[INFO] cloning repository https://github.com/SobrancelhaDoDragao/Chat_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SobrancelhaDoDragao/Chat_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSobrancelhaDoDragao%2FChat_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSobrancelhaDoDragao%2FChat_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41bbd3bb719accd19a82dfbc3387d3daa9082ee7
[INFO] checking SobrancelhaDoDragao/Chat_app against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSobrancelhaDoDragao%2FChat_app" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SobrancelhaDoDragao/Chat_app on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SobrancelhaDoDragao/Chat_app
[INFO] finished tweaking git repo https://github.com/SobrancelhaDoDragao/Chat_app
[INFO] tweaked toml for git repo https://github.com/SobrancelhaDoDragao/Chat_app written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SobrancelhaDoDragao/Chat_app 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adaacc783332e2ef2b1dda2da9254e1991a8608b1926a18792993363c3a6ba39
[INFO] running `Command { std: "docker" "start" "-a" "adaacc783332e2ef2b1dda2da9254e1991a8608b1926a18792993363c3a6ba39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adaacc783332e2ef2b1dda2da9254e1991a8608b1926a18792993363c3a6ba39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adaacc783332e2ef2b1dda2da9254e1991a8608b1926a18792993363c3a6ba39", kill_on_drop: false }`
[INFO] [stdout] adaacc783332e2ef2b1dda2da9254e1991a8608b1926a18792993363c3a6ba39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b5374b842ed03e9be7e60deeb9b758bc895d05b48d2d45e51f90702ea8c5851
[INFO] running `Command { std: "docker" "start" "-a" "4b5374b842ed03e9be7e60deeb9b758bc895d05b48d2d45e51f90702ea8c5851", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking futures-channel v0.3.29
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rustix v0.38.21
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking chat_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.68s
[INFO] running `Command { std: "docker" "inspect" "4b5374b842ed03e9be7e60deeb9b758bc895d05b48d2d45e51f90702ea8c5851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5374b842ed03e9be7e60deeb9b758bc895d05b48d2d45e51f90702ea8c5851", kill_on_drop: false }`
[INFO] [stdout] 4b5374b842ed03e9be7e60deeb9b758bc895d05b48d2d45e51f90702ea8c5851
[INFO] checking SobrancelhaDoDragao/Chat_app against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSobrancelhaDoDragao%2FChat_app" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SobrancelhaDoDragao/Chat_app on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SobrancelhaDoDragao/Chat_app
[INFO] finished tweaking git repo https://github.com/SobrancelhaDoDragao/Chat_app
[INFO] tweaked toml for git repo https://github.com/SobrancelhaDoDragao/Chat_app written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SobrancelhaDoDragao/Chat_app 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] feb5b9397b3221d9a0a1c732ed9f5ee14f91da29e0891b31abc18ab67e1605a4
[INFO] running `Command { std: "docker" "start" "-a" "feb5b9397b3221d9a0a1c732ed9f5ee14f91da29e0891b31abc18ab67e1605a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feb5b9397b3221d9a0a1c732ed9f5ee14f91da29e0891b31abc18ab67e1605a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb5b9397b3221d9a0a1c732ed9f5ee14f91da29e0891b31abc18ab67e1605a4", kill_on_drop: false }`
[INFO] [stdout] feb5b9397b3221d9a0a1c732ed9f5ee14f91da29e0891b31abc18ab67e1605a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 205d78fbb614916ac96b42bc10aa87f1ab721644af0409221c210a1615f0aa25
[INFO] running `Command { std: "docker" "start" "-a" "205d78fbb614916ac96b42bc10aa87f1ab721644af0409221c210a1615f0aa25", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking futures-channel v0.3.29
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rustix v0.38.21
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking chat_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "205d78fbb614916ac96b42bc10aa87f1ab721644af0409221c210a1615f0aa25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205d78fbb614916ac96b42bc10aa87f1ab721644af0409221c210a1615f0aa25", kill_on_drop: false }`
[INFO] [stdout] 205d78fbb614916ac96b42bc10aa87f1ab721644af0409221c210a1615f0aa25