[INFO] cloning repository overdrivenpotato/ui-experiments
[INFO] running `"git" "clone" "--bare" "git://github.com/overdrivenpotato/ui-experiments.git" "work/cache/sources/gh/overdrivenpotato/ui-experiments"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/overdrivenpotato/ui-experiments'...
[INFO] running `"git" "clone" "work/cache/sources/gh/overdrivenpotato/ui-experiments" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/overdrivenpotato/ui-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/overdrivenpotato/ui-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/overdrivenpotato/ui-experiments" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/overdrivenpotato/ui-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/overdrivenpotato/ui-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00bee4df583a1959f94b7c802a01d5c61e0e4fa9
[INFO] sha for GitHub repo overdrivenpotato/ui-experiments: 00bee4df583a1959f94b7c802a01d5c61e0e4fa9
[INFO] validating manifest of overdrivenpotato/ui-experiments on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of overdrivenpotato/ui-experiments on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing overdrivenpotato/ui-experiments
[INFO] finished frobbing overdrivenpotato/ui-experiments
[INFO] frobbed toml for overdrivenpotato/ui-experiments written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/overdrivenpotato/ui-experiments/Cargo.toml
[INFO] started frobbing overdrivenpotato/ui-experiments
[INFO] finished frobbing overdrivenpotato/ui-experiments
[INFO] frobbed toml for overdrivenpotato/ui-experiments written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/overdrivenpotato/ui-experiments/Cargo.toml
[INFO] crate overdrivenpotato/ui-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking overdrivenpotato/ui-experiments against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/overdrivenpotato/ui-experiments:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f538abb1a31a64e53686b81fef27eff643f69860b829ef389f6c079f7bf3da6b
[INFO] running `"docker" "start" "-a" "f538abb1a31a64e53686b81fef27eff643f69860b829ef389f6c079f7bf3da6b"`
[INFO] [stderr]     Checking blocks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/ui/mod.rs:62:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ($t:ident, ($target:ty), $($p:ty),+) => {
[INFO] [stderr]    |                                       - expected repetition
[INFO] [stderr] 61 |         $(
[INFO] [stderr] 62 |             impl From<$p> for $t {
[INFO] [stderr]    |                       ^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |         )*
[INFO] [stderr]    |          - conflicting repetition
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/ui/mod.rs:62:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ($t:ident, ($target:ty), $($p:ty),+) => {
[INFO] [stderr]    |                                       - expected repetition
[INFO] [stderr] 61 |         $(
[INFO] [stderr] 62 |             impl From<$p> for $t {
[INFO] [stderr]    |                       ^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |         )*
[INFO] [stderr]    |          - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/ui/mod.rs:63:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ($t:ident, ($target:ty), $($p:ty),+) => {
[INFO] [stderr]    |                                       - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 63 |                 fn from(p: $p) -> Self {
[INFO] [stderr]    |                            ^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |         )*
[INFO] [stderr]    |          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate serde_derive;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Length`
[INFO] [stderr]  --> src/ui/size.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Length, Unit};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::position::Position`
[INFO] [stderr]   --> src/ui/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use self::position::Position;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::size::Size`
[INFO] [stderr]   --> src/ui/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::size::Size;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::content::Content`
[INFO] [stderr]   --> src/ui/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::content::Content;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::spacing::Spacing`
[INFO] [stderr]   --> src/ui/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use self::spacing::Spacing;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::border::Border`
[INFO] [stderr]   --> src/ui/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::border::Border;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::shadow::Shadow`
[INFO] [stderr]   --> src/ui/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::shadow::Shadow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::render::Render`
[INFO] [stderr]   --> src/ui/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use self::render::Render;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::reactive::Reactive`
[INFO] [stderr]   --> src/ui/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use self::reactive::Reactive;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::font::Font`
[INFO] [stderr]   --> src/ui/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use self::font::Font;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/reactor.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     update: Box<Update<Message = T>>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn wrap(update: Box<Update<Message = T>>) -> Self {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn clone(&self) -> Box<Update<Message = U>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = U>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |     update: Box<Update<Message = M>>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn clone(&self) -> Box<Update<Message = Self::Message>>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl<M> Update for Box<Update<Message = M>> where M: Send + 'static {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn clone(&self) -> Box<Update<Message = Self::Message>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/ui/mod.rs:63:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |     ($t:ident, ($target:ty), $($p:ty),+) => {
[INFO] [stderr]    |                                       - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 63 |                 fn from(p: $p) -> Self {
[INFO] [stderr]    |                            ^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |         )*
[INFO] [stderr]    |          - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate serde_derive;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use] extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Length`
[INFO] [stderr]  --> src/ui/size.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::{Length, Unit};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::position::Position`
[INFO] [stderr]   --> src/ui/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use self::position::Position;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::size::Size`
[INFO] [stderr]   --> src/ui/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::size::Size;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::content::Content`
[INFO] [stderr]   --> src/ui/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::content::Content;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::spacing::Spacing`
[INFO] [stderr]   --> src/ui/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use self::spacing::Spacing;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::border::Border`
[INFO] [stderr]   --> src/ui/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use self::border::Border;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::shadow::Shadow`
[INFO] [stderr]   --> src/ui/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use self::shadow::Shadow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::render::Render`
[INFO] [stderr]   --> src/ui/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use self::render::Render;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::reactive::Reactive`
[INFO] [stderr]   --> src/ui/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use self::reactive::Reactive;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::font::Font`
[INFO] [stderr]   --> src/ui/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use self::font::Font;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/reactor.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     update: Box<Update<Message = T>>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn wrap(update: Box<Update<Message = T>>) -> Self {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn clone(&self) -> Box<Update<Message = U>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = U>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor.rs:39:17
[INFO] [stderr]    |
[INFO] [stderr] 39 |     update: Box<Update<Message = M>>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:28
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn clone(&self) -> Box<Update<Message = Self::Message>>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl<M> Update for Box<Update<Message = M>> where M: Send + 'static {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = M>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:34:28
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn clone(&self) -> Box<Update<Message = Self::Message>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Update<Message = Self::Message>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `blocks`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `blocks`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f538abb1a31a64e53686b81fef27eff643f69860b829ef389f6c079f7bf3da6b"`
[INFO] running `"docker" "rm" "-f" "f538abb1a31a64e53686b81fef27eff643f69860b829ef389f6c079f7bf3da6b"`
[INFO] [stdout] f538abb1a31a64e53686b81fef27eff643f69860b829ef389f6c079f7bf3da6b