[INFO] cloning repository https://github.com/max619/wiznet-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max619/wiznet-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax619%2Fwiznet-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax619%2Fwiznet-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8da75d33f013b76eaec21d8266ac9cf8b87bc756
[INFO] testing max619/wiznet-rs against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax619%2Fwiznet-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/max619/wiznet-rs
[INFO] finished tweaking git repo https://github.com/max619/wiznet-rs
[INFO] tweaked toml for git repo https://github.com/max619/wiznet-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/max619/wiznet-rs on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/max619/wiznet-rs 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" "+1.99.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459
[INFO] running `Command { std: "docker" "start" "daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling stm32f1 v0.16.0
[INFO] [stderr]    Compiling stm32-usbd v0.8.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling embedded-can v0.4.1
[INFO] [stderr]    Compiling stm32f1xx-hal v0.11.0
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling bitflags v2.13.0
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stderr]    Compiling bxcan v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling fugit v0.3.9
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling embedded-hal-bus v0.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling wiznet-rs v0.1.0 (/opt/rustwide/workdir/wiznet-rs)
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling fugit-timer v0.1.3
[INFO] [stdout] warning: constant `SIR` is never used
[INFO] [stdout]   --> wiznet-rs/src/lib.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 | const SIR: Address = Address {
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicCellGuard` is never constructed
[INFO] [stdout]  --> wiznet-rs/src/atomic_cell.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct AtomicCellGuard<'a, T: ?Sized> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AtomicLock` is never used
[INFO] [stdout]   --> wiznet-rs/src/atomic_cell.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait AtomicLock<T> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_u32` is never used
[INFO] [stdout]    --> wiznet-rs/src/transiver.rs:266:26
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<D: SpiDmaDevice> Transceiver<D> {
[INFO] [stdout]     | ------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 266 |     impl_read_primitive!(read_u32, u32);
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_read_primitive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_PSR` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SN_PSR: u16 = 0x0004;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_ESR` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const SN_ESR: u16 = 0x0031;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_PNR` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const SN_PNR: u16 = 0x0100;
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_TOSR` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const SN_TOSR: u16 = 0x0104;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_TTLR` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | const SN_TTLR: u16 = 0x0108;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_FRGR0` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const SN_FRGR0: u16 = 0x010C;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_FRGR1` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const SN_FRGR1: u16 = 0x010D;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_MSSR0` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const SN_MSSR0: u16 = 0x0110;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_MSSR1` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | const SN_MSSR1: u16 = 0x0111;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_PORTR1` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | const SN_PORTR1: u16 = 0x0115;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DHAR0` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | const SN_DHAR0: u16 = 0x0118;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DHAR1` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | const SN_DHAR1: u16 = 0x0119;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DHAR2` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | const SN_DHAR2: u16 = 0x011A;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DHAR3` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 | const SN_DHAR3: u16 = 0x011B;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DHAR4` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:73:7
[INFO] [stdout]    |
[INFO] [stdout] 73 | const SN_DHAR4: u16 = 0x011C;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DHAR5` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | const SN_DHAR5: u16 = 0x011D;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIPR1` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 | const SN_DIPR1: u16 = 0x0121;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIPR2` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 | const SN_DIPR2: u16 = 0x0122;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIPR3` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | const SN_DIPR3: u16 = 0x0123;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R0` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:91:7
[INFO] [stdout]    |
[INFO] [stdout] 91 | const SN_DIP6R0: u16 = 0x0130;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R1` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:94:7
[INFO] [stdout]    |
[INFO] [stdout] 94 | const SN_DIP6R1: u16 = 0x0131;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R2` is never used
[INFO] [stdout]   --> wiznet-rs/src/socket_common.rs:97:7
[INFO] [stdout]    |
[INFO] [stdout] 97 | const SN_DIP6R2: u16 = 0x0132;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R3` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 | const SN_DIP6R3: u16 = 0x0133;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R4` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:103:7
[INFO] [stdout]     |
