[INFO] fetching crate stable-skiplist 0.1.1... [INFO] testing stable-skiplist-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate stable-skiplist 0.1.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate stable-skiplist 0.1.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stable-skiplist 0.1.1 [INFO] finished tweaking crates.io crate stable-skiplist 0.1.1 [INFO] tweaked toml for crates.io crate stable-skiplist 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9c31d4da22e1ff7f9c21daf61216d86f4ebc40e2e82c6382a8cdf9b6277dd269 [INFO] running `Command { std: "docker" "start" "-a" "9c31d4da22e1ff7f9c21daf61216d86f4ebc40e2e82c6382a8cdf9b6277dd269", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c31d4da22e1ff7f9c21daf61216d86f4ebc40e2e82c6382a8cdf9b6277dd269", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c31d4da22e1ff7f9c21daf61216d86f4ebc40e2e82c6382a8cdf9b6277dd269", kill_on_drop: false }` [INFO] [stdout] 9c31d4da22e1ff7f9c21daf61216d86f4ebc40e2e82c6382a8cdf9b6277dd269 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9e2d163d209bdee11415eee576dc7a0b6dc955123f2a375604a9e638e6dea88 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a9e2d163d209bdee11415eee576dc7a0b6dc955123f2a375604a9e638e6dea88", kill_on_drop: false }` [INFO] [stderr] Compiling stable-skiplist v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ordered_skiplist.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | compare: Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ordered_skiplist.rs:81:24 [INFO] [stdout] | [INFO] [stdout] 81 | })) as Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [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/ordered_skiplist.rs:115:24 [INFO] [stdout] | [INFO] [stdout] 115 | })) as Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1415:9 [INFO] [stdout] | [INFO] [stdout] 1415 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1419:17 [INFO] [stdout] | [INFO] [stdout] 1419 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1421:13 [INFO] [stdout] | [INFO] [stdout] 1421 | try!(write!(f, "{:?}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1430:9 [INFO] [stdout] | [INFO] [stdout] 1430 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1434:17 [INFO] [stdout] | [INFO] [stdout] 1434 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1436:13 [INFO] [stdout] | [INFO] [stdout] 1436 | try!(write!(f, "{}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1356:9 [INFO] [stdout] | [INFO] [stdout] 1356 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1360:17 [INFO] [stdout] | [INFO] [stdout] 1360 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1362:13 [INFO] [stdout] | [INFO] [stdout] 1362 | try!(write!(f, "({:?}, {:?})", k, v)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1373:9 [INFO] [stdout] | [INFO] [stdout] 1373 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1377:17 [INFO] [stdout] | [INFO] [stdout] 1377 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1379:13 [INFO] [stdout] | [INFO] [stdout] 1379 | try!(write!(f, "({}, {})", k, v)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1156:9 [INFO] [stdout] | [INFO] [stdout] 1156 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1160:17 [INFO] [stdout] | [INFO] [stdout] 1160 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1162:13 [INFO] [stdout] | [INFO] [stdout] 1162 | try!(write!(f, "{:?}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1171:9 [INFO] [stdout] | [INFO] [stdout] 1171 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1175:17 [INFO] [stdout] | [INFO] [stdout] 1175 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1177:13 [INFO] [stdout] | [INFO] [stdout] 1177 | try!(write!(f, "{}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:847:21 [INFO] [stdout] | [INFO] [stdout] 847 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:922:21 [INFO] [stdout] | [INFO] [stdout] 922 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:1347:17 [INFO] [stdout] | [INFO] [stdout] 1347 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:308:17 [INFO] [stdout] | [INFO] [stdout] 308 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:313:9 [INFO] [stdout] | [INFO] [stdout] 313 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:1255:17 [INFO] [stdout] | [INFO] [stdout] 1255 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:567:21 [INFO] [stdout] | [INFO] [stdout] 567 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:863:21 [INFO] [stdout] | [INFO] [stdout] 863 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:1088:17 [INFO] [stdout] | [INFO] [stdout] 1088 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "a9e2d163d209bdee11415eee576dc7a0b6dc955123f2a375604a9e638e6dea88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9e2d163d209bdee11415eee576dc7a0b6dc955123f2a375604a9e638e6dea88", kill_on_drop: false }` [INFO] [stdout] a9e2d163d209bdee11415eee576dc7a0b6dc955123f2a375604a9e638e6dea88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5dba33853a669a110afe6f4b508a2d046850527b6b6fa9a3b72f7abb4b67ae2f [INFO] running `Command { std: "docker" "start" "-a" "5dba33853a669a110afe6f4b508a2d046850527b6b6fa9a3b72f7abb4b67ae2f", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ordered_skiplist.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | compare: Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ordered_skiplist.rs:81:24 [INFO] [stdout] | [INFO] [stdout] 81 | })) as Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [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/ordered_skiplist.rs:115:24 [INFO] [stdout] | [INFO] [stdout] 115 | })) as Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1415:9 [INFO] [stdout] | [INFO] [stdout] 1415 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1419:17 [INFO] [stdout] | [INFO] [stdout] 1419 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1421:13 [INFO] [stdout] | [INFO] [stdout] 1421 | try!(write!(f, "{:?}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1430:9 [INFO] [stdout] | [INFO] [stdout] 1430 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1434:17 [INFO] [stdout] | [INFO] [stdout] 1434 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1436:13 [INFO] [stdout] | [INFO] [stdout] 1436 | try!(write!(f, "{}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1356:9 [INFO] [stdout] | [INFO] [stdout] 1356 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1360:17 [INFO] [stdout] | [INFO] [stdout] 1360 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1362:13 [INFO] [stdout] | [INFO] [stdout] 1362 | try!