[INFO] fetching crate game_kernel_vfs 0.1.0...
[INFO] building game_kernel_vfs-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate game_kernel_vfs 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate game_kernel_vfs 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game_kernel_vfs 0.1.0
[INFO] finished tweaking crates.io crate game_kernel_vfs 0.1.0
[INFO] tweaked toml for crates.io crate game_kernel_vfs 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded game_kernel_utils v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4186d3cd1838e0735eacc7a35c89f75ed2e4d74ea168c420489ec7c9914d8fe4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4186d3cd1838e0735eacc7a35c89f75ed2e4d74ea168c420489ec7c9914d8fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4186d3cd1838e0735eacc7a35c89f75ed2e4d74ea168c420489ec7c9914d8fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4186d3cd1838e0735eacc7a35c89f75ed2e4d74ea168c420489ec7c9914d8fe4", kill_on_drop: false }`
[INFO] [stdout] 4186d3cd1838e0735eacc7a35c89f75ed2e4d74ea168c420489ec7c9914d8fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aa91d9d412d731a87edfc750805e81ef95f1f81488c386023008675fdbf0b5c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8aa91d9d412d731a87edfc750805e81ef95f1f81488c386023008675fdbf0b5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling hashbag v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling evmap v10.0.2
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling game_kernel_utils v0.1.0
[INFO] [stderr]    Compiling game_kernel_vfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RefCell`, `Ref`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RwLockReadGuard`, `RwLock`
[INFO] [stdout]  --> src/lib.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, RwLock, RwLockReadGuard};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapMap`
[INFO] [stdout]  --> src/lib.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | use game_kernel_utils::{MapAbstract, MapMap};
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn as_ro(&self) -> &VROFile;
[INFO] [stdout]    |                         ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn as_ro(&self) -> &VROFile {
[INFO] [stdout]    |                         ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `file` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `File`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |              ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ro_file` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `RoFile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |                 ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `directory` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     directory(Directory),
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `Directory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:157:19
[INFO] [stdout]     |
[INFO] [stdout] 157 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:198:19
[INFO] [stdout]     |
[INFO] [stdout] 198 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let dir = match (&mut Arc::get_mut(&mut b).ok_or(())?.obj_type) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:247:15
[INFO] [stdout]     |
[INFO] [stdout] 247 |         match ((obj.can_read(&self.user), obj.can_write(&self.user), perm)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         match ((obj.can_read(&self.user), obj.can_write(&self.user), perm)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapAbstract`
[INFO] [stdout]  --> src/lib.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use game_kernel_utils::{MapAbstract, MapMap};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let (path, name) = path.split_at_base();
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `file`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ro_file`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ro`
[INFO] [stdout]   --> src/lib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     ro: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acl`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     acl: HashMap<u32, Permissions>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user`
[INFO] [stdout]    --> src/lib.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     user: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vfs`
[INFO] [stdout]    --> src/lib.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     vfs: &'a Vfs,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_permission`
[INFO] [stdout]    --> src/lib.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn check_permission<T>(&self, obj: T, perm: Permissions) -> Result<T, ()>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_permission_mut`
[INFO] [stdout]    --> src/lib.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn check_permission_mut<T>(&self, obj: T, perm: Permissions) -> Result<T, ()>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `own_acl`
[INFO] [stdout]    --> src/lib.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn own_acl(&self) -> HashMap<u32, Permissions> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | /     dir.put_object(FsObject {
[INFO] [stdout] 225 | |         //parent: Some(RefCell::new(*dir)),
[INFO] [stdout] 226 | |         obj_type: FsObjTypes::directory(driver_tobject.get_root()),
[INFO] [stdout] 227 | |         name: filename,
[INFO] [stdout] 228 | |         acl: HashMap::new(),
[INFO] [stdout] 229 | |     });
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "8aa91d9d412d731a87edfc750805e81ef95f1f81488c386023008675fdbf0b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa91d9d412d731a87edfc750805e81ef95f1f81488c386023008675fdbf0b5c", kill_on_drop: false }`
[INFO] [stdout] 8aa91d9d412d731a87edfc750805e81ef95f1f81488c386023008675fdbf0b5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0ad8a6c3e3dcc73b3cecd18d6f6ba49d72765ae0a4ccbe853efd423a341601
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be0ad8a6c3e3dcc73b3cecd18d6f6ba49d72765ae0a4ccbe853efd423a341601", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `RefCell`, `Ref`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RwLockReadGuard`, `RwLock`
[INFO] [stdout]  --> src/lib.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, RwLock, RwLockReadGuard};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapMap`
[INFO] [stdout]  --> src/lib.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | use game_kernel_utils::{MapAbstract, MapMap};
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn as_ro(&self) -> &VROFile;
[INFO] [stdout]    |                         ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn as_ro(&self) -> &VROFile {
[INFO] [stdout]    |                         ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling game_kernel_vfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `file` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `File`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |              ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ro_file` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `RoFile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |                 ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `directory` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     directory(Directory),
