[INFO] cloning repository https://github.com/hajifkd/custom-rustc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hajifkd/custom-rustc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhajifkd%2Fcustom-rustc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhajifkd%2Fcustom-rustc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cda9e472047c66cc8ac8d5e4977790026870f9b
[INFO] documenting hajifkd/custom-rustc 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%2Fhajifkd%2Fcustom-rustc" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hajifkd/custom-rustc 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] removed /workspace/builds/worker-21/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/hajifkd/custom-rustc
[INFO] finished tweaking git repo https://github.com/hajifkd/custom-rustc
[INFO] tweaked toml for git repo https://github.com/hajifkd/custom-rustc written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/hajifkd/custom-rustc 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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 740aa5e20bf775c4bf1be110da844b92727a7a4eb8559a55f4594b76d534bf85
[INFO] running `Command { std: "docker" "start" "-a" "740aa5e20bf775c4bf1be110da844b92727a7a4eb8559a55f4594b76d534bf85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "740aa5e20bf775c4bf1be110da844b92727a7a4eb8559a55f4594b76d534bf85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740aa5e20bf775c4bf1be110da844b92727a7a4eb8559a55f4594b76d534bf85", kill_on_drop: false }`
[INFO] [stdout] 740aa5e20bf775c4bf1be110da844b92727a7a4eb8559a55f4594b76d534bf85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 7654f99a47ab74d222b37eacca09b096d42f1e7eb93f66356dc98b0ecd4fa2b3
[INFO] running `Command { std: "docker" "start" "-a" "7654f99a47ab74d222b37eacca09b096d42f1e7eb93f66356dc98b0ecd4fa2b3", kill_on_drop: false }`
[INFO] [stderr]  Documenting custom-rustc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> src/main.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[E0463]: can't find crate for `rustc_driver`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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[E0405]: cannot find trait `CompilerCalls` in this scope
[INFO] [stdout]   --> src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'a> CompilerCalls<'a> for MyRustcCall {
[INFO] [stdout]    |          ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `custom-rustc`
[INFO] [stdout] error[E0412]: cannot find type `Session` in this scope
[INFO] [stdout]   --> src/main.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |         _session: &Session,
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0412]: cannot find type `CompileController` in this scope
[INFO] [stdout]   --> src/main.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ) -> CompileController<'a> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rustc_private)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name custom_rustc src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=df7214d3414c43c2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0463, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7654f99a47ab74d222b37eacca09b096d42f1e7eb93f66356dc98b0ecd4fa2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7654f99a47ab74d222b37eacca09b096d42f1e7eb93f66356dc98b0ecd4fa2b3", kill_on_drop: false }`
[INFO] [stdout] 7654f99a47ab74d222b37eacca09b096d42f1e7eb93f66356dc98b0ecd4fa2b3