[INFO] fetching crate ss-web-utils 0.1.1...
[INFO] testing ss-web-utils-0.1.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ss-web-utils 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ss-web-utils 0.1.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ss-web-utils 0.1.1
[INFO] finished tweaking crates.io crate ss-web-utils 0.1.1
[INFO] tweaked toml for crates.io crate ss-web-utils 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v0.1.8
[INFO] [stderr]   Downloaded cached v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0a4278bf19053def8ae4552d1c298d826c2a810de2457915568739b9c2d2e95
[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" "a0a4278bf19053def8ae4552d1c298d826c2a810de2457915568739b9c2d2e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a4278bf19053def8ae4552d1c298d826c2a810de2457915568739b9c2d2e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a4278bf19053def8ae4552d1c298d826c2a810de2457915568739b9c2d2e95", kill_on_drop: false }`
[INFO] [stdout] a0a4278bf19053def8ae4552d1c298d826c2a810de2457915568739b9c2d2e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--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] 4fa80f38f774a211159ac6ad091c36122356a6e22112252bd07b651361210378
[INFO] running `Command { std: "docker" "start" "-a" "4fa80f38f774a211159ac6ad091c36122356a6e22112252bd07b651361210378", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling cached v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]    Compiling js-sys v0.3.51
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling web-sys v0.3.51
[INFO] [stderr]    Compiling ss-web-utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/js.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn new(cb: Box<Fn(JsValue)>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[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/js.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub i_handler: Rc<Handler<Msg>>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[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/js.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn new(handler: Rc<Handler<Msg>>) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[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/dom.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn add_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stdout]     |                                                         ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:177:60
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn remove_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stdout]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:181:36
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn append_child(&self, child: &DomRef) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn remove_child(&self, child: &DomRef) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn try_remove_child(&self, child: &DomRef) -> Result<(), JsValue> {
[INFO] [stdout]     |                                        ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:197:41
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stdout]     |                                         ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:197:61
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:256:48
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn request_animation_frame(&self, cb: &Callback) {
[INFO] [stdout]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:259:36
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn set_timeout(&self, cb: &Callback, timeout: i32) {
[INFO] [stdout]     |                                    ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.58s
[INFO] running `Command { std: "docker" "inspect" "4fa80f38f774a211159ac6ad091c36122356a6e22112252bd07b651361210378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa80f38f774a211159ac6ad091c36122356a6e22112252bd07b651361210378", kill_on_drop: false }`
[INFO] [stdout] 4fa80f38f774a211159ac6ad091c36122356a6e22112252bd07b651361210378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9fd0a71a45b2c59dc8d5b9ae122df08d6da2680175922d8aae5c55f26813f40
[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" "a9fd0a71a45b2c59dc8d5b9ae122df08d6da2680175922d8aae5c55f26813f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling ss-web-utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/js.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn new(cb: Box<Fn(JsValue)>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[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/js.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub i_handler: Rc<Handler<Msg>>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[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/js.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn new(handler: Rc<Handler<Msg>>) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[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/dom.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn add_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stdout]     |                                                         ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:177:60
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn remove_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stdout]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:181:36
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn append_child(&self, child: &DomRef) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn remove_child(&self, child: &DomRef) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn try_remove_child(&self, child: &DomRef) -> Result<(), JsValue> {
[INFO] [stdout]     |                                        ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:197:41
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stdout]     |                                         ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:197:61
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:256:48
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn request_animation_frame(&self, cb: &Callback) {
[INFO] [stdout]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:259:36
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn set_timeout(&self, cb: &Callback, timeout: i32) {
[INFO] [stdout]     |                                    ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/js.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn new(cb: Box<Fn(JsValue)>) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[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/js.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub i_handler: Rc<Handler<Msg>>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[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/js.rs:180:28
[INFO] [stdout]     |
[INFO] [stdout] 180 |     pub fn new(handler: Rc<Handler<Msg>>) -> Self {
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[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/dom.rs:173:57
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn add_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stdout]     |                                                         ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:177:60
