[INFO] cloning repository https://github.com/CarlKCarlK/serials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarlKCarlK/serials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlKCarlK%2Fserials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlKCarlK%2Fserials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc8a349529622c384e6b5512f6a2640f3346b348
[INFO] checking CarlKCarlK/serials against master#ab1d2444533d829e2d5cff6634cd3c70de6d7103 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlKCarlK%2Fserials" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/CarlKCarlK/serials
[INFO] finished tweaking git repo https://github.com/CarlKCarlK/serials
[INFO] tweaked toml for git repo https://github.com/CarlKCarlK/serials written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CarlKCarlK/serials on toolchain ab1d2444533d829e2d5cff6634cd3c70de6d7103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CarlKCarlK/serials 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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rp2040-hal-macros v0.1.0
[INFO] [stderr]   Downloaded rp-hal-common v0.1.0
[INFO] [stderr]   Downloaded bitfield v0.14.0
[INFO] [stderr]   Downloaded thiserror-impl v2.0.3
[INFO] [stderr]   Downloaded thiserror v2.0.3
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded smart-leds v0.4.0
[INFO] [stderr]   Downloaded embassy-time v0.5.0
[INFO] [stderr]   Downloaded defmt-rtt v1.1.0
[INFO] [stderr]   Downloaded embassy-executor-macros v0.7.0
[INFO] [stderr]   Downloaded embassy-usb-driver v0.2.0
[INFO] [stderr]   Downloaded embassy-embedded-hal v0.5.0
[INFO] [stderr]   Downloaded embassy-executor v0.9.1
[INFO] [stderr]   Downloaded term v1.2.0
[INFO] [stderr]   Downloaded crc-any v2.5.0
[INFO] [stderr]   Downloaded rp2040-hal v0.11.0
[INFO] [stderr]   Downloaded embassy-sync v0.7.2
[INFO] [stderr]   Downloaded embassy-futures v0.1.2
[INFO] [stderr]   Downloaded embassy-rp v0.8.0
[INFO] [stderr]   Downloaded pio-proc v0.3.0
[INFO] [stderr]   Downloaded fixed v1.28.0
[INFO] [stderr]   Downloaded lalrpop v0.22.2
[INFO] [stderr]   Downloaded heapless v0.9.1
[INFO] [stderr]   Downloaded pio v0.3.0
[INFO] [stderr]   Downloaded smart-leds-trait v0.3.2
[INFO] [stderr]   Downloaded embedded-hal-bus v0.3.0
[INFO] [stderr]   Downloaded embassy-hal-internal v0.3.0
[INFO] [stderr]   Downloaded rp2040-boot2 v0.3.0
[INFO] [stderr]   Downloaded pio-core v0.3.0
[INFO] [stderr]   Downloaded pio-parser v0.3.0
[INFO] [stderr]   Downloaded rp2040-pac v0.6.0
[INFO] [stderr]   Downloaded esp-hal-mfrc522 v0.3.2
[INFO] [stderr]   Downloaded pio v0.2.1
[INFO] [stderr]   Downloaded rp-binary-info v0.1.1
[INFO] [stderr]   Downloaded embassy-executor-timer-queue v0.1.0
[INFO] [stderr]   Downloaded embassy-time-queue-utils v0.3.0
[INFO] [stderr]   Downloaded embedded-storage v0.3.1
[INFO] [stderr]   Downloaded embedded-storage-async v0.4.1
[INFO] [stderr]   Downloaded lalrpop-util v0.22.2
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded rp-pac v7.0.0
[INFO] [stderr]   Downloaded hd44780-driver v0.4.0
[INFO] [stderr]   Downloaded sha2-const-stable v0.1.0
[INFO] [stderr]   Downloaded embassy-time-driver v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be45caa5ac11db4ccd78e89cdce632f9b5a8eaffc81313177dff4ee5de70fe1e
[INFO] running `Command { std: "docker" "start" "-a" "be45caa5ac11db4ccd78e89cdce632f9b5a8eaffc81313177dff4ee5de70fe1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be45caa5ac11db4ccd78e89cdce632f9b5a8eaffc81313177dff4ee5de70fe1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be45caa5ac11db4ccd78e89cdce632f9b5a8eaffc81313177dff4ee5de70fe1e", kill_on_drop: false }`
[INFO] [stdout] be45caa5ac11db4ccd78e89cdce632f9b5a8eaffc81313177dff4ee5de70fe1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cbd7ab7c16bb53640c6fdc4aa2b12282c4b204123933ff5f769f75319fc4a8e
[INFO] running `Command { std: "docker" "start" "-a" "3cbd7ab7c16bb53640c6fdc4aa2b12282c4b204123933ff5f769f75319fc4a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling term v1.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]    Compiling embassy-time-driver v0.2.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling crc-any v2.5.0
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling embassy-hal-internal v0.3.0
[INFO] [stderr]    Compiling embassy-sync v0.7.2
[INFO] [stderr]    Compiling frunk_core v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling embassy-time-queue-utils v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling rp2040-boot2 v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fixed v1.28.0
[INFO] [stderr]     Checking embedded-storage v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling atomic-polyfill v1.0.3
