[INFO] fetching crate limn-layout 0.0.1...
[INFO] testing limn-layout-0.0.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate limn-layout 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate limn-layout 0.0.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate limn-layout 0.0.1
[INFO] finished tweaking crates.io crate limn-layout 0.0.1
[INFO] tweaked toml for crates.io crate limn-layout 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maplit v0.1.6
[INFO] [stderr]   Downloaded euclid v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fe4a5705e6a067880959e7274b237a2ccac52188b49cfa22dbc754954e345e6
[INFO] running `Command { std: "docker" "start" "-a" "9fe4a5705e6a067880959e7274b237a2ccac52188b49cfa22dbc754954e345e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe4a5705e6a067880959e7274b237a2ccac52188b49cfa22dbc754954e345e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe4a5705e6a067880959e7274b237a2ccac52188b49cfa22dbc754954e345e6", kill_on_drop: false }`
[INFO] [stdout] 9fe4a5705e6a067880959e7274b237a2ccac52188b49cfa22dbc754954e345e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec65b370841209159323c1060f829e5bfc89a5ab936681c3975c978f7386f3a
[INFO] running `Command { std: "docker" "start" "-a" "aec65b370841209159323c1060f829e5bfc89a5ab936681c3975c978f7386f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling euclid v0.15.6
[INFO] [stderr]    Compiling limn-layout v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:426:1
[INFO] [stdout]     |
[INFO] [stdout] 426 | / lazy_static! {
[INFO] [stdout] 427 | |     pub static ref LAYOUT: LayoutVars = LayoutVars::new();
[INFO] [stdout] 428 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |     container: Option<Rc<RefCell<LayoutContainer>>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 154 |     container: Option<Rc<RefCell<dyn LayoutContainer>>>,
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/constraint.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<ConstraintBuilder> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<dyn ConstraintBuilder> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 403 |           child.add(constraints![
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 404 | |             bound_by(&parent).padding(self.padding),
[INFO] [stdout] 405 | |             match_layout(&parent).strength(WEAK),
[INFO] [stdout] 406 | |         ]);
[INFO] [stdout]     | |_________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |                   parent.add(constraints![
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 115 | |                     start | EQ(REQUIRED) | parent_start + space,
[INFO] [stdout] 116 | |                     end | EQ(REQUIRED) | parent_end - space,
[INFO] [stdout] 117 | |                 ]);
[INFO] [stdout]     | |_________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |                   parent.add(constraints![
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 121 | |                     start | EQ(REQUIRED) | parent_start,
[INFO] [stdout] 122 | |                     end | EQ(REQUIRED) | parent_end,
[INFO] [stdout] 123 | |                 ]);
[INFO] [stdout]     | |_________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:196:35
[INFO] [stdout]     |
[INFO] [stdout] 196 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 197 | |                             align_top(parent),
[INFO] [stdout] 198 | |                             align_bottom(parent),
[INFO] [stdout] 199 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:202:35
[INFO] [stdout]     |
[INFO] [stdout] 202 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 203 | |                             center_vertical(parent),
[INFO] [stdout] 204 | |                             bound_top(parent),
[INFO] [stdout] 205 | |                             bound_bottom(parent),
[INFO] [stdout] 206 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:209:35
[INFO] [stdout]     |
[INFO] [stdout] 209 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 210 | |                             align_top(parent),
[INFO] [stdout] 211 | |                             bound_bottom(parent),
[INFO] [stdout] 212 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:215:35
[INFO] [stdout]     |
[INFO] [stdout] 215 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 216 | |                             bound_top(parent),
[INFO] [stdout] 217 | |                             align_bottom(parent),
[INFO] [stdout] 218 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:221:35
[INFO] [stdout]     |
[INFO] [stdout] 221 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 222 | |                             bound_top(parent),
[INFO] [stdout] 223 | |                             bound_bottom(parent),
[INFO] [stdout] 224 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:232:35
[INFO] [stdout]     |
[INFO] [stdout] 232 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 233 | |                             align_left(parent),
[INFO] [stdout] 234 | |                             align_right(parent),
[INFO] [stdout] 235 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:238:35
[INFO] [stdout]     |
[INFO] [stdout] 238 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 239 | |                             center_horizontal(parent),
