[INFO] cloning repository https://github.com/mpsnp/niim_cups
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpsnp/niim_cups" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpsnp%2Fniim_cups", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpsnp%2Fniim_cups'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd4cfacbf25f7a4f5c664a4613eac4129f7e91ca
[INFO] checking mpsnp/niim_cups against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpsnp%2Fniim_cups" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mpsnp/niim_cups
[INFO] finished tweaking git repo https://github.com/mpsnp/niim_cups
[INFO] tweaked toml for git repo https://github.com/mpsnp/niim_cups written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mpsnp/niim_cups on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mpsnp/niim_cups 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788b2476b1238a87db027f39edd7de18a00ffa020be70a361f4f79243eef8c46
[INFO] running `Command { std: "docker" "start" "-a" "788b2476b1238a87db027f39edd7de18a00ffa020be70a361f4f79243eef8c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788b2476b1238a87db027f39edd7de18a00ffa020be70a361f4f79243eef8c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788b2476b1238a87db027f39edd7de18a00ffa020be70a361f4f79243eef8c46", kill_on_drop: false }`
[INFO] [stdout] 788b2476b1238a87db027f39edd7de18a00ffa020be70a361f4f79243eef8c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 882269c4dc93fe2b3b11b98fd80378cf8ea6c0e017fa796b00912f03226788a7
[INFO] running `Command { std: "docker" "start" "-a" "882269c4dc93fe2b3b11b98fd80378cf8ea6c0e017fa796b00912f03226788a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking cfg-if v1.0.1
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[INFO] [stderr]    Compiling lock_api v0.4.13
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[INFO] [stderr]    Compiling serde v1.0.219
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[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking unescaper v0.1.6
[INFO] [stderr]     Checking serialport v4.7.2
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[INFO] [stderr]     Checking futures-executor v0.3.31
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[INFO] [stderr]     Checking niim_cups v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BluetoothTransport` is never constructed
[INFO] [stdout]   --> src/transport.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct BluetoothTransport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_sync` are never used
[INFO] [stdout]    --> src/transport.rs:89:18
[INFO] [stdout]     |
[INFO] [stdout]  88 | impl BluetoothTransport {
[INFO] [stdout]     | ----------------------- associated functions in this implementation
[INFO] [stdout]  89 |     pub async fn new(address: String) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn new_sync(address: String) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LanguageType` and `AutoShutdownTime` are never constructed
[INFO] [stdout]  --> src/enums.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum InfoEnum {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     LanguageType = 6,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 8 |     AutoShutdownTime = 7,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `InfoEnum` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]   --> src/enums.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl InfoEnum {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn from_u8(value: u8) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/enums.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum RequestCodeEnum {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 41 |     GetInfo = 64,          // 0x40
[INFO] [stdout] 42 |     GetRfid = 26,          // 0x1A
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 43 |     Heartbeat = 220,       // 0xDC
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 44 |     SetLabelType = 35,     // 0x23
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 45 |     SetLabelDensity = 33,  // 0x21
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     StartPrint = 1,        // 0x01
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 47 |     EndPrint = 243,        // 0xF3
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 48 |     StartPagePrint = 3,    // 0x03
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     EndPagePrint = 227,    // 0xE3
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 50 |     AllowPrintClear = 32,  // 0x20
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |     SetDimension = 19,     // 0x13
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 52 |     SetQuantity = 21,      // 0x15
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 53 |     GetPrintStatus = 163,  // 0xA3
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestCodeEnum` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]   --> src/enums.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl RequestCodeEnum {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 57 |     pub fn from_u8(value: u8) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `heartbeat` is never used
[INFO] [stdout]    --> src/printer.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl<T: Transport> PrinterClient<T> {
[INFO] [stdout]     | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn heartbeat(&mut self) -> Result<Option<HeartbeatResponse>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeartbeatResponse` is never constructed
[INFO] [stdout]    --> src/printer.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct HeartbeatResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_paper_loaded`, `is_cover_closed`, and `get_power_level` are never used
[INFO] [stdout]    --> src/printer.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | impl HeartbeatResponse {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 167 |     pub fn is_paper_loaded(&self) -> Option<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn is_cover_closed(&self) -> Option<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn get_power_level(&self) -> Option<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BluetoothTransport` is never constructed
[INFO] [stdout]   --> src/transport.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct BluetoothTransport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_sync` are never used
[INFO] [stdout]    --> src/transport.rs:89:18
[INFO] [stdout]     |
[INFO] [stdout]  88 | impl BluetoothTransport {
[INFO] [stdout]     | ----------------------- associated functions in this implementation
[INFO] [stdout]  89 |     pub async fn new(address: String) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn new_sync(address: String) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `LanguageType` and `AutoShutdownTime` are never constructed
[INFO] [stdout]  --> src/enums.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum InfoEnum {
[INFO] [stdout]   |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     LanguageType = 6,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 8 |     AutoShutdownTime = 7,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `InfoEnum` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]   --> src/enums.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl InfoEnum {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn from_u8(value: u8) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/enums.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum RequestCodeEnum {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 41 |     GetInfo = 64,          // 0x40
[INFO] [stdout] 42 |     GetRfid = 26,          // 0x1A
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 43 |     Heartbeat = 220,       // 0xDC
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 44 |     SetLabelType = 35,     // 0x23
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 45 |     SetLabelDensity = 33,  // 0x21
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |     StartPrint = 1,        // 0x01
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 47 |     EndPrint = 243,        // 0xF3
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 48 |     StartPagePrint = 3,    // 0x03
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 49 |     EndPagePrint = 227,    // 0xE3
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 50 |     AllowPrintClear = 32,  // 0x20
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 51 |     SetDimension = 19,     // 0x13
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 52 |     SetQuantity = 21,      // 0x15
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 53 |     GetPrintStatus = 163,  // 0xA3
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RequestCodeEnum` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_u8` is never used
[INFO] [stdout]   --> src/enums.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl RequestCodeEnum {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 57 |     pub fn from_u8(value: u8) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `heartbeat` is never used
[INFO] [stdout]    --> src/printer.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout]  12 | impl<T: Transport> PrinterClient<T> {
[INFO] [stdout]     | ----------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn heartbeat(&mut self) -> Result<Option<HeartbeatResponse>, Box<dyn std::error::Error>> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeartbeatResponse` is never constructed
[INFO] [stdout]    --> src/printer.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct HeartbeatResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_paper_loaded`, `is_cover_closed`, and `get_power_level` are never used
[INFO] [stdout]    --> src/printer.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | impl HeartbeatResponse {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 167 |     pub fn is_paper_loaded(&self) -> Option<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn is_cover_closed(&self) -> Option<bool> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn get_power_level(&self) -> Option<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.62s
[INFO] running `Command { std: "docker" "inspect" "882269c4dc93fe2b3b11b98fd80378cf8ea6c0e017fa796b00912f03226788a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882269c4dc93fe2b3b11b98fd80378cf8ea6c0e017fa796b00912f03226788a7", kill_on_drop: false }`
[INFO] [stdout] 882269c4dc93fe2b3b11b98fd80378cf8ea6c0e017fa796b00912f03226788a7
