[INFO] cloning repository https://github.com/z-fujimori/study-rust-websockets-tokio-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z-fujimori/study-rust-websockets-tokio-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz-fujimori%2Fstudy-rust-websockets-tokio-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz-fujimori%2Fstudy-rust-websockets-tokio-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f134c6e38d79ecc3f223abb50f5837b9c2720387
[INFO] testing z-fujimori/study-rust-websockets-tokio-test against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz-fujimori%2Fstudy-rust-websockets-tokio-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/z-fujimori/study-rust-websockets-tokio-test
[INFO] finished tweaking git repo https://github.com/z-fujimori/study-rust-websockets-tokio-test
[INFO] tweaked toml for git repo https://github.com/z-fujimori/study-rust-websockets-tokio-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/z-fujimori/study-rust-websockets-tokio-test on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/z-fujimori/study-rust-websockets-tokio-test 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a366642589bbdb08b933b231e963bfa0352a5bfb33cb3a61af2e81d115fdcdb7
[INFO] running `Command { std: "docker" "start" "-a" "a366642589bbdb08b933b231e963bfa0352a5bfb33cb3a61af2e81d115fdcdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a366642589bbdb08b933b231e963bfa0352a5bfb33cb3a61af2e81d115fdcdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a366642589bbdb08b933b231e963bfa0352a5bfb33cb3a61af2e81d115fdcdb7", kill_on_drop: false }`
[INFO] [stdout] a366642589bbdb08b933b231e963bfa0352a5bfb33cb3a61af2e81d115fdcdb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba3dc38af627ee05a85675d9f4dba3cc405d7dfcbcb3bb922fd46f3837a6bfba
[INFO] running `Command { std: "docker" "start" "-a" "ba3dc38af627ee05a85675d9f4dba3cc405d7dfcbcb3bb922fd46f3837a6bfba", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tungstenite v0.24.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.24.0
[INFO] [stderr]    Compiling rust-websockets-tokio-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (mut write, mut read) = ws_stream.split();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "ba3dc38af627ee05a85675d9f4dba3cc405d7dfcbcb3bb922fd46f3837a6bfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3dc38af627ee05a85675d9f4dba3cc405d7dfcbcb3bb922fd46f3837a6bfba", kill_on_drop: false }`
[INFO] [stdout] ba3dc38af627ee05a85675d9f4dba3cc405d7dfcbcb3bb922fd46f3837a6bfba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09eb72f1b181a9a5d76977e7ec420bf5cf7474fa5dd23c3851e40958b38ac72f
[INFO] running `Command { std: "docker" "start" "-a" "09eb72f1b181a9a5d76977e7ec420bf5cf7474fa5dd23c3851e40958b38ac72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-websockets-tokio-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (mut write, mut read) = ws_stream.split();
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "09eb72f1b181a9a5d76977e7ec420bf5cf7474fa5dd23c3851e40958b38ac72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09eb72f1b181a9a5d76977e7ec420bf5cf7474fa5dd23c3851e40958b38ac72f", kill_on_drop: false }`
[INFO] [stdout] 09eb72f1b181a9a5d76977e7ec420bf5cf7474fa5dd23c3851e40958b38ac72f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbede907cb4dd2ca4a70a4e0bc1df9f2c1f0be91a4fd8ab0c5f7733ffda4a8f8
[INFO] running `Command { std: "docker" "start" "-a" "cbede907cb4dd2ca4a70a4e0bc1df9f2c1f0be91a4fd8ab0c5f7733ffda4a8f8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let (mut write, mut read) = ws_stream.split();
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-websockets-tokio-study` (bin "rust-websockets-tokio-study" test) generated 1 warning (run `cargo fix --bin "rust-websockets-tokio-study" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_websockets_tokio_study-76ab5235d6955494)
[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" "cbede907cb4dd2ca4a70a4e0bc1df9f2c1f0be91a4fd8ab0c5f7733ffda4a8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbede907cb4dd2ca4a70a4e0bc1df9f2c1f0be91a4fd8ab0c5f7733ffda4a8f8", kill_on_drop: false }`
[INFO] [stdout] cbede907cb4dd2ca4a70a4e0bc1df9f2c1f0be91a4fd8ab0c5f7733ffda4a8f8