[INFO] cloning repository https://github.com/ThibaultBus/TP-Reseaux-4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThibaultBus/TP-Reseaux-4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThibaultBus%2FTP-Reseaux-4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThibaultBus%2FTP-Reseaux-4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 292b3b665923a94a5a02ac58d9fcd660c4d751ba
[INFO] checking ThibaultBus/TP-Reseaux-4 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThibaultBus%2FTP-Reseaux-4" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ThibaultBus/TP-Reseaux-4
[INFO] finished tweaking git repo https://github.com/ThibaultBus/TP-Reseaux-4
[INFO] tweaked toml for git repo https://github.com/ThibaultBus/TP-Reseaux-4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ThibaultBus/TP-Reseaux-4 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ThibaultBus/TP-Reseaux-4 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
[INFO] [stderr]   Downloaded rusb v0.9.2
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54369bb457db044a42925148b10fa781550c4ddc495f98975948bd0b0873ca01
[INFO] running `Command { std: "docker" "start" "-a" "54369bb457db044a42925148b10fa781550c4ddc495f98975948bd0b0873ca01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54369bb457db044a42925148b10fa781550c4ddc495f98975948bd0b0873ca01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54369bb457db044a42925148b10fa781550c4ddc495f98975948bd0b0873ca01", kill_on_drop: false }`
[INFO] [stdout] 54369bb457db044a42925148b10fa781550c4ddc495f98975948bd0b0873ca01
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cc34a3e945e8d9a9a176749f37457e6809b2e394bc5806ae453b3eaf644e28c
[INFO] running `Command { std: "docker" "start" "-a" "4cc34a3e945e8d9a9a176749f37457e6809b2e394bc5806ae453b3eaf644e28c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.143
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]    Compiling rusb v0.9.2
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking pnet_base v0.33.0
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]    Compiling pnet v0.33.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking data2sound v0.2.2
[INFO] [stderr]     Checking pnet_macros_support v0.33.0
[INFO] [stderr]     Checking fm-data-transmitter v0.1.0 (/opt/rustwide/workdir/fm-data-transmitter)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> fm-data-transmitter/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fs::remove_file(sound_file);
[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] 19 |     let _ = fs::remove_file(sound_file);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> fm-data-transmitter/src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> fm-data-transmitter/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fs::remove_file(filename);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = fs::remove_file(filename);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> fm-data-transmitter/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fs::remove_file(sound_file);
[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] 19 |     let _ = fs::remove_file(sound_file);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> fm-data-transmitter/src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fs::remove_file(filename);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = fs::remove_file(filename);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking pnet_sys v0.33.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking stderrlog v0.5.4
[INFO] [stderr]     Checking ctrlc v3.2.5
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking pnet_datalink v0.33.0
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling pnet_macros v0.33.0
[INFO] [stderr]     Checking pnet_packet v0.33.0
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking rtlsdr-rs v0.1.0 (/opt/rustwide/workdir/rtl-sdr-rs)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> rtl-sdr-rs/src/tuners/r820t.rs:709:13
[INFO] [stdout]     |
[INFO] [stdout] 709 |         let mut div_buf_cur;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fir` is never read
[INFO] [stdout]   --> rtl-sdr-rs/src/rtlsdr.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct RtlSdr {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fir: [i32; FIR_LEN],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RtlSdr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> rtl-sdr-rs/src/tuners/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TunerInfo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     pub id: &'static str,
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TunerInfo` 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: method `read_gain` is never used
[INFO] [stdout]   --> rtl-sdr-rs/src/tuners/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Tuner: std::fmt::Debug {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn read_gain(&self, handle: &Device) -> Result<i32>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freq` is never read
[INFO] [stdout]    --> rtl-sdr-rs/src/tuners/r820t.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct R820T {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub freq: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `R820T` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> rtl-sdr-rs/src/tuners/r820t.rs:709:13
[INFO] [stdout]     |
[INFO] [stdout] 709 |         let mut div_buf_cur;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeviceHandle` is never constructed
[INFO] [stdout]   --> rtl-sdr-rs/src/device/device_handle.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DeviceHandle {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> rtl-sdr-rs/src/device/device_handle.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DeviceHandle {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn open(index: usize) -> Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn open_device<T: UsbContext>(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn claim_interface(&mut self, iface: u8) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn reset(&mut self) -> Result<()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn read_control(
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn write_control(
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn read_bulk(&self, endpoint: u8, buf: &mut [u8], timeout: Duration) -> Result<usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fir` is never read
[INFO] [stdout]   --> rtl-sdr-rs/src/rtlsdr.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct RtlSdr {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fir: [i32; FIR_LEN],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RtlSdr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> rtl-sdr-rs/src/tuners/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct TunerInfo {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     pub id: &'static str,
[INFO] [stdout] 12 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TunerInfo` 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: method `read_gain` is never used
[INFO] [stdout]   --> rtl-sdr-rs/src/tuners/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait Tuner: std::fmt::Debug {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn read_gain(&self, handle: &Device) -> Result<i32>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freq` is never read
[INFO] [stdout]    --> rtl-sdr-rs/src/tuners/r820t.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct R820T {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub freq: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `R820T` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pnet_transport v0.33.0
