[INFO] fetching crate parse_result 0.1.0... [INFO] testing parse_result-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate parse_result 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate parse_result 0.1.0 [INFO] finished tweaking crates.io crate parse_result 0.1.0 [INFO] tweaked toml for crates.io crate parse_result 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate parse_result 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3f16c35497009cd4a2ca93197818f541990e929fdab6bf49cd2fe16498a88fc [INFO] running `Command { std: "docker" "start" "-a" "e3f16c35497009cd4a2ca93197818f541990e929fdab6bf49cd2fe16498a88fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3f16c35497009cd4a2ca93197818f541990e929fdab6bf49cd2fe16498a88fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3f16c35497009cd4a2ca93197818f541990e929fdab6bf49cd2fe16498a88fc", kill_on_drop: false }` [INFO] [stdout] e3f16c35497009cd4a2ca93197818f541990e929fdab6bf49cd2fe16498a88fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ec93a1451f748740bf6b95429f32cc50440441f49fd076e8f3ec25466e956b3 [INFO] running `Command { std: "docker" "start" "-a" "2ec93a1451f748740bf6b95429f32cc50440441f49fd076e8f3ec25466e956b3", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling parse_result v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this attribute can only be applied to a `use` item [INFO] [stdout] --> src/lib.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | #[doc(inline)] [INFO] [stdout] | ^^^^^^ only applicable on `use` items [INFO] [stdout] 36 | /// Extension trait to add `parse` to `Result`. [INFO] [stdout] 37 | pub trait ParseResult { [INFO] [stdout] | ------------------------ not a `use` item [INFO] [stdout] | [INFO] [stdout] = note: read for more information [INFO] [stdout] = note: `#[warn(invalid_doc_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:74:32 [INFO] [stdout] | [INFO] [stdout] 74 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] 74 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:69:37 [INFO] [stdout] | [INFO] [stdout] 69 | OriginalErr(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:70:38 [INFO] [stdout] | [INFO] [stdout] 70 | ParseFailure(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "2ec93a1451f748740bf6b95429f32cc50440441f49fd076e8f3ec25466e956b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ec93a1451f748740bf6b95429f32cc50440441f49fd076e8f3ec25466e956b3", kill_on_drop: false }` [INFO] [stdout] 2ec93a1451f748740bf6b95429f32cc50440441f49fd076e8f3ec25466e956b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0fa84ffc2206686c08f4c6bc30f585a5d1d51dd2787de040667130f82fb1b03d [INFO] running `Command { std: "docker" "start" "-a" "0fa84ffc2206686c08f4c6bc30f585a5d1d51dd2787de040667130f82fb1b03d", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stdout] warning: this attribute can only be applied to a `use` item [INFO] [stdout] --> src/lib.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | #[doc(inline)] [INFO] [stdout] | ^^^^^^ only applicable on `use` items [INFO] [stdout] 36 | /// Extension trait to add `parse` to `Result`. [INFO] [stdout] 37 | pub trait ParseResult { [INFO] [stdout] | ------------------------ not a `use` item [INFO] [stdout] | [INFO] [stdout] = note: read for more information [INFO] [stdout] = note: `#[warn(invalid_doc_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:74:32 [INFO] [stdout] | [INFO] [stdout] 74 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] 74 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:69:37 [INFO] [stdout] | [INFO] [stdout] 69 | OriginalErr(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:70:38 [INFO] [stdout] | [INFO] [stdout] 70 | ParseFailure(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling parse_result v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:143:12 [INFO] [stdout] | [INFO] [stdout] 143 | Ok(try!(env::var("PORT").parse())) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this attribute can only be applied to a `use` item [INFO] [stdout] --> src/lib.rs:35:7 [INFO] [stdout] | [INFO] [stdout] 35 | #[doc(inline)] [INFO] [stdout] | ^^^^^^ only applicable on `use` items [INFO] [stdout] 36 | /// Extension trait to add `parse` to `Result`. [INFO] [stdout] 37 | pub trait ParseResult { [INFO] [stdout] | ------------------------ not a `use` item [INFO] [stdout] | [INFO] [stdout] = note: read for more information [INFO] [stdout] = note: `#[warn(invalid_doc_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:74:32 [INFO] [stdout] | [INFO] [stdout] 74 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] 74 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:142:38 [INFO] [stdout] | [INFO] [stdout] 142 | fn get_port() -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 142 | fn get_port() -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:69:37 [INFO] [stdout] | [INFO] [stdout] 69 | OriginalErr(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:70:38 [INFO] [stdout] | [INFO] [stdout] 70 | ParseFailure(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | assert!