[INFO] fetching crate limn-layout 0.0.1...
[INFO] building limn-layout-0.0.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate limn-layout 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate limn-layout 0.0.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 864b33ab70410a00fbde217a8833d8fa9c63bb94a42d1fb011b453fbd1f80054
[INFO] running `Command { std: "docker" "start" "-a" "864b33ab70410a00fbde217a8833d8fa9c63bb94a42d1fb011b453fbd1f80054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "864b33ab70410a00fbde217a8833d8fa9c63bb94a42d1fb011b453fbd1f80054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864b33ab70410a00fbde217a8833d8fa9c63bb94a42d1fb011b453fbd1f80054", kill_on_drop: false }`
[INFO] [stdout] 864b33ab70410a00fbde217a8833d8fa9c63bb94a42d1fb011b453fbd1f80054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b08659be407caf3c7dba8450b6ce816e882ca5ceddf39853f7c8ecba7b1c7173
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b08659be407caf3c7dba8450b6ce816e882ca5ceddf39853f7c8ecba7b1c7173", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling euclid v0.15.6
[INFO] [stderr]    Compiling limn-layout v0.0.1 (/opt/rustwide/workdir)
[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]     |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LayoutContainer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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/constraint.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<ConstraintBuilder> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/lib.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     parent: Option<LayoutId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `Command { std: "docker" "inspect" "b08659be407caf3c7dba8450b6ce816e882ca5ceddf39853f7c8ecba7b1c7173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08659be407caf3c7dba8450b6ce816e882ca5ceddf39853f7c8ecba7b1c7173", kill_on_drop: false }`
[INFO] [stdout] b08659be407caf3c7dba8450b6ce816e882ca5ceddf39853f7c8ecba7b1c7173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4885daa29e23dd7169f0f4f2fd2597aea377dfc6bd0f0c7507999f71f3f6e78
[INFO] running `Command { std: "docker" "start" "-a" "b4885daa29e23dd7169f0f4f2fd2597aea377dfc6bd0f0c7507999f71f3f6e78", kill_on_drop: false }`
[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]     |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LayoutContainer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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/constraint.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<ConstraintBuilder> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/lib.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     parent: Option<LayoutId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling limn-layout v0.0.1 (/opt/rustwide/workdir)
[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]     |                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn LayoutContainer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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/constraint.rs:430:32
[INFO] [stdout]     |
[INFO] [stdout] 430 | impl ConstraintBuilder for Box<ConstraintBuilder> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (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:379:34
[INFO] [stdout]     |
[INFO] [stdout] 379 |               let mut vec: Vec<Box<ConstraintBuilder>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConstraintBuilder`
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]    --> src/lib.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     parent: Option<LayoutId>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "b4885daa29e23dd7169f0f4f2fd2597aea377dfc6bd0f0c7507999f71f3f6e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4885daa29e23dd7169f0f4f2fd2597aea377dfc6bd0f0c7507999f71f3f6e78", kill_on_drop: false }`
[INFO] [stdout] b4885daa29e23dd7169f0f4f2fd2597aea377dfc6bd0f0c7507999f71f3f6e78
