[INFO] cloning repository https://github.com/yuoo655/ext4_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuoo655/ext4_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Fext4_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Fext4_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2edc63c3b823031b0adb5d54e2d3d323e4dd743
[INFO] checking yuoo655/ext4_rs against master#dfdbe30004a095ad63951c4cd6e10a9a971a7399 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Fext4_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuoo655/ext4_rs on toolchain dfdbe30004a095ad63951c4cd6e10a9a971a7399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuoo655/ext4_rs
[INFO] finished tweaking git repo https://github.com/yuoo655/ext4_rs
[INFO] tweaked toml for git repo https://github.com/yuoo655/ext4_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yuoo655/ext4_rs 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" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking yuoo655/ext4_rs against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Fext4_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuoo655/ext4_rs on toolchain ba824a2e25948a86596ccf7594afe548020e86e6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuoo655/ext4_rs
[INFO] finished tweaking git repo https://github.com/yuoo655/ext4_rs
[INFO] tweaked toml for git repo https://github.com/yuoo655/ext4_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yuoo655/ext4_rs 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking yuoo655/ext4_rs against master#ba824a2e25948a86596ccf7594afe548020e86e6 for pr-120932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuoo655%2Fext4_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuoo655/ext4_rs on toolchain ba824a2e25948a86596ccf7594afe548020e86e6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuoo655/ext4_rs
[INFO] finished tweaking git repo https://github.com/yuoo655/ext4_rs
[INFO] tweaked toml for git repo https://github.com/yuoo655/ext4_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yuoo655/ext4_rs 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" "+ba824a2e25948a86596ccf7594afe548020e86e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42eec21d5340edcb9af9b9f324af6973ddb3aa85a772c6a5f5e1d5b3b3babe74
[INFO] running `Command { std: "docker" "start" "-a" "42eec21d5340edcb9af9b9f324af6973ddb3aa85a772c6a5f5e1d5b3b3babe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42eec21d5340edcb9af9b9f324af6973ddb3aa85a772c6a5f5e1d5b3b3babe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42eec21d5340edcb9af9b9f324af6973ddb3aa85a772c6a5f5e1d5b3b3babe74", kill_on_drop: false }`
[INFO] [stdout] 42eec21d5340edcb9af9b9f324af6973ddb3aa85a772c6a5f5e1d5b3b3babe74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ba824a2e25948a86596ccf7594afe548020e86e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2163686fba1fce639772dad6a10e822b157cc622ec12ad4d3c0c7c7e07cf5df9
[INFO] running `Command { std: "docker" "start" "-a" "2163686fba1fce639772dad6a10e822b157cc622ec12ad4d3c0c7c7e07cf5df9", kill_on_drop: false }`
[INFO] [stderr]     Checking ext4_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `ext4_lblk_t` should have an upper camel case name
[INFO] [stdout]  --> src/consts.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type ext4_lblk_t = u32;
[INFO] [stdout]   |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Ext4LblkT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ext4_fsblk_t` should have an upper camel case name
[INFO] [stdout]  --> src/consts.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type ext4_fsblk_t = u64;
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Ext4FsblkT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_ACCMODE` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     O_ACCMODE,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `OAccmode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_RDONLY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     O_RDONLY,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ORdonly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_WRONLY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     O_WRONLY,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `OWronly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ext4_lblk_t` should have an upper camel case name
[INFO] [stdout]  --> src/consts.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type ext4_lblk_t = u32;
[INFO] [stdout]   |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Ext4LblkT`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_RDWR` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     O_RDWR,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `ORdwr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_CREAT` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     O_CREAT,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OCreat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_EXCL` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     O_EXCL,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `OExcl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ext4_fsblk_t` should have an upper camel case name
[INFO] [stdout]  --> src/consts.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type ext4_fsblk_t = u64;