[INFO] [stderr]     Checking embassy-executor-timer-queue v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling rp-pac v7.0.0
[INFO] [stderr]    Compiling rp2040-pac v0.6.0
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking smart-leds-trait v0.3.2
[INFO] [stderr]     Checking embedded-storage-async v0.4.1
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking bytemuck v1.20.0
[INFO] [stderr]    Compiling embassy-rp v0.8.0
[INFO] [stderr]    Compiling embassy-executor v0.9.1
[INFO] [stderr]     Checking embassy-futures v0.1.2
[INFO] [stderr]    Compiling defmt-rtt v1.1.0
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling panic-probe v1.0.0
[INFO] [stderr]     Checking usb-device v0.3.2
[INFO] [stderr]     Checking smart-leds v0.4.0
[INFO] [stderr]     Checking rp-hal-common v0.1.0
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking sha2-const-stable v0.1.0
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rp-binary-info v0.1.1
[INFO] [stderr]     Checking esp-hal-mfrc522 v0.3.2
[INFO] [stderr]     Checking embedded-hal-bus v0.3.0
[INFO] [stderr]     Checking hd44780-driver v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling serials v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling frunk_derives v0.4.3
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]    Compiling lalrpop-util v0.22.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking pio v0.2.1
[INFO] [stderr]     Checking frunk v0.4.3
[INFO] [stderr]    Compiling lalrpop v0.22.2
[INFO] [stderr]    Compiling num_enum v0.7.4
[INFO] [stderr]     Checking pio-core v0.3.0
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]     Checking rp2040-hal v0.11.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling embassy-executor-macros v0.7.0
[INFO] [stderr]     Checking embassy-usb-driver v0.2.0
[INFO] [stderr]     Checking embassy-time v0.5.0
[INFO] [stderr]     Checking defmt v0.3.100
[INFO] [stderr]     Checking embassy-embedded-hal v0.5.0
[INFO] [stderr]    Compiling pio-parser v0.3.0
[INFO] [stderr]    Compiling pio-proc v0.3.0
[INFO] [stderr]     Checking pio v0.3.0
[INFO] [stdout] warning: unused imports: `info` and `warn`
[INFO] [stdout]  --> examples/ir_pio_read.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use defmt::{info, warn};
[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: `embassy_futures::select::select`
[INFO] [stdout]  --> examples/ir_pio_read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use embassy_futures::select::select;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Input` and `Pull`
[INFO] [stdout]  --> examples/ir_pio_read.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use embassy_rp::gpio::{Input, Pull};
[INFO] [stdout]   |                        ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instant` and `Timer`
[INFO] [stdout]  --> examples/ir_pio_read.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use embassy_time::{ Instant, Timer};
[INFO] [stdout]   |                     ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[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] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     loop {
[INFO] [stdout] 51 | |         let ir_nec_event = ir.next_event().await;
[INFO] [stdout] 52 | |         let (IrNecEvent::Press { addr, cmd } | IrNecEvent::Repeat { addr, cmd }) = ir_nec_event;
[INFO] [stdout] 53 | |         info!("IR Press: Addr=0x{:02X} Cmd=0x{:02X}", addr, cmd);
[INFO] [stdout] 54 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 58 | /     let rfid_reader = SpiMfrc522Reader::new(
[INFO] [stdout] 59 | |         p.SPI0,         // SPI peripheral
[INFO] [stdout] 60 | |         p.PIN_18,       // SCK (serial clock)
[INFO] [stdout] 61 | |         p.PIN_19,       // MOSI
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |     .await?;
[INFO] [stdout]    | |____________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serials` (example "ir_pio_read") due to 2 previous errors; 4 warnings emitted
[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] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `rfid_reader`
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let rfid_reader = SpiMfrc522Reader::new(
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rfid_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W unused-variables`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/main.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let rfid_reader = SpiMfrc522Reader::new(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 59 | |         p.SPI0,         // SPI peripheral
[INFO] [stdout] 60 | |         p.PIN_18,       // SCK (serial clock)
[INFO] [stdout] 61 | |         p.PIN_19,       // MOSI
