[INFO] cloning repository https://github.com/nrc/stupid-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrc/stupid-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fstupid-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fstupid-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa0e4733f03156d5909ef97dd06f0db961e2f8cc
[INFO] documenting nrc/stupid-stats against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fstupid-stats" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrc/stupid-stats 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 git repo https://github.com/nrc/stupid-stats
[INFO] finished tweaking git repo https://github.com/nrc/stupid-stats
[INFO] tweaked toml for git repo https://github.com/nrc/stupid-stats written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/nrc/stupid-stats already has a lockfile, it will not be regenerated
[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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 66c2080284b1fa7352fb502981be20592fce3afbc10fcfbf84028e4a7585a6fd
[INFO] running `Command { std: "docker" "start" "-a" "66c2080284b1fa7352fb502981be20592fce3afbc10fcfbf84028e4a7585a6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c2080284b1fa7352fb502981be20592fce3afbc10fcfbf84028e4a7585a6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c2080284b1fa7352fb502981be20592fce3afbc10fcfbf84028e4a7585a6fd", kill_on_drop: false }`
[INFO] [stdout] 66c2080284b1fa7352fb502981be20592fce3afbc10fcfbf84028e4a7585a6fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ed5cb72ff106a6c7f592196ea256afa81af57e03e38684f6dfb928ea5a818fdd
[INFO] running `Command { std: "docker" "start" "-a" "ed5cb72ff106a6c7f592196ea256afa81af57e03e38684f6dfb928ea5a818fdd", kill_on_drop: false }`
[INFO] [stderr]  Documenting stupid-stats v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_driver`
[INFO] [stdout]   --> src/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate rustc_driver;
[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 `rustc_interface`
[INFO] [stdout]   --> src/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate rustc_interface;
[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 `rustc_span`
[INFO] [stdout]   --> src/mod.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate rustc_span;
[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 `rustc_ast`
[INFO] [stdout]   --> src/mod.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | extern crate rustc_ast;
[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 `rustc_ast_pretty`
[INFO] [stdout]   --> src/mod.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate rustc_ast_pretty;
[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 `rustc_attr`
[INFO] [stdout]   --> src/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate rustc_attr;
[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[E0433]: failed to resolve: use of undeclared crate or module `visit`
[INFO] [stdout]    --> src/mod.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl<'a> visit::Visitor<'a> for StupidVisitor {
[INFO] [stdout]     |          ^^^^^ use of undeclared crate or module `visit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]    --> src/mod.rs:157:34
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn visit_item(&mut self, i: &ast::Item) {
[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 `ast`
[INFO] [stdout]    --> src/mod.rs:167:40
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn visit_mac_call(&mut self, mac: &ast::MacCall) {
[INFO] [stdout]     |                                        ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Callbacks` in this scope
[INFO] [stdout]   --> src/mod.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Callbacks for StupidCalls {
[INFO] [stdout]    |      ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Config` in this scope
[INFO] [stdout]   --> src/mod.rs:38:39
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn config(&mut self, config: &mut Config) {
[INFO] [stdout]    |                                       ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Compiler` in this scope
[INFO] [stdout]   --> src/mod.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |         _compiler: &Compiler,
[INFO] [stdout]    |                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Queries` in this scope
[INFO] [stdout]   --> src/mod.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |         _queries: &'tcx Queries<'tcx>
[INFO] [stdout]    |                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Compilation` in this scope
[INFO] [stdout]   --> src/mod.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 |     ) -> Compilation {
[INFO] [stdout]    |          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Compiler` in this scope
[INFO] [stdout]   --> src/mod.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |         _compiler: &Compiler,
[INFO] [stdout]    |                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Queries` in this scope
[INFO] [stdout]   --> src/mod.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         _queries: &'tcx Queries<'tcx>
[INFO] [stdout]    |                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Compilation` in this scope
[INFO] [stdout]   --> src/mod.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |     ) -> Compilation {
[INFO] [stdout]    |          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Compiler` in this scope
[INFO] [stdout]   --> src/mod.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |         compiler: &Compiler,
[INFO] [stdout]    |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Queries` in this scope
[INFO] [stdout]   --> src/mod.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 |         queries: &'tcx Queries<'tcx>,
[INFO] [stdout]    |                        ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Compilation` in this scope
[INFO] [stdout]   --> src/mod.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |     ) -> Compilation {
[INFO] [stdout]    |          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/mod.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(rustc_private)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/mod.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(box_patterns)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 23 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `stupid-stats`
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0433, E0463, E0554.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name stupid src/mod.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=26531e2617dc7e99 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ed5cb72ff106a6c7f592196ea256afa81af57e03e38684f6dfb928ea5a818fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5cb72ff106a6c7f592196ea256afa81af57e03e38684f6dfb928ea5a818fdd", kill_on_drop: false }`
[INFO] [stdout] ed5cb72ff106a6c7f592196ea256afa81af57e03e38684f6dfb928ea5a818fdd