[INFO] fetching crate rxrs 0.2.0-beta3...
[INFO] documenting rxrs-0.2.0-beta3 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate rxrs 0.2.0-beta3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rxrs 0.2.0-beta3 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 crates.io crate rxrs 0.2.0-beta3
[INFO] finished tweaking crates.io crate rxrs 0.2.0-beta3
[INFO] tweaked toml for crates.io crate rxrs 0.2.0-beta3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b5facb161b4e6820b75597c47592ddf9ba5a8c98e7fc89d7b3782714c359f9cf
[INFO] running `Command { std: "docker" "start" "-a" "b5facb161b4e6820b75597c47592ddf9ba5a8c98e7fc89d7b3782714c359f9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5facb161b4e6820b75597c47592ddf9ba5a8c98e7fc89d7b3782714c359f9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5facb161b4e6820b75597c47592ddf9ba5a8c98e7fc89d7b3782714c359f9cf", kill_on_drop: false }`
[INFO] [stdout] b5facb161b4e6820b75597c47592ddf9ba5a8c98e7fc89d7b3782714c359f9cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 712a2a4bb2fa7a2a38f5ada3ce14b910e33d04d27aa7f8533d1dae774a6e4719
[INFO] running `Command { std: "docker" "start" "-a" "712a2a4bb2fa7a2a38f5ada3ce14b910e33d04d27aa7f8533d1dae774a6e4719", kill_on_drop: false }`
[INFO] [stderr]  Documenting rxrs v0.2.0-beta3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits, unboxed_closures, integer_atomics, optin_builtin_traits, fnbox, test, cell_update, box_syntax, impl_trait_in_bindin...
[INFO] [stdout]   |                                                          ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:106
[INFO] [stdout]   |
[INFO] [stdout] 1 | ... optin_builtin_traits, fnbox, test, cell_update, box_syntax, impl_trait_in_bindings)]
[INFO] [stdout]   |                                                     ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:118
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...its, fnbox, test, cell_update, box_syntax, impl_trait_in_bindings)]
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done
[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 `rxrs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name rxrs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a2ef398b4d245ed0 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.2.0-beta3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "712a2a4bb2fa7a2a38f5ada3ce14b910e33d04d27aa7f8533d1dae774a6e4719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712a2a4bb2fa7a2a38f5ada3ce14b910e33d04d27aa7f8533d1dae774a6e4719", kill_on_drop: false }`
[INFO] [stdout] 712a2a4bb2fa7a2a38f5ada3ce14b910e33d04d27aa7f8533d1dae774a6e4719
