[INFO] fetching crate sys_util 0.1.0...
[INFO] testing sys_util-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate sys_util 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sys_util 0.1.0
[INFO] finished tweaking crates.io crate sys_util 0.1.0
[INFO] tweaked toml for crates.io crate sys_util 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sys_util 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6775f5c28fd4df62846d5aa798edc0c70096112e74ac191b1cc9062c53de780d
[INFO] running `Command { std: "docker" "start" "-a" "6775f5c28fd4df62846d5aa798edc0c70096112e74ac191b1cc9062c53de780d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6775f5c28fd4df62846d5aa798edc0c70096112e74ac191b1cc9062c53de780d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6775f5c28fd4df62846d5aa798edc0c70096112e74ac191b1cc9062c53de780d", kill_on_drop: false }`
[INFO] [stdout] 6775f5c28fd4df62846d5aa798edc0c70096112e74ac191b1cc9062c53de780d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e696b4cd061cfece90b45d66fa36040a76b7ffd7c306760b3580d96cc152db
[INFO] running `Command { std: "docker" "start" "-a" "d1e696b4cd061cfece90b45d66fa36040a76b7ffd7c306760b3580d96cc152db", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling assertions v0.1.0
[INFO] [stderr]    Compiling sync_panic v0.1.0
[INFO] [stderr]    Compiling syscall_defines v0.1.0
[INFO] [stderr]    Compiling data_model v0.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling poll_token_derive v0.1.0
[INFO] [stderr]    Compiling sys_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/sock_ctrl_msg.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg_attr(feature = "cargo-clippy", allow(cast_ptr_alignment))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/sock_ctrl_msg.rs:315:16
[INFO] [stdout]     |
[INFO] [stdout] 315 |     #[cfg_attr(feature = "cargo-clippy", allow(useless_asref))]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syslog.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     let mut state = lock!();
[INFO] [stdout]     |                     ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syslog.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 280 |     let mut state = lock!();
[INFO] [stdout]     |                     ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syslog.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 329 |     let mut state = lock!();
[INFO] [stdout]     |                     ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syslog.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 342 |     let mut state = lock!();
[INFO] [stdout]     |                     ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syslog.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 353 |     let state = lock!();
[INFO] [stdout]     |                 ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/syslog.rs:252:10
[INFO] [stdout]     |
[INFO] [stdout] 252 |         };
[INFO] [stdout]     |          ^
[INFO] [stdout] ...
[INFO] [stdout] 427 |     let mut state = lock!();
[INFO] [stdout]     |                     ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `lock` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/syslog.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 | use std::sync::{MutexGuard, Once, ONCE_INIT};
[INFO] [stdout]    |                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]    --> src/syslog.rs:207:27
[INFO] [stdout]     |
[INFO] [stdout] 207 | static STATE_ONCE: Once = ONCE_INIT;
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 207 - static STATE_ONCE: Once = ONCE_INIT;
[INFO] [stdout] 207 + static STATE_ONCE: Once = Once::new();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/net.rs:16:44
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:290:28
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn add(&self, fd: &AsRawFd, token: T) -> Result<()> {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 290 |     pub fn add(&self, fd: &dyn AsRawFd, token: T) -> Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:300:43
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn add_fd_with_events(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 300 |     pub fn add_fd_with_events(&self, fd: &dyn AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:323:31
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn modify(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn modify(&self, fd: &dyn AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:350:31
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn delete(&self, fd: &AsRawFd) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn delete(&self, fd: &dyn AsRawFd) -> Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:494:28
[INFO] [stdout]     |
[INFO] [stdout] 494 |     pub fn add(&self, fd: &AsRawFd, token: T) -> Result<()> {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 494 |     pub fn add(&self, fd: &dyn AsRawFd, token: T) -> Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:504:43
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn add_fd_with_events(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                                           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn add_fd_with_events(&self, fd: &dyn AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:513:31
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn modify(&self, fd: &AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 513 |     pub fn modify(&self, fd: &dyn AsRawFd, events: WatchingEvents, token: T) -> Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/poll.rs:523:31
[INFO] [stdout]     |
[INFO] [stdout] 523 |     pub fn delete(&self, fd: &AsRawFd) -> Result<()> {
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 523 |     pub fn delete(&self, fd: &dyn AsRawFd) -> Result<()> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:149:21
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn flock(file: &AsRawFd, op: FlockOperation, nonblocking: bool) -> Result<()> {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn flock(file: &dyn AsRawFd, op: FlockOperation, nonblocking: bool) -> Result<()> {
