[INFO] cloning repository https://github.com/ShashwatGauniyal/rust-global-chat-application
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShashwatGauniyal/rust-global-chat-application" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShashwatGauniyal%2Frust-global-chat-application", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShashwatGauniyal%2Frust-global-chat-application'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf4c2e0bd3c0a9bc688d0a58d2060d99a226fd44
[INFO] testing ShashwatGauniyal/rust-global-chat-application against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShashwatGauniyal%2Frust-global-chat-application" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/ShashwatGauniyal/rust-global-chat-application
[INFO] finished tweaking git repo https://github.com/ShashwatGauniyal/rust-global-chat-application
[INFO] tweaked toml for git repo https://github.com/ShashwatGauniyal/rust-global-chat-application written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ShashwatGauniyal/rust-global-chat-application on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ShashwatGauniyal/rust-global-chat-application 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d901d20c360b160f21572cb286c94f2eae81143e995947d85c16276ccbf957f
[INFO] running `Command { std: "docker" "start" "-a" "5d901d20c360b160f21572cb286c94f2eae81143e995947d85c16276ccbf957f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d901d20c360b160f21572cb286c94f2eae81143e995947d85c16276ccbf957f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d901d20c360b160f21572cb286c94f2eae81143e995947d85c16276ccbf957f", kill_on_drop: false }`
[INFO] [stdout] 5d901d20c360b160f21572cb286c94f2eae81143e995947d85c16276ccbf957f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8c4530d71d3242a5085ab241b99cf0d06512fc8b7208d954c0c5cb0befc38e6
[INFO] running `Command { std: "docker" "start" "-a" "f8c4530d71d3242a5085ab241b99cf0d06512fc8b7208d954c0c5cb0befc38e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling lock_api v0.4.14
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[INFO] [stderr]    Compiling tracing-core v0.1.36
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[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling encoding_rs v0.8.35
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[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zerofrom v0.1.6
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[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tungstenite v0.21.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling warp v0.3.7
[INFO] [stderr]    Compiling rusty-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "f8c4530d71d3242a5085ab241b99cf0d06512fc8b7208d954c0c5cb0befc38e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c4530d71d3242a5085ab241b99cf0d06512fc8b7208d954c0c5cb0befc38e6", kill_on_drop: false }`
[INFO] [stdout] f8c4530d71d3242a5085ab241b99cf0d06512fc8b7208d954c0c5cb0befc38e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a04823ff4f70167b5f2de9b94d459193060708e8d13a0b87fdd6ffbbe4bbec3
[INFO] running `Command { std: "docker" "start" "-a" "8a04823ff4f70167b5f2de9b94d459193060708e8d13a0b87fdd6ffbbe4bbec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hub.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let mut rt = Runtime::new().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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "8a04823ff4f70167b5f2de9b94d459193060708e8d13a0b87fdd6ffbbe4bbec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a04823ff4f70167b5f2de9b94d459193060708e8d13a0b87fdd6ffbbe4bbec3", kill_on_drop: false }`
[INFO] [stdout] 8a04823ff4f70167b5f2de9b94d459193060708e8d13a0b87fdd6ffbbe4bbec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4389a022f43aeb1d8f5310125a224583b8ff424b05c62e68e74ecb7406d12f0
[INFO] running `Command { std: "docker" "start" "-a" "f4389a022f43aeb1d8f5310125a224583b8ff424b05c62e68e74ecb7406d12f0", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hub.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |         let mut rt = Runtime::new().unwrap();
[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: `rusty-chat` (lib test) generated 1 warning (run `cargo fix --lib -p rusty-chat --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_chat-377be742d53be29c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test hub::tests::join_and_post ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_chat-5f509381e5fa1d43)
[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] [stderr]    Doc-tests rusty_chat
[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" "f4389a022f43aeb1d8f5310125a224583b8ff424b05c62e68e74ecb7406d12f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4389a022f43aeb1d8f5310125a224583b8ff424b05c62e68e74ecb7406d12f0", kill_on_drop: false }`
[INFO] [stdout] f4389a022f43aeb1d8f5310125a224583b8ff424b05c62e68e74ecb7406d12f0