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn remove_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stdout]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:181:36
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn append_child(&self, child: &DomRef) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn remove_child(&self, child: &DomRef) {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn try_remove_child(&self, child: &DomRef) -> Result<(), JsValue> {
[INFO] [stdout]     |                                        ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:197:41
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stdout]     |                                         ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:197:61
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stdout]     |                                                             ^^^^^^ help: use `dyn`: `dyn DomRef`
[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/dom.rs:256:48
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn request_animation_frame(&self, cb: &Callback) {
[INFO] [stdout]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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/dom.rs:259:36
[INFO] [stdout]     |
[INFO] [stdout] 259 |     pub fn set_timeout(&self, cb: &Callback, timeout: i32) {
[INFO] [stdout]     |                                    ^^^^^^^^ help: use `dyn`: `dyn Callback`
[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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "a9fd0a71a45b2c59dc8d5b9ae122df08d6da2680175922d8aae5c55f26813f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fd0a71a45b2c59dc8d5b9ae122df08d6da2680175922d8aae5c55f26813f40", kill_on_drop: false }`
[INFO] [stdout] a9fd0a71a45b2c59dc8d5b9ae122df08d6da2680175922d8aae5c55f26813f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ceedb3c285c53972cebb7222b06c8a5089647bfff8a9664e440714112f2ecc63
[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" "ceedb3c285c53972cebb7222b06c8a5089647bfff8a9664e440714112f2ecc63", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/js.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn new(cb: Box<Fn(JsValue)>) -> Self {
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/js.rs:173:23
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub i_handler: Rc<Handler<Msg>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/js.rs:180:28
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn new(handler: Rc<Handler<Msg>>) -> Self {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:173:57
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn add_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stderr]     |                                                         ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:177:60
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn remove_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stderr]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:181:36
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn append_child(&self, child: &DomRef) {
[INFO] [stderr]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:186:36
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn remove_child(&self, child: &DomRef) {
[INFO] [stderr]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:191:40
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn try_remove_child(&self, child: &DomRef) -> Result<(), JsValue> {
[INFO] [stderr]     |                                        ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:197:41
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stderr]     |                                         ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:197:61
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stderr]     |                                                             ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:256:48
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn request_animation_frame(&self, cb: &Callback) {
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:259:36
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn set_timeout(&self, cb: &Callback, timeout: i32) {
[INFO] [stderr]     |                                    ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/js.rs:81:24
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn new(cb: Box<Fn(JsValue)>) -> Self {
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/js.rs:173:23
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub i_handler: Rc<Handler<Msg>>,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/js.rs:180:28
[INFO] [stderr]     |
[INFO] [stderr] 180 |     pub fn new(handler: Rc<Handler<Msg>>) -> Self {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn Handler<Msg>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:173:57
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn add_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stderr]     |                                                         ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:177:60
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn remove_event_listener(&self, event_name: &str, cb: &Callback) {
[INFO] [stderr]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:181:36
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn append_child(&self, child: &DomRef) {
[INFO] [stderr]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:186:36
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn remove_child(&self, child: &DomRef) {
[INFO] [stderr]     |                                    ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:191:40
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn try_remove_child(&self, child: &DomRef) -> Result<(), JsValue> {
[INFO] [stderr]     |                                        ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:197:41
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stderr]     |                                         ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:197:61
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fn replace_child(&self, new_child: &DomRef, old_child: &DomRef) {
[INFO] [stderr]     |                                                             ^^^^^^ help: use `dyn`: `dyn DomRef`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:256:48
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn request_animation_frame(&self, cb: &Callback) {
[INFO] [stderr]     |                                                ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/dom.rs:259:36
[INFO] [stderr]     |
[INFO] [stderr] 259 |     pub fn set_timeout(&self, cb: &Callback, timeout: i32) {
[INFO] [stderr]     |                                    ^^^^^^^^ help: use `dyn`: `dyn Callback`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ss_web_utils-c1e0a0faff5b05a8)
[INFO] [stderr]    Doc-tests ss-web-utils
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ceedb3c285c53972cebb7222b06c8a5089647bfff8a9664e440714112f2ecc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceedb3c285c53972cebb7222b06c8a5089647bfff8a9664e440714112f2ecc63", kill_on_drop: false }`
[INFO] [stdout] ceedb3c285c53972cebb7222b06c8a5089647bfff8a9664e440714112f2ecc63