[INFO] [stdout]     |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |     file: &AsRawFd,
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 178 |     file: &dyn AsRawFd,
[INFO] [stdout]     |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file_flags.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_file(file: &AsRawFd) -> Result<FileFlags> {
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn from_file(file: &dyn AsRawFd) -> Result<FileFlags> {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mmap.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn from_fd(fd: &AsRawFd, size: usize) -> Result<MemoryMapping> {
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn from_fd(fd: &dyn AsRawFd, size: usize) -> Result<MemoryMapping> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mmap.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn from_fd_offset(fd: &AsRawFd, size: usize, offset: usize) -> Result<MemoryMapping> {
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn from_fd_offset(fd: &dyn AsRawFd, size: usize, offset: usize) -> Result<MemoryMapping> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/guest_memory.rs:250:32
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub fn read_at_addr(&self, mut buf: &mut [u8], guest_addr: GuestAddress) -> Result<usize> {
[INFO] [stdout]     |                                ----^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guest_memory.rs:467:18
[INFO] [stdout]     |
[INFO] [stdout] 467 |     fn get_slice(&self, offset: u64, count: u64) -> VolatileMemoryResult<VolatileSlice> {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here                       ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 467 |     fn get_slice(&self, offset: u64, count: u64) -> VolatileMemoryResult<VolatileSlice<'_>> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mmap.rs:377:18
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn get_slice(&self, offset: u64, count: u64) -> VolatileMemoryResult<VolatileSlice> {
[INFO] [stdout]     |                  ^^^^^ the lifetime is elided here                       ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 377 |     fn get_slice(&self, offset: u64, count: u64) -> VolatileMemoryResult<VolatileSlice<'_>> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `sockaddr_un` does not permit being left uninitialized
[INFO] [stdout]   --> src/net.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let addr: libc::sockaddr_un = mem::uninitialized();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this code causes undefined behavior when executed
[INFO] [stdout]    |                                       help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poll.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter(&self) -> PollEventIter<slice::Iter<epoll_event>, T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |         |             |
[INFO] [stdout]     |                 |         |             the same lifetime is hidden here
[INFO] [stdout]     |                 |         the same lifetime is hidden here
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter(&self) -> PollEventIter<'_, slice::Iter<'_, epoll_event>, T> {
[INFO] [stdout]     |                                         +++             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poll.rs:190:26
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn iter_readable(&self) -> PollEventIter<slice::Iter<epoll_event>, T> {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                          |         |             |
[INFO] [stdout]     |                          |         |             the same lifetime is hidden here
[INFO] [stdout]     |                          |         the same lifetime is hidden here
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn iter_readable(&self) -> PollEventIter<'_, slice::Iter<'_, epoll_event>, T> {
[INFO] [stdout]     |                                                  +++             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poll.rs:199:24
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn iter_hungup(&self) -> PollEventIter<slice::Iter<epoll_event>, T> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                        |         |             |
[INFO] [stdout]     |                        |         |             the same lifetime is hidden here
[INFO] [stdout]     |                        |         the same lifetime is hidden here
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn iter_hungup(&self) -> PollEventIter<'_, slice::Iter<'_, epoll_event>, T> {
[INFO] [stdout]     |                                                +++             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poll.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn as_ref(&self) -> PollEvents<T> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 217 |     pub fn as_ref(&self) -> PollEvents<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poll.rs:579:17
[INFO] [stdout]     |
[INFO] [stdout] 579 |     pub fn wait(&self) -> Result<PollEvents<T>> {
[INFO] [stdout]     |                 ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 579 |     pub fn wait(&self) -> Result<PollEvents<'_, T>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poll.rs:587:25
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub fn wait_timeout(&self, timeout: Duration) -> Result<PollEvents<T>> {
[INFO] [stdout]     |                         ^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub fn wait_timeout(&self, timeout: Duration) -> Result<PollEvents<'_, T>> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sys_util` (lib) due to 12 previous errors; 28 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d1e696b4cd061cfece90b45d66fa36040a76b7ffd7c306760b3580d96cc152db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e696b4cd061cfece90b45d66fa36040a76b7ffd7c306760b3580d96cc152db", kill_on_drop: false }`
[INFO] [stdout] d1e696b4cd061cfece90b45d66fa36040a76b7ffd7c306760b3580d96cc152db