(Any::is::(&err)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 107 | assert!(::is::(&err)); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 131 | assert!(Any::is::(&err)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 131 | assert!(::is::(&err)); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "0fa84ffc2206686c08f4c6bc30f585a5d1d51dd2787de040667130f82fb1b03d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fa84ffc2206686c08f4c6bc30f585a5d1d51dd2787de040667130f82fb1b03d", kill_on_drop: false }` [INFO] [stdout] 0fa84ffc2206686c08f4c6bc30f585a5d1d51dd2787de040667130f82fb1b03d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 48d3a604e73bb1acc46cef509251e025e598ff35f6fc9a1b39d52bb8117ad184 [INFO] running `Command { std: "docker" "start" "-a" "48d3a604e73bb1acc46cef509251e025e598ff35f6fc9a1b39d52bb8117ad184", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: this attribute can only be applied to a `use` item [INFO] [stderr] --> src/lib.rs:35:7 [INFO] [stderr] | [INFO] [stderr] 35 | #[doc(inline)] [INFO] [stderr] | ^^^^^^ only applicable on `use` items [INFO] [stderr] 36 | /// Extension trait to add `parse` to `Result`. [INFO] [stderr] 37 | pub trait ParseResult { [INFO] [stderr] | ------------------------ not a `use` item [INFO] [stderr] | [INFO] [stderr] = note: read for more information [INFO] [stderr] = note: `#[warn(invalid_doc_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:74:32 [INFO] [stderr] | [INFO] [stderr] 74 | fn cause(&self) -> Option<&StdError> { [INFO] [stderr] | ^^^^^^^^ [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 [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 74 | fn cause(&self) -> Option<&dyn StdError> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:69:37 [INFO] [stderr] | [INFO] [stderr] 69 | OriginalErr(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:70:38 [INFO] [stderr] | [INFO] [stderr] 70 | ParseFailure(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `parse_result` (lib) generated 4 warnings (run `cargo fix --lib -p parse_result` to apply 1 suggestion) [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:143:12 [INFO] [stderr] | [INFO] [stderr] 143 | Ok(try!(env::var("PORT").parse())) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:142:38 [INFO] [stderr] | [INFO] [stderr] 142 | fn get_port() -> Result> { [INFO] [stderr] | ^^^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 142 | fn get_port() -> Result> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:69:37 [INFO] [stderr] | [INFO] [stderr] 69 | OriginalErr(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | assert!(Any::is::(&err)); [INFO] [stderr] | ^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 107 | assert!(::is::(&err)); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:131:17 [INFO] [stderr] | [INFO] [stderr] 131 | assert!(Any::is::(&err)); [INFO] [stderr] | ^^^ [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 [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 131 | assert!(::is::(&err)); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: `parse_result` (lib test) generated 8 warnings (3 duplicates) (run `cargo fix --lib -p parse_result --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parse_result-8cfa6e981643db81) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test boxed_error_works ... ok [INFO] [stdout] test fails_to_parse_an_original_err ... ok [INFO] [stdout] test parses_ok_with_type_inference ... ok [INFO] [stdout] test returns_parse_error_on_parse_failure ... ok [INFO] [stdout] test allows_turbofish_usage ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests parse_result [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 8) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "48d3a604e73bb1acc46cef509251e025e598ff35f6fc9a1b39d52bb8117ad184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48d3a604e73bb1acc46cef509251e025e598ff35f6fc9a1b39d52bb8117ad184", kill_on_drop: false }` [INFO] [stdout] 48d3a604e73bb1acc46cef509251e025e598ff35f6fc9a1b39d52bb8117ad184