[INFO] crate websocket-util 0.4.0 is already in cache
[INFO] checking websocket-util-0.4.0 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate websocket-util 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate websocket-util 0.4.0 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate websocket-util 0.4.0
[INFO] finished tweaking crates.io crate websocket-util 0.4.0
[INFO] tweaked toml for crates.io crate websocket-util 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af6a29fbe7c28b95b226050712a8ff16258d45fe0a52c6cdc65ded1756f70cd9
[INFO] running `"docker" "start" "-a" "af6a29fbe7c28b95b226050712a8ff16258d45fe0a52c6cdc65ded1756f70cd9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tracing v0.1.14
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling test-env-log v0.2.2
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-tungstenite v0.4.2
[INFO] [stderr]     Checking websocket-util v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: external crate `tracing_futures` unused in `websocket_util`: remove the dependency or add `use tracing_futures as _;`
[INFO] [stderr]   --> src/lib.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![warn(
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   unused,
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `serde` unused in `websocket_util`: remove the dependency or add `use serde as _;`
[INFO] [stderr]   --> src/lib.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | #![warn(
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:37:3
[INFO] [stderr]    |
[INFO] [stderr] 37 |   unused,
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_crate_dependencies)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: external crate `tracing_futures` unused in `websocket_util`: remove the dependency or add `use tracing_futures as _;`
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![warn(
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "af6a29fbe7c28b95b226050712a8ff16258d45fe0a52c6cdc65ded1756f70cd9"`
[INFO] running `"docker" "rm" "-f" "af6a29fbe7c28b95b226050712a8ff16258d45fe0a52c6cdc65ded1756f70cd9"`
[INFO] [stdout] af6a29fbe7c28b95b226050712a8ff16258d45fe0a52c6cdc65ded1756f70cd9