[INFO] fetching crate interleave 1.0.1... [INFO] testing interleave-1.0.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate interleave 1.0.1 into /workspace/builds/worker-112/source [INFO] validating manifest of crates.io crate interleave 1.0.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate interleave 1.0.1 [INFO] finished tweaking crates.io crate interleave 1.0.1 [INFO] tweaked toml for crates.io crate interleave 1.0.1 written to /workspace/builds/worker-112/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clippy v0.0.77 [INFO] [stderr] Downloaded clippy_lints v0.0.77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f88fd7f395437489d5e1f3277e9d7fc94f739360e356c381efda67e07f32e28 [INFO] running `Command { std: "docker" "start" "-a" "2f88fd7f395437489d5e1f3277e9d7fc94f739360e356c381efda67e07f32e28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f88fd7f395437489d5e1f3277e9d7fc94f739360e356c381efda67e07f32e28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f88fd7f395437489d5e1f3277e9d7fc94f739360e356c381efda67e07f32e28", kill_on_drop: false }` [INFO] [stdout] 2f88fd7f395437489d5e1f3277e9d7fc94f739360e356c381efda67e07f32e28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27fb4d1ec1b646378264feb6bf1851ab597184e68d84bd2c6f5552c22f388f5a [INFO] running `Command { std: "docker" "start" "-a" "27fb4d1ec1b646378264feb6bf1851ab597184e68d84bd2c6f5552c22f388f5a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling interleave v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:38:24 [INFO] [stdout] | [INFO] [stdout] 38 | pub type Iter = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "27fb4d1ec1b646378264feb6bf1851ab597184e68d84bd2c6f5552c22f388f5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27fb4d1ec1b646378264feb6bf1851ab597184e68d84bd2c6f5552c22f388f5a", kill_on_drop: false }` [INFO] [stdout] 27fb4d1ec1b646378264feb6bf1851ab597184e68d84bd2c6f5552c22f388f5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e02cdfe7f47d97d3c4bda35b9b016c6b6a086731f64e60f1d483b6b4ba55a5f9 [INFO] running `Command { std: "docker" "start" "-a" "e02cdfe7f47d97d3c4bda35b9b016c6b6a086731f64e60f1d483b6b4ba55a5f9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:38:24 [INFO] [stdout] | [INFO] [stdout] 38 | pub type Iter = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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 interleave v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:38:24 [INFO] [stdout] | [INFO] [stdout] 38 | pub type Iter = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:193:21 [INFO] [stdout] | [INFO] [stdout] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:193:30 [INFO] [stdout] | [INFO] [stdout] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:193:38 [INFO] [stdout] | [INFO] [stdout] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:193:46 [INFO] [stdout] | [INFO] [stdout] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:194:21 [INFO] [stdout] | [INFO] [stdout] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:194:29 [INFO] [stdout] | [INFO] [stdout] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> examples/many.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | total.push(Box::new((-i[0]..i[1]))); [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:194:37 [INFO] [stdout] | [INFO] [stdout] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:194:45 [INFO] [stdout] | [INFO] [stdout] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:195:21 [INFO] [stdout] | [INFO] [stdout] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:195:29 [INFO] [stdout] | [INFO] [stdout] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:195:37 [INFO] [stdout] | [INFO] [stdout] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:195:45 [INFO] [stdout] | [INFO] [stdout] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | );* [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "e02cdfe7f47d97d3c4bda35b9b016c6b6a086731f64e60f1d483b6b4ba55a5f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e02cdfe7f47d97d3c4bda35b9b016c6b6a086731f64e60f1d483b6b4ba55a5f9", kill_on_drop: false }` [INFO] [stdout] e02cdfe7f47d97d3c4bda35b9b016c6b6a086731f64e60f1d483b6b4ba55a5f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f5c672d1a3fdc28c54dcdc385ccee2e287d83b9e8b90bc321cf0468a3cb09f6c [INFO] running `Command { std: "docker" "start" "-a" "f5c672d1a3fdc28c54dcdc385ccee2e287d83b9e8b90bc321cf0468a3cb09f6c", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:38:24 [INFO] [stderr] | [INFO] [stderr] 38 | pub type Iter = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [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: `interleave` (lib) generated 1 warning [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:110:4 [INFO] [stderr] | [INFO] [stderr] 110 | );* [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:110:4 [INFO] [stderr] | [INFO] [stderr] 110 | );* [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:193:21 [INFO] [stderr] | [INFO] [stderr] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:193:30 [INFO] [stderr] | [INFO] [stderr] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:193:38 [INFO] [stderr] | [INFO] [stderr] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:193:46 [INFO] [stderr] | [INFO] [stderr] 193 | check(interleave!((0..10), (0..5), (0..2), (0..7))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:194:21 [INFO] [stderr] | [INFO] [stderr] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:194:29 [INFO] [stderr] | [INFO] [stderr] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:194:37 [INFO] [stderr] | [INFO] [stderr] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:194:45 [INFO] [stderr] | [INFO] [stderr] 194 | check(interleave!((0..5), (0..2), (0..7), (0..10))); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:195:21 [INFO] [stderr] | [INFO] [stderr] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:195:29 [INFO] [stderr] | [INFO] [stderr] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:195:37 [INFO] [stderr] | [INFO] [stderr] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:195:45 [INFO] [stderr] | [INFO] [stderr] 195 | check(interleave!((0..5), (0..7), (0..2), (0..10))); [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `interleave` (lib test) generated 15 warnings (1 duplicate) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:110:4 [INFO] [stderr] | [INFO] [stderr] 110 | );* [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> examples/many.rs:16:23 [INFO] [stderr] | [INFO] [stderr] 16 | total.push(Box::new((-i[0]..i[1]))); [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `interleave` (example "two") generated 1 warning [INFO] [stderr] warning: `interleave` (example "many") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/interleave-e9c7113f4d376ff8) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::di_iter ... ok [INFO] [stdout] test tests::di_iter_infer ... ok [INFO] [stdout] test tests::diff_len ... ok [INFO] [stdout] test tests::quad_iter ... ok [INFO] [stdout] test tests::simple ... ok [INFO] [stdout] test tests::simple_infer ... ok [INFO] [stdout] test tests::tri_iter ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests interleave [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] test src/lib.rs - (line 23) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f5c672d1a3fdc28c54dcdc385ccee2e287d83b9e8b90bc321cf0468a3cb09f6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5c672d1a3fdc28c54dcdc385ccee2e287d83b9e8b90bc321cf0468a3cb09f6c", kill_on_drop: false }` [INFO] [stdout] f5c672d1a3fdc28c54dcdc385ccee2e287d83b9e8b90bc321cf0468a3cb09f6c