[INFO] fetching crate build_metadata 0.1.0...
[INFO] documenting build_metadata-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate build_metadata 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate build_metadata 0.1.0 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 build_metadata 0.1.0
[INFO] finished tweaking crates.io crate build_metadata 0.1.0
[INFO] tweaked toml for crates.io crate build_metadata 0.1.0 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git2 v0.4.4
[INFO] [stderr]   Downloaded libgit2-sys v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 537e9188aadc12729fb785cb7af0b7c41425aa8889f6ddec094ca850fd7b9e86
[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" "537e9188aadc12729fb785cb7af0b7c41425aa8889f6ddec094ca850fd7b9e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "537e9188aadc12729fb785cb7af0b7c41425aa8889f6ddec094ca850fd7b9e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537e9188aadc12729fb785cb7af0b7c41425aa8889f6ddec094ca850fd7b9e86", kill_on_drop: false }`
[INFO] [stdout] 537e9188aadc12729fb785cb7af0b7c41425aa8889f6ddec094ca850fd7b9e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f9e355f5719b78250b2372d011a98de20cbebcf8a051af81e94281504782ea9d
[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" "f9e355f5719b78250b2372d011a98de20cbebcf8a051af81e94281504782ea9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libgit2-sys v0.4.6
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking git2 v0.4.4
[INFO] [stderr]  Documenting build_metadata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![feature(plugin_registrar, rustc_private)]
[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[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | 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.tsan.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.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.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.lsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern crate rustc_plugin;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/lib.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[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[E0412]: cannot find type `Registry` in this scope
[INFO] [stdout]   --> src/lib.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn plugin_registrar(reg: &mut Registry) {
[INFO] [stdout]    |                                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn commit<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn commit<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                                        ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TokenTree` in this scope
[INFO] [stdout]   --> src/lib.rs:52:53
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn commit<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                                                     ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MacResult` in this scope
[INFO] [stdout]   --> src/lib.rs:52:72
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn commit<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |             -                                                          ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: you might be missing a type parameter: `, MacResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn head<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn head<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TokenTree` in this scope
[INFO] [stdout]   --> src/lib.rs:59:51
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn head<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MacResult` in this scope
[INFO] [stdout]   --> src/lib.rs:59:70
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn head<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |           -                                                          ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: you might be missing a type parameter: `, MacResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn current_time<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:66:46
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn current_time<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                                              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TokenTree` in this scope
[INFO] [stdout]   --> src/lib.rs:66:59
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn current_time<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                                                           ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MacResult` in this scope
[INFO] [stdout]   --> src/lib.rs:66:78
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn current_time<'a>(cx: &'a mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'a> {
[INFO] [stdout]    |                   -                                                          ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: you might be missing a type parameter: `, MacResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `build_metadata`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name build_metadata src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=31c314420bc59ccf -L dependency=/opt/rustwide/target/debug/deps --extern git2=/opt/rustwide/target/debug/deps/libgit2-b9d4e6b6b69a9f24.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-71f68262f28e4cc7.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-7910dedc2edc5023.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f9e355f5719b78250b2372d011a98de20cbebcf8a051af81e94281504782ea9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e355f5719b78250b2372d011a98de20cbebcf8a051af81e94281504782ea9d", kill_on_drop: false }`
[INFO] [stdout] f9e355f5719b78250b2372d011a98de20cbebcf8a051af81e94281504782ea9d