[INFO] cloning repository https://github.com/leo-lb/hyper-async-std
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leo-lb/hyper-async-std" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Fhyper-async-std", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Fhyper-async-std'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d135cbb13f402d3112a67a91eff359e60c0fbd4b
[INFO] documenting leo-lb/hyper-async-std against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-lb%2Fhyper-async-std" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leo-lb/hyper-async-std 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 git repo https://github.com/leo-lb/hyper-async-std
[INFO] finished tweaking git repo https://github.com/leo-lb/hyper-async-std
[INFO] tweaked toml for git repo https://github.com/leo-lb/hyper-async-std written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leo-lb/hyper-async-std 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/leo-lb/tokio-compat.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-task v1.2.1
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fdf702f8e4d49d16ece9f9ad32e231284b6d1185f865b906b2e4b45d8aa6a45
[INFO] running `Command { std: "docker" "start" "-a" "8fdf702f8e4d49d16ece9f9ad32e231284b6d1185f865b906b2e4b45d8aa6a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fdf702f8e4d49d16ece9f9ad32e231284b6d1185f865b906b2e4b45d8aa6a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdf702f8e4d49d16ece9f9ad32e231284b6d1185f865b906b2e4b45d8aa6a45", kill_on_drop: false }`
[INFO] [stdout] 8fdf702f8e4d49d16ece9f9ad32e231284b6d1185f865b906b2e4b45d8aa6a45
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 0d195511f227b09005e8db09f8d404d9d0247a1a336dec9a69922171b20a09f8
[INFO] running `Command { std: "docker" "start" "-a" "0d195511f227b09005e8db09f8d404d9d0247a1a336dec9a69922171b20a09f8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
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[INFO] [stderr]     Checking tokio-current-thread v0.1.6
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[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking async-task v1.2.1
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking tokio-compat v0.1.2 (https://github.com/leo-lb/tokio-compat.git#2d8033c8)
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]  Documenting hyper-async-std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `hyper-async-std`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name hyper_async_std src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=db67c3eff5367fb3 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-469e8c92b8fab2f5.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-2f1886e05a7bb47e.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-ec95a8a46d745929.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-db3dd2153286e4c8.rmeta --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-98ea1d65427eaa62.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-15a709399e12b3f2.rmeta --extern tokio_compat=/opt/rustwide/target/debug/deps/libtokio_compat-556ea7ade6ef3e55.rmeta --extern tower_service=/opt/rustwide/target/debug/deps/libtower_service-072dc5acd6201e5f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0d195511f227b09005e8db09f8d404d9d0247a1a336dec9a69922171b20a09f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d195511f227b09005e8db09f8d404d9d0247a1a336dec9a69922171b20a09f8", kill_on_drop: false }`
[INFO] [stdout] 0d195511f227b09005e8db09f8d404d9d0247a1a336dec9a69922171b20a09f8
