[INFO] fetching crate cttw 0.0.10...
[INFO] documenting cttw-0.0.10 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate cttw 0.0.10 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cttw 0.0.10 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cttw 0.0.10
[INFO] finished tweaking crates.io crate cttw 0.0.10
[INFO] tweaked toml for crates.io crate cttw 0.0.10 written to /workspace/builds/worker-3-tc1/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" "+1.69.0" "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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.3.11
[INFO] [stderr]   Downloaded curl-sys v0.2.5
[INFO] [stderr]   Downloaded twitter-api v0.2.0
[INFO] [stderr]   Downloaded oauth-client v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddb2fc85ccf50284d30304bf2e8067c6ca9123f3346320e2d1e62f66a29033c2
[INFO] running `Command { std: "docker" "start" "-a" "ddb2fc85ccf50284d30304bf2e8067c6ca9123f3346320e2d1e62f66a29033c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb2fc85ccf50284d30304bf2e8067c6ca9123f3346320e2d1e62f66a29033c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb2fc85ccf50284d30304bf2e8067c6ca9123f3346320e2d1e62f66a29033c2", kill_on_drop: false }`
[INFO] [stdout] ddb2fc85ccf50284d30304bf2e8067c6ca9123f3346320e2d1e62f66a29033c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8b4b10d5c6d955ef05efc08c80a2ce8b1e14c2f16fd113a68a0b7a5a7d9fb02
[INFO] running `Command { std: "docker" "start" "-a" "a8b4b10d5c6d955ef05efc08c80a2ce8b1e14c2f16fd113a68a0b7a5a7d9fb02", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking curl v0.3.11
[INFO] [stderr]     Checking oauth-client v0.1.4
[INFO] [stderr]     Checking twitter-api v0.2.0
[INFO] [stderr]  Documenting cttw v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(rustc_private, plugin_registrar)]
[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: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `cttw`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name cttw src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ad52a6e120904df5 -L dependency=/opt/rustwide/target/debug/deps --extern oauth_client=/opt/rustwide/target/debug/deps/liboauth_client-2c9d0e39ce056a66.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-eb6d570c71db06b6.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-4f6d97d9bf0baf34.rmeta --extern twitter_api=/opt/rustwide/target/debug/deps/libtwitter_api-26a130ed99748b33.rmeta --cap-lints=warn --crate-version 0.0.10` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a8b4b10d5c6d955ef05efc08c80a2ce8b1e14c2f16fd113a68a0b7a5a7d9fb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b4b10d5c6d955ef05efc08c80a2ce8b1e14c2f16fd113a68a0b7a5a7d9fb02", kill_on_drop: false }`
[INFO] [stdout] a8b4b10d5c6d955ef05efc08c80a2ce8b1e14c2f16fd113a68a0b7a5a7d9fb02