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |     .await?;
[INFO] [stdout]    | |___________^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_map`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut card_map: FnvIndexMap<[u8; 10], u8, 4> = FnvIndexMap::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uid`
[INFO] [stdout]   --> src/main.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Either::First(RfidEvent::CardDetected { uid }) => {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_name`
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let card_name = card_map.get(&uid).copied().or_else(|| {
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 if let Some(name) = card_name {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ir_nec_event`
[INFO] [stdout]    --> src/main.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |             Either::Second(ir_nec_event) => {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ir_nec_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/main.rs:129:42
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let (IrNecEvent::Press { addr, cmd } | IrNecEvent::Repeat { addr, cmd }) =
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/main.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let (IrNecEvent::Press { addr, cmd } | IrNecEvent::Repeat { addr, cmd }) =
[INFO] [stdout]     |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     loop {
[INFO] [stdout] 51 | |         let ir_nec_event = ir.next_event().await;
[INFO] [stdout] 52 | |         let (IrNecEvent::Press { addr, cmd } | IrNecEvent::Repeat { addr, cmd }) = ir_nec_event;
[INFO] [stdout] 53 | |         info!("IR Press: Addr=0x{:02X} Cmd=0x{:02X}", addr, cmd);
[INFO] [stdout] 54 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 58 | /     let rfid_reader = SpiMfrc522Reader::new(
[INFO] [stdout] 59 | |         p.SPI0,         // SPI peripheral
[INFO] [stdout] 60 | |         p.PIN_18,       // SCK (serial clock)
[INFO] [stdout] 61 | |         p.PIN_19,       // MOSI
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |     .await?;
[INFO] [stdout]    | |____________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rfid_reader`
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let rfid_reader = SpiMfrc522Reader::new(
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rfid_reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W unused-variables`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/main.rs:58:23
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let rfid_reader = SpiMfrc522Reader::new(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 59 | |         p.SPI0,         // SPI peripheral
[INFO] [stdout] 60 | |         p.PIN_18,       // SCK (serial clock)
[INFO] [stdout] 61 | |         p.PIN_19,       // MOSI
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |     .await?;
[INFO] [stdout]    | |___________^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_map`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut card_map: FnvIndexMap<[u8; 10], u8, 4> = FnvIndexMap::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uid`
[INFO] [stdout]   --> src/main.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Either::First(RfidEvent::CardDetected { uid }) => {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card_name`
[INFO] [stdout]   --> src/main.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let card_name = card_map.get(&uid).copied().or_else(|| {
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/main.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 if let Some(name) = card_name {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ir_nec_event`
[INFO] [stdout]    --> src/main.rs:126:28
[INFO] [stdout]     |
[INFO] [stdout] 126 |             Either::Second(ir_nec_event) => {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ir_nec_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/main.rs:129:42
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let (IrNecEvent::Press { addr, cmd } | IrNecEvent::Repeat { addr, cmd }) =
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/main.rs:129:48
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 let (IrNecEvent::Press { addr, cmd } | IrNecEvent::Repeat { addr, cmd }) =
[INFO] [stdout]     |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serials` (bin "serials") due to 2 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3cbd7ab7c16bb53640c6fdc4aa2b12282c4b204123933ff5f769f75319fc4a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbd7ab7c16bb53640c6fdc4aa2b12282c4b204123933ff5f769f75319fc4a8e", kill_on_drop: false }`
[INFO] [stdout] 3cbd7ab7c16bb53640c6fdc4aa2b12282c4b204123933ff5f769f75319fc4a8e
