[INFO] fetching crate vt 0.2.1...
[INFO] building vt-0.2.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate vt 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vt 0.2.1
[INFO] finished tweaking crates.io crate vt 0.2.1
[INFO] tweaked toml for crates.io crate vt 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vt 0.2.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vt 0.2.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cfd2cc4500df2c32205da81c99bc2d0269f00b7be61050acd36b20102fa85b4
[INFO] running `Command { std: "docker" "start" "-a" "7cfd2cc4500df2c32205da81c99bc2d0269f00b7be61050acd36b20102fa85b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cfd2cc4500df2c32205da81c99bc2d0269f00b7be61050acd36b20102fa85b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfd2cc4500df2c32205da81c99bc2d0269f00b7be61050acd36b20102fa85b4", kill_on_drop: false }`
[INFO] [stdout] 7cfd2cc4500df2c32205da81c99bc2d0269f00b7be61050acd36b20102fa85b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae2c971ddfc99d801c5f7e38c9d94c0d2a8f308eaa0cfffc67fcf2ce79ecd87
[INFO] running `Command { std: "docker" "start" "-a" "aae2c971ddfc99d801c5f7e38c9d94c0d2a8f308eaa0cfffc67fcf2ce79ecd87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling vt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:29:48
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 | ioctl_get_wrapper!(vt_openqry, VT_OPENQRY, c_int);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:29:48
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | ioctl_get_wrapper!(vt_getstate, VT_GETSTATE, VtStat);
[INFO] [stdout]    | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/console.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new_vt(&self) -> io::Result<Vt> {
[INFO] [stdout]    |                   ^^^^^                ^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new_vt(&self) -> io::Result<Vt<'_>> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/console.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new_vt_with_minimum_number(&self, min: i32) -> io::Result<Vt> {
[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] 47 |     pub fn new_vt_with_minimum_number(&self, min: i32) -> io::Result<Vt<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/console.rs:109:35
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn open_vt<N: AsVtNumber>(&self, vt_number: N) -> io::Result<Vt> {
[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] 109 |     pub fn open_vt<N: AsVtNumber>(&self, vt_number: N) -> io::Result<Vt<'_>> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `i32` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::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] 66 | ioctl_get_wrapper!(vt_openqry, VT_OPENQRY, c_int);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `VtStat` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::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] 67 | ioctl_get_wrapper!(vt_getstate, VT_GETSTATE, VtStat);
[INFO] [stdout]    | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/ffi.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub v_active: c_ushort,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "aae2c971ddfc99d801c5f7e38c9d94c0d2a8f308eaa0cfffc67fcf2ce79ecd87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae2c971ddfc99d801c5f7e38c9d94c0d2a8f308eaa0cfffc67fcf2ce79ecd87", kill_on_drop: false }`
[INFO] [stdout] aae2c971ddfc99d801c5f7e38c9d94c0d2a8f308eaa0cfffc67fcf2ce79ecd87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 843255159a6a2624699dc398a085d9c2eded044f9b99417ce9e03835651f88ff
[INFO] running `Command { std: "docker" "start" "-a" "843255159a6a2624699dc398a085d9c2eded044f9b99417ce9e03835651f88ff", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:29:48
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 | ioctl_get_wrapper!(vt_openqry, VT_OPENQRY, c_int);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:29:48
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | ioctl_get_wrapper!(vt_getstate, VT_GETSTATE, VtStat);
[INFO] [stdout]    | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/console.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new_vt(&self) -> io::Result<Vt> {
[INFO] [stdout]    |                   ^^^^^                ^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new_vt(&self) -> io::Result<Vt<'_>> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/console.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new_vt_with_minimum_number(&self, min: i32) -> io::Result<Vt> {
[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] 47 |     pub fn new_vt_with_minimum_number(&self, min: i32) -> io::Result<Vt<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/console.rs:109:35
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn open_vt<N: AsVtNumber>(&self, vt_number: N) -> io::Result<Vt> {
[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] 109 |     pub fn open_vt<N: AsVtNumber>(&self, vt_number: N) -> io::Result<Vt<'_>> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `i32` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::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] 66 | ioctl_get_wrapper!(vt_openqry, VT_OPENQRY, c_int);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `VtStat` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::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] 67 | ioctl_get_wrapper!(vt_getstate, VT_GETSTATE, VtStat);
[INFO] [stdout]    | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/ffi.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub v_active: c_ushort,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:29:48
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 | ioctl_get_wrapper!(vt_openqry, VT_OPENQRY, c_int);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/ffi.rs:29:48
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::mem::uninitialized();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | ioctl_get_wrapper!(vt_getstate, VT_GETSTATE, VtStat);
[INFO] [stdout]    | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `i32` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::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] 66 | ioctl_get_wrapper!(vt_openqry, VT_OPENQRY, c_int);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/console.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new_vt(&self) -> io::Result<Vt> {
[INFO] [stdout]    |                   ^^^^^                ^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new_vt(&self) -> io::Result<Vt<'_>> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/console.rs:47:39
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new_vt_with_minimum_number(&self, min: i32) -> io::Result<Vt> {
[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] 47 |     pub fn new_vt_with_minimum_number(&self, min: i32) -> io::Result<Vt<'_>> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/console.rs:109:35
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn open_vt<N: AsVtNumber>(&self, vt_number: N) -> io::Result<Vt> {
[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] 109 |     pub fn open_vt<N: AsVtNumber>(&self, vt_number: N) -> io::Result<Vt<'_>> {
[INFO] [stdout]     |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `VtStat` does not permit being left uninitialized
[INFO] [stdout]   --> src/ffi.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 let mut data: $t = ::std::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] 67 | ioctl_get_wrapper!(vt_getstate, VT_GETSTATE, VtStat);
[INFO] [stdout]    | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]   --> src/ffi.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub v_active: c_ushort,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `ioctl_get_wrapper` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "843255159a6a2624699dc398a085d9c2eded044f9b99417ce9e03835651f88ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843255159a6a2624699dc398a085d9c2eded044f9b99417ce9e03835651f88ff", kill_on_drop: false }`
[INFO] [stdout] 843255159a6a2624699dc398a085d9c2eded044f9b99417ce9e03835651f88ff
