Nov 28 09:45:58.045 INFO [stderr] su: No module specific data is present
Nov 28 09:45:58.353 INFO running `"docker" "inspect" "4d300dd24864f71055827fd5dfc335c50f4ca8be78be68dec2500bbfd0d4750b"`
Nov 28 09:45:58.544 INFO running `"docker" "rm" "-f" "4d300dd24864f71055827fd5dfc335c50f4ca8be78be68dec2500bbfd0d4750b"`
Nov 28 09:45:58.665 INFO [stdout] 4d300dd24864f71055827fd5dfc335c50f4ca8be78be68dec2500bbfd0d4750b