[INFO] fetching crate hate 0.1.0...
[INFO] building hate-0.1.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate hate 0.1.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate hate 0.1.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hate 0.1.0
[INFO] finished tweaking crates.io crate hate 0.1.0
[INFO] tweaked toml for crates.io crate hate 0.1.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] f9daf054826ceee7665acd2012640a2c4878f1528b48a47f80141ada94b1acee
[INFO] running `Command { std: "docker" "start" "-a" "f9daf054826ceee7665acd2012640a2c4878f1528b48a47f80141ada94b1acee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9daf054826ceee7665acd2012640a2c4878f1528b48a47f80141ada94b1acee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9daf054826ceee7665acd2012640a2c4878f1528b48a47f80141ada94b1acee", kill_on_drop: false }`
[INFO] [stdout] f9daf054826ceee7665acd2012640a2c4878f1528b48a47f80141ada94b1acee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f27b8b84a2b8616f2fca4cdc3124c1a65bb44fca67cfcf0bf1ee6bb85905b25f
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[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]    Compiling hate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/screen.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Push(Box<Screen>),
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 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] 6 -     Push(Box<Screen>),
[INFO] [stdout] 6 +     Push(Box<dyn Screen>),
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/screen_stack.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     screens: Vec<Box<Screen>>,
[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] 8 -     screens: Vec<Box<Screen>>,
[INFO] [stdout] 8 +     screens: Vec<Box<dyn Screen>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |         actions: Vec<Box<Action>>,
[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] 117 -         actions: Vec<Box<Action>>,
[INFO] [stdout] 117 +         actions: Vec<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 actions: VecDeque<Box<Action>>,
[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] 184 -                 actions: VecDeque<Box<Action>>,
[INFO] [stdout] 184 +                 actions: VecDeque<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:254:36
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 action: Option<Box<Action>>,
[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] 254 -                 action: Option<Box<Action>>,
[INFO] [stdout] 254 +                 action: Option<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/visualizer.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn run(&mut self, start_screen: Box<Screen>) {
[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] 47 -     pub fn run(&mut self, start_screen: Box<Screen>) {
[INFO] [stdout] 47 +     pub fn run(&mut self, start_screen: Box<dyn Screen>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 |         pub fn add_action(&mut self, action: Box<Action>) {
[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] 106 -         pub fn add_action(&mut self, action: Box<Action>) {
[INFO] [stdout] 106 +         pub fn add_action(&mut self, action: Box<dyn Action>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:127:47
[INFO] [stdout]     |
[INFO] [stdout] 127 |         pub fn add(&mut self, mut action: Box<Action>) {
[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] 127 -         pub fn add(&mut self, mut action: Box<Action>) {
[INFO] [stdout] 127 +         pub fn add(&mut self, mut action: Box<dyn Action>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:50
[INFO] [stdout]     |
[INFO] [stdout] 168 |             fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 168 -             fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 168 +             fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:45
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 pub fn new(actions: Vec<Box<Action>>) -> Self {
[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] 188 -                 pub fn new(actions: Vec<Box<Action>>) -> Self {
[INFO] [stdout] 188 +                 pub fn new(actions: Vec<Box<dyn Action>>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:195:46
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 fn action(&mut self) -> &mut Action {
[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] 195 -                 fn action(&mut self) -> &mut Action {
[INFO] [stdout] 195 +                 fn action(&mut self) -> &mut dyn Action {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:236:54
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 236 -                 fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 236 +                 fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:258:40
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 pub fn new(action: Box<Action>) -> Self {
[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] 258 -                 pub fn new(action: Box<Action>) -> Self {
[INFO] [stdout] 258 +                 pub fn new(action: Box<dyn Action>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:54
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 266 -                 fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 266 +                 fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.06s
[INFO] running `Command { std: "docker" "inspect" "f27b8b84a2b8616f2fca4cdc3124c1a65bb44fca67cfcf0bf1ee6bb85905b25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27b8b84a2b8616f2fca4cdc3124c1a65bb44fca67cfcf0bf1ee6bb85905b25f", kill_on_drop: false }`
[INFO] [stdout] f27b8b84a2b8616f2fca4cdc3124c1a65bb44fca67cfcf0bf1ee6bb85905b25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd63af986dd36ed5e57ed81fd491449b23d2e92443efc3b517fcddcd411e5d5a
[INFO] running `Command { std: "docker" "start" "-a" "bd63af986dd36ed5e57ed81fd491449b23d2e92443efc3b517fcddcd411e5d5a", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/screen.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Push(Box<Screen>),
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 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] 6 -     Push(Box<Screen>),
[INFO] [stdout] 6 +     Push(Box<dyn Screen>),
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/screen_stack.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     screens: Vec<Box<Screen>>,
[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] 8 -     screens: Vec<Box<Screen>>,
[INFO] [stdout] 8 +     screens: Vec<Box<dyn Screen>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |         actions: Vec<Box<Action>>,
[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] 117 -         actions: Vec<Box<Action>>,
[INFO] [stdout] 117 +         actions: Vec<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 actions: VecDeque<Box<Action>>,
[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] 184 -                 actions: VecDeque<Box<Action>>,
[INFO] [stdout] 184 +                 actions: VecDeque<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:254:36
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 action: Option<Box<Action>>,
[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] 254 -                 action: Option<Box<Action>>,
[INFO] [stdout] 254 +                 action: Option<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/visualizer.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn run(&mut self, start_screen: Box<Screen>) {