[INFO] [stdout] 240 | |                             bound_left(parent),
[INFO] [stdout] 241 | |                             bound_right(parent),
[INFO] [stdout] 242 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:245:35
[INFO] [stdout]     |
[INFO] [stdout] 245 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 246 | |                             align_left(parent),
[INFO] [stdout] 247 | |                             bound_right(parent),
[INFO] [stdout] 248 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:251:35
[INFO] [stdout]     |
[INFO] [stdout] 251 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 252 | |                             bound_left(parent),
[INFO] [stdout] 253 | |                             align_right(parent),
[INFO] [stdout] 254 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:257:35
[INFO] [stdout]     |
[INFO] [stdout] 257 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 258 | |                             bound_left(parent),
[INFO] [stdout] 259 | |                             bound_right(parent),
[INFO] [stdout] 260 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/grid_layout.rs:79:19
[INFO] [stdout]     |
[INFO] [stdout] 79  |           child.add(constraints![
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 80  | |             bound_by(row),
[INFO] [stdout] 81  | |             bound_by(col),
[INFO] [stdout] 82  | |             match_layout(&parent).strength(STRONG),
[INFO] [stdout] 83  | |         ]);
[INFO] [stdout]     | |_________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "aec65b370841209159323c1060f829e5bfc89a5ab936681c3975c978f7386f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec65b370841209159323c1060f829e5bfc89a5ab936681c3975c978f7386f3a", kill_on_drop: false }`
[INFO] [stdout] aec65b370841209159323c1060f829e5bfc89a5ab936681c3975c978f7386f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 280ec1d351e10e066eb9526a11c66d181e5be82924f9e207fb078e7f12136e55
[INFO] running `Command { std: "docker" "start" "-a" "280ec1d351e10e066eb9526a11c66d181e5be82924f9e207fb078e7f12136e55", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:426:1
[INFO] [stdout]     |
[INFO] [stdout] 426 | / lazy_static! {
[INFO] [stdout] 427 | |     pub static ref LAYOUT: LayoutVars = LayoutVars::new();
[INFO] [stdout] 428 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |     container: Option<Rc<RefCell<LayoutContainer>>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 154 |     container: Option<Rc<RefCell<dyn LayoutContainer>>>,
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/constraint.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<ConstraintBuilder> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<dyn ConstraintBuilder> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 403 |           child.add(constraints![
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 404 | |             bound_by(&parent).padding(self.padding),
[INFO] [stdout] 405 | |             match_layout(&parent).strength(WEAK),
[INFO] [stdout] 406 | |         ]);
[INFO] [stdout]     | |_________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |                   parent.add(constraints![
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 115 | |                     start | EQ(REQUIRED) | parent_start + space,
[INFO] [stdout] 116 | |                     end | EQ(REQUIRED) | parent_end - space,
[INFO] [stdout] 117 | |                 ]);
[INFO] [stdout]     | |_________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |                   parent.add(constraints![
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 121 | |                     start | EQ(REQUIRED) | parent_start,
[INFO] [stdout] 122 | |                     end | EQ(REQUIRED) | parent_end,
[INFO] [stdout] 123 | |                 ]);
[INFO] [stdout]     | |_________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:196:35
[INFO] [stdout]     |
[INFO] [stdout] 196 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 197 | |                             align_top(parent),
[INFO] [stdout] 198 | |                             align_bottom(parent),
[INFO] [stdout] 199 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:202:35
[INFO] [stdout]     |
[INFO] [stdout] 202 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 203 | |                             center_vertical(parent),
[INFO] [stdout] 204 | |                             bound_top(parent),
[INFO] [stdout] 205 | |                             bound_bottom(parent),
[INFO] [stdout] 206 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:209:35
[INFO] [stdout]     |
[INFO] [stdout] 209 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 210 | |                             align_top(parent),
[INFO] [stdout] 211 | |                             bound_bottom(parent),
[INFO] [stdout] 212 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:215:35
[INFO] [stdout]     |
[INFO] [stdout] 215 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 216 | |                             bound_top(parent),
[INFO] [stdout] 217 | |                             align_bottom(parent),
[INFO] [stdout] 218 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:221:35
[INFO] [stdout]     |
