[INFO] fetching crate pebble-rust 0.1.0...
[INFO] testing pebble-rust-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate pebble-rust 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate pebble-rust 0.1.0
[INFO] finished tweaking crates.io crate pebble-rust 0.1.0
[INFO] tweaked toml for crates.io crate pebble-rust 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pebble-rust 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce998bb94c54006cd40448a6ca8e311fd46eeb451917aa4f21b30eeb151fa91
[INFO] running `Command { std: "docker" "start" "-a" "7ce998bb94c54006cd40448a6ca8e311fd46eeb451917aa4f21b30eeb151fa91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce998bb94c54006cd40448a6ca8e311fd46eeb451917aa4f21b30eeb151fa91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce998bb94c54006cd40448a6ca8e311fd46eeb451917aa4f21b30eeb151fa91", kill_on_drop: false }`
[INFO] [stdout] 7ce998bb94c54006cd40448a6ca8e311fd46eeb451917aa4f21b30eeb151fa91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 692feae31e9d84c11f34990283e97001e1401e980dd17b555bea797d53a06688
[INFO] running `Command { std: "docker" "start" "-a" "692feae31e9d84c11f34990283e97001e1401e980dd17b555bea797d53a06688", kill_on_drop: false }`
[INFO] [stderr]    Compiling pebble-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(core_intrinsics, intrinsics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(core_intrinsics, intrinsics)]
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(core_intrinsics, intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/types.rs:73:15
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub load: extern fn(*mut Window),
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/types.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub appear: extern fn(*mut Window),
[INFO] [stdout]    |                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/types.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub disappear: extern fn(*mut Window),
[INFO] [stdout]    |                    ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/types.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub unload: extern fn(*mut Window),
[INFO] [stdout]    |                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/declarations.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/declarations.rs:33:72
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn window_set_click_config_provider(window: *mut Window, func: extern fn(*mut c_void));
[INFO] [stdout]    |                                                                        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/declarations.rs:34:85
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn window_set_click_config_provider_with_context(window: *mut Window, func: extern fn(*mut u8), ctx: *mut u8);
[INFO] [stdout]    |                                                                                     ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/declarations.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn window_single_click_subscribe(button: u8, func: extern fn(*mut ClickRecognizer, *mut u8));
[INFO] [stdout]    |                                                            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/declarations.rs:50:59
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn layer_set_update_proc(layer: *mut Layer, func: extern fn(*mut Layer, *mut GContext));
[INFO] [stdout]    |                                                           ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/declarations.rs:69:64
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn tick_timer_service_subscribe(unit: TimeUnits, func: extern fn(*mut tm, TimeUnits));
[INFO] [stdout]    |                                                                ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/interface.rs:51:71
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn window_set_click_config_provider<T>(window: *mut Window, func: extern fn(*mut T)) {
[INFO] [stdout]    |                                                                       ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/internal/functions/interface.rs:57:84
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn window_set_click_config_provider_with_context<T>(window: *mut Window, func: extern fn(*mut T), ctx: *mut T) {
[INFO] [stdout]    |                                                                                    ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/pebble/internal/functions/interface.rs:105:59
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn window_single_click_subscribe<T>(button: u8, func: extern fn(*mut ClickRecognizer, *mut T)) {
[INFO] [stdout]     |                                                           ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/pebble/internal/functions/interface.rs:147:55
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn layer_set_update_proc(layer: *mut Layer, func: extern fn(*mut Layer, *mut GContext)) {
[INFO] [stdout]     |                                                       ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/pebble/internal/functions/interface.rs:223:60
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn tick_timer_service_subscribe(unit: TimeUnits, func: extern fn(*mut tm, TimeUnits)) {
[INFO] [stdout]     |                                                            ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/window.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub load: extern fn(WindowPtr),
[INFO] [stdout]    |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/window.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub unload: extern fn(WindowPtr),
[INFO] [stdout]    |                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/window.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub appear: extern fn(WindowPtr),
[INFO] [stdout]    |                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pebble/window.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub disappear: extern fn(WindowPtr)
[INFO] [stdout]    |                    ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pebble/layer.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn add_child(&self, layer: &ILayer) {
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn add_child(&self, layer: &dyn ILayer) {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pebble/layer.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn add_child(&self, layer: &ILayer);
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn add_child(&self, layer: &dyn ILayer);
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pebble/layer.rs:89:33
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn add_child(&self, layer: &ILayer) {
[INFO] [stdout]    |                                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn add_child(&self, layer: &dyn ILayer) {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pebble/layer.rs:126:33
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn add_child(&self, layer: &ILayer) {
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn add_child(&self, layer: &dyn ILayer) {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pebble-rust` (lib) due to 1 previous error; 25 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "692feae31e9d84c11f34990283e97001e1401e980dd17b555bea797d53a06688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692feae31e9d84c11f34990283e97001e1401e980dd17b555bea797d53a06688", kill_on_drop: false }`
[INFO] [stdout] 692feae31e9d84c11f34990283e97001e1401e980dd17b555bea797d53a06688