[INFO] [stdout]   |          ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Ext4FsblkT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NOCTTY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     O_NOCTTY,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ONoctty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_ACCMODE` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     O_ACCMODE,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `OAccmode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_TRUNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     O_TRUNC,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OTrunc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_RDONLY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     O_RDONLY,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ORdonly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_APPEND` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     O_APPEND,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `OAppend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_WRONLY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     O_WRONLY,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `OWronly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_RDWR` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     O_RDWR,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `ORdwr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NONBLOCK` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     O_NONBLOCK,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ONonblock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_CREAT` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     O_CREAT,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OCreat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_SYNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     O_SYNC,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `OSync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_ASYNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     O_ASYNC,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OAsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_EXCL` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     O_EXCL,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `OExcl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_LARGEFILE` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     O_LARGEFILE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `OLargefile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NOCTTY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     O_NOCTTY,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ONoctty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_DIRECTORY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     O_DIRECTORY,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ODirectory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_TRUNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     O_TRUNC,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OTrunc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NOFOLLOW` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     O_NOFOLLOW,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ONofollow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_CLOEXEC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     O_CLOEXEC,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `OCloexec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_APPEND` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     O_APPEND,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `OAppend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_DIRECT` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     O_DIRECT,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ODirect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NONBLOCK` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     O_NONBLOCK,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ONonblock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NOATIME` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     O_NOATIME,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `ONoatime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_SYNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     O_SYNC,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `OSync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_PATH` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     O_PATH,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `OPath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_DSYNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     O_DSYNC,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `ODsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_ASYNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     O_ASYNC,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `OAsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::string`
[INFO] [stdout]  --> src/ext4.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_LARGEFILE` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     O_LARGEFILE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `OLargefile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::marker::PhantomData`
