[INFO] fetching crate websocket-util 0.6.0...
[INFO] checking websocket-util-0.6.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate websocket-util 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate websocket-util 0.6.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate websocket-util 0.6.0
[INFO] finished tweaking crates.io crate websocket-util 0.6.0
[INFO] tweaked toml for crates.io crate websocket-util 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded tungstenite v0.11.1
[INFO] [stderr]   Downloaded async-tungstenite v0.8.0
[INFO] [stderr]   Downloaded test-env-log v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d953e16cd00627a8b8cd65114cc0f539a092655adb81d666c12403b300eaa781
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d953e16cd00627a8b8cd65114cc0f539a092655adb81d666c12403b300eaa781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d953e16cd00627a8b8cd65114cc0f539a092655adb81d666c12403b300eaa781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d953e16cd00627a8b8cd65114cc0f539a092655adb81d666c12403b300eaa781", kill_on_drop: false }`
[INFO] [stdout] d953e16cd00627a8b8cd65114cc0f539a092655adb81d666c12403b300eaa781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 694c0577e713ce92f5ce5f5e6a314743431c82d47ed257ef0da9f0003c43ef4f
[INFO] running `Command { std: "docker" "start" "-a" "694c0577e713ce92f5ce5f5e6a314743431c82d47ed257ef0da9f0003c43ef4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling test-env-log v0.2.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking async-tungstenite v0.8.0
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking websocket-util v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been renamed to `broken_intra_doc_links`
[INFO] [stdout]   --> src/lib.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   intra_doc_link_resolution_failure,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `broken_intra_doc_links`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ping` is never read
[INFO] [stdout]    --> src/stream.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |               ping = Ping::NotNeeded;
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:37:3
[INFO] [stdout]     |
[INFO] [stdout] 37  |   unused,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]`
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been renamed to `broken_intra_doc_links`
[INFO] [stdout]   --> src/lib.rs:10:3
[INFO] [stdout]    |
[INFO] [stdout] 10 |   intra_doc_link_resolution_failure,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `broken_intra_doc_links`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ping` is never read
[INFO] [stdout]    --> src/stream.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |               ping = Ping::NotNeeded;
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:37:3
[INFO] [stdout]     |
[INFO] [stdout] 37  |   unused,
[INFO] [stdout]     |   ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]`
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.48s
[INFO] running `Command { std: "docker" "inspect" "694c0577e713ce92f5ce5f5e6a314743431c82d47ed257ef0da9f0003c43ef4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694c0577e713ce92f5ce5f5e6a314743431c82d47ed257ef0da9f0003c43ef4f", kill_on_drop: false }`
[INFO] [stdout] 694c0577e713ce92f5ce5f5e6a314743431c82d47ed257ef0da9f0003c43ef4f