[INFO] cloning repository https://github.com/mkroman/bouffalo-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkroman/bouffalo-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fbouffalo-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fbouffalo-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a629b7fc7fc830c9f9a9f1f9460acbe2d2f9555
[INFO] checking mkroman/bouffalo-cli against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Fbouffalo-cli" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mkroman/bouffalo-cli
[INFO] finished tweaking git repo https://github.com/mkroman/bouffalo-cli
[INFO] tweaked toml for git repo https://github.com/mkroman/bouffalo-cli written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkroman/bouffalo-cli on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkroman/bouffalo-cli 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61120eb9f52f86849fb2df953009aa0ec9632e644bc7b3f8ee2cde78bcb5b9b5
[INFO] running `Command { std: "docker" "start" "-a" "61120eb9f52f86849fb2df953009aa0ec9632e644bc7b3f8ee2cde78bcb5b9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61120eb9f52f86849fb2df953009aa0ec9632e644bc7b3f8ee2cde78bcb5b9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61120eb9f52f86849fb2df953009aa0ec9632e644bc7b3f8ee2cde78bcb5b9b5", kill_on_drop: false }`
[INFO] [stdout] 61120eb9f52f86849fb2df953009aa0ec9632e644bc7b3f8ee2cde78bcb5b9b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c1881be7b59169eae7926bd6f59f5ebcc0031d5c5c458f6de5b7e2f3487fba
[INFO] running `Command { std: "docker" "start" "-a" "c6c1881be7b59169eae7926bd6f59f5ebcc0031d5c5c458f6de5b7e2f3487fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking bouffalo-cli v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FirmwareBuilder`
[INFO] [stdout]   --> src/bl.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use firmware::{crc32, Firmware, FirmwareBuilder, Segment};
[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: `FirmwareBuilder`
[INFO] [stdout]   --> src/bl.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub use firmware::{crc32, Firmware, FirmwareBuilder, Segment};
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidMagicHeader` is never constructed
[INFO] [stdout]   --> src/bl/firmware.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum ClockConfigError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 49 |     #[error("The magic header value is invalid: {:?}", _0)]
[INFO] [stdout] 50 |     InvalidMagicHeader([u8; 4]),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ClockConfigError` 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: fields `reader`, `header`, `program_headers`, and `section_headers` are never read
[INFO] [stdout]   --> src/elf_parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ElfParser<R> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     reader: BufReader<R>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     header: Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     program_headers: Vec<ProgramHeader>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     section_headers: Vec<SectionHeader>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElfParser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/elf_parser.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct Header {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 134 |     /// This byte is set to either 1 or 2 to signify 32- or 64-bit format, respectively
[INFO] [stdout] 135 |     pub class: Class,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 136 |     /// The endianness of the file
[INFO] [stdout] 137 |     pub endianness: Endianness,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 138 |     /// The ELF file version
[INFO] [stdout] 139 |     pub version: u8,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 140 |     /// The target OS ABI
[INFO] [stdout] 141 |     pub os_abi: u8,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 142 |     /// The target OS ABI version
[INFO] [stdout] 143 |     pub os_abi_version: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 144 |     /// The object file type
[INFO] [stdout] 145 |     pub file_type: u16,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 146 |     /// The program entry address
[INFO] [stdout] 147 |     pub entry_addr: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/elf_parser.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct ProgramHeader {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 167 |     /// The type of the program header segment
[INFO] [stdout] 168 |     typ: ProgType,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 169 |     /// The offset to the segment in the image file
[INFO] [stdout] 170 |     offset: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 171 |     /// The virtual address to map the segment to
[INFO] [stdout] 172 |     virt_addr: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 173 |     /// The physical address to map the segment to, when relevant
[INFO] [stdout] 174 |     phys_addr: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 175 |     /// Size of the segment in the file image, in bytes
[INFO] [stdout] 176 |     file_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 177 |     /// Size of the segment in memory, in bytes
[INFO] [stdout] 178 |     mem_size: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 179 |     /// Segment-dependent flags
[INFO] [stdout] 180 |     flags: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     alignment: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProgramHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/elf_parser.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct SectionHeader {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 196 |     pub typ: SectionType,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 197 |     /// The attributes of this section
[INFO] [stdout] 198 |     pub flags: u32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 199 |     /// Virtual address for this section, if it's to be loaded into memory
[INFO] [stdout] 200 |     pub virt_addr: u32,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub size: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 205 |     /// Contains the index of an associated section, which might be used depending on the type
[INFO] [stdout] 206 |     pub link: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 207 |     /// Contains information about the section
[INFO] [stdout] 208 |     pub info: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 209 |     /// The required alignment of the section
[INFO] [stdout] 210 |     pub addr_align: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 211 |     /// The size of each entry, in bytes, if this is a section with fixed sized data
[INFO] [stdout] 212 |     pub entry_size: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SectionHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// The elf filename