[INFO] [stdout]  --> src/ext4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_DIRECTORY` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     O_DIRECTORY,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ODirectory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NOFOLLOW` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     O_NOFOLLOW,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `ONofollow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_CLOEXEC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     O_CLOEXEC,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `OCloexec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_DIRECT` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     O_DIRECT,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case: `ODirect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_NOATIME` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     O_NOATIME,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `ONoatime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_PATH` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     O_PATH,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `OPath`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O_DSYNC` should have an upper camel case name
[INFO] [stdout]   --> src/consts.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     O_DSYNC,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `ODsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::string`
[INFO] [stdout]  --> src/ext4.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alloc::string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use ext4::*;
[INFO] [stdout]    |         ^^^^^^^ the name `ext4_ext_find_extent` in the value namespace is first re-exported here
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout] 14 | pub use ext4_defs::*;
[INFO] [stdout]    |         ------------ but the name `ext4_ext_find_extent` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::marker::PhantomData`
[INFO] [stdout]  --> src/ext4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use ext4::*;
[INFO] [stdout]    |         ^^^^^^^ the name `ext4_ext_find_extent` in the value namespace is first re-exported here
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout] 14 | pub use ext4_defs::*;
[INFO] [stdout]    |         ------------ but the name `ext4_ext_find_extent` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: cannot cast `dyn ext4::BlockDevice` to `dyn std::any::Any`, trait upcasting coercion is experimental
[INFO] [stdout]   --> src/ext4.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |         (self as &dyn Any).downcast_ref::<T>()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #65991 <https://github.com/rust-lang/rust/issues/65991> for more information
[INFO] [stdout]    = help: add `#![feature(trait_upcasting)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-02-17; consider upgrading it if it is out of date
[INFO] [stdout]    = note: required when coercing `&(dyn ext4::BlockDevice + 'static)` into `&(dyn std::any::Any + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: cannot cast `dyn ext4::BlockDevice` to `dyn std::any::Any`, trait upcasting coercion is experimental
[INFO] [stdout]   --> src/ext4.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |         (self as &dyn Any).downcast_ref::<T>()
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #65991 <https://github.com/rust-lang/rust/issues/65991> for more information
[INFO] [stdout]    = help: add `#![feature(trait_upcasting)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-02-17; consider upgrading it if it is out of date
[INFO] [stdout]    = note: required when coercing `&(dyn ext4::BlockDevice + 'static)` into `&(dyn std::any::Any + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitflags::Flags`
[INFO] [stdout]  --> src/ext4.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bitflags::Flags;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitflags::Flags`
[INFO] [stdout]  --> src/ext4.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bitflags::Flags;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fs`
[INFO] [stdout]   --> src/ext4.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |             |fs: Weak<Ext4>, block_device: Arc<dyn BlockDevice>| -> Result<Vec<Ext4BlockGroup>> {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_fs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fs`
[INFO] [stdout]   --> src/ext4.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |             |fs: Weak<Ext4>, block_device: Arc<dyn BlockDevice>| -> Result<Vec<Ext4BlockGroup>> {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_fs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iflags` is never read
[INFO] [stdout]    --> src/ext4.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut iflags = 0;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `filetype` is never read
[INFO] [stdout]    --> src/ext4.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut filetype = DirEntryType::EXT4_DE_UNKNOWN;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mp_name`
[INFO] [stdout]    --> src/ext4.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mp_name = mp.mount_name.as_bytes();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mp_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/ext4.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut len = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/ext4.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |             let name = get_name(
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_inode`
[INFO] [stdout]    --> src/ext4.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         parent_inode: &mut Ext4InodeRef,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iflags` is never read
[INFO] [stdout]    --> src/ext4.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut iflags = 0;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut de = Ext4DirEntry::default();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `filetype` is never read
