[INFO] cloning repository https://github.com/dw-labs-org/W25N
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dw-labs-org/W25N" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdw-labs-org%2FW25N", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdw-labs-org%2FW25N'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6384c46d9bd86de2b67e99fa63367a9ad5e7fdd2
[INFO] checking dw-labs-org/W25N against df1ae0f7dd168513de2d89beb2cb7a95d4fdc118 for pr-159343-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdw-labs-org%2FW25N" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dw-labs-org/W25N
[INFO] finished tweaking git repo https://github.com/dw-labs-org/W25N
[INFO] tweaked toml for git repo https://github.com/dw-labs-org/W25N written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dw-labs-org/W25N on toolchain df1ae0f7dd168513de2d89beb2cb7a95d4fdc118
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dw-labs-org/W25N 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" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.11.2
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.88
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded modular-bitfield v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f
[INFO] running `Command { std: "docker" "start" "5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f", 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" "5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f" "/opt/rustwide/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f" "/opt/rustwide/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]     Checking w25n v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::default`
[INFO] [stdout]  --> src/w25n.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::default`
[INFO] [stdout]  --> src/w25n.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/mem.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new(start: PageAddress, end: PageAddress) -> Self {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `QUAD_PROGRAM_DATA_LOAD` is never used
[INFO] [stdout]   --> src/commands.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const QUAD_PROGRAM_DATA_LOAD: u8 = 0x32;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RANDOM_QUAD_PROGRAM_DATA_LOAD` is never used
[INFO] [stdout]   --> src/commands.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const RANDOM_QUAD_PROGRAM_DATA_LOAD: u8 = 0x34;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ` is never used
[INFO] [stdout]   --> src/commands.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const FAST_READ: u8 = 0x0B;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const FAST_READ_4_BYTE_ADDRESS: u8 = 0x0C;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_OUTPUT` is never used
[INFO] [stdout]   --> src/commands.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const FAST_READ_DUAL_OUTPUT: u8 = 0x3B;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_OUTPUT_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const FAST_READ_DUAL_OUTPUT_4_BYTE_ADDRESS: u8 = 0x3C;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_OUTPUT` is never used
[INFO] [stdout]   --> src/commands.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const FAST_READ_QUAD_OUTPUT: u8 = 0x6B;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_OUTPUT_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const FAST_READ_QUAD_OUTPUT_4_BYTE_ADDRESS: u8 = 0x6C;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_IO` is never used
[INFO] [stdout]   --> src/commands.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const FAST_READ_DUAL_IO: u8 = 0xBB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_IO_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const FAST_READ_DUAL_IO_4_BYTE_ADDRESS: u8 = 0xBC;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_IO` is never used
[INFO] [stdout]   --> src/commands.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const FAST_READ_QUAD_IO: u8 = 0xEB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_IO_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const FAST_READ_QUAD_IO_4_BYTE_ADDRESS: u8 = 0xEC;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENABLE_RESET` is never used
[INFO] [stdout]   --> src/commands.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const ENABLE_RESET: u8 = 0x66;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESET_DEVICE` is never used
[INFO] [stdout]   --> src/commands.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const RESET_DEVICE: u8 = 0x99;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reserved` is never used
[INFO] [stdout]   --> src/registers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Status3 {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     reserved: B2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `transfer` are never used
[INFO] [stdout]   --> src/w25n.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | / impl<SPI> W25N<SPI>
[INFO] [stdout] 61 | | where
[INFO] [stdout] 62 | |     SPI: spi::SpiDevice,
[INFO] [stdout]    | |________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |       fn read(&mut self, buf: &mut [u8]) -> WResult<(), SPI> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |       fn transfer(&mut self, read: &mut [u8], write: &[u8]) -> WResult<(), SPI> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/mem.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new(start: PageAddress, end: PageAddress) -> Self {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/w25n.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         self.write_status_1(status);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let _ = self.write_status_1(status);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `QUAD_PROGRAM_DATA_LOAD` is never used
[INFO] [stdout]   --> src/commands.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const QUAD_PROGRAM_DATA_LOAD: u8 = 0x32;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RANDOM_QUAD_PROGRAM_DATA_LOAD` is never used
[INFO] [stdout]   --> src/commands.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const RANDOM_QUAD_PROGRAM_DATA_LOAD: u8 = 0x34;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ` is never used
[INFO] [stdout]   --> src/commands.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const FAST_READ: u8 = 0x0B;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const FAST_READ_4_BYTE_ADDRESS: u8 = 0x0C;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_OUTPUT` is never used
[INFO] [stdout]   --> src/commands.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const FAST_READ_DUAL_OUTPUT: u8 = 0x3B;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_OUTPUT_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const FAST_READ_DUAL_OUTPUT_4_BYTE_ADDRESS: u8 = 0x3C;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_OUTPUT` is never used
[INFO] [stdout]   --> src/commands.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const FAST_READ_QUAD_OUTPUT: u8 = 0x6B;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_OUTPUT_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const FAST_READ_QUAD_OUTPUT_4_BYTE_ADDRESS: u8 = 0x6C;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_IO` is never used
[INFO] [stdout]   --> src/commands.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub const FAST_READ_DUAL_IO: u8 = 0xBB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_DUAL_IO_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const FAST_READ_DUAL_IO_4_BYTE_ADDRESS: u8 = 0xBC;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_IO` is never used
[INFO] [stdout]   --> src/commands.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub const FAST_READ_QUAD_IO: u8 = 0xEB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FAST_READ_QUAD_IO_4_BYTE_ADDRESS` is never used
[INFO] [stdout]   --> src/commands.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub const FAST_READ_QUAD_IO_4_BYTE_ADDRESS: u8 = 0xEC;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENABLE_RESET` is never used
[INFO] [stdout]   --> src/commands.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub const ENABLE_RESET: u8 = 0x66;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESET_DEVICE` is never used
[INFO] [stdout]   --> src/commands.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub const RESET_DEVICE: u8 = 0x99;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reserved` is never used
[INFO] [stdout]   --> src/registers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Status3 {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     reserved: B2,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read` and `transfer` are never used
[INFO] [stdout]   --> src/w25n.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | / impl<SPI> W25N<SPI>
[INFO] [stdout] 61 | | where
[INFO] [stdout] 62 | |     SPI: spi::SpiDevice,
[INFO] [stdout]    | |________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |       fn read(&mut self, buf: &mut [u8]) -> WResult<(), SPI> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |       fn transfer(&mut self, read: &mut [u8], write: &[u8]) -> WResult<(), SPI> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/w25n.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         self.write_status_1(status);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let _ = self.write_status_1(status);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f", kill_on_drop: false }`
[INFO] [stdout] 5dc26538e80ba691806fa4917f57ba0410b7e26d5f78ad9e6d2da1722a4b2f8f
