[INFO] fetching crate downcast 0.10.0... [INFO] testing downcast-0.10.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate downcast 0.10.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate downcast 0.10.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate downcast 0.10.0 [INFO] finished tweaking crates.io crate downcast 0.10.0 [INFO] tweaked toml for crates.io crate downcast 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb9df7e1a077181179a9ae50b82b660d21c2fdfaf7572baccedf994c16a7f36e [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" "fb9df7e1a077181179a9ae50b82b660d21c2fdfaf7572baccedf994c16a7f36e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb9df7e1a077181179a9ae50b82b660d21c2fdfaf7572baccedf994c16a7f36e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb9df7e1a077181179a9ae50b82b660d21c2fdfaf7572baccedf994c16a7f36e", kill_on_drop: false }` [INFO] [stdout] fb9df7e1a077181179a9ae50b82b660d21c2fdfaf7572baccedf994c16a7f36e [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4c0b9482b10d4d9bb47775cc9e619824ea38a78bbd93ad02a27584fc8e4f76f [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" "b4c0b9482b10d4d9bb47775cc9e619824ea38a78bbd93ad02a27584fc8e4f76f", kill_on_drop: false }` [INFO] [stderr] Compiling downcast v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:406:20 [INFO] [stdout] | [INFO] [stdout] 406 | impl_downcast!(Any); [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:407:21 [INFO] [stdout] | [INFO] [stdout] 407 | impl_downcast!((Any + Send)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:408:21 [INFO] [stdout] | [INFO] [stdout] 408 | impl_downcast!((Any + Sync)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:409:21 [INFO] [stdout] | [INFO] [stdout] 409 | impl_downcast!((Any + Send + Sync)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:102:51 [INFO] [stdout] | [INFO] [stdout] 102 | fn description(&self) -> &str { self.mismatch.description() } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vtable` [INFO] [stdout] --> src/lib.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | pub vtable: *mut (), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "b4c0b9482b10d4d9bb47775cc9e619824ea38a78bbd93ad02a27584fc8e4f76f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4c0b9482b10d4d9bb47775cc9e619824ea38a78bbd93ad02a27584fc8e4f76f", kill_on_drop: false }` [INFO] [stdout] b4c0b9482b10d4d9bb47775cc9e619824ea38a78bbd93ad02a27584fc8e4f76f [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c7897ba62db4dbf7139466ec6583ed77861404500ceb58cf05e69eec9b45c428 [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" "c7897ba62db4dbf7139466ec6583ed77861404500ceb58cf05e69eec9b45c428", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:406:20 [INFO] [stdout] | [INFO] [stdout] 406 | impl_downcast!(Any); [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling downcast v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:407:21 [INFO] [stdout] | [INFO] [stdout] 407 | impl_downcast!((Any + Send)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:408:21 [INFO] [stdout] | [INFO] [stdout] 408 | impl_downcast!((Any + Sync)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:409:21 [INFO] [stdout] | [INFO] [stdout] 409 | impl_downcast!((Any + Send + Sync)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:102:51 [INFO] [stdout] | [INFO] [stdout] 102 | fn description(&self) -> &str { self.mismatch.description() } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vtable` [INFO] [stdout] --> src/lib.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | pub vtable: *mut (), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/simple.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | downcast!(Animal); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Animal` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/simple.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | downcast!(Animal); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Animal` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/simple.rs:27:21 [INFO] [stdout] | [INFO] [stdout] 27 | let animal: Box = Box::new(Bird); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Animal` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:406:20 [INFO] [stdout] | [INFO] [stdout] 406 | impl_downcast!(Any); [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Any` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:407:21 [INFO] [stdout] | [INFO] [stdout] 407 | impl_downcast!((Any + Send)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:408:21 [INFO] [stdout] | [INFO] [stdout] 408 | impl_downcast!((Any + Sync)); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:409:21 [INFO] [stdout] | [INFO] [stdout] 409 | impl_downcast!((Any + Send + Sync)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/tests.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | downcast!(Simple); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Simple` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/tests.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | downcast!(Simple); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Simple` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/tests.rs:9:18 [INFO] [stdout] | [INFO] [stdout] 9 | downcast!( WithParams); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/tests.rs:25:20 [INFO] [stdout] | [INFO] [stdout] 25 | let mut a: Box = Box::new(ImplA{ data: "data".into() }); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Simple` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/tests.rs:38:20 [INFO] [stdout] | [INFO] [stdout] 38 | let mut a: Box> = Box::new(ImplA{ data: "data".into() }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/with_params.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | downcast!( Animal where X: Debug); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Animal` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/with_params.rs:11:15 [INFO] [stdout] | [INFO] [stdout] 11 | downcast!