[INFO] [stdout]    --> src/ext4.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut filetype = DirEntryType::EXT4_DE_UNKNOWN;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut root_inode_ref = Ext4InodeRef::get_inode_ref(self.self_ref.clone(), 2);
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 let mut r;
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/ext4.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let super_block = &self.super_block;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mp_name`
[INFO] [stdout]    --> src/ext4.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mp_name = mp.mount_name.as_bytes();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mp_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `len` is never read
[INFO] [stdout]    --> src/ext4.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut len = 0;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/ext4.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |             let name = get_name(
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_inode`
[INFO] [stdout]    --> src/ext4.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         parent_inode: &mut Ext4InodeRef,
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_inode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |     let r = ext4_dir_add_entry(parent, child, name, name_len);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut de = Ext4DirEntry::default();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let r = ext4_dir_add_entry(&mut child_inode_ref, child, ".", 1);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:407:13
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let r = ext4_dir_add_entry(&mut child_inode_ref, child, "..", 2);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut root_inode_ref = Ext4InodeRef::get_inode_ref(self.self_ref.clone(), 2);
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 let mut r;
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_block`
[INFO] [stdout]    --> src/ext4.rs:305:13
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let super_block = &self.super_block;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]    --> src/ext4.rs:429:13
[INFO] [stdout]     |
[INFO] [stdout] 429 |     let mut success = false;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:448:13
[INFO] [stdout]     |
[INFO] [stdout] 448 |         let r = ext4_dir_try_insert_entry(parent, &mut ext4_block, child, path, len);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |     let mut success = false;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |     let r = ext4_dir_add_entry(parent, child, name, name_len);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let r = ext4_dir_add_entry(&mut child_inode_ref, child, ".", 1);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:407:13
[INFO] [stdout]     |
[INFO] [stdout] 407 |         let r = ext4_dir_add_entry(&mut child_inode_ref, child, "..", 2);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `success`
[INFO] [stdout]    --> src/ext4.rs:429:13
[INFO] [stdout]     |
[INFO] [stdout] 429 |     let mut success = false;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/ext4.rs:448:13
[INFO] [stdout]     |
[INFO] [stdout] 448 |         let r = ext4_dir_try_insert_entry(parent, &mut ext4_block, child, path, len);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/ext4.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |     let name = get_name(en.name, en.name_len as usize).unwrap();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |     let mut success = false;
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_size`
[INFO] [stdout]    --> src/ext4.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |     let inode_size = inode_ref.fs().super_block.inode_size();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |     let mut current_block: ext4_fsblk_t;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:599:9
[INFO] [stdout]     |
[INFO] [stdout] 599 |     let mut inode = &mut inode_ref.inner.inode;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc`
[INFO] [stdout]    --> src/ext4.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |     let rc = ext4_ialloc_alloc_inode(child_inode_ref.fs(), &mut index, is_dir);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mode` is never read
[INFO] [stdout]    --> src/ext4.rs:644:13
[INFO] [stdout]     |
[INFO] [stdout] 644 |     let mut mode = 0 as u16;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/ext4.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |     let name = get_name(en.name, en.name_len as usize).unwrap();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:641:9
[INFO] [stdout]     |
[INFO] [stdout] 641 |     let mut inode = &mut child_inode_ref.inner.inode;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_ref`
[INFO] [stdout]    --> src/ext4.rs:678:32
[INFO] [stdout]     |
[INFO] [stdout] 678 | pub fn ext4_dir_destroy_result(inode_ref: &mut Ext4InodeRef, result: &mut Ext4DirSearchResult) {
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_size`
[INFO] [stdout]    --> src/ext4.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |     let inode_size = inode_ref.fs().super_block.inode_size();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |     let mut current_block: ext4_fsblk_t;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `allocated` is never read
[INFO] [stdout]    --> src/ext4.rs:758:13
[INFO] [stdout]     |
[INFO] [stdout] 758 |     let mut allocated: u32 = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `create`
