[INFO] fetching crate rq 0.1.2...
[INFO] checking rq-0.1.2 against try#7306d3110618f84a6a4662b9e2cc4fd0d9b02da8 for pr-97346
[INFO] extracting crate rq 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rq 0.1.2 on toolchain 7306d3110618f84a6a4662b9e2cc4fd0d9b02da8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rq 0.1.2
[INFO] finished tweaking crates.io crate rq 0.1.2
[INFO] tweaked toml for crates.io crate rq 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b3ca2db2483e518b5055598ae6c2f837372726eb319e5e94d9054989b5da74c
[INFO] running `Command { std: "docker" "start" "-a" "5b3ca2db2483e518b5055598ae6c2f837372726eb319e5e94d9054989b5da74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3ca2db2483e518b5055598ae6c2f837372726eb319e5e94d9054989b5da74c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3ca2db2483e518b5055598ae6c2f837372726eb319e5e94d9054989b5da74c", kill_on_drop: false }`
[INFO] [stdout] 5b3ca2db2483e518b5055598ae6c2f837372726eb319e5e94d9054989b5da74c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd0845d3f0d0d534bc67819cbf4967dbf5b39a3ba88ae61e063349c4a0a5f9c3
[INFO] running `Command { std: "docker" "start" "-a" "cd0845d3f0d0d534bc67819cbf4967dbf5b39a3ba88ae61e063349c4a0a5f9c3", kill_on_drop: false }`
[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 cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling rq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rq_derive v0.1.2
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/btn.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | type CbClicked = Arc<Mutex<FnMut(&mut Btn, bool)>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 - type CbClicked = Arc<Mutex<FnMut(&mut Btn, bool)>>;
[INFO] [stdout] 13 + type CbClicked = Arc<Mutex<dyn FnMut(&mut Btn, bool)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | type CbOnAbout = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 - type CbOnAbout = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout] 19 + type CbOnAbout = Arc<Mutex<dyn FnMut(&mut Win)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 | type CbOnFirstShow = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 - type CbOnFirstShow = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout] 20 + type CbOnFirstShow = Arc<Mutex<dyn FnMut(&mut Win)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/btn.rs:13:28
[INFO] [stdout]    |
[INFO] [stdout] 13 | type CbClicked = Arc<Mutex<FnMut(&mut Btn, bool)>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 - type CbClicked = Arc<Mutex<FnMut(&mut Btn, bool)>>;
[INFO] [stdout] 13 + type CbClicked = Arc<Mutex<dyn FnMut(&mut Btn, bool)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | type CbOnClose = Arc<Mutex<FnMut(&mut Win) -> bool>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 - type CbOnClose = Arc<Mutex<FnMut(&mut Win) -> bool>>;
[INFO] [stdout] 21 + type CbOnClose = Arc<Mutex<dyn FnMut(&mut Win) -> bool>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 | type CbOnLogMsg = Arc<Mutex<FnMut(&mut Win, &str)>>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 - type CbOnLogMsg = Arc<Mutex<FnMut(&mut Win, &str)>>;
[INFO] [stdout] 22 + type CbOnLogMsg = Arc<Mutex<dyn FnMut(&mut Win, &str)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | type CbOnAbout = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 - type CbOnAbout = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout] 19 + type CbOnAbout = Arc<Mutex<dyn FnMut(&mut Win)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 | type CbOnFirstShow = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 - type CbOnFirstShow = Arc<Mutex<FnMut(&mut Win)>>;
[INFO] [stdout] 20 + type CbOnFirstShow = Arc<Mutex<dyn FnMut(&mut Win)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 | type CbOnClose = Arc<Mutex<FnMut(&mut Win) -> bool>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 - type CbOnClose = Arc<Mutex<FnMut(&mut Win) -> bool>>;
[INFO] [stdout] 21 + type CbOnClose = Arc<Mutex<dyn FnMut(&mut Win) -> bool>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/win.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 | type CbOnLogMsg = Arc<Mutex<FnMut(&mut Win, &str)>>;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 - type CbOnLogMsg = Arc<Mutex<FnMut(&mut Win, &str)>>;
[INFO] [stdout] 22 + type CbOnLogMsg = Arc<Mutex<dyn FnMut(&mut Win, &str)>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout/boxl.rs:70:31
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout] 70 +     pub fn add(&mut self, w: &dyn WgtObj) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout/grid.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add(&mut self, w: &WgtObj, row: u32, col: u32) {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn add(&mut self, w: &WgtObj, row: u32, col: u32) {
