[INFO] fetching crate itmsink 0.1.4...
[INFO] documenting itmsink-0.1.4 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate itmsink 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate itmsink 0.1.4 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate itmsink 0.1.4
[INFO] finished tweaking crates.io crate itmsink 0.1.4
[INFO] tweaked toml for crates.io crate itmsink 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate itmsink 0.1.4 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.18
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded smallvec v0.6.11
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f4f20d9601463ff4021fb14edd152a4bf3b853aaabe6ac02fa8fac8d7f6ff57
[INFO] running `Command { std: "docker" "start" "-a" "4f4f20d9601463ff4021fb14edd152a4bf3b853aaabe6ac02fa8fac8d7f6ff57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f4f20d9601463ff4021fb14edd152a4bf3b853aaabe6ac02fa8fac8d7f6ff57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4f20d9601463ff4021fb14edd152a4bf3b853aaabe6ac02fa8fac8d7f6ff57", kill_on_drop: false }`
[INFO] [stdout] 4f4f20d9601463ff4021fb14edd152a4bf3b853aaabe6ac02fa8fac8d7f6ff57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f718e03543daff9114f5f705f759969f5187b301b8afcac69f42ac37d800c3d1
[INFO] running `Command { std: "docker" "start" "-a" "f718e03543daff9114f5f705f759969f5187b301b8afcac69f42ac37d800c3d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.18
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking smallvec v0.6.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]  Documenting itmsink v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(generators)]
[INFO] [stdout]    |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `coroutines`
[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 `itmsink`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name itmsink src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f3e5fd104e3589ac -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-def1c310c1deea81.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-ba27634600ad0839.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2466f9feaf723625.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-5bac025ea9c2012a.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-b991d26961ffd6ff.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f718e03543daff9114f5f705f759969f5187b301b8afcac69f42ac37d800c3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f718e03543daff9114f5f705f759969f5187b301b8afcac69f42ac37d800c3d1", kill_on_drop: false }`
[INFO] [stdout] f718e03543daff9114f5f705f759969f5187b301b8afcac69f42ac37d800c3d1
