[INFO] cloning repository https://github.com/awaken1ng/vexfatbd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awaken1ng/vexfatbd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawaken1ng%2Fvexfatbd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawaken1ng%2Fvexfatbd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1537364630d27c897dee629b7890b85020af2350
[INFO] checking awaken1ng/vexfatbd against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawaken1ng%2Fvexfatbd" "/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/awaken1ng/vexfatbd
[INFO] finished tweaking git repo https://github.com/awaken1ng/vexfatbd
[INFO] tweaked toml for git repo https://github.com/awaken1ng/vexfatbd written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/awaken1ng/vexfatbd 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/awaken1ng/vexfatbd 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 arbitrary-int v1.2.3
[INFO] [stderr]   Downloaded bitbybit v1.1.3
[INFO] [stderr]   Downloaded libc v0.2.141
[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] 958e25f46e317d73543d33a090105f559f9564a6553086776f7422bb677913f8
[INFO] running `Command { std: "docker" "start" "-a" "958e25f46e317d73543d33a090105f559f9564a6553086776f7422bb677913f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "958e25f46e317d73543d33a090105f559f9564a6553086776f7422bb677913f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958e25f46e317d73543d33a090105f559f9564a6553086776f7422bb677913f8", kill_on_drop: false }`
[INFO] [stdout] 958e25f46e317d73543d33a090105f559f9564a6553086776f7422bb677913f8
[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] 94a34fb01b723be05ffcc09665113bd89a78b9d69b991398b197a5b7a3e75c59
[INFO] running `Command { std: "docker" "start" "-a" "94a34fb01b723be05ffcc09665113bd89a78b9d69b991398b197a5b7a3e75c59", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling arbitrary-int v1.2.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling bytemuck_derive v1.4.1
[INFO] [stderr]    Compiling bitbybit v1.1.3
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking vexfatbd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/boot_region.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/boot_region.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BootSector {
[INFO] [stdout]   |            ^^^^^^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct EntryType {
[INFO] [stdout]    |        ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct GeneralPrimaryFlags {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_sector` is never used
[INFO] [stdout]   --> src/data_region/allocation_bitmap.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllocationBitmap {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn write_sector(&mut self, sector: u32, buffer: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/allocation_bitmap.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub struct BitmapFlags {
[INFO] [stdout]     |            ^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/allocation_bitmap.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/allocation_bitmap.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct AllocationBitmapDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/file.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileAttributes {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/file.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Timestamp {
[INFO] [stdout]    |        ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | /// 10msIncrement fields shall provide additional time resolution to their corresponding Timestamp fields in ten-millisecond multiples.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct TenMsIncrement(u8);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct UtcOffset {
[INFO] [stdout]     |        ^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct FileDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct StreamExtensionDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:266:1
[INFO] [stdout]     |
[INFO] [stdout] 266 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 | pub struct FileNameDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/upcase_table.rs:243:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/upcase_table.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct UpcaseTableDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/data_region/volume_label.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/volume_label.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct VolumeLabelDirectoryEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_sector_first` is never used
[INFO] [stdout]   --> src/fat_region.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl FileAllocationTable {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn write_sector_first(&mut self, fat_sector: u64, buffer: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from_bytes` is never used
[INFO] [stdout]   --> src/heap.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DirectoryEntry {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn new_from_bytes(buffer: &[u8]) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/fat_region.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn chain(&self, cluster: u32) -> AllocationChain {
[INFO] [stdout]    |                  ^^^^^                   ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn chain(&self, cluster: u32) -> AllocationChain<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/boot_region.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/boot_region.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BootSector {
[INFO] [stdout]   |            ^^^^^^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct EntryType {
[INFO] [stdout]    |        ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct GeneralPrimaryFlags {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_sector` is never used
[INFO] [stdout]   --> src/data_region/allocation_bitmap.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl AllocationBitmap {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn write_sector(&mut self, sector: u32, buffer: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/allocation_bitmap.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub struct BitmapFlags {
[INFO] [stdout]     |            ^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/allocation_bitmap.rs:158:1
[INFO] [stdout]     |
[INFO] [stdout] 158 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/allocation_bitmap.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct AllocationBitmapDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/file.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct FileAttributes {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/file.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Timestamp {
[INFO] [stdout]    |        ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:100:1
[INFO] [stdout]     |
[INFO] [stdout] 100 | /// 10msIncrement fields shall provide additional time resolution to their corresponding Timestamp fields in ten-millisecond multiples.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct TenMsIncrement(u8);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | struct UtcOffset {
[INFO] [stdout]     |        ^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct FileDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct StreamExtensionDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/file.rs:266:1
[INFO] [stdout]     |
[INFO] [stdout] 266 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/file.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 | pub struct FileNameDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/data_region/upcase_table.rs:243:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[repr(C)]
[INFO] [stdout]     | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/data_region/upcase_table.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct UpcaseTableDirectoryEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/data_region/volume_label.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[repr(C)]
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/data_region/volume_label.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct VolumeLabelDirectoryEntry {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_sector_first` is never used
[INFO] [stdout]   --> src/fat_region.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl FileAllocationTable {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn write_sector_first(&mut self, fat_sector: u64, buffer: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_from_bytes` is never used
[INFO] [stdout]   --> src/heap.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl DirectoryEntry {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn new_from_bytes(buffer: &[u8]) -> Option<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/fat_region.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn chain(&self, cluster: u32) -> AllocationChain {
[INFO] [stdout]    |                  ^^^^^                   ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn chain(&self, cluster: u32) -> AllocationChain<'_> {
[INFO] [stdout]    |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `Command { std: "docker" "inspect" "94a34fb01b723be05ffcc09665113bd89a78b9d69b991398b197a5b7a3e75c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a34fb01b723be05ffcc09665113bd89a78b9d69b991398b197a5b7a3e75c59", kill_on_drop: false }`
[INFO] [stdout] 94a34fb01b723be05ffcc09665113bd89a78b9d69b991398b197a5b7a3e75c59