[INFO] [stdout] 49 +     pub fn add(&mut self, w: &dyn WgtObj, row: u32, col: u32) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout/splt.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 -     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout] 34 +     pub fn add(&mut self, w: &dyn WgtObj) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout/boxl.rs:70:31
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout] 70 +     pub fn add(&mut self, w: &dyn WgtObj) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout/grid.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add(&mut self, w: &WgtObj, row: u32, col: u32) {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn add(&mut self, w: &WgtObj, row: u32, col: u32) {
[INFO] [stdout] 49 +     pub fn add(&mut self, w: &dyn WgtObj, row: u32, col: u32) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/mod.rs:99:30
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn as_obj(&self) -> &WgtObj {
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 99 -     pub fn as_obj(&self) -> &WgtObj {
[INFO] [stdout] 99 +     pub fn as_obj(&self) -> &dyn WgtObj {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/layout/splt.rs:34:31
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 -     pub fn add(&mut self, w: &WgtObj) {
[INFO] [stdout] 34 +     pub fn add(&mut self, w: &dyn WgtObj) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wgt/mod.rs:99:30
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn as_obj(&self) -> &WgtObj {
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 99 -     pub fn as_obj(&self) -> &WgtObj {
[INFO] [stdout] 99 +     pub fn as_obj(&self) -> &dyn WgtObj {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wgt/mod.rs:103:56
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     $(Wgt::$Var(bx) => bx.as_ref() as &WgtObj,)*
[INFO] [stdout]     |                                                        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |         as_obj!([Btn, DlgAbout, Lbl, Menu, MenuBar, Win])
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `as_obj` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 -                     $(Wgt::$Var(bx) => bx.as_ref() as &WgtObj,)*
[INFO] [stdout] 103 +                     $(Wgt::$Var(bx) => bx.as_ref() as &dyn WgtObj,)*
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wgt/mod.rs:103:56
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     $(Wgt::$Var(bx) => bx.as_ref() as &WgtObj,)*
[INFO] [stdout]     |                                                        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |         as_obj!([Btn, DlgAbout, Lbl, Menu, MenuBar, Win])
[INFO] [stdout]     |         ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `as_obj` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 -                     $(Wgt::$Var(bx) => bx.as_ref() as &WgtObj,)*
[INFO] [stdout] 103 +                     $(Wgt::$Var(bx) => bx.as_ref() as &dyn WgtObj,)*
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/cql/bind.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |             &(*(::std::ptr::null::<x_cbVoid>())).obj as *const _ as usize
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/cql/bind.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |         unsafe { &(*(::std::ptr::null::<x_cbVoid>())).cb as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/cql/bind.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |             &(*(::std::ptr::null::<x_cbBool>())).obj as *const _ as usize
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/cql/bind.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |         unsafe { &(*(::std::ptr::null::<x_cbBool>())).cb as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/cql/bind.rs:126:14
[INFO] [stdout]     |
[INFO] [stdout] 126 |             &(*(::std::ptr::null::<x_cbCstr>())).obj as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/cql/bind.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |         unsafe { &(*(::std::ptr::null::<x_cbCstr>())).cb as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/cql/bind.rs:167:14
[INFO] [stdout]     |
[INFO] [stdout] 167 |             &(*(::std::ptr::null::<x_cbVoidToBool>())).obj as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/cql/bind.rs:179:14
[INFO] [stdout]     |
[INFO] [stdout] 179 |             &(*(::std::ptr::null::<x_cbVoidToBool>())).cb as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/cql/bind.rs:212:19
[INFO] [stdout]     |
[INFO] [stdout] 212 |         unsafe { &(*(::std::ptr::null::<ij_t>())).i as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/cql/bind.rs:217:19
[INFO] [stdout]     |
[INFO] [stdout] 217 |         unsafe { &(*(::std::ptr::null::<ij_t>())).j as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.30s
[INFO] running `Command { std: "docker" "inspect" "cd0845d3f0d0d534bc67819cbf4967dbf5b39a3ba88ae61e063349c4a0a5f9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0845d3f0d0d534bc67819cbf4967dbf5b39a3ba88ae61e063349c4a0a5f9c3", kill_on_drop: false }`
[INFO] [stdout] cd0845d3f0d0d534bc67819cbf4967dbf5b39a3ba88ae61e063349c4a0a5f9c3