[INFO] fetching crate websocket-util 0.7.0...
[INFO] checking websocket-util-0.7.0 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate websocket-util 0.7.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate websocket-util 0.7.0 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate websocket-util 0.7.0
[INFO] finished tweaking crates.io crate websocket-util 0.7.0
[INFO] tweaked toml for crates.io crate websocket-util 0.7.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b7627d0b4537c0646d1a2353083696f68b51dbca7afd57ae8cc519b58ad3003
[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" "1b7627d0b4537c0646d1a2353083696f68b51dbca7afd57ae8cc519b58ad3003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7627d0b4537c0646d1a2353083696f68b51dbca7afd57ae8cc519b58ad3003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7627d0b4537c0646d1a2353083696f68b51dbca7afd57ae8cc519b58ad3003", kill_on_drop: false }`
[INFO] [stdout] 1b7627d0b4537c0646d1a2353083696f68b51dbca7afd57ae8cc519b58ad3003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5010f2483dfcb9c01bae5684cd717d2da0edb053e234f65c3ab62372f76f49
[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" "ca5010f2483dfcb9c01bae5684cd717d2da0edb053e234f65c3ab62372f76f49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tracing-subscriber v0.2.16
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling test-env-log v0.2.5
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking websocket-util v0.7.0 (/opt/rustwide/workdir)
[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: 1 warning emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "ca5010f2483dfcb9c01bae5684cd717d2da0edb053e234f65c3ab62372f76f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5010f2483dfcb9c01bae5684cd717d2da0edb053e234f65c3ab62372f76f49", kill_on_drop: false }`
[INFO] [stdout] ca5010f2483dfcb9c01bae5684cd717d2da0edb053e234f65c3ab62372f76f49