[INFO] cloning repository https://github.com/ram4ik/rust_chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ram4ik/rust_chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fram4ik%2Frust_chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fram4ik%2Frust_chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e467963108d34e84c5dce1035e2a9be29e54b64f
[INFO] checking ram4ik/rust_chat against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fram4ik%2Frust_chat" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ram4ik/rust_chat on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ram4ik/rust_chat
[INFO] finished tweaking git repo https://github.com/ram4ik/rust_chat
[INFO] tweaked toml for git repo https://github.com/ram4ik/rust_chat written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ram4ik/rust_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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket_ws v0.1.0
[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded yansi v1.0.0-rc.1
[INFO] [stderr]   Downloaded ubyte v0.10.4
[INFO] [stderr]   Downloaded hermit-abi v0.3.5
[INFO] [stderr]   Downloaded state v0.6.0
[INFO] [stderr]   Downloaded is-terminal v0.4.11
[INFO] [stderr]   Downloaded devise v0.4.1
[INFO] [stderr]   Downloaded devise_codegen v0.4.1
[INFO] [stderr]   Downloaded pear_codegen v0.2.8
[INFO] [stderr]   Downloaded pear v0.2.8
[INFO] [stderr]   Downloaded uncased v0.9.10
[INFO] [stderr]   Downloaded devise_core v0.4.1
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.22
[INFO] [stderr]   Downloaded atomic v0.5.3
[INFO] [stderr]   Downloaded bytemuck v1.14.3
[INFO] [stderr]   Downloaded indexmap v2.2.2
[INFO] [stderr]   Downloaded toml_edit v0.22.4
[INFO] [stderr]   Downloaded winnow v0.5.39
[INFO] [stderr]   Downloaded rocket v0.5.0
[INFO] [stderr]   Downloaded rocket_codegen v0.5.0
[INFO] [stderr]   Downloaded rocket_http v0.5.0
[INFO] [stderr]   Downloaded cookie v0.18.0
[INFO] [stderr]   Downloaded atomic v0.6.0
[INFO] [stderr]   Downloaded proc-macro2-diagnostics v0.10.1
[INFO] [stderr]   Downloaded ref-cast v1.0.22
[INFO] [stderr]   Downloaded figment v0.10.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b225c2464dbccb507baa81f8033f5151de5c1ae10c837675a23795a26306cf2f
[INFO] running `Command { std: "docker" "start" "-a" "b225c2464dbccb507baa81f8033f5151de5c1ae10c837675a23795a26306cf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b225c2464dbccb507baa81f8033f5151de5c1ae10c837675a23795a26306cf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b225c2464dbccb507baa81f8033f5151de5c1ae10c837675a23795a26306cf2f", kill_on_drop: false }`
[INFO] [stdout] b225c2464dbccb507baa81f8033f5151de5c1ae10c837675a23795a26306cf2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c1fe6c7f38888f132726fd7be138e57bfa69a4b2715c8bfef5ccd72a12f6fd4
[INFO] running `Command { std: "docker" "start" "-a" "0c1fe6c7f38888f132726fd7be138e57bfa69a4b2715c8bfef5ccd72a12f6fd4", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cookie v0.18.0
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling ref-cast v1.0.22
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking winnow v0.5.39
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling figment v0.10.14
[INFO] [stderr]    Compiling state v0.6.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling rocket v0.5.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking frontend v0.1.0 (/opt/rustwide/workdir/frontend)
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking is-terminal v0.4.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking yansi v1.0.0-rc.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]    Compiling devise_core v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pear_codegen v0.2.8
[INFO] [stderr]    Compiling ref-cast-impl v1.0.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling devise_codegen v0.4.1
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking pear v0.2.8
[INFO] [stderr]    Compiling devise v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking indexmap v2.2.2
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking ubyte v0.10.4
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking toml_edit v0.22.4
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking rocket_http v0.5.0
[INFO] [stderr]    Compiling rocket_codegen v0.5.0
[INFO] [stderr]     Checking rocket_ws v0.1.0
[INFO] [stderr]     Checking backend v0.1.0 (/opt/rustwide/workdir/backend)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "0c1fe6c7f38888f132726fd7be138e57bfa69a4b2715c8bfef5ccd72a12f6fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1fe6c7f38888f132726fd7be138e57bfa69a4b2715c8bfef5ccd72a12f6fd4", kill_on_drop: false }`
[INFO] [stdout] 0c1fe6c7f38888f132726fd7be138e57bfa69a4b2715c8bfef5ccd72a12f6fd4