[INFO] [stdout] 221 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 222 | |                             bound_top(parent),
[INFO] [stdout] 223 | |                             bound_bottom(parent),
[INFO] [stdout] 224 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:232:35
[INFO] [stdout]     |
[INFO] [stdout] 232 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 233 | |                             align_left(parent),
[INFO] [stdout] 234 | |                             align_right(parent),
[INFO] [stdout] 235 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:238:35
[INFO] [stdout]     |
[INFO] [stdout] 238 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 239 | |                             center_horizontal(parent),
[INFO] [stdout] 240 | |                             bound_left(parent),
[INFO] [stdout] 241 | |                             bound_right(parent),
[INFO] [stdout] 242 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:245:35
[INFO] [stdout]     |
[INFO] [stdout] 245 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 246 | |                             align_left(parent),
[INFO] [stdout] 247 | |                             bound_right(parent),
[INFO] [stdout] 248 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:251:35
[INFO] [stdout]     |
[INFO] [stdout] 251 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 252 | |                             bound_left(parent),
[INFO] [stdout] 253 | |                             align_right(parent),
[INFO] [stdout] 254 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:257:35
[INFO] [stdout]     |
[INFO] [stdout] 257 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 258 | |                             bound_left(parent),
[INFO] [stdout] 259 | |                             bound_right(parent),
[INFO] [stdout] 260 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/grid_layout.rs:79:19
[INFO] [stdout]     |
[INFO] [stdout] 79  |           child.add(constraints![
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 80  | |             bound_by(row),
[INFO] [stdout] 81  | |             bound_by(col),
[INFO] [stdout] 82  | |             match_layout(&parent).strength(STRONG),
[INFO] [stdout] 83  | |         ]);
[INFO] [stdout]     | |_________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling limn-layout v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/lib.rs:426:1
[INFO] [stdout]     |
[INFO] [stdout] 426 | / lazy_static! {
[INFO] [stdout] 427 | |     pub static ref LAYOUT: LayoutVars = LayoutVars::new();
[INFO] [stdout] 428 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |     container: Option<Rc<RefCell<LayoutContainer>>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 154 |     container: Option<Rc<RefCell<dyn LayoutContainer>>>,
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/constraint.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<ConstraintBuilder> {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<dyn ConstraintBuilder> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 403 |           child.add(constraints![
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 404 | |             bound_by(&parent).padding(self.padding),
[INFO] [stdout] 405 | |             match_layout(&parent).strength(WEAK),
[INFO] [stdout] 406 | |         ]);
[INFO] [stdout]     | |_________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:114:28
[INFO] [stdout]     |
[INFO] [stdout] 114 |                   parent.add(constraints![
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 115 | |                     start | EQ(REQUIRED) | parent_start + space,
[INFO] [stdout] 116 | |                     end | EQ(REQUIRED) | parent_end - space,
[INFO] [stdout] 117 | |                 ]);
[INFO] [stdout]     | |_________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:120:28
[INFO] [stdout]     |
[INFO] [stdout] 120 |                   parent.add(constraints![
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 121 | |                     start | EQ(REQUIRED) | parent_start,
[INFO] [stdout] 122 | |                     end | EQ(REQUIRED) | parent_end,
[INFO] [stdout] 123 | |                 ]);
[INFO] [stdout]     | |_________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:196:35
[INFO] [stdout]     |
[INFO] [stdout] 196 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 197 | |                             align_top(parent),
[INFO] [stdout] 198 | |                             align_bottom(parent),
[INFO] [stdout] 199 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:202:35
[INFO] [stdout]     |
[INFO] [stdout] 202 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 203 | |                             center_vertical(parent),
[INFO] [stdout] 204 | |                             bound_top(parent),
[INFO] [stdout] 205 | |                             bound_bottom(parent),
[INFO] [stdout] 206 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:209:35
[INFO] [stdout]     |
[INFO] [stdout] 209 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 210 | |                             align_top(parent),
[INFO] [stdout] 211 | |                             bound_bottom(parent),
[INFO] [stdout] 212 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:215:35
[INFO] [stdout]     |
