[INFO] cloning repository https://github.com/khetzl/zfx-socket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khetzl/zfx-socket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhetzl%2Fzfx-socket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhetzl%2Fzfx-socket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d6f16d8e5ade4358881a1cd33b9350c03728b9a
[INFO] checking khetzl/zfx-socket against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhetzl%2Fzfx-socket" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khetzl/zfx-socket 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/khetzl/zfx-socket
[INFO] finished tweaking git repo https://github.com/khetzl/zfx-socket
[INFO] tweaked toml for git repo https://github.com/khetzl/zfx-socket written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8a74bc624868b16980af453e53a8a27c209f0ca3e15b33b75fba8d22df9463ef
[INFO] running `Command { std: "docker" "start" "-a" "8a74bc624868b16980af453e53a8a27c209f0ca3e15b33b75fba8d22df9463ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a74bc624868b16980af453e53a8a27c209f0ca3e15b33b75fba8d22df9463ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a74bc624868b16980af453e53a8a27c209f0ca3e15b33b75fba8d22df9463ef", kill_on_drop: false }`
[INFO] [stdout] 8a74bc624868b16980af453e53a8a27c209f0ca3e15b33b75fba8d22df9463ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8143dd99bc0a267ca9e8d261291cd3c21ff2f7b77f7382976c7b3f60a729cfe1
[INFO] running `Command { std: "docker" "start" "-a" "8143dd99bc0a267ca9e8d261291cd3c21ff2f7b77f7382976c7b3f60a729cfe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking zfx-socket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `send_handler` and `receive_handler` are never read
[INFO] [stdout]   --> src/active.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Socket {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 26 |     send_handler: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     send_tx: mpsc::Sender<SocketHandlerMsg>,
[INFO] [stdout] 28 |     receive_handler: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Socket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `send_handler` and `receive_handler` are never read
[INFO] [stdout]   --> src/active.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct Socket {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 26 |     send_handler: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     send_tx: mpsc::Sender<SocketHandlerMsg>,
[INFO] [stdout] 28 |     receive_handler: JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Socket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `msg` is never read
[INFO] [stdout]   --> tests/one_to_one.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Response { msg: IncomingMsg },
[INFO] [stdout]    |     --------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.58s
[INFO] running `Command { std: "docker" "inspect" "8143dd99bc0a267ca9e8d261291cd3c21ff2f7b77f7382976c7b3f60a729cfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8143dd99bc0a267ca9e8d261291cd3c21ff2f7b77f7382976c7b3f60a729cfe1", kill_on_drop: false }`
[INFO] [stdout] 8143dd99bc0a267ca9e8d261291cd3c21ff2f7b77f7382976c7b3f60a729cfe1