[INFO] [stdout]    --> src/ext4.rs:728:5
[INFO] [stdout]     |
[INFO] [stdout] 728 |     create: bool,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks_count`
[INFO] [stdout]    --> src/ext4.rs:729:5
[INFO] [stdout]     |
[INFO] [stdout] 729 |     blocks_count: &mut u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:599:9
[INFO] [stdout]     |
[INFO] [stdout] 599 |     let mut inode = &mut inode_ref.inner.inode;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rc`
[INFO] [stdout]    --> src/ext4.rs:637:9
[INFO] [stdout]     |
[INFO] [stdout] 637 |     let rc = ext4_ialloc_alloc_inode(child_inode_ref.fs(), &mut index, is_dir);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_rc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `mode` is never read
[INFO] [stdout]    --> src/ext4.rs:644:13
[INFO] [stdout]     |
[INFO] [stdout] 644 |     let mut mode = 0 as u16;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:736:9
[INFO] [stdout]     |
[INFO] [stdout] 736 |     let mut newblock: ext4_fsblk_t;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:641:9
[INFO] [stdout]     |
[INFO] [stdout] 641 |     let mut inode = &mut child_inode_ref.inner.inode;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_ref`
[INFO] [stdout]    --> src/ext4.rs:678:32
[INFO] [stdout]     |
[INFO] [stdout] 678 | pub fn ext4_dir_destroy_result(inode_ref: &mut Ext4InodeRef, result: &mut Ext4DirSearchResult) {
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block` is never read
[INFO] [stdout]    --> src/ext4.rs:835:13
[INFO] [stdout]     |
[INFO] [stdout] 835 |     let mut block = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ext4.rs:837:5
[INFO] [stdout]     |
[INFO] [stdout] 837 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `allocated` is never read
[INFO] [stdout]    --> src/ext4.rs:758:13
[INFO] [stdout]     |
[INFO] [stdout] 758 |     let mut allocated: u32 = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `create`
[INFO] [stdout]    --> src/ext4.rs:728:5
[INFO] [stdout]     |
[INFO] [stdout] 728 |     create: bool,
[INFO] [stdout]     |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks_count`
[INFO] [stdout]    --> src/ext4.rs:729:5
[INFO] [stdout]     |
[INFO] [stdout] 729 |     blocks_count: &mut u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:913:9
[INFO] [stdout]     |
[INFO] [stdout] 913 |     let mut depth = ext_depth(&inode_ref.inner.inode);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_ex`
[INFO] [stdout]    --> src/ext4.rs:931:9
[INFO] [stdout]     |
[INFO] [stdout] 931 |     let last_ex = ext_last_extent(eh);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_ex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `diskblock` is never read
[INFO] [stdout]    --> src/ext4.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |     let mut diskblock = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_ref`
[INFO] [stdout]    --> src/ext4.rs:922:5
[INFO] [stdout]     |
[INFO] [stdout] 922 |     inode_ref: &mut Ext4InodeRef,
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/ext4.rs:924:5
[INFO] [stdout]     |
[INFO] [stdout] 924 |     depth: u16,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/ext4.rs:926:5
[INFO] [stdout]     |
[INFO] [stdout] 926 |     flags: i32,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ext4.rs:964:9
[INFO] [stdout]     |
[INFO] [stdout] 964 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:736:9
[INFO] [stdout]     |
[INFO] [stdout] 736 |     let mut newblock: ext4_fsblk_t;
[INFO] [stdout]     |         ----^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block` is never read
[INFO] [stdout]    --> src/ext4.rs:835:13
[INFO] [stdout]     |
[INFO] [stdout] 835 |     let mut block = 0;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ext4.rs:837:5
[INFO] [stdout]     |
[INFO] [stdout] 837 |     unsafe {
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_level`
[INFO] [stdout]     --> src/ext4.rs:1037:5
[INFO] [stdout]      |
[INFO] [stdout] 1037 |     first_level: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4.rs:913:9
[INFO] [stdout]     |
[INFO] [stdout] 913 |     let mut depth = ext_depth(&inode_ref.inner.inode);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_ex`
[INFO] [stdout]    --> src/ext4.rs:931:9
[INFO] [stdout]     |
[INFO] [stdout] 931 |     let last_ex = ext_last_extent(eh);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_ex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `diskblock` is never read
[INFO] [stdout]    --> src/ext4.rs:933:13
[INFO] [stdout]     |
[INFO] [stdout] 933 |     let mut diskblock = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_ref`
[INFO] [stdout]    --> src/ext4.rs:922:5
[INFO] [stdout]     |
[INFO] [stdout] 922 |     inode_ref: &mut Ext4InodeRef,
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_ref`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]    --> src/ext4.rs:924:5
[INFO] [stdout]     |
[INFO] [stdout] 924 |     depth: u16,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `block_nr` is assigned to, but never used
[INFO] [stdout]     --> src/ext4.rs:1122:13
[INFO] [stdout]      |
[INFO] [stdout] 1122 |     let mut block_nr: ext4_fsblk_t;
[INFO] [stdout]      |             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_block_nr` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/ext4.rs:926:5
[INFO] [stdout]     |
[INFO] [stdout] 926 |     flags: i32,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ext4.rs:964:9
[INFO] [stdout]     |
[INFO] [stdout] 964 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block_nr` is never read
