[INFO] cloning repository https://github.com/EricZZZ/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/EricZZZ/async-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricZZZ%2Fasync-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricZZZ%2Fasync-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ffc038c06b2f74815d4f955d011c1ad3eb7565b
[INFO] testing EricZZZ/async-chat against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEricZZZ%2Fasync-chat" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EricZZZ/async-chat
[INFO] finished tweaking git repo https://github.com/EricZZZ/async-chat
[INFO] tweaked toml for git repo https://github.com/EricZZZ/async-chat written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EricZZZ/async-chat on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EricZZZ/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" "+beta-2026-01-20" "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 wasm-bindgen-futures v0.4.51
[INFO] [stderr]   Downloaded gloo-timers v0.3.0
[INFO] [stderr]   Downloaded async-process v2.4.0
[INFO] [stderr]   Downloaded async-signal v0.2.12
[INFO] [stderr]   Downloaded js-sys v0.3.78
[INFO] [stderr]   Downloaded polling v3.10.0
[INFO] [stderr]   Downloaded async-io v2.5.0
[INFO] [stderr]   Downloaded value-bag v1.11.1
[INFO] [stderr]   Downloaded serde_json v1.0.143
[INFO] [stderr]   Downloaded async-std v1.13.2
[INFO] [stderr]   Downloaded web-sys v0.3.78
[INFO] [stderr]   Downloaded windows-sys v0.61.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad215f60cf17f6e30df9795ddeeb12b00088f45a2b249413e4dbc5b0d5c20947
[INFO] running `Command { std: "docker" "start" "-a" "ad215f60cf17f6e30df9795ddeeb12b00088f45a2b249413e4dbc5b0d5c20947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad215f60cf17f6e30df9795ddeeb12b00088f45a2b249413e4dbc5b0d5c20947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad215f60cf17f6e30df9795ddeeb12b00088f45a2b249413e4dbc5b0d5c20947", kill_on_drop: false }`
[INFO] [stdout] ad215f60cf17f6e30df9795ddeeb12b00088f45a2b249413e4dbc5b0d5c20947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9a182371ec1b6f9a48ca184a6ab23b1c5c64899b504e431a0194a991a5a58dc
[INFO] running `Command { std: "docker" "start" "-a" "f9a182371ec1b6f9a48ca184a6ab23b1c5c64899b504e431a0194a991a5a58dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling polling v3.10.0
[INFO] [stderr]    Compiling async-io v2.5.0
[INFO] [stderr]    Compiling async-signal v0.2.12
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.4.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling async-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "f9a182371ec1b6f9a48ca184a6ab23b1c5c64899b504e431a0194a991a5a58dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a182371ec1b6f9a48ca184a6ab23b1c5c64899b504e431a0194a991a5a58dc", kill_on_drop: false }`
[INFO] [stdout] f9a182371ec1b6f9a48ca184a6ab23b1c5c64899b504e431a0194a991a5a58dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd9f13748f894b4590a785472ac45446076d77064316d6fe41b0be5ef3ce87f5
[INFO] running `Command { std: "docker" "start" "-a" "dd9f13748f894b4590a785472ac45446076d77064316d6fe41b0be5ef3ce87f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "dd9f13748f894b4590a785472ac45446076d77064316d6fe41b0be5ef3ce87f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9f13748f894b4590a785472ac45446076d77064316d6fe41b0be5ef3ce87f5", kill_on_drop: false }`
[INFO] [stdout] dd9f13748f894b4590a785472ac45446076d77064316d6fe41b0be5ef3ce87f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73512ebad2ca901969faca0505c18659343cd9a9e45a2ca47f8bd76759b6a4a2
[INFO] running `Command { std: "docker" "start" "-a" "73512ebad2ca901969faca0505c18659343cd9a9e45a2ca47f8bd76759b6a4a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_chat-222f1c5c92f5e7dd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_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-bcc0e1880d64572e)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/server/main.rs (/opt/rustwide/target/debug/deps/server-ac943b945b041124)
[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] [stdout] 
[INFO] [stderr]    Doc-tests async_chat
[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] [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" "73512ebad2ca901969faca0505c18659343cd9a9e45a2ca47f8bd76759b6a4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73512ebad2ca901969faca0505c18659343cd9a9e45a2ca47f8bd76759b6a4a2", kill_on_drop: false }`
[INFO] [stdout] 73512ebad2ca901969faca0505c18659343cd9a9e45a2ca47f8bd76759b6a4a2