[INFO] [stderr]     Checking tp-reseaux-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `interface_name`
[INFO] [stdout]   --> src/network.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interface_name`
[INFO] [stdout]   --> src/network.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ethernet`
[INFO] [stdout]   --> src/network.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ethernet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ethernet`
[INFO] [stdout]   --> src/network.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn handle_ipv6_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ethernet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interface_name`
[INFO] [stdout]   --> src/network.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn handle_arp_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interface_name`
[INFO] [stdout]   --> src/network.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn handle_arp_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interface_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ethernet`
[INFO] [stdout]   --> src/network.rs:38:44
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn handle_arp_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ethernet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ethernet`
[INFO] [stdout]   --> src/network.rs:38:44
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn handle_arp_packet(interface_name: &str, ethernet: &EthernetPacket) {
[INFO] [stdout]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ethernet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/network.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let bytes = file.write(packet).unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/network.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let bytes = file.write(packet).unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/simple_fm.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let n = f.read(&mut buf[..]).expect("failed to read");
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/simple_fm.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let n = f.read(&mut buf[..]).expect("failed to read");
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/simple_fm.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let result = demod.demodulate(buf.to_vec());
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/simple_fm.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             let result = demod.demodulate(buf.to_vec());
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `freq`
[INFO] [stdout]    --> src/simple_fm.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn optimal_settings(freq: u32, rate: u32) -> (RadioConfig, DemodConfig) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `freq`
[INFO] [stdout]    --> src/simple_fm.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn optimal_settings(freq: u32, rate: u32) -> (RadioConfig, DemodConfig) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_freq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut file_index = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prev_index` and `lp_now` are never read
[INFO] [stdout]    --> src/simple_fm.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 213 | struct Demod {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 214 |     config: DemodConfig,
[INFO] [stdout] 215 |     prev_index: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |     lp_now: Complex<i32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `low_pass_complex` and `high_pass_complex` are never used
[INFO] [stdout]    --> src/simple_fm.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl Demod {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 281 |     fn low_pass_complex(&mut self, buf: Vec<Complex<i32>>) -> Vec<Complex<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |     fn high_pass_complex(&mut self, buf: Vec<Complex<i32>>) -> Vec<Complex<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut file_index = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prev_index` and `lp_now` are never read
[INFO] [stdout]    --> src/simple_fm.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 213 | struct Demod {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 214 |     config: DemodConfig,
[INFO] [stdout] 215 |     prev_index: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |     lp_now: Complex<i32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `low_pass_complex` and `high_pass_complex` are never used
[INFO] [stdout]    --> src/simple_fm.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl Demod {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 281 |     fn low_pass_complex(&mut self, buf: Vec<Complex<i32>>) -> Vec<Complex<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |     fn high_pass_complex(&mut self, buf: Vec<Complex<i32>>) -> Vec<Complex<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             std::fs::remove_file(dir_entry.path());
[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] 75 |             let _ = std::fs::remove_file(dir_entry.path());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         tx.send_to(ip_packet, dest);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = tx.send_to(ip_packet, dest);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/simple_fm.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         tx.send(buf.to_vec());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = tx.send(buf.to_vec());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             std::fs::remove_file(dir_entry.path());
[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] 75 |             let _ = std::fs::remove_file(dir_entry.path());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/simple_fm.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     out.write_all(slice_u8);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let _ = out.write_all(slice_u8);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/network.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         tx.send_to(ip_packet, dest);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = tx.send_to(ip_packet, dest);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/simple_fm.rs:405:5
[INFO] [stdout]     |
[INFO] [stdout] 405 |     out.flush();
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 405 |     let _ = out.flush();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/simple_fm.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         tx.send(buf.to_vec());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let _ = tx.send(buf.to_vec());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/simple_fm.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     out.write_all(slice_u8);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let _ = out.write_all(slice_u8);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/simple_fm.rs:405:5
[INFO] [stdout]     |
[INFO] [stdout] 405 |     out.flush();
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 405 |     let _ = out.flush();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "4cc34a3e945e8d9a9a176749f37457e6809b2e394bc5806ae453b3eaf644e28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc34a3e945e8d9a9a176749f37457e6809b2e394bc5806ae453b3eaf644e28c", kill_on_drop: false }`
[INFO] [stdout] 4cc34a3e945e8d9a9a176749f37457e6809b2e394bc5806ae453b3eaf644e28c
