[INFO] fetching crate cttw 0.0.10...
[INFO] documenting cttw-0.0.10 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate cttw 0.0.10 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cttw 0.0.10 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnacl-build-helper v1.4.11
[INFO] [stderr]   Downloaded same-file v0.1.3
[INFO] [stderr]   Downloaded gdi32-sys v0.2.0
[INFO] [stderr]   Downloaded walkdir v1.0.7
[INFO] [stderr]   Downloaded openssl-sys v0.7.17
[INFO] [stderr]   Downloaded user32-sys v0.2.0
[INFO] [stderr]   Downloaded curl v0.3.11
[INFO] [stderr]   Downloaded libressl-pnacl-sys v2.1.6
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d32bacc361a01927b033a8c59c8048007f761bdd521b509d6cade4a4142a7dcc
[INFO] running `Command { std: "docker" "start" "-a" "d32bacc361a01927b033a8c59c8048007f761bdd521b509d6cade4a4142a7dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32bacc361a01927b033a8c59c8048007f761bdd521b509d6cade4a4142a7dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32bacc361a01927b033a8c59c8048007f761bdd521b509d6cade4a4142a7dcc", kill_on_drop: false }`
[INFO] [stdout] d32bacc361a01927b033a8c59c8048007f761bdd521b509d6cade4a4142a7dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d139753cff0b567d9bcd67009e2b6685339cea1b81a3fcff03e6f1c7b1929dd
[INFO] running `Command { std: "docker" "start" "-a" "1d139753cff0b567d9bcd67009e2b6685339cea1b81a3fcff03e6f1c7b1929dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking curl v0.3.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[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: plugins are no longer supported
[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: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/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=c3ae56db78b47a02 -L dependency=/opt/rustwide/target/debug/deps --extern oauth_client=/opt/rustwide/target/debug/deps/liboauth_client-5b6c7f09de596c3a.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-9b74ff3cbc1678b7.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-1072f909ccbc68c2.rmeta --extern twitter_api=/opt/rustwide/target/debug/deps/libtwitter_api-b68d00377b5e56dc.rmeta --cap-lints=warn --crate-version 0.0.10` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1d139753cff0b567d9bcd67009e2b6685339cea1b81a3fcff03e6f1c7b1929dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d139753cff0b567d9bcd67009e2b6685339cea1b81a3fcff03e6f1c7b1929dd", kill_on_drop: false }`
[INFO] [stdout] 1d139753cff0b567d9bcd67009e2b6685339cea1b81a3fcff03e6f1c7b1929dd