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `Directory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:157:19
[INFO] [stdout]     |
[INFO] [stdout] 157 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:198:19
[INFO] [stdout]     |
[INFO] [stdout] 198 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let dir = match (&mut Arc::get_mut(&mut b).ok_or(())?.obj_type) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:247:15
[INFO] [stdout]     |
[INFO] [stdout] 247 |         match ((obj.can_read(&self.user), obj.can_write(&self.user), perm)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         match ((obj.can_read(&self.user), obj.can_write(&self.user), perm)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapAbstract`
[INFO] [stdout]  --> src/lib.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use game_kernel_utils::{MapAbstract, MapMap};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let (path, name) = path.split_at_base();
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `file`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ro_file`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ro`
[INFO] [stdout]   --> src/lib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     ro: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acl`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     acl: HashMap<u32, Permissions>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user`
[INFO] [stdout]    --> src/lib.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     user: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vfs`
[INFO] [stdout]    --> src/lib.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     vfs: &'a Vfs,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_permission`
[INFO] [stdout]    --> src/lib.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn check_permission<T>(&self, obj: T, perm: Permissions) -> Result<T, ()>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_permission_mut`
[INFO] [stdout]    --> src/lib.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn check_permission_mut<T>(&self, obj: T, perm: Permissions) -> Result<T, ()>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `own_acl`
[INFO] [stdout]    --> src/lib.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn own_acl(&self) -> HashMap<u32, Permissions> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | /     dir.put_object(FsObject {
[INFO] [stdout] 225 | |         //parent: Some(RefCell::new(*dir)),
[INFO] [stdout] 226 | |         obj_type: FsObjTypes::directory(driver_tobject.get_root()),
[INFO] [stdout] 227 | |         name: filename,
[INFO] [stdout] 228 | |         acl: HashMap::new(),
[INFO] [stdout] 229 | |     });
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `Ref`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RwLockReadGuard`, `RwLock`
[INFO] [stdout]  --> src/lib.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::{Arc, RwLock, RwLockReadGuard};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapMap`
[INFO] [stdout]  --> src/lib.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | use game_kernel_utils::{MapAbstract, MapMap};
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn as_ro(&self) -> &VROFile;
[INFO] [stdout]    |                         ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn as_ro(&self) -> &VROFile {
[INFO] [stdout]    |                         ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `file` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `File`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |              ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ro_file` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `RoFile`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |                 ^^^^^^^ help: use `dyn`: `dyn VROFile`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `directory` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     directory(Directory),
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `Directory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:157:19
[INFO] [stdout]     |
[INFO] [stdout] 157 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 177 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:198:19
[INFO] [stdout]     |
[INFO] [stdout] 198 |             match (curr_obj.obj_type) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let dir = match (&mut Arc::get_mut(&mut b).ok_or(())?.obj_type) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:247:15
[INFO] [stdout]     |
[INFO] [stdout] 247 |         match ((obj.can_read(&self.user), obj.can_write(&self.user), perm)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/lib.rs:258:15
[INFO] [stdout]     |
[INFO] [stdout] 258 |         match ((obj.can_read(&self.user), obj.can_write(&self.user), perm)) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MapAbstract`
[INFO] [stdout]  --> src/lib.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use game_kernel_utils::{MapAbstract, MapMap};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let (path, name) = path.split_at_base();
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `file`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     file(Box<VFile>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ro_file`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ro_file(Box<VROFile>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/lib.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ro`
[INFO] [stdout]   --> src/lib.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     ro: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acl`
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     acl: HashMap<u32, Permissions>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user`
[INFO] [stdout]    --> src/lib.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     user: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vfs`
[INFO] [stdout]    --> src/lib.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     vfs: &'a Vfs,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_permission`
[INFO] [stdout]    --> src/lib.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn check_permission<T>(&self, obj: T, perm: Permissions) -> Result<T, ()>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_permission_mut`
[INFO] [stdout]    --> src/lib.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     fn check_permission_mut<T>(&self, obj: T, perm: Permissions) -> Result<T, ()>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `own_acl`
[INFO] [stdout]    --> src/lib.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 |     fn own_acl(&self) -> HashMap<u32, Permissions> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 | /     dir.put_object(FsObject {
[INFO] [stdout] 225 | |         //parent: Some(RefCell::new(*dir)),
[INFO] [stdout] 226 | |         obj_type: FsObjTypes::directory(driver_tobject.get_root()),
[INFO] [stdout] 227 | |         name: filename,
[INFO] [stdout] 228 | |         acl: HashMap::new(),
[INFO] [stdout] 229 | |     });
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "be0ad8a6c3e3dcc73b3cecd18d6f6ba49d72765ae0a4ccbe853efd423a341601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0ad8a6c3e3dcc73b3cecd18d6f6ba49d72765ae0a4ccbe853efd423a341601", kill_on_drop: false }`
[INFO] [stdout] be0ad8a6c3e3dcc73b3cecd18d6f6ba49d72765ae0a4ccbe853efd423a341601