[INFO] [stdout]     --> src/ext4.rs:1148:9
[INFO] [stdout]      |
[INFO] [stdout] 1148 |         block_nr = path[ppos].p_block;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]     --> src/ext4.rs:1159:9
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     let r = ext4_ext_binsearch(&mut path[ppos], iblock);
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig_path`
[INFO] [stdout]     --> src/ext4.rs:1119:5
[INFO] [stdout]      |
[INFO] [stdout] 1119 |     orig_path: &mut Ext4ExtentPath,
[INFO] [stdout]      |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_level`
[INFO] [stdout]     --> src/ext4.rs:1037:5
[INFO] [stdout]      |
[INFO] [stdout] 1037 |     first_level: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extent_create`
[INFO] [stdout]     --> src/ext4.rs:1229:5
[INFO] [stdout]      |
[INFO] [stdout] 1229 |     extent_create: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extent_create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4.rs:1231:9
[INFO] [stdout]      |
[INFO] [stdout] 1231 |     let mut current_block: ext4_fsblk_t;
[INFO] [stdout]      |         ----^^^^^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_block`
[INFO] [stdout]     --> src/ext4.rs:1257:13
[INFO] [stdout]      |
[INFO] [stdout] 1257 |     let mut current_block: ext4_fsblk_t;
[INFO] [stdout]      |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fblock`
[INFO] [stdout]     --> src/ext4.rs:1253:5
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     fblock: &mut ext4_fsblk_t,
[INFO] [stdout]      |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fblock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `support_unwritten`
[INFO] [stdout]     --> src/ext4.rs:1255:5
[INFO] [stdout]      |
[INFO] [stdout] 1255 |     support_unwritten: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_support_unwritten`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `block_nr` is assigned to, but never used
[INFO] [stdout]     --> src/ext4.rs:1122:13
[INFO] [stdout]      |
[INFO] [stdout] 1122 |     let mut block_nr: ext4_fsblk_t;
[INFO] [stdout]      |             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_block_nr` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `block_nr` is never read
[INFO] [stdout]     --> src/ext4.rs:1148:9
[INFO] [stdout]      |
[INFO] [stdout] 1148 |         block_nr = path[ppos].p_block;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]     --> src/ext4.rs:1159:9
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     let r = ext4_ext_binsearch(&mut path[ppos], iblock);
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig_path`
[INFO] [stdout]     --> src/ext4.rs:1119:5
[INFO] [stdout]      |
[INFO] [stdout] 1119 |     orig_path: &mut Ext4ExtentPath,
[INFO] [stdout]      |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extent_create`
[INFO] [stdout]     --> src/ext4.rs:1229:5
[INFO] [stdout]      |
[INFO] [stdout] 1229 |     extent_create: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extent_create`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4.rs:1231:9
[INFO] [stdout]      |
[INFO] [stdout] 1231 |     let mut current_block: ext4_fsblk_t;
[INFO] [stdout]      |         ----^^^^^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_block`
[INFO] [stdout]     --> src/ext4.rs:1257:13
[INFO] [stdout]      |
[INFO] [stdout] 1257 |     let mut current_block: ext4_fsblk_t;
[INFO] [stdout]      |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fblock`
[INFO] [stdout]     --> src/ext4.rs:1253:5
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     fblock: &mut ext4_fsblk_t,
[INFO] [stdout]      |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fblock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `support_unwritten`
[INFO] [stdout]     --> src/ext4.rs:1255:5
[INFO] [stdout]      |
[INFO] [stdout] 1255 |     support_unwritten: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_support_unwritten`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4.rs:1314:13
[INFO] [stdout]      |
[INFO] [stdout] 1314 |         let mut raw_data = fs.block_device.read_offset(BASE_OFFSET);
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4.rs:1314:13
[INFO] [stdout]      |
[INFO] [stdout] 1314 |         let mut raw_data = fs.block_device.read_offset(BASE_OFFSET);
[INFO] [stdout]      |             ----^^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_id`
[INFO] [stdout]    --> src/ext4_defs.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |         inode_id: u32,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4_defs.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut inode_table_blk_num =
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4_defs.rs:515:13
[INFO] [stdout]     |
[INFO] [stdout] 515 |         let mut offset =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inode_id`
[INFO] [stdout]    --> src/ext4_defs.rs:393:9
[INFO] [stdout]     |
[INFO] [stdout] 393 |         inode_id: u32,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inode_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig_checksum`
[INFO] [stdout]    --> src/ext4_defs.rs:538:13
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let orig_checksum = self.get_checksum(super_block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `checksum` is never read
[INFO] [stdout]    --> src/ext4_defs.rs:539:17
[INFO] [stdout]     |
[INFO] [stdout] 539 |         let mut checksum = 0;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4_defs.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |         let mut inode_table_blk_num =
