[INFO] fetching crate quickercheck 0.2.0... [INFO] checking quickercheck-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate quickercheck 0.2.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate quickercheck 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate quickercheck 0.2.0 [INFO] finished tweaking crates.io crate quickercheck 0.2.0 [INFO] tweaked toml for crates.io crate quickercheck 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f61d0cd3c6c2ac1e2c429eb0ccf9058bc0c8057d8c6383bf6deadfac6c6c7d3 [INFO] running `Command { std: "docker" "start" "-a" "3f61d0cd3c6c2ac1e2c429eb0ccf9058bc0c8057d8c6383bf6deadfac6c6c7d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f61d0cd3c6c2ac1e2c429eb0ccf9058bc0c8057d8c6383bf6deadfac6c6c7d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f61d0cd3c6c2ac1e2c429eb0ccf9058bc0c8057d8c6383bf6deadfac6c6c7d3", kill_on_drop: false }` [INFO] [stdout] 3f61d0cd3c6c2ac1e2c429eb0ccf9058bc0c8057d8c6383bf6deadfac6c6c7d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a37cdf9a81f9bf90d6f79fe357dd4f4bdbaadcc0a4f33d347e309feda60b749d [INFO] running `Command { std: "docker" "start" "-a" "a37cdf9a81f9bf90d6f79fe357dd4f4bdbaadcc0a4f33d347e309feda60b749d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking quickercheck v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/generate.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | fn generate(&self, &mut GenerateCtx) -> ::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut GenerateCtx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:105:37 [INFO] [stdout] | [INFO] [stdout] 105 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 132 | int_impls! { i8, i16, i32, i64, isize } [INFO] [stdout] | --------------------------------------- in this macro invocation [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] = note: this warning originates in the macro `int_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:148:37 [INFO] [stdout] | [INFO] [stdout] 148 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 163 | uint_impls! { u8, u16, u32, u64, usize } [INFO] [stdout] | ---------------------------------------- in this macro invocation [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] = note: this warning originates in the macro `uint_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:185:25 [INFO] [stdout] | [INFO] [stdout] 185 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:197:54 [INFO] [stdout] | [INFO] [stdout] 197 | .fold(Box::new(iter::empty()) as Box>, |it, next| Box::new(it.chain(next)) ) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:210:42 [INFO] [stdout] | [INFO] [stdout] 210 | ... ) as Box> [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:213:62 [INFO] [stdout] | [INFO] [stdout] 213 | .fold(Box::new(iter::empty()) as Box>, |it, next| Box::new(it.chain(next))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/generate.rs:39:38 [INFO] [stdout] | [INFO] [stdout] 39 | fn generate(&self, &mut GenerateCtx) -> ::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut GenerateCtx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:274:25 [INFO] [stdout] | [INFO] [stdout] 274 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:67 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:108 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:104:88 [INFO] [stdout] | [INFO] [stdout] 104 | type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Generator>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:105:84 [INFO] [stdout] | [INFO] [stdout] 105 | type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Shrink>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:67 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rose.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | pub iterator: Box>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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/rose.rs:33:31 [INFO] [stdout] | [INFO] [stdout] 33 | fn iterator(&self) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:78:28 [INFO] [stdout] | [INFO] [stdout] 78 | where F: Fn(&T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:89:28 [INFO] [stdout] | [INFO] [stdout] 89 | where F: Fn(&T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rose.rs:93:31 [INFO] [stdout] | [INFO] [stdout] 93 | fn iterator(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:109:32 [INFO] [stdout] | [INFO] [stdout] 109 | where F: Fn(&S, &T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:121:32 [INFO] [stdout] | [INFO] [stdout] 121 | where F: Fn(&S, &T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rose.rs:125:31 [INFO] [stdout] | [INFO] [stdout] 125 | fn iterator(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/testable.rs:198:60 [INFO] [stdout] | [INFO] [stdout] 198 | fn simple_prop() -> TestStatus { TestStatus::Pass }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:65:33 [INFO] [stdout] | [INFO] [stdout] 65 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 89 | macro_tuples_impl!{tuple_impls} [INFO] [stdout] | ------------------------------- in this macro invocation [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] = note: this warning originates in the macro `tuple_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:105:37 [INFO] [stdout] | [INFO] [stdout] 105 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 132 | int_impls! { i8, i16, i32, i64, isize } [INFO] [stdout] | --------------------------------------- in this macro invocation [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] = note: this warning originates in the macro `int_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:148:37 [INFO] [stdout] | [INFO] [stdout] 148 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] ... [INFO] [stdout] 163 | uint_impls! { u8, u16, u32, u64, usize } [INFO] [stdout] | ---------------------------------------- in this macro invocation [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] = note: this warning originates in the macro `uint_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/shrink.rs:185:25 [INFO] [stdout] | [INFO] [stdout] 185 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:197:54 [INFO] [stdout] | [INFO] [stdout] 197 | .fold(Box::new(iter::empty()) as Box>, |it, next| Box::new(it.chain(next)) ) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:210:42 [INFO] [stdout] | [INFO] [stdout] 210 | ... ) as Box> [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:213:62 [INFO] [stdout] | [INFO] [stdout] 213 | .fold(Box::new(iter::empty()) as Box>, |it, next| Box::new(it.chain(next))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/shrink.rs:274:25 [INFO] [stdout] | [INFO] [stdout] 274 | type Iterator = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:67 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:108 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:104:88 [INFO] [stdout] | [INFO] [stdout] 104 | type Generator = FromIteratorGenerator<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Generator>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:105:84 [INFO] [stdout] | [INFO] [stdout] 105 | type Shrink = FromIteratorShrinker<$container<$($placeholder),*>, <($($placeholder),*) as Arbitrary>::Shrink>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/arbitrary.rs:102:67 [INFO] [stdout] | [INFO] [stdout] 102 | where $container<$($placeholder),*>: FromIterator<($($placeholder),*)> + IntoIterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] ... [INFO] [stdout] 119 | / generic_impls! { [INFO] [stdout] 120 | | Vec, [INFO] [stdout] 121 | | BTreeMap, [INFO] [stdout] 122 | | BTreeSet, [INFO] [stdout] ... | [INFO] [stdout] 127 | | VecDeque [INFO] [stdout] 128 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `generic_impls` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rose.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | pub iterator: Box>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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/rose.rs:33:31 [INFO] [stdout] | [INFO] [stdout] 33 | fn iterator(&self) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:78:28 [INFO] [stdout] | [INFO] [stdout] 78 | where F: Fn(&T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:89:28 [INFO] [stdout] | [INFO] [stdout] 89 | where F: Fn(&T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:93:31 [INFO] [stdout] | [INFO] [stdout] 93 | fn iterator(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:109:32 [INFO] [stdout] | [INFO] [stdout] 109 | where F: Fn(&S, &T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:121:32 [INFO] [stdout] | [INFO] [stdout] 121 | where F: Fn(&S, &T) -> Box> + 'static [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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/rose.rs:125:31 [INFO] [stdout] | [INFO] [stdout] 125 | fn iterator(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements [INFO] [stdout] --> src/generate.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | Self::new(self.rng, self.size/2) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: first, the lifetime cannot outlive the lifetime `'b` as defined on the method body at 19:17... [INFO] [stdout] --> src/generate.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn chop<'b>(&'b mut self) -> GenerateCtx<'b, R> [INFO] [stdout] | ^^ [INFO] [stdout] note: ...so that reference does not outlive borrowed content [INFO] [stdout] --> src/generate.rs:22:19 [INFO] [stdout] | [INFO] [stdout] 22 | Self::new(self.rng, self.size/2) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] note: but, the lifetime must be valid for the lifetime `'a` as defined on the impl at 13:7... [INFO] [stdout] --> src/generate.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | impl <'a, R: ?Sized + 'a> GenerateCtx<'a, R> { [INFO] [stdout] | ^^ [INFO] [stdout] note: ...so that the types are compatible [INFO] [stdout] --> src/generate.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | Self::new(self.rng, self.size/2) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: expected `GenerateCtx<'_, _>` [INFO] [stdout] found `GenerateCtx<'a, _>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0495]: cannot infer an appropriate lifetime for lifetime parameter `'a` due to conflicting requirements [INFO] [stdout] --> src/generate.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | Self::new(self.rng, self.size/2) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: first, the lifetime cannot outlive the lifetime `'b` as defined on the method body at 19:17... [INFO] [stdout] --> src/generate.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn chop<'b>(&'b mut self) -> GenerateCtx<'b, R> [INFO] [stdout] | ^^ [INFO] [stdout] note: ...so that reference does not outlive borrowed content [INFO] [stdout] --> src/generate.rs:22:19 [INFO] [stdout] | [INFO] [stdout] 22 | Self::new(self.rng, self.size/2) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] note: but, the lifetime must be valid for the lifetime `'a` as defined on the impl at 13:7... [INFO] [stdout] --> src/generate.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | impl <'a, R: ?Sized + 'a> GenerateCtx<'a, R> { [INFO] [stdout] | ^^ [INFO] [stdout] note: ...so that the types are compatible [INFO] [stdout] --> src/generate.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | Self::new(self.rng, self.size/2) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: expected `generate::GenerateCtx<'_, _>` [INFO] [stdout] found `generate::GenerateCtx<'a, _>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0495`. [INFO] [stdout] [INFO] [stderr] error: could not compile `quickercheck` due to 2 previous errors; 33 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0495`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a37cdf9a81f9bf90d6f79fe357dd4f4bdbaadcc0a4f33d347e309feda60b749d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a37cdf9a81f9bf90d6f79fe357dd4f4bdbaadcc0a4f33d347e309feda60b749d", kill_on_drop: false }` [INFO] [stdout] a37cdf9a81f9bf90d6f79fe357dd4f4bdbaadcc0a4f33d347e309feda60b749d