[INFO] fetching crate meio-ws 0.22.1...
[INFO] checking meio-ws-0.22.1 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate meio-ws 0.22.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate meio-ws 0.22.1 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meio-ws 0.22.1
[INFO] finished tweaking crates.io crate meio-ws 0.22.1
[INFO] tweaked toml for crates.io crate meio-ws 0.22.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", 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] 7570128157c2bf8be2a103503229836d4ac906be195b72059771a44a2c69008a
[INFO] running `Command { std: "docker" "start" "-a" "7570128157c2bf8be2a103503229836d4ac906be195b72059771a44a2c69008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7570128157c2bf8be2a103503229836d4ac906be195b72059771a44a2c69008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7570128157c2bf8be2a103503229836d4ac906be195b72059771a44a2c69008a", kill_on_drop: false }`
[INFO] [stdout] 7570128157c2bf8be2a103503229836d4ac906be195b72059771a44a2c69008a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d4bb6e6c26a1c81040d478269c8c19468c0ae3cebdd9edebb093102c4699b49
[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" "0d4bb6e6c26a1c81040d478269c8c19468c0ae3cebdd9edebb093102c4699b49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.16
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking unicode-normalization v0.1.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking async-tungstenite v0.9.3
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking meio v0.22.1
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking meio-ws v0.22.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/client.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...                   timeout = delay => {
[INFO] [stdout]     |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/client.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...                   timeout = delay => {
[INFO] [stdout]     |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "0d4bb6e6c26a1c81040d478269c8c19468c0ae3cebdd9edebb093102c4699b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4bb6e6c26a1c81040d478269c8c19468c0ae3cebdd9edebb093102c4699b49", kill_on_drop: false }`
[INFO] [stdout] 0d4bb6e6c26a1c81040d478269c8c19468c0ae3cebdd9edebb093102c4699b49