[INFO] [stdout] 215 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 216 | |                             bound_top(parent),
[INFO] [stdout] 217 | |                             align_bottom(parent),
[INFO] [stdout] 218 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:221:35
[INFO] [stdout]     |
[INFO] [stdout] 221 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 222 | |                             bound_top(parent),
[INFO] [stdout] 223 | |                             bound_bottom(parent),
[INFO] [stdout] 224 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:232:35
[INFO] [stdout]     |
[INFO] [stdout] 232 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 233 | |                             align_left(parent),
[INFO] [stdout] 234 | |                             align_right(parent),
[INFO] [stdout] 235 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:238:35
[INFO] [stdout]     |
[INFO] [stdout] 238 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 239 | |                             center_horizontal(parent),
[INFO] [stdout] 240 | |                             bound_left(parent),
[INFO] [stdout] 241 | |                             bound_right(parent),
[INFO] [stdout] 242 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:245:35
[INFO] [stdout]     |
[INFO] [stdout] 245 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 246 | |                             align_left(parent),
[INFO] [stdout] 247 | |                             bound_right(parent),
[INFO] [stdout] 248 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:251:35
[INFO] [stdout]     |
[INFO] [stdout] 251 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 252 | |                             bound_left(parent),
[INFO] [stdout] 253 | |                             align_right(parent),
[INFO] [stdout] 254 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/linear_layout.rs:257:35
[INFO] [stdout]     |
[INFO] [stdout] 257 |                           child.add(constraints![
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 258 | |                             bound_left(parent),
[INFO] [stdout] 259 | |                             bound_right(parent),
[INFO] [stdout] 260 | |                         ]);
[INFO] [stdout]     | |_________________________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/grid_layout.rs:79:19
[INFO] [stdout]     |
[INFO] [stdout] 79  |           child.add(constraints![
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 80  | |             bound_by(row),
[INFO] [stdout] 81  | |             bound_by(col),
[INFO] [stdout] 82  | |             match_layout(&parent).strength(STRONG),
[INFO] [stdout] 83  | |         ]);
[INFO] [stdout]     | |_________- in this macro invocation
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "280ec1d351e10e066eb9526a11c66d181e5be82924f9e207fb078e7f12136e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280ec1d351e10e066eb9526a11c66d181e5be82924f9e207fb078e7f12136e55", kill_on_drop: false }`
[INFO] [stdout] 280ec1d351e10e066eb9526a11c66d181e5be82924f9e207fb078e7f12136e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 139d9be28a738525b052c1f7e150a8bc1984266111a32614a847a00da31b703b
[INFO] running `Command { std: "docker" "start" "-a" "139d9be28a738525b052c1f7e150a8bc1984266111a32614a847a00da31b703b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/lib.rs:426:1
[INFO] [stderr]     |
[INFO] [stderr] 426 | / lazy_static! {
[INFO] [stderr] 427 | |     pub static ref LAYOUT: LayoutVars = LayoutVars::new();
[INFO] [stderr] 428 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:154:34
[INFO] [stderr]     |
[INFO] [stderr] 154 |     container: Option<Rc<RefCell<LayoutContainer>>>,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 154 |     container: Option<Rc<RefCell<dyn LayoutContainer>>>,
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/constraint.rs:430:32
[INFO] [stderr]     |
[INFO] [stderr] 430 | impl ConstraintBuilder for Box<ConstraintBuilder> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 430 | impl ConstraintBuilder for Box<dyn ConstraintBuilder> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 403 |           child.add(constraints![
[INFO] [stderr]     |  ___________________-
[INFO] [stderr] 404 | |             bound_by(&parent).padding(self.padding),
[INFO] [stderr] 405 | |             match_layout(&parent).strength(WEAK),
[INFO] [stderr] 406 | |         ]);
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:114:28
[INFO] [stderr]     |
[INFO] [stderr] 114 |                   parent.add(constraints![
[INFO] [stderr]     |  ____________________________-
[INFO] [stderr] 115 | |                     start | EQ(REQUIRED) | parent_start + space,
[INFO] [stderr] 116 | |                     end | EQ(REQUIRED) | parent_end - space,
[INFO] [stderr] 117 | |                 ]);
[INFO] [stderr]     | |_________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:120:28
[INFO] [stderr]     |
[INFO] [stderr] 120 |                   parent.add(constraints![
[INFO] [stderr]     |  ____________________________-
[INFO] [stderr] 121 | |                     start | EQ(REQUIRED) | parent_start,
[INFO] [stderr] 122 | |                     end | EQ(REQUIRED) | parent_end,
[INFO] [stderr] 123 | |                 ]);
[INFO] [stderr]     | |_________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:196:35