[INFO] [stdout] 19 | |     pub filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         /// The name of the file to save the contents to
[INFO] [stdout] 33 | |         #[structopt(required = true, default_value = "flash.bin")]
[INFO] [stdout] 34 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         /// The name of the file to read from
[INFO] [stdout] 39 | |         #[structopt(required = true)]
[INFO] [stdout] 40 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     /// The serial device to connect to
[INFO] [stdout] 64 | |     #[structopt(
[INFO] [stdout] 65 | |         env = "SERIAL_PORT",
[INFO] [stdout] 66 | |         short = "p",
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |     )]
[INFO] [stdout] 70 | |     pub serial_port: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidMagicHeader` is never constructed
[INFO] [stdout]   --> src/bl/firmware.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum ClockConfigError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 49 |     #[error("The magic header value is invalid: {:?}", _0)]
[INFO] [stdout] 50 |     InvalidMagicHeader([u8; 4]),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ClockConfigError` 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: fields `reader`, `header`, `program_headers`, and `section_headers` are never read
[INFO] [stdout]   --> src/elf_parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ElfParser<R> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     reader: BufReader<R>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 11 |     header: Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     program_headers: Vec<ProgramHeader>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     section_headers: Vec<SectionHeader>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElfParser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/elf_parser.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct Header {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 134 |     /// This byte is set to either 1 or 2 to signify 32- or 64-bit format, respectively
[INFO] [stdout] 135 |     pub class: Class,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 136 |     /// The endianness of the file
[INFO] [stdout] 137 |     pub endianness: Endianness,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 138 |     /// The ELF file version
[INFO] [stdout] 139 |     pub version: u8,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 140 |     /// The target OS ABI
[INFO] [stdout] 141 |     pub os_abi: u8,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 142 |     /// The target OS ABI version
[INFO] [stdout] 143 |     pub os_abi_version: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 144 |     /// The object file type
[INFO] [stdout] 145 |     pub file_type: u16,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 146 |     /// The program entry address
[INFO] [stdout] 147 |     pub entry_addr: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/elf_parser.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct ProgramHeader {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 167 |     /// The type of the program header segment
[INFO] [stdout] 168 |     typ: ProgType,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 169 |     /// The offset to the segment in the image file
[INFO] [stdout] 170 |     offset: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 171 |     /// The virtual address to map the segment to
[INFO] [stdout] 172 |     virt_addr: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 173 |     /// The physical address to map the segment to, when relevant
[INFO] [stdout] 174 |     phys_addr: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 175 |     /// Size of the segment in the file image, in bytes
[INFO] [stdout] 176 |     file_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 177 |     /// Size of the segment in memory, in bytes
[INFO] [stdout] 178 |     mem_size: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 179 |     /// Segment-dependent flags
[INFO] [stdout] 180 |     flags: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     alignment: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProgramHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/elf_parser.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub struct SectionHeader {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 196 |     pub typ: SectionType,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 197 |     /// The attributes of this section
[INFO] [stdout] 198 |     pub flags: u32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 199 |     /// Virtual address for this section, if it's to be loaded into memory
[INFO] [stdout] 200 |     pub virt_addr: u32,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub size: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 205 |     /// Contains the index of an associated section, which might be used depending on the type
[INFO] [stdout] 206 |     pub link: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 207 |     /// Contains information about the section
[INFO] [stdout] 208 |     pub info: u32,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 209 |     /// The required alignment of the section
[INFO] [stdout] 210 |     pub addr_align: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 211 |     /// The size of each entry, in bytes, if this is a section with fixed sized data
[INFO] [stdout] 212 |     pub entry_size: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SectionHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// The elf filename
[INFO] [stdout] 19 | |     pub filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         /// The name of the file to save the contents to
[INFO] [stdout] 33 | |         #[structopt(required = true, default_value = "flash.bin")]
[INFO] [stdout] 34 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         /// The name of the file to read from
[INFO] [stdout] 39 | |         #[structopt(required = true)]
[INFO] [stdout] 40 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     /// The serial device to connect to
[INFO] [stdout] 64 | |     #[structopt(
[INFO] [stdout] 65 | |         env = "SERIAL_PORT",
[INFO] [stdout] 66 | |         short = "p",
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |     )]
[INFO] [stdout] 70 | |     pub serial_port: String,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bouffalo-cli` (bin "bouffalo-cli") due to 4 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bouffalo-cli` (bin "bouffalo-cli" test) due to 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c6c1881be7b59169eae7926bd6f59f5ebcc0031d5c5c458f6de5b7e2f3487fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c1881be7b59169eae7926bd6f59f5ebcc0031d5c5c458f6de5b7e2f3487fba", kill_on_drop: false }`
[INFO] [stdout] c6c1881be7b59169eae7926bd6f59f5ebcc0031d5c5c458f6de5b7e2f3487fba
