[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] documenting futures-preview-0.3.0-alpha.19 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 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 futures-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.19 written to /workspace/builds/worker-7-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 futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07e7e366ec00d66d358a34529689a4c68cf904b000ea431b5f53fd648dc3bdcf
[INFO] running `Command { std: "docker" "start" "-a" "07e7e366ec00d66d358a34529689a4c68cf904b000ea431b5f53fd648dc3bdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07e7e366ec00d66d358a34529689a4c68cf904b000ea431b5f53fd648dc3bdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e7e366ec00d66d358a34529689a4c68cf904b000ea431b5f53fd648dc3bdcf", kill_on_drop: false }`
[INFO] [stdout] 07e7e366ec00d66d358a34529689a4c68cf904b000ea431b5f53fd648dc3bdcf
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 5a7956fb2280f7a9d7ff196faa4a2092c7832f9c7309bc1ee7bc2fd8615b83d0
[INFO] running `Command { std: "docker" "start" "-a" "5a7956fb2280f7a9d7ff196faa4a2092c7832f9c7309bc1ee7bc2fd8615b83d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]  Documenting futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "5a7956fb2280f7a9d7ff196faa4a2092c7832f9c7309bc1ee7bc2fd8615b83d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7956fb2280f7a9d7ff196faa4a2092c7832f9c7309bc1ee7bc2fd8615b83d0", kill_on_drop: false }`
[INFO] [stdout] 5a7956fb2280f7a9d7ff196faa4a2092c7832f9c7309bc1ee7bc2fd8615b83d0
[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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2881b2d0ae73d231e3811110a5e2a7038045715d13e4579dc4d617044496d142
[INFO] running `Command { std: "docker" "start" "-a" "2881b2d0ae73d231e3811110a5e2a7038045715d13e4579dc4d617044496d142", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stdout] error[E0432]: unresolved import `io::Initializer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-preview-0.3.0-alpha.19/src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub use io::Initializer as Initializer;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Initializer` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `read_initializer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-preview-0.3.0-alpha.19/src/lib.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(feature = "read_initializer", feature(read_initializer))]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stdout] error[E0599]: the function or associated item `initializer` exists for trait object `dyn Read`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-preview-0.3.0-alpha.19/src/lib.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 io::Read::initializer(self)
[INFO] [stdout]     |                           ^^^^^^^^^^^ function or associated item cannot be called on `dyn Read` due to unsatisfied trait bounds
[INFO] [stdout] ...
[INFO] [stdout] 386 |         delegate_async_read_to_stdio!();
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]    --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:554:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: Unpin`
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `dyn std::io::Read: AsyncRead`
[INFO] [stdout]       `dyn std::io::Read: Unpin`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-preview-0.3.0-alpha.19/src/lib.rs:337:22
[INFO] [stdout]     |
[INFO] [stdout] 337 |     impl<T: ?Sized + AsyncRead + Unpin> AsyncRead for &mut T {
[INFO] [stdout]     |                      ^^^^^^^^^   ^^^^^  ---------     ------
[INFO] [stdout]     |                      |           |
[INFO] [stdout]     |                      |           unsatisfied trait bound introduced here
[INFO] [stdout]     |                      unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `delegate_async_read_to_stdio` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `initializer` exists for trait object `dyn Read`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-preview-0.3.0-alpha.19/src/lib.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 io::Read::initializer(self)
[INFO] [stdout]     |                           ^^^^^^^^^^^ function or associated item cannot be called on `dyn Read` due to unsatisfied trait bounds
[INFO] [stdout] ...
[INFO] [stdout] 390 |         delegate_async_read_to_stdio!();
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]    --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:554:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: Unpin`
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `dyn std::io::Read: AsyncRead`
[INFO] [stdout]       `dyn std::io::Read: Unpin`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-io-preview-0.3.0-alpha.19/src/lib.rs:337:22
[INFO] [stdout]     |
[INFO] [stdout] 337 |     impl<T: ?Sized + AsyncRead + Unpin> AsyncRead for &mut T {
[INFO] [stdout]     |                      ^^^^^^^^^   ^^^^^  ---------     ------
[INFO] [stdout]     |                      |           |
[INFO] [stdout]     |                      |           unsatisfied trait bound introduced here
[INFO] [stdout]     |                      unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `delegate_async_read_to_stdio` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-io-preview` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2881b2d0ae73d231e3811110a5e2a7038045715d13e4579dc4d617044496d142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2881b2d0ae73d231e3811110a5e2a7038045715d13e4579dc4d617044496d142", kill_on_drop: false }`
[INFO] [stdout] 2881b2d0ae73d231e3811110a5e2a7038045715d13e4579dc4d617044496d142
