[INFO] cloning repository https://github.com/mathiassoeholm/rust-websocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathiassoeholm/rust-websocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiassoeholm%2Frust-websocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiassoeholm%2Frust-websocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbe6da69b4a157845ca5dbec7ae7806bc4633804
[INFO] checking mathiassoeholm/rust-websocket against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiassoeholm%2Frust-websocket" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mathiassoeholm/rust-websocket
[INFO] finished tweaking git repo https://github.com/mathiassoeholm/rust-websocket
[INFO] tweaked toml for git repo https://github.com/mathiassoeholm/rust-websocket written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mathiassoeholm/rust-websocket on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mathiassoeholm/rust-websocket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking mathiassoeholm/rust-websocket against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathiassoeholm%2Frust-websocket" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mathiassoeholm/rust-websocket
[INFO] finished tweaking git repo https://github.com/mathiassoeholm/rust-websocket
[INFO] tweaked toml for git repo https://github.com/mathiassoeholm/rust-websocket written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mathiassoeholm/rust-websocket on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mathiassoeholm/rust-websocket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha-1 v0.9.6
[INFO] [stderr]   Downloaded libc v0.2.94
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d28b8aff67a416066ad458ea84c6b1fd75875da3cdc61d13675da29dbd255c7b
[INFO] running `Command { std: "docker" "start" "-a" "d28b8aff67a416066ad458ea84c6b1fd75875da3cdc61d13675da29dbd255c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d28b8aff67a416066ad458ea84c6b1fd75875da3cdc61d13675da29dbd255c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28b8aff67a416066ad458ea84c6b1fd75875da3cdc61d13675da29dbd255c7b", kill_on_drop: false }`
[INFO] [stdout] d28b8aff67a416066ad458ea84c6b1fd75875da3cdc61d13675da29dbd255c7b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c43168e2b7c2e4aa0f279640418a9030ac26238b790c2423ea780b06aefee4de
[INFO] running `Command { std: "docker" "start" "-a" "c43168e2b7c2e4aa0f279640418a9030ac26238b790c2423ea780b06aefee4de", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking rust_websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::Take`
[INFO] [stdout]  --> src/frame_parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Take;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Take`
[INFO] [stdout]  --> src/frame_parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Take;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/frame_parser.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from_number(value: u8) -> PayloadLengthType {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/frame_parser.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut unfinished_frame = self.unfinished_frame.as_mut().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/frame_parser.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from_number(value: u8) -> PayloadLengthType {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Method` is never used
[INFO] [stdout]  --> src/http.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Method {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Extended` and `LongExtended` are never constructed
[INFO] [stdout]   --> src/frame_parser.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum PayloadLengthType {
[INFO] [stdout]    |      ----------------- variants in this enum
[INFO] [stdout] 23 |     Normal,
[INFO] [stdout] 24 |     Extended,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     LongExtended,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PayloadLengthType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExtendedPayloadLength` is never constructed
[INFO] [stdout]   --> src/frame_parser.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum ParserState {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 64 |     ExtendedPayloadLength,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `byte_buffer` is never read
[INFO] [stdout]   --> src/frame_parser.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct FrameParser<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     byte_buffer: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_frame_receiver` is never used
[INFO] [stdout]   --> src/frame_parser.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl<'a> FrameParser<'a> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     fn set_frame_receiver(&mut self, frame_receiver: &'a mut dyn DataFrameReceiver) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn parse(message: &str) -> Result<HttpUpgradeRequest, &str> {
[INFO] [stdout]    |                         ^^^^            ^^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                         |               |
[INFO] [stdout]    |                         |               the same lifetime is hidden here
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn parse(message: &str) -> Result<HttpUpgradeRequest<'_>, &str> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/frame_parser.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut unfinished_frame = self.unfinished_frame.as_mut().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Method` is never used
[INFO] [stdout]  --> src/http.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Method {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Extended` and `LongExtended` are never constructed
[INFO] [stdout]   --> src/frame_parser.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum PayloadLengthType {
[INFO] [stdout]    |      ----------------- variants in this enum
[INFO] [stdout] 23 |     Normal,
[INFO] [stdout] 24 |     Extended,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     LongExtended,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PayloadLengthType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExtendedPayloadLength` is never constructed
[INFO] [stdout]   --> src/frame_parser.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum ParserState {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 64 |     ExtendedPayloadLength,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `byte_buffer` is never read
[INFO] [stdout]   --> src/frame_parser.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct FrameParser<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 78 |     byte_buffer: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn parse(message: &str) -> Result<HttpUpgradeRequest, &str> {
[INFO] [stdout]    |                         ^^^^            ^^^^^^^^^^^^^^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                         |               |
[INFO] [stdout]    |                         |               the same lifetime is hidden here
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |   pub fn parse(message: &str) -> Result<HttpUpgradeRequest<'_>, &str> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "c43168e2b7c2e4aa0f279640418a9030ac26238b790c2423ea780b06aefee4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43168e2b7c2e4aa0f279640418a9030ac26238b790c2423ea780b06aefee4de", kill_on_drop: false }`
[INFO] [stdout] c43168e2b7c2e4aa0f279640418a9030ac26238b790c2423ea780b06aefee4de
