[INFO] fetching crate encoding_literals 0.1.2...
[INFO] documenting encoding_literals-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate encoding_literals 0.1.2 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate encoding_literals 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate encoding_literals 0.1.2
[INFO] finished tweaking crates.io crate encoding_literals 0.1.2
[INFO] tweaked toml for crates.io crate encoding_literals 0.1.2 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a258d9c6553b55e9d27db9bf8452ac9e444f8455f7610fa991a4e824c32161b
[INFO] running `Command { std: "docker" "start" "-a" "4a258d9c6553b55e9d27db9bf8452ac9e444f8455f7610fa991a4e824c32161b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a258d9c6553b55e9d27db9bf8452ac9e444f8455f7610fa991a4e824c32161b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a258d9c6553b55e9d27db9bf8452ac9e444f8455f7610fa991a4e824c32161b", kill_on_drop: false }`
[INFO] [stdout] 4a258d9c6553b55e9d27db9bf8452ac9e444f8455f7610fa991a4e824c32161b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ca8470e15877b0dd83f1d4d633e66f6df7bbe1fab9e811e4e5df354af38c60
[INFO] running `Command { std: "docker" "start" "-a" "05ca8470e15877b0dd83f1d4d633e66f6df7bbe1fab9e811e4e5df354af38c60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]  Documenting encoding_literals v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(quote, plugin_registrar, rustc_private, slice_patterns)]
[INFO] [stdout]   |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(quote, plugin_registrar, rustc_private, slice_patterns)]
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: a __rustc_plugin_registrar symbol must now be defined instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: please recompile that crate using --crate-type lib
[INFO] [stdout]   = note: the following crate versions were found:
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.lsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.asan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.tsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/lib.rs:71:3
[INFO] [stdout]    |
[INFO] [stdout] 71 | #[plugin_registrar]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `plugin_registrar` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/lib.rs:18:50
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn expand<T>(encoding: &T, ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree], c_str: bool, size_in_bytes: isize) -> Box<MacRes...
[INFO] [stdout]    |                                                  ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:18:73
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn expand<T>(encoding: &T, ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree], c_str: bool, size_in_bytes: isize) -> Box<MacRes...
[INFO] [stdout]    |                                                                         ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/lib.rs:51:40
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn expand_c_utf8(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                        ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:51:63
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn expand_c_utf8(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                                               ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/lib.rs:55:41
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn expand_c_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                         ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:55:64
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn expand_c_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                                                ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/lib.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn expand_c_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                           ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:59:66
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn expand_c_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                                                  ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/lib.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn expand_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                       ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:63:62
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn expand_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                                              ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/lib.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn expand_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                         ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/lib.rs:67:64
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn expand_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                                                                ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `plugin`
[INFO] [stdout]   --> src/lib.rs:72:35
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn plugin_registrar(reg: &mut plugin::Registry) {
[INFO] [stdout]    |                                   ^^^^^^ use of undeclared crate or module `plugin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn expand<T>(encoding: &T, ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree], c_str: bool, size_in_bytes: isize) -> Box<MacRes...
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MacResult` in this scope
[INFO] [stdout]    --> src/lib.rs:18:132
[INFO] [stdout]     |
[INFO] [stdout] 18  |   ... &[ast::TokenTree], c_str: bool, size_in_bytes: isize) -> Box<MacResult> where T: Encoding {
[INFO] [stdout]     |                                                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 18  | fn expand<T>(encoding: &T, ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree], c_str: bool, size_in_bytes: isize) -> Box<Result> where T: Encoding {
[INFO] [stdout]     |                                                                                                                                    ~~~~~~
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 18  | fn expand<T, MacResult>(encoding: &T, ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree], c_str: bool, size_in_bytes: isize) -> Box<MacResult> where T: Encoding {
[INFO] [stdout]     |            +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn expand_c_utf8(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MacResult` in this scope
[INFO] [stdout]    --> src/lib.rs:51:87
[INFO] [stdout]     |
[INFO] [stdout] 51  |   fn expand_c_utf8(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 51  | fn expand_c_utf8(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<Result> {
[INFO] [stdout]     |                                                                                       ~~~~~~
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 51  | fn expand_c_utf8<MacResult>(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                 +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn expand_c_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                            ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MacResult` in this scope
[INFO] [stdout]    --> src/lib.rs:55:88
[INFO] [stdout]     |
[INFO] [stdout] 55  |   fn expand_c_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                                                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 55  | fn expand_c_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<Result> {
[INFO] [stdout]     |                                                                                        ~~~~~~
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 55  | fn expand_c_utf16<MacResult>(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:59:30
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn expand_c_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MacResult` in this scope
[INFO] [stdout]    --> src/lib.rs:59:90
[INFO] [stdout]     |
[INFO] [stdout] 59  |   fn expand_c_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                                                                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 59  | fn expand_c_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<Result> {
[INFO] [stdout]     |                                                                                          ~~~~~~
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 59  | fn expand_c_utf16be<MacResult>(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                    +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:63:26
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn expand_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MacResult` in this scope
[INFO] [stdout]    --> src/lib.rs:63:86
[INFO] [stdout]     |
[INFO] [stdout] 63  |   fn expand_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                                                                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 63  | fn expand_utf16(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<Result> {
[INFO] [stdout]     |                                                                                      ~~~~~~
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 63  | fn expand_utf16<MacResult>(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:67:28
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn expand_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]    |                            ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MacResult` in this scope
[INFO] [stdout]    --> src/lib.rs:67:88
[INFO] [stdout]     |
[INFO] [stdout] 67  |   fn expand_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                                                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 67  | fn expand_utf16be(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<Result> {
[INFO] [stdout]     |                                                                                        ~~~~~~
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 67  | fn expand_utf16be<MacResult>(ct: &mut ExtCtxt, sp: codemap::Span, args: &[ast::TokenTree]) -> Box<MacResult> {
[INFO] [stdout]     |                  +++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(quote, plugin_registrar, rustc_private, slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 32 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `encoding_literals`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name encoding_literals src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9b3738fa6c6ed0ca -L dependency=/opt/rustwide/target/debug/deps --extern encoding=/opt/rustwide/target/debug/deps/libencoding-0acf078df33b0b95.rmeta --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "05ca8470e15877b0dd83f1d4d633e66f6df7bbe1fab9e811e4e5df354af38c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ca8470e15877b0dd83f1d4d633e66f6df7bbe1fab9e811e4e5df354af38c60", kill_on_drop: false }`
[INFO] [stdout] 05ca8470e15877b0dd83f1d4d633e66f6df7bbe1fab9e811e4e5df354af38c60