[INFO] cloning repository https://github.com/fresh88888888/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/fresh88888888/async-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffresh88888888%2Fasync-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffresh88888888%2Fasync-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee96f0c8ccd7ffc7bcdd95058a6d9bd529c66dde
[INFO] checking fresh88888888/async-chat against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffresh88888888%2Fasync-chat" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fresh88888888/async-chat on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fresh88888888/async-chat
[INFO] finished tweaking git repo https://github.com/fresh88888888/async-chat
[INFO] tweaked toml for git repo https://github.com/fresh88888888/async-chat written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fresh88888888/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v1.3.1
[INFO] [stderr]   Downloaded async-task v4.4.0
[INFO] [stderr]   Downloaded parking v2.1.0
[INFO] [stderr]   Downloaded serde v1.0.174
[INFO] [stderr]   Downloaded async-lock v2.7.0
[INFO] [stderr]   Downloaded atomic-waker v1.1.1
[INFO] [stderr]   Downloaded async-process v1.7.0
[INFO] [stderr]   Downloaded serde_derive v1.0.174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcbfec5ff9f8a6715645f838231c4a9c74a9f0c348da0fd9efd0db6ebb18ed32
[INFO] running `Command { std: "docker" "start" "-a" "fcbfec5ff9f8a6715645f838231c4a9c74a9f0c348da0fd9efd0db6ebb18ed32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcbfec5ff9f8a6715645f838231c4a9c74a9f0c348da0fd9efd0db6ebb18ed32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcbfec5ff9f8a6715645f838231c4a9c74a9f0c348da0fd9efd0db6ebb18ed32", kill_on_drop: false }`
[INFO] [stdout] fcbfec5ff9f8a6715645f838231c4a9c74a9f0c348da0fd9efd0db6ebb18ed32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78b7e37a90af6fe7cb1c41fa5f9d5d768582a16b2441b37801d539cdc2edddc1
[INFO] running `Command { std: "docker" "start" "-a" "78b7e37a90af6fe7cb1c41fa5f9d5d768582a16b2441b37801d539cdc2edddc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking async-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.56s
[INFO] running `Command { std: "docker" "inspect" "78b7e37a90af6fe7cb1c41fa5f9d5d768582a16b2441b37801d539cdc2edddc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b7e37a90af6fe7cb1c41fa5f9d5d768582a16b2441b37801d539cdc2edddc1", kill_on_drop: false }`
[INFO] [stdout] 78b7e37a90af6fe7cb1c41fa5f9d5d768582a16b2441b37801d539cdc2edddc1
[INFO] checking fresh88888888/async-chat against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffresh88888888%2Fasync-chat" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fresh88888888/async-chat on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fresh88888888/async-chat
[INFO] finished tweaking git repo https://github.com/fresh88888888/async-chat
[INFO] tweaked toml for git repo https://github.com/fresh88888888/async-chat written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fresh88888888/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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90888ad786d11ac00fe473982a733ee38f2376e65eab9599cb4abe705c7f5c01
[INFO] running `Command { std: "docker" "start" "-a" "90888ad786d11ac00fe473982a733ee38f2376e65eab9599cb4abe705c7f5c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90888ad786d11ac00fe473982a733ee38f2376e65eab9599cb4abe705c7f5c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90888ad786d11ac00fe473982a733ee38f2376e65eab9599cb4abe705c7f5c01", kill_on_drop: false }`
[INFO] [stdout] 90888ad786d11ac00fe473982a733ee38f2376e65eab9599cb4abe705c7f5c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c5ee14b92484b2201b16955c200344f4c2fba4a48b05ff9aa2dbe18ec22be3
[INFO] running `Command { std: "docker" "start" "-a" "60c5ee14b92484b2201b16955c200344f4c2fba4a48b05ff9aa2dbe18ec22be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking async-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `Command { std: "docker" "inspect" "60c5ee14b92484b2201b16955c200344f4c2fba4a48b05ff9aa2dbe18ec22be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c5ee14b92484b2201b16955c200344f4c2fba4a48b05ff9aa2dbe18ec22be3", kill_on_drop: false }`
[INFO] [stdout] 60c5ee14b92484b2201b16955c200344f4c2fba4a48b05ff9aa2dbe18ec22be3