[INFO] cloning repository https://github.com/ouyangyipeng/OYOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ouyangyipeng/OYOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fouyangyipeng%2FOYOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fouyangyipeng%2FOYOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95bcb5d0da747e4e4eab1c00f11f141212fec122
[INFO] fixing ouyangyipeng/OYOS against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fouyangyipeng%2FOYOS" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ouyangyipeng/OYOS
[INFO] finished tweaking git repo https://github.com/ouyangyipeng/OYOS
[INFO] tweaked toml for git repo https://github.com/ouyangyipeng/OYOS written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ouyangyipeng/OYOS on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ouyangyipeng/OYOS 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zero v0.1.3
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[INFO] [stderr]   Downloaded embedded-time v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e
[INFO] running `Command { std: "docker" "start" "8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling rustversion v1.0.20
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[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking ysos_syscall v0.4.0 (/opt/rustwide/workdir/pkg/syscall)
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[INFO] [stderr]     Checking yslib v0.4.0 (/opt/rustwide/workdir/pkg/lib)
[INFO] [stderr]     Checking ysos_storage v0.4.0 (/opt/rustwide/workdir/pkg/storage)
[INFO] [stdout] error: cannot define multiple global allocators
[INFO] [stdout]   --> pkg/lib/src/allocator/kernel.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[global_allocator]
[INFO] [stdout]    | ------------------- in this attribute macro expansion
[INFO] [stdout] 13 | static ALLOCATOR: KernelAllocator = KernelAllocator;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot define a new global allocator
[INFO] [stdout]    |
[INFO] [stdout]   ::: pkg/lib/src/allocator/brk.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | static ALLOCATOR: LockedHeap = LockedHeap::empty();
[INFO] [stdout]    | --------------------------------------------------- previous global allocator defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot define multiple allocation error handlers
[INFO] [stdout]   --> pkg/lib/src/allocator/kernel.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 16 |   #[alloc_error_handler]
[INFO] [stdout]    |   ---------------------- in this attribute macro expansion
[INFO] [stdout] 17 | / fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
[INFO] [stdout] 18 | |     panic!("Allocation error: {:?}", layout)
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^ cannot define a new allocation error handler
[INFO] [stdout]    |
[INFO] [stdout]   ::: pkg/lib/src/allocator/brk.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / fn alloc_error_handler(layout: alloc::alloc::Layout) -> ! {
[INFO] [stdout] 24 | |     panic!("Allocation error: {:?}", layout)
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_- previous allocation error handler defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot define multiple global allocators
[INFO] [stdout]   --> pkg/lib/src/allocator/kernel.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[global_allocator]
[INFO] [stdout]    | ------------------- in this attribute macro expansion
[INFO] [stdout] 13 | static ALLOCATOR: KernelAllocator = KernelAllocator;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot define a new global allocator
[INFO] [stdout]    |
[INFO] [stdout]   ::: pkg/lib/src/allocator/brk.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | static ALLOCATOR: LockedHeap = LockedHeap::empty();
[INFO] [stdout]    | --------------------------------------------------- previous global allocator defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> pkg/lib/src/syscall.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     NaiveDateTime::from_timestamp(time / BILLION, (time % BILLION) as u32)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> pkg/lib/src/syscall.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let utc_dt = NaiveDateTime::from_timestamp(time / BILLION, (time % BILLION) as u32);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> pkg/lib/src/syscall.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |     DateTime::from_utc(utc_dt, beijing_offset)
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> pkg/lib/src/syscall.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     NaiveDateTime::from_timestamp(time / BILLION, (time % BILLION) as u32)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]   --> pkg/lib/src/syscall.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let utc_dt = NaiveDateTime::from_timestamp(time / BILLION, (time % BILLION) as u32);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::DateTime::<Tz>::from_utc`: Use TimeZone::from_utc_datetime() or DateTime::from_naive_utc_and_offset instead
[INFO] [stdout]   --> pkg/lib/src/syscall.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |     DateTime::from_utc(utc_dt, beijing_offset)
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yslib` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `yslib` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut start_len = buf.len();
[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: unused variable: `start_len`
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut start_len = buf.len();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn write_all(&mut self, mut buf: &[u8]) -> FsResult {
[INFO] [stdout]    |                             ----^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn write_all(&mut self, mut buf: &[u8]) -> FsResult {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 sec_per_clus=> {
[INFO] [stdout]    |                 ------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 70 |                 _ => sector_num + 1,
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: there is a binding of the same name; if you meant to pattern match against the value of that binding, that is a feature of constants that is not available for `let` bindings
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let sec_per_clus = self.handle.bpb.sectors_per_cluster();
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut current_offset = self.handle.cluster_to_sector(&self.current_cluster) + sector_num;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sec_per_clus`
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let sec_per_clus = self.handle.bpb.sectors_per_cluster();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sec_per_clus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sec_per_clus`
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 sec_per_clus=> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sec_per_clus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn seek(&mut self, pos: SeekFrom) -> FsResult<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut block: Block<512> = Block::default();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut block: Block<512> = Block::default();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entries_per_sector`
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let entries_per_sector = BLOCK_SIZE / DirEntry::LEN;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries_per_sector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::Result` that must be used
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         self.inner.read_block(sector, &mut block);
[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] 158 |         let _ = self.inner.read_block(sector, &mut block);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut start_len = buf.len();
[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: unused variable: `start_len`
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut start_len = buf.len();
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn write_all(&mut self, mut buf: &[u8]) -> FsResult {
[INFO] [stdout]    |                             ----^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> pkg/storage/src/common/io.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn write_all(&mut self, mut buf: &[u8]) -> FsResult {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 sec_per_clus=> {
[INFO] [stdout]    |                 ------------ matches any value
[INFO] [stdout] ...
[INFO] [stdout] 70 |                 _ => sector_num + 1,
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: there is a binding of the same name; if you meant to pattern match against the value of that binding, that is a feature of constants that is not available for `let` bindings
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let sec_per_clus = self.handle.bpb.sectors_per_cluster();
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut current_offset = self.handle.cluster_to_sector(&self.current_cluster) + sector_num;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sec_per_clus`
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let sec_per_clus = self.handle.bpb.sectors_per_cluster();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sec_per_clus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sec_per_clus`
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 sec_per_clus=> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sec_per_clus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> pkg/storage/src/fs/fat16/file.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn seek(&mut self, pos: SeekFrom) -> FsResult<usize> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut block: Block<512> = Block::default();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let mut block: Block<512> = Block::default();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entries_per_sector`
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let entries_per_sector = BLOCK_SIZE / DirEntry::LEN;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entries_per_sector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> pkg/storage/src/fs/fat16/impls.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         self.inner.read_block(sector, &mut block);
[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] 158 |         let _ = self.inner.read_block(sector, &mut block);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e", kill_on_drop: false }`
[INFO] [stdout] 8eb77b0470b4e2b1d2217907bb3dd888cef60f22d46b237b0a5f75c6e95e903e