[INFO] [stdout] 103 | const SN_DIP6R4: u16 = 0x0134;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R5` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 | const SN_DIP6R5: u16 = 0x0135;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R6` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:109:7
[INFO] [stdout]     |
[INFO] [stdout] 109 | const SN_DIP6R6: u16 = 0x0136;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R7` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:112:7
[INFO] [stdout]     |
[INFO] [stdout] 112 | const SN_DIP6R7: u16 = 0x0137;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R8` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:115:7
[INFO] [stdout]     |
[INFO] [stdout] 115 | const SN_DIP6R8: u16 = 0x0138;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R9` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | const SN_DIP6R9: u16 = 0x0139;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R10` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:121:7
[INFO] [stdout]     |
[INFO] [stdout] 121 | const SN_DIP6R10: u16 = 0x013A;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R11` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:124:7
[INFO] [stdout]     |
[INFO] [stdout] 124 | const SN_DIP6R11: u16 = 0x013B;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R12` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:127:7
[INFO] [stdout]     |
[INFO] [stdout] 127 | const SN_DIP6R12: u16 = 0x013C;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R13` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:130:7
[INFO] [stdout]     |
[INFO] [stdout] 130 | const SN_DIP6R13: u16 = 0x013D;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R14` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:133:7
[INFO] [stdout]     |
[INFO] [stdout] 133 | const SN_DIP6R14: u16 = 0x013E;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DIP6R15` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:136:7
[INFO] [stdout]     |
[INFO] [stdout] 136 | const SN_DIP6R15: u16 = 0x013F;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_DPORTR1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:142:7
[INFO] [stdout]     |
[INFO] [stdout] 142 | const SN_DPORTR1: u16 = 0x0141;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_MR2` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:145:7
[INFO] [stdout]     |
[INFO] [stdout] 145 | const SN_MR2: u16 = 0x0144;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RTR0` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 | const SN_RTR0: u16 = 0x0180;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RTR1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 | const SN_RTR1: u16 = 0x0181;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RCR` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:154:7
[INFO] [stdout]     |
[INFO] [stdout] 154 | const SN_RCR: u16 = 0x0184;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_KPALVTR` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:157:7
[INFO] [stdout]     |
[INFO] [stdout] 157 | const SN_KPALVTR: u16 = 0x0188;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_TX_BSR` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 | const SN_TX_BSR: u16 = 0x0200;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_TX_FSR1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:166:7
[INFO] [stdout]     |
[INFO] [stdout] 166 | const SN_TX_FSR1: u16 = 0x0205;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_TX_RD0` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:169:7
[INFO] [stdout]     |
[INFO] [stdout] 169 | const SN_TX_RD0: u16 = 0x0208;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_TX_RD1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | const SN_TX_RD1: u16 = 0x0209;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_TX_WR1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:178:7
[INFO] [stdout]     |
[INFO] [stdout] 178 | const SN_TX_WR1: u16 = 0x020D;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RX_BSR` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:181:7
[INFO] [stdout]     |
[INFO] [stdout] 181 | const SN_RX_BSR: u16 = 0x0220;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RX_RSR1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:187:7
[INFO] [stdout]     |
[INFO] [stdout] 187 | const SN_RX_RSR1: u16 = 0x0225;
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RX_RD1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:193:7
[INFO] [stdout]     |
[INFO] [stdout] 193 | const SN_RX_RD1: u16 = 0x0229;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RX_WR0` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:196:7
[INFO] [stdout]     |
[INFO] [stdout] 196 | const SN_RX_WR0: u16 = 0x022C;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SN_RX_WR1` is never used
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:199:7
[INFO] [stdout]     |
[INFO] [stdout] 199 | const SN_RX_WR1: u16 = 0x022D;
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `None`, `Connect6`, `Send6`, and `SendKeep` are never constructed
[INFO] [stdout]    --> wiznet-rs/src/socket_common.rs:214:5
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub(crate) enum SocketCommand {
[INFO] [stdout]     |                 ------------- variants in this enum
[INFO] [stdout] 214 |     None = 0,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     Connect6 = 0x84,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 227 |     Send6 = 0xA0,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 228 |
[INFO] [stdout] 229 |     SendKeep = 0x22,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SocketCommand` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling static_cell v2.1.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling echo v0.1.0 (/opt/rustwide/workdir/examples/echo)
[INFO] [stdout] warning: unused import: `PullUp`
[INFO] [stdout]   --> examples/echo/src/main.rs:14:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |     gpio::{Edge, ExtiPin, Input, Output, Pin, PullUp},
[INFO] [stdout]    |                                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echo` (bin "echo") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459", kill_on_drop: false }`
[INFO] [stdout] daa9f8aa85d3793ba247c5cff4e78996288660e38d733474fce6e10075520459