[INFO] [stderr]     |
[INFO] [stderr] 196 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 197 | |                             align_top(parent),
[INFO] [stderr] 198 | |                             align_bottom(parent),
[INFO] [stderr] 199 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:202:35
[INFO] [stderr]     |
[INFO] [stderr] 202 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 203 | |                             center_vertical(parent),
[INFO] [stderr] 204 | |                             bound_top(parent),
[INFO] [stderr] 205 | |                             bound_bottom(parent),
[INFO] [stderr] 206 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:209:35
[INFO] [stderr]     |
[INFO] [stderr] 209 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 210 | |                             align_top(parent),
[INFO] [stderr] 211 | |                             bound_bottom(parent),
[INFO] [stderr] 212 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:215:35
[INFO] [stderr]     |
[INFO] [stderr] 215 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 216 | |                             bound_top(parent),
[INFO] [stderr] 217 | |                             align_bottom(parent),
[INFO] [stderr] 218 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:221:35
[INFO] [stderr]     |
[INFO] [stderr] 221 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 222 | |                             bound_top(parent),
[INFO] [stderr] 223 | |                             bound_bottom(parent),
[INFO] [stderr] 224 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:232:35
[INFO] [stderr]     |
[INFO] [stderr] 232 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 233 | |                             align_left(parent),
[INFO] [stderr] 234 | |                             align_right(parent),
[INFO] [stderr] 235 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:238:35
[INFO] [stderr]     |
[INFO] [stderr] 238 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 239 | |                             center_horizontal(parent),
[INFO] [stderr] 240 | |                             bound_left(parent),
[INFO] [stderr] 241 | |                             bound_right(parent),
[INFO] [stderr] 242 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:245:35
[INFO] [stderr]     |
[INFO] [stderr] 245 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 246 | |                             align_left(parent),
[INFO] [stderr] 247 | |                             bound_right(parent),
[INFO] [stderr] 248 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:251:35
[INFO] [stderr]     |
[INFO] [stderr] 251 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 252 | |                             bound_left(parent),
[INFO] [stderr] 253 | |                             align_right(parent),
[INFO] [stderr] 254 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/linear_layout.rs:257:35
[INFO] [stderr]     |
[INFO] [stderr] 257 |                           child.add(constraints![
[INFO] [stderr]     |  ___________________________________-
[INFO] [stderr] 258 | |                             bound_left(parent),
[INFO] [stderr] 259 | |                             bound_right(parent),
[INFO] [stderr] 260 | |                         ]);
[INFO] [stderr]     | |_________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:379:34
[INFO] [stderr]     |
[INFO] [stderr] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/grid_layout.rs:79:19
[INFO] [stderr]     |
[INFO] [stderr] 79  |           child.add(constraints![
[INFO] [stderr]     |  ___________________-
[INFO] [stderr] 80  | |             bound_by(row),
[INFO] [stderr] 81  | |             bound_by(col),
[INFO] [stderr] 82  | |             match_layout(&parent).strength(STRONG),
[INFO] [stderr] 83  | |         ]);
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `constraints` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 379 |             let mut vec: Vec<Box<dyn ConstraintBuilder>> = Vec::new();
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `limn-layout` (lib) generated 17 warnings (run `cargo fix --lib -p limn-layout` to apply 16 suggestions)
[INFO] [stderr] warning: `limn-layout` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/limn_layout-c80fba32b550c850)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-0ee8562afb379442)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test edit_var ... ok
[INFO] [stdout] test linear_layout_remove ... ok
[INFO] [stdout] test linear_layout_end_padding ... ok
[INFO] [stdout] test linear_layout_fill ... ok
[INFO] [stdout] test linear_layout_spacing_between ... ok
[INFO] [stdout] test grid ... ok
[INFO] [stdout] test one_widget ... ok
[INFO] [stdout] test linear_layout_spacing_around ... ok
[INFO] [stdout] test grid_layout ... ok
[INFO] [stdout] test linear_layout_start ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests limn-layout
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "139d9be28a738525b052c1f7e150a8bc1984266111a32614a847a00da31b703b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139d9be28a738525b052c1f7e150a8bc1984266111a32614a847a00da31b703b", kill_on_drop: false }`
[INFO] [stdout] 139d9be28a738525b052c1f7e150a8bc1984266111a32614a847a00da31b703b