( Animal where X: Debug); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Animal` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/with_params.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | let animal: Box> = Box::new(Bird); [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Animal` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:102:51 [INFO] [stdout] | [INFO] [stdout] 102 | fn description(&self) -> &str { self.mismatch.description() } [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vtable` [INFO] [stdout] --> src/lib.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | pub vtable: *mut (), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.92s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c7897ba62db4dbf7139466ec6583ed77861404500ceb58cf05e69eec9b45c428", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7897ba62db4dbf7139466ec6583ed77861404500ceb58cf05e69eec9b45c428", kill_on_drop: false }` [INFO] [stdout] c7897ba62db4dbf7139466ec6583ed77861404500ceb58cf05e69eec9b45c428 [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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] 8960ddf685ded7c21af0ef3e2644fe728006cf30db48a60846b96eda5f48f921 [INFO] running `Command { std: "docker" "start" "-a" "8960ddf685ded7c21af0ef3e2644fe728006cf30db48a60846b96eda5f48f921", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:406:20 [INFO] [stderr] | [INFO] [stderr] 406 | impl_downcast!(Any); [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:407:21 [INFO] [stderr] | [INFO] [stderr] 407 | impl_downcast!((Any + Send)); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:408:21 [INFO] [stderr] | [INFO] [stderr] 408 | impl_downcast!((Any + Sync)); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:409:21 [INFO] [stderr] | [INFO] [stderr] 409 | impl_downcast!((Any + Send + Sync)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:102:51 [INFO] [stderr] | [INFO] [stderr] 102 | fn description(&self) -> &str { self.mismatch.description() } [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `vtable` [INFO] [stderr] --> src/lib.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | pub vtable: *mut (), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:406:20 [INFO] [stderr] | [INFO] [stderr] 406 | impl_downcast!(Any); [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Any` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:407:21 [INFO] [stderr] | [INFO] [stderr] 407 | impl_downcast!((Any + Send)); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:408:21 [INFO] [stderr] | [INFO] [stderr] 408 | impl_downcast!((Any + Sync)); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn Any + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:409:21 [INFO] [stderr] | [INFO] [stderr] 409 | impl_downcast!((Any + Send + Sync)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:102:51 [INFO] [stderr] | [INFO] [stderr] 102 | fn description(&self) -> &str { self.mismatch.description() } [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `vtable` [INFO] [stderr] --> src/lib.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 110 | pub vtable: *mut (), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/with_params.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | downcast!( Animal where X: Debug); [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/with_params.rs:11:15 [INFO] [stderr] | [INFO] [stderr] 11 | downcast!( Animal where X: Debug); [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/with_params.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | let animal: Box> = Box::new(Bird); [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/simple.rs:10:11 [INFO] [stderr] | [INFO] [stderr] 10 | downcast!(Animal); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/simple.rs:10:11 [INFO] [stderr] | [INFO] [stderr] 10 | downcast!(Animal); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/simple.rs:27:21 [INFO] [stderr] | [INFO] [stderr] 27 | let animal: Box = Box::new(Bird); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/tests.rs:6:11 [INFO] [stderr] | [INFO] [stderr] 6 | downcast!(Simple); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Simple` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/tests.rs:6:11 [INFO] [stderr] | [INFO] [stderr] 6 | downcast!(Simple); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Simple` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/tests.rs:9:18 [INFO] [stderr] | [INFO] [stderr] 9 | downcast!( WithParams); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/tests.rs:25:20 [INFO] [stderr] | [INFO] [stderr] 25 | let mut a: Box = Box::new(ImplA{ data: "data".into() }); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Simple` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/tests.rs:38:20 [INFO] [stderr] | [INFO] [stderr] 38 | let mut a: Box> = Box::new(ImplA{ data: "data".into() }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WithParams` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/downcast-489aec27ff962fb5) [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-378a77abb6ad88c8) [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 2 tests [INFO] [stdout] test simple ... ok [INFO] [stdout] test with_params ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests downcast [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - downcast_methods (line 341) ... ignored [INFO] [stdout] test src/lib.rs - downcast_methods (line 347) ... ignored [INFO] [stdout] test src/lib.rs - impl_downcast (line 173) ... ignored [INFO] [stdout] test src/lib.rs - impl_downcast (line 181) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8960ddf685ded7c21af0ef3e2644fe728006cf30db48a60846b96eda5f48f921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8960ddf685ded7c21af0ef3e2644fe728006cf30db48a60846b96eda5f48f921", kill_on_drop: false }` [INFO] [stdout] 8960ddf685ded7c21af0ef3e2644fe728006cf30db48a60846b96eda5f48f921