[INFO] fetching crate crypto_vault 0.0.3...
[INFO] documenting crypto_vault-0.0.3 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate crypto_vault 0.0.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate crypto_vault 0.0.3 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 crypto_vault 0.0.3
[INFO] finished tweaking crates.io crate crypto_vault 0.0.3
[INFO] tweaked toml for crates.io crate crypto_vault 0.0.3 written to /workspace/builds/worker-7-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6c48b9fdf2a761869d2f8662ed2d66b71eb071ff1a818aeb71d440240b2d1d9
[INFO] running `Command { std: "docker" "start" "-a" "a6c48b9fdf2a761869d2f8662ed2d66b71eb071ff1a818aeb71d440240b2d1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c48b9fdf2a761869d2f8662ed2d66b71eb071ff1a818aeb71d440240b2d1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c48b9fdf2a761869d2f8662ed2d66b71eb071ff1a818aeb71d440240b2d1d9", kill_on_drop: false }`
[INFO] [stdout] a6c48b9fdf2a761869d2f8662ed2d66b71eb071ff1a818aeb71d440240b2d1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ce2ffeb3fc7a81f5a8288b687b49403f5fce64b3d5176523e43f753bfb39b1c0
[INFO] running `Command { std: "docker" "start" "-a" "ce2ffeb3fc7a81f5a8288b687b49403f5fce64b3d5176523e43f753bfb39b1c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]  Documenting crypto_vault v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![feature(vec_push_all, plugin)]
[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 `crypto_vault`
[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 lib --crate-name crypto_vault src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9fb3b4154538256e -L dependency=/opt/rustwide/target/debug/deps --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-04d072ab75ff641c.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7c14306ccbf0b227.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-1072f909ccbc68c2.rmeta --cap-lints=warn --crate-version 0.0.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ce2ffeb3fc7a81f5a8288b687b49403f5fce64b3d5176523e43f753bfb39b1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2ffeb3fc7a81f5a8288b687b49403f5fce64b3d5176523e43f753bfb39b1c0", kill_on_drop: false }`
[INFO] [stdout] ce2ffeb3fc7a81f5a8288b687b49403f5fce64b3d5176523e43f753bfb39b1c0
