[INFO] fetching crate channel-async 0.3.0-deprecated...
[INFO] documenting channel-async-0.3.0-deprecated against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate channel-async 0.3.0-deprecated into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate channel-async 0.3.0-deprecated on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate channel-async 0.3.0-deprecated
[INFO] finished tweaking crates.io crate channel-async 0.3.0-deprecated
[INFO] tweaked toml for crates.io crate channel-async 0.3.0-deprecated written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53f97c167fa9012936fddd63bde81eb38bc06257d188fb241d1da78c26279d40
[INFO] running `Command { std: "docker" "start" "-a" "53f97c167fa9012936fddd63bde81eb38bc06257d188fb241d1da78c26279d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53f97c167fa9012936fddd63bde81eb38bc06257d188fb241d1da78c26279d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f97c167fa9012936fddd63bde81eb38bc06257d188fb241d1da78c26279d40", kill_on_drop: false }`
[INFO] [stdout] 53f97c167fa9012936fddd63bde81eb38bc06257d188fb241d1da78c26279d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9bf06c65ca041e793a16bab3bb6857d217c69cb8c6310fbc0c3ea2f6dcc3723
[INFO] running `Command { std: "docker" "start" "-a" "d9bf06c65ca041e793a16bab3bb6857d217c69cb8c6310fbc0c3ea2f6dcc3723", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting channel-async v0.3.0-deprecated (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tokio::timer`
[INFO] [stdout]  --> src/receiver.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::timer::Delay;
[INFO] [stdout]   |            ^^^^^ could not find `timer` in `tokio`
[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] [stderr] error: could not document `channel-async`
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name channel_async src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4479360472cdc321 -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-d98f6188f64c5645.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-f9da323ccf5faa4c.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-467a887e0adf32dd.so --extern futures=/opt/rustwide/target/debug/deps/libfutures-1dd5d231a281483e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b5048613fc5abb4c.rmeta --cap-lints=warn --crate-version 0.3.0-deprecated` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d9bf06c65ca041e793a16bab3bb6857d217c69cb8c6310fbc0c3ea2f6dcc3723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9bf06c65ca041e793a16bab3bb6857d217c69cb8c6310fbc0c3ea2f6dcc3723", kill_on_drop: false }`
[INFO] [stdout] d9bf06c65ca041e793a16bab3bb6857d217c69cb8c6310fbc0c3ea2f6dcc3723