[INFO] fetching crate jsonrpc-ws-client 11.0.0...
[INFO] checking jsonrpc-ws-client-11.0.0 against try#590af02d982816cfb2e4e43f8c54065e816581ce for pr-111505
[INFO] extracting crate jsonrpc-ws-client 11.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate jsonrpc-ws-client 11.0.0 on toolchain 590af02d982816cfb2e4e43f8c54065e816581ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-ws-client 11.0.0
[INFO] finished tweaking crates.io crate jsonrpc-ws-client 11.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-ws-client 11.0.0 written to /workspace/builds/worker-1-tc2/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" "+590af02d982816cfb2e4e43f8c54065e816581ce" "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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b37e817d61739bbf0f70e79d238f801edbcc0415a43ef5e44c0c1ede0358e32b
[INFO] running `Command { std: "docker" "start" "-a" "b37e817d61739bbf0f70e79d238f801edbcc0415a43ef5e44c0c1ede0358e32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b37e817d61739bbf0f70e79d238f801edbcc0415a43ef5e44c0c1ede0358e32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37e817d61739bbf0f70e79d238f801edbcc0415a43ef5e44c0c1ede0358e32b", kill_on_drop: false }`
[INFO] [stdout] b37e817d61739bbf0f70e79d238f801edbcc0415a43ef5e44c0c1ede0358e32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80fe3698faf1fa6819039d658ff1377af6ea403a1d2139b7354198dcc3f2c632
[INFO] running `Command { std: "docker" "start" "-a" "80fe3698faf1fa6819039d658ff1377af6ea403a1d2139b7354198dcc3f2c632", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking openssl-sys v0.9.88
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.67
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking jsonrpc-core v11.0.0
[INFO] [stderr]     Checking openssl v0.10.54
[INFO] [stdout] error: this attribute can only be applied at the crate level
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-io-0.1.13/src/_tokio_codec/mod.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![doc(hidden, html_root_url = "https://docs.rs/tokio-codec/0.1.0")]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-io` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "80fe3698faf1fa6819039d658ff1377af6ea403a1d2139b7354198dcc3f2c632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80fe3698faf1fa6819039d658ff1377af6ea403a1d2139b7354198dcc3f2c632", kill_on_drop: false }`
[INFO] [stdout] 80fe3698faf1fa6819039d658ff1377af6ea403a1d2139b7354198dcc3f2c632