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ext4_defs.rs:515:13
[INFO] [stdout]     |
[INFO] [stdout] 515 |         let mut offset =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orig_checksum`
[INFO] [stdout]    --> src/ext4_defs.rs:538:13
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let orig_checksum = self.get_checksum(super_block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orig_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `checksum` is never read
[INFO] [stdout]    --> src/ext4_defs.rs:539:17
[INFO] [stdout]     |
[INFO] [stdout] 539 |         let mut checksum = 0;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `orig_checksum` is never read
[INFO] [stdout]    --> src/ext4_defs.rs:719:17
[INFO] [stdout]     |
[INFO] [stdout] 719 |         let mut orig_checksum = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `checksum` is never read
[INFO] [stdout]    --> src/ext4_defs.rs:720:17
[INFO] [stdout]     |
[INFO] [stdout] 720 |         let mut checksum = 0;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `orig_checksum` is never read
[INFO] [stdout]    --> src/ext4_defs.rs:719:17
[INFO] [stdout]     |
[INFO] [stdout] 719 |         let mut orig_checksum = 0;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `checksum` is never read
[INFO] [stdout]    --> src/ext4_defs.rs:720:17
[INFO] [stdout]     |
[INFO] [stdout] 720 |         let mut checksum = 0;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4_defs.rs:1129:13
[INFO] [stdout]      |
[INFO] [stdout] 1129 |         let mut inner = Inner {
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4_defs.rs:1134:13
[INFO] [stdout]      |
[INFO] [stdout] 1134 |         let mut inode = Self {
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4_defs.rs:1162:13
[INFO] [stdout]      |
[INFO] [stdout] 1162 |         let mut data = fs.block_device.read_offset(offset);
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4_defs.rs:1129:13
[INFO] [stdout]      |
[INFO] [stdout] 1129 |         let mut inner = Inner {
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4_defs.rs:1134:13
[INFO] [stdout]      |
[INFO] [stdout] 1134 |         let mut inode = Self {
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/ext4_defs.rs:1162:13
[INFO] [stdout]      |
[INFO] [stdout] 1162 |         let mut data = fs.block_device.read_offset(offset);
[INFO] [stdout]      |             ----^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `csum` is never read
[INFO] [stdout]     --> src/ext4_defs.rs:1322:17
[INFO] [stdout]      |
[INFO] [stdout] 1322 |         let mut csum = 0;
[INFO] [stdout]      |                 ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `csum` is never read
[INFO] [stdout]     --> src/ext4_defs.rs:1322:17
[INFO] [stdout]      |
[INFO] [stdout] 1322 |         let mut csum = 0;
[INFO] [stdout]      |                 ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `csum` is never read
[INFO] [stdout]     --> src/ext4_defs.rs:1509:13
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     let mut csum = 0;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `csum` is never read
[INFO] [stdout]     --> src/ext4_defs.rs:1518:13
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     let mut csum = 0;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/ext4_defs.rs:1540:17
[INFO] [stdout]      |
[INFO] [stdout] 1540 |     let mut r = unsafe { ext4_last_extent_mut(eh) };
[INFO] [stdout]      |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/ext4_defs.rs:1579:17
[INFO] [stdout]      |
[INFO] [stdout] 1579 |     let mut r = unsafe { ext4_last_extent(eh) };
[INFO] [stdout]      |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/ext4_defs.rs:1648:17
[INFO] [stdout]      |
[INFO] [stdout] 1648 |     let mut r = unsafe { ext4_last_extent_index_mut(eh) };
[INFO] [stdout]      |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `csum` is never read
[INFO] [stdout]     --> src/ext4_defs.rs:1509:13
[INFO] [stdout]      |
[INFO] [stdout] 1509 |     let mut csum = 0;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `csum` is never read
[INFO] [stdout]     --> src/ext4_defs.rs:1518:13
[INFO] [stdout]      |
[INFO] [stdout] 1518 |     let mut csum = 0;
[INFO] [stdout]      |             ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/ext4_defs.rs:1540:17
[INFO] [stdout]      |
[INFO] [stdout] 1540 |     let mut r = unsafe { ext4_last_extent_mut(eh) };
[INFO] [stdout]      |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/ext4_defs.rs:1579:17
[INFO] [stdout]      |
[INFO] [stdout] 1579 |     let mut r = unsafe { ext4_last_extent(eh) };
[INFO] [stdout]      |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]     --> src/ext4_defs.rs:1648:17
[INFO] [stdout]      |
[INFO] [stdout] 1648 |     let mut r = unsafe { ext4_last_extent_index_mut(eh) };
[INFO] [stdout]      |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 93 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 93 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ext4_rs` (lib test) due to 2 previous errors; 93 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ext4_rs` (lib) due to 2 previous errors; 93 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2163686fba1fce639772dad6a10e822b157cc622ec12ad4d3c0c7c7e07cf5df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2163686fba1fce639772dad6a10e822b157cc622ec12ad4d3c0c7c7e07cf5df9", kill_on_drop: false }`
[INFO] [stdout] 2163686fba1fce639772dad6a10e822b157cc622ec12ad4d3c0c7c7e07cf5df9