[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] 47 -     pub fn run(&mut self, start_screen: Box<Screen>) {
[INFO] [stdout] 47 +     pub fn run(&mut self, start_screen: Box<dyn Screen>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 |         pub fn add_action(&mut self, action: Box<Action>) {
[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] 106 -         pub fn add_action(&mut self, action: Box<Action>) {
[INFO] [stdout] 106 +         pub fn add_action(&mut self, action: Box<dyn Action>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:127:47
[INFO] [stdout]     |
[INFO] [stdout] 127 |         pub fn add(&mut self, mut action: Box<Action>) {
[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] 127 -         pub fn add(&mut self, mut action: Box<Action>) {
[INFO] [stdout] 127 +         pub fn add(&mut self, mut action: Box<dyn Action>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:50
[INFO] [stdout]     |
[INFO] [stdout] 168 |             fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 168 -             fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 168 +             fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:45
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 pub fn new(actions: Vec<Box<Action>>) -> Self {
[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] 188 -                 pub fn new(actions: Vec<Box<Action>>) -> Self {
[INFO] [stdout] 188 +                 pub fn new(actions: Vec<Box<dyn Action>>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:195:46
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 fn action(&mut self) -> &mut Action {
[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] 195 -                 fn action(&mut self) -> &mut Action {
[INFO] [stdout] 195 +                 fn action(&mut self) -> &mut dyn Action {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:236:54
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 236 -                 fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 236 +                 fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:258:40
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 pub fn new(action: Box<Action>) -> Self {
[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] 258 -                 pub fn new(action: Box<Action>) -> Self {
[INFO] [stdout] 258 +                 pub fn new(action: Box<dyn Action>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:54
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 266 -                 fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 266 +                 fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/screen.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Push(Box<Screen>),
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 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] 6 -     Push(Box<Screen>),
[INFO] [stdout] 6 +     Push(Box<dyn Screen>),
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/screen_stack.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     screens: Vec<Box<Screen>>,
[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] 8 -     screens: Vec<Box<Screen>>,
[INFO] [stdout] 8 +     screens: Vec<Box<dyn Screen>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |         actions: Vec<Box<Action>>,
[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] 117 -         actions: Vec<Box<Action>>,
[INFO] [stdout] 117 +         actions: Vec<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:184:39
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 actions: VecDeque<Box<Action>>,
[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] 184 -                 actions: VecDeque<Box<Action>>,
[INFO] [stdout] 184 +                 actions: VecDeque<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:254:36
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 action: Option<Box<Action>>,
[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] 254 -                 action: Option<Box<Action>>,
[INFO] [stdout] 254 +                 action: Option<Box<dyn Action>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/visualizer.rs:47:45
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn run(&mut self, start_screen: Box<Screen>) {
[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] 47 -     pub fn run(&mut self, start_screen: Box<Screen>) {
[INFO] [stdout] 47 +     pub fn run(&mut self, start_screen: Box<dyn Screen>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 |         pub fn add_action(&mut self, action: Box<Action>) {
[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] 106 -         pub fn add_action(&mut self, action: Box<Action>) {
[INFO] [stdout] 106 +         pub fn add_action(&mut self, action: Box<dyn Action>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:127:47
[INFO] [stdout]     |
[INFO] [stdout] 127 |         pub fn add(&mut self, mut action: Box<Action>) {
[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] 127 -         pub fn add(&mut self, mut action: Box<Action>) {
[INFO] [stdout] 127 +         pub fn add(&mut self, mut action: Box<dyn Action>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:50
[INFO] [stdout]     |
[INFO] [stdout] 168 |             fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 168 -             fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 168 +             fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:45
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 pub fn new(actions: Vec<Box<Action>>) -> Self {
[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] 188 -                 pub fn new(actions: Vec<Box<Action>>) -> Self {
[INFO] [stdout] 188 +                 pub fn new(actions: Vec<Box<dyn Action>>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:195:46
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 fn action(&mut self) -> &mut Action {
[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] 195 -                 fn action(&mut self) -> &mut Action {
[INFO] [stdout] 195 +                 fn action(&mut self) -> &mut dyn Action {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:236:54
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 236 -                 fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 236 +                 fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:258:40
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 pub fn new(action: Box<Action>) -> Self {
[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] 258 -                 pub fn new(action: Box<Action>) -> Self {
[INFO] [stdout] 258 +                 pub fn new(action: Box<dyn Action>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:54
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 fn try_fork(&mut self) -> Option<Box<Action>> {
[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] 266 -                 fn try_fork(&mut self) -> Option<Box<Action>> {
[INFO] [stdout] 266 +                 fn try_fork(&mut self) -> Option<Box<dyn Action>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.13s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hate-0145e1c70031bffd)
[INFO] running `Command { std: "docker" "inspect" "bd63af986dd36ed5e57ed81fd491449b23d2e92443efc3b517fcddcd411e5d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd63af986dd36ed5e57ed81fd491449b23d2e92443efc3b517fcddcd411e5d5a", kill_on_drop: false }`
[INFO] [stdout] bd63af986dd36ed5e57ed81fd491449b23d2e92443efc3b517fcddcd411e5d5a