[INFO] cloning repository https://github.com/nikomatsakis/grep-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikomatsakis/grep-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fgrep-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fgrep-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd835f864fa4231c082dedde197d4ed87ed0d070
[INFO] documenting nikomatsakis/grep-test against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fgrep-test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikomatsakis/grep-test on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikomatsakis/grep-test
[INFO] finished tweaking git repo https://github.com/nikomatsakis/grep-test
[INFO] tweaked toml for git repo https://github.com/nikomatsakis/grep-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nikomatsakis/grep-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8883d11bcd39233fbdda694a930a0deb6a449606ef1bf40550667cff97c8d3a2
[INFO] running `Command { std: "docker" "start" "-a" "8883d11bcd39233fbdda694a930a0deb6a449606ef1bf40550667cff97c8d3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8883d11bcd39233fbdda694a930a0deb6a449606ef1bf40550667cff97c8d3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8883d11bcd39233fbdda694a930a0deb6a449606ef1bf40550667cff97c8d3a2", kill_on_drop: false }`
[INFO] [stdout] 8883d11bcd39233fbdda694a930a0deb6a449606ef1bf40550667cff97c8d3a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe1d506320bb8ac9ef3fc97ba5100e6eaecd8edc82e6f7d7b4f55a459a81cdf8
[INFO] running `Command { std: "docker" "start" "-a" "fe1d506320bb8ac9ef3fc97ba5100e6eaecd8edc82e6f7d7b4f55a459a81cdf8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]  Documenting grep-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `extern`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use extern::{
[INFO] [stdout]    |     ^^^^^^ expected identifier, found keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `extern` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 11 | use r#extern::{
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_in_paths, crate_visibility_modifier, extern_in_paths, decl_macro,
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `pub(crate)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:55
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(crate_in_paths, crate_visibility_modifier, extern_in_paths, decl_macro,
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `::foo::bar` paths
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `grep-test`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name grep_test src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=736f589f4fbdd55e -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-f44ab18d2bca76f6.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-6da46e431afc2625.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fe1d506320bb8ac9ef3fc97ba5100e6eaecd8edc82e6f7d7b4f55a459a81cdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1d506320bb8ac9ef3fc97ba5100e6eaecd8edc82e6f7d7b4f55a459a81cdf8", kill_on_drop: false }`
[INFO] [stdout] fe1d506320bb8ac9ef3fc97ba5100e6eaecd8edc82e6f7d7b4f55a459a81cdf8
