[INFO] fetching crate russh-agent 0.2.1...
[INFO] documenting russh-agent-0.2.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate russh-agent 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate russh-agent 0.2.1 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 russh-agent 0.2.1
[INFO] finished tweaking crates.io crate russh-agent 0.2.1
[INFO] tweaked toml for crates.io crate russh-agent 0.2.1 written to /workspace/builds/worker-0-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 slog-try v0.2.0
[INFO] [stderr]   Downloaded hxdmp v0.2.1
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fb70bcff48abcf3ac56cf7bdf1ec5c184a3a066a5fc64b1b8e502c845b2e115a
[INFO] running `Command { std: "docker" "start" "-a" "fb70bcff48abcf3ac56cf7bdf1ec5c184a3a066a5fc64b1b8e502c845b2e115a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb70bcff48abcf3ac56cf7bdf1ec5c184a3a066a5fc64b1b8e502c845b2e115a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb70bcff48abcf3ac56cf7bdf1ec5c184a3a066a5fc64b1b8e502c845b2e115a", kill_on_drop: false }`
[INFO] [stdout] fb70bcff48abcf3ac56cf7bdf1ec5c184a3a066a5fc64b1b8e502c845b2e115a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b87bc39e24623d1b71e9c44d8f56cf652783023acf1ac08ae84e8c845f1b2603
[INFO] running `Command { std: "docker" "start" "-a" "b87bc39e24623d1b71e9c44d8f56cf652783023acf1ac08ae84e8c845f1b2603", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking slog-try v0.2.0
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]  Documenting russh-agent v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(async_closure, crate_visibility_modifier, error_iter)]
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `pub(crate)`
[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 `russh-agent`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name russh_agent src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f7197b2b766b9274 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-4489c14c678ec211.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-933bd7d922d48124.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-c801126d2aa7c4a0.so --extern slog=/opt/rustwide/target/debug/deps/libslog-b8ef6ed3f0f05d09.rmeta --extern slog_try=/opt/rustwide/target/debug/deps/libslog_try-f1d2cec3fdd7f3fb.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-da54d62d1964635b.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b87bc39e24623d1b71e9c44d8f56cf652783023acf1ac08ae84e8c845f1b2603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87bc39e24623d1b71e9c44d8f56cf652783023acf1ac08ae84e8c845f1b2603", kill_on_drop: false }`
[INFO] [stdout] b87bc39e24623d1b71e9c44d8f56cf652783023acf1ac08ae84e8c845f1b2603
