[INFO] cloning repository https://github.com/lukeKonopka/rust-ws-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukeKonopka/rust-ws-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06138137e53f6b70755e98477486fb12274a3f56
[INFO] testing lukeKonopka/rust-ws-chat against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlukeKonopka%2Frust-ws-chat" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukeKonopka/rust-ws-chat on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukeKonopka/rust-ws-chat
[INFO] finished tweaking git repo https://github.com/lukeKonopka/rust-ws-chat
[INFO] tweaked toml for git repo https://github.com/lukeKonopka/rust-ws-chat written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/lukeKonopka/rust-ws-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03594250beb4616421fe523ba326b0d1598153f802044650a33e1a15395f123c
[INFO] running `Command { std: "docker" "start" "-a" "03594250beb4616421fe523ba326b0d1598153f802044650a33e1a15395f123c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03594250beb4616421fe523ba326b0d1598153f802044650a33e1a15395f123c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03594250beb4616421fe523ba326b0d1598153f802044650a33e1a15395f123c", kill_on_drop: false }`
[INFO] [stdout] 03594250beb4616421fe523ba326b0d1598153f802044650a33e1a15395f123c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbab6220f4caab53214bd79e47b212b0b5f5a45ed2f70437e07bdf9877657984
[INFO] running `Command { std: "docker" "start" "-a" "fbab6220f4caab53214bd79e47b212b0b5f5a45ed2f70437e07bdf9877657984", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling ws v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling rust-ws-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/message.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 |   fn from(err: ws::Error) -> Self {
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/message.rs:73:11
[INFO] [stdout]    |
[INFO] [stdout] 73 |   fn from(err: serde_json::error::Error) -> Self {
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `message`
[INFO] [stdout]   --> src/message.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 |   fn message(from: &str, to: &str, content: &str) -> Self {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]   --> src/message.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn error(msg: &str) -> Self {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `Command { std: "docker" "inspect" "fbab6220f4caab53214bd79e47b212b0b5f5a45ed2f70437e07bdf9877657984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbab6220f4caab53214bd79e47b212b0b5f5a45ed2f70437e07bdf9877657984", kill_on_drop: false }`
[INFO] [stdout] fbab6220f4caab53214bd79e47b212b0b5f5a45ed2f70437e07bdf9877657984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2db573e3831c0c2ba5185dadce72e5afe64c4954ee11c371d46a151805fff0b8
[INFO] running `Command { std: "docker" "start" "-a" "2db573e3831c0c2ba5185dadce72e5afe64c4954ee11c371d46a151805fff0b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-ws-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/message.rs:65:11
[INFO] [stdout]    |
[INFO] [stdout] 65 |   fn from(err: ws::Error) -> Self {
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/message.rs:73:11
[INFO] [stdout]    |
[INFO] [stdout] 73 |   fn from(err: serde_json::error::Error) -> Self {
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `message`
[INFO] [stdout]   --> src/message.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 |   fn message(from: &str, to: &str, content: &str) -> Self {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `error`
[INFO] [stdout]   --> src/message.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn error(msg: &str) -> Self {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "2db573e3831c0c2ba5185dadce72e5afe64c4954ee11c371d46a151805fff0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db573e3831c0c2ba5185dadce72e5afe64c4954ee11c371d46a151805fff0b8", kill_on_drop: false }`
[INFO] [stdout] 2db573e3831c0c2ba5185dadce72e5afe64c4954ee11c371d46a151805fff0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f711ab23e0b56752227302a0419e9133b2e185920a717ab0d870b47f352b7a61
[INFO] running `Command { std: "docker" "start" "-a" "f711ab23e0b56752227302a0419e9133b2e185920a717ab0d870b47f352b7a61", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/message.rs:65:11
[INFO] [stderr]    |
[INFO] [stderr] 65 |   fn from(err: ws::Error) -> Self {
[INFO] [stderr]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/message.rs:73:11
[INFO] [stderr]    |
[INFO] [stderr] 73 |   fn from(err: serde_json::error::Error) -> Self {
[INFO] [stderr]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `message`
[INFO] [stderr]   --> src/message.rs:40:6
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn message(from: &str, to: &str, content: &str) -> Self {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `error`
[INFO] [stderr]   --> src/message.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn error(msg: &str) -> Self {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-ws-chat` (bin "rust-ws-chat" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_ws_chat-5afab6586baac53e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f711ab23e0b56752227302a0419e9133b2e185920a717ab0d870b47f352b7a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f711ab23e0b56752227302a0419e9133b2e185920a717ab0d870b47f352b7a61", kill_on_drop: false }`
[INFO] [stdout] f711ab23e0b56752227302a0419e9133b2e185920a717ab0d870b47f352b7a61