[INFO] cloning repository https://github.com/Abdulrahman-Elfeky/async-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abdulrahman-Elfeky/async-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulrahman-Elfeky%2Fasync-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulrahman-Elfeky%2Fasync-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4db20f99c6686803600a4f655718faf83c722ff
[INFO] testing Abdulrahman-Elfeky/async-chat against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulrahman-Elfeky%2Fasync-chat" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Abdulrahman-Elfeky/async-chat
[INFO] finished tweaking git repo https://github.com/Abdulrahman-Elfeky/async-chat
[INFO] tweaked toml for git repo https://github.com/Abdulrahman-Elfeky/async-chat written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Abdulrahman-Elfeky/async-chat on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Abdulrahman-Elfeky/async-chat 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 099f17762161ddd629d8d85f512f9580bd6d11b3513558e717fbe965276fd85a
[INFO] running `Command { std: "docker" "start" "-a" "099f17762161ddd629d8d85f512f9580bd6d11b3513558e717fbe965276fd85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "099f17762161ddd629d8d85f512f9580bd6d11b3513558e717fbe965276fd85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099f17762161ddd629d8d85f512f9580bd6d11b3513558e717fbe965276fd85a", kill_on_drop: false }`
[INFO] [stdout] 099f17762161ddd629d8d85f512f9580bd6d11b3513558e717fbe965276fd85a
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8b1ae5457ffaf51c85b68496e6e5405e9349067f2bcb7ca5f6c4854670cf4e8
[INFO] running `Command { std: "docker" "start" "-a" "c8b1ae5457ffaf51c85b68496e6e5405e9349067f2bcb7ca5f6c4854670cf4e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling fastrand v2.2.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling futures-lite v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling libc v0.2.165
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling value-bag v1.10.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling async-signal v0.2.10
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.3.0
[INFO] [stderr]    Compiling async-std v1.13.0
[INFO] [stderr]    Compiling async-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/bin/server/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, result, sync::Arc};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eprint`
[INFO] [stdout]  --> src/bin/server/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::{eprint, net::TcpListener, stream::StreamExt, task};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/server/connection.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{BufRead, BufReader, WriteExt},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "c8b1ae5457ffaf51c85b68496e6e5405e9349067f2bcb7ca5f6c4854670cf4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b1ae5457ffaf51c85b68496e6e5405e9349067f2bcb7ca5f6c4854670cf4e8", kill_on_drop: false }`
[INFO] [stdout] c8b1ae5457ffaf51c85b68496e6e5405e9349067f2bcb7ca5f6c4854670cf4e8
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faea0c71de924c4e0db5911f4b78a4ec21175765ec2cf83622055463bc6a6504
[INFO] running `Command { std: "docker" "start" "-a" "faea0c71de924c4e0db5911f4b78a4ec21175765ec2cf83622055463bc6a6504", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]  --> src/bin/server/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, result, sync::Arc};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eprint`
[INFO] [stdout]  --> src/bin/server/main.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use async_std::{eprint, net::TcpListener, stream::StreamExt, task};
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/bin/server/connection.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{BufRead, BufReader, WriteExt},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "faea0c71de924c4e0db5911f4b78a4ec21175765ec2cf83622055463bc6a6504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faea0c71de924c4e0db5911f4b78a4ec21175765ec2cf83622055463bc6a6504", kill_on_drop: false }`
[INFO] [stdout] faea0c71de924c4e0db5911f4b78a4ec21175765ec2cf83622055463bc6a6504
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1ef25f915949fbe339422966e106daf225702b4baa01e803290c8d19b8bbfad
[INFO] running `Command { std: "docker" "start" "-a" "f1ef25f915949fbe339422966e106daf225702b4baa01e803290c8d19b8bbfad", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `result`
[INFO] [stderr]  --> src/bin/server/main.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env, result, sync::Arc};
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `eprint`
[INFO] [stderr]  --> src/bin/server/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use async_std::{eprint, net::TcpListener, stream::StreamExt, task};
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/bin/server/connection.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     io::{BufRead, BufReader, WriteExt},
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-chat` (bin "server" test) generated 3 warnings (run `cargo fix --bin "server" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_chat-29ae3524e060ee3a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::from_client_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/client.rs (/opt/rustwide/target/debug/deps/client-a1996ff89145ff25)
[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]      Running unittests src/bin/server/main.rs (/opt/rustwide/target/debug/deps/server-0b334ee0474f80bf)
[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 async_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" "f1ef25f915949fbe339422966e106daf225702b4baa01e803290c8d19b8bbfad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ef25f915949fbe339422966e106daf225702b4baa01e803290c8d19b8bbfad", kill_on_drop: false }`
[INFO] [stdout] f1ef25f915949fbe339422966e106daf225702b4baa01e803290c8d19b8bbfad