(write!(f, "({:?}, {:?})", k, v)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1373:9 [INFO] [stdout] | [INFO] [stdout] 1373 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1377:17 [INFO] [stdout] | [INFO] [stdout] 1377 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1379:13 [INFO] [stdout] | [INFO] [stdout] 1379 | try!(write!(f, "({}, {})", k, v)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling stable-skiplist v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1156:9 [INFO] [stdout] | [INFO] [stdout] 1156 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1160:17 [INFO] [stdout] | [INFO] [stdout] 1160 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1162:13 [INFO] [stdout] | [INFO] [stdout] 1162 | try!(write!(f, "{:?}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1171:9 [INFO] [stdout] | [INFO] [stdout] 1171 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1175:17 [INFO] [stdout] | [INFO] [stdout] 1175 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1177:13 [INFO] [stdout] | [INFO] [stdout] 1177 | try!(write!(f, "{}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:847:21 [INFO] [stdout] | [INFO] [stdout] 847 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:922:21 [INFO] [stdout] | [INFO] [stdout] 922 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:1347:17 [INFO] [stdout] | [INFO] [stdout] 1347 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:308:17 [INFO] [stdout] | [INFO] [stdout] 308 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:313:9 [INFO] [stdout] | [INFO] [stdout] 313 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:1255:17 [INFO] [stdout] | [INFO] [stdout] 1255 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:567:21 [INFO] [stdout] | [INFO] [stdout] 567 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:863:21 [INFO] [stdout] | [INFO] [stdout] 863 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:1088:17 [INFO] [stdout] | [INFO] [stdout] 1088 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ordered_skiplist.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | compare: Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ordered_skiplist.rs:81:24 [INFO] [stdout] | [INFO] [stdout] 81 | })) as Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [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/ordered_skiplist.rs:115:24 [INFO] [stdout] | [INFO] [stdout] 115 | })) as Box Ordering>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1415:9 [INFO] [stdout] | [INFO] [stdout] 1415 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1419:17 [INFO] [stdout] | [INFO] [stdout] 1419 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1421:13 [INFO] [stdout] | [INFO] [stdout] 1421 | try!(write!(f, "{:?}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1430:9 [INFO] [stdout] | [INFO] [stdout] 1430 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1434:17 [INFO] [stdout] | [INFO] [stdout] 1434 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/ordered_skiplist.rs:1436:13 [INFO] [stdout] | [INFO] [stdout] 1436 | try!(write!(f, "{}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1356:9 [INFO] [stdout] | [INFO] [stdout] 1356 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1360:17 [INFO] [stdout] | [INFO] [stdout] 1360 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1362:13 [INFO] [stdout] | [INFO] [stdout] 1362 | try!(write!(f, "({:?}, {:?})", k, v)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1373:9 [INFO] [stdout] | [INFO] [stdout] 1373 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1377:17 [INFO] [stdout] | [INFO] [stdout] 1377 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skipmap.rs:1379:13 [INFO] [stdout] | [INFO] [stdout] 1379 | try!(write!(f, "({}, {})", k, v)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1156:9 [INFO] [stdout] | [INFO] [stdout] 1156 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1160:17 [INFO] [stdout] | [INFO] [stdout] 1160 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1162:13 [INFO] [stdout] | [INFO] [stdout] 1162 | try!(write!(f, "{:?}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1171:9 [INFO] [stdout] | [INFO] [stdout] 1171 | try!(write!(f, "[")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1175:17 [INFO] [stdout] | [INFO] [stdout] 1175 | try!(write!(f, ", ")); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/skiplist.rs:1177:13 [INFO] [stdout] | [INFO] [stdout] 1177 | try!(write!(f, "{}", entry)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:236:17 [INFO] [stdout] | [INFO] [stdout] 236 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:241:9 [INFO] [stdout] | [INFO] [stdout] 241 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:847:21 [INFO] [stdout] | [INFO] [stdout] 847 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:922:21 [INFO] [stdout] | [INFO] [stdout] 922 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ordered_skiplist.rs:1347:17 [INFO] [stdout] | [INFO] [stdout] 1347 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:308:17 [INFO] [stdout] | [INFO] [stdout] 308 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:313:9 [INFO] [stdout] | [INFO] [stdout] 313 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skipmap.rs:1255:17 [INFO] [stdout] | [INFO] [stdout] 1255 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | mem::replace(&mut self.head, new_head); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:567:21 [INFO] [stdout] | [INFO] [stdout] 567 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:863:21 [INFO] [stdout] | [INFO] [stdout] 863 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/skiplist.rs:1088:17 [INFO] [stdout] | [INFO] [stdout] 1088 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.59s [INFO] running `Command { std: "docker" "inspect" "5dba33853a669a110afe6f4b508a2d046850527b6b6fa9a3b72f7abb4b67ae2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dba33853a669a110afe6f4b508a2d046850527b6b6fa9a3b72f7abb4b67ae2f", kill_on_drop: false }` [INFO] [stdout] 5dba33853a669a110afe6f4b508a2d046850527b6b6fa9a3b72f7abb4b67ae2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a98e50fb438f3bacf426e5b808621c25594dab7a87eeba54c31570aafbbbefdc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a98e50fb438f3bacf426e5b808621c25594dab7a87eeba54c31570aafbbbefdc", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ordered_skiplist.rs:44:18 [INFO] [stderr] | [INFO] [stderr] 44 | compare: Box Ordering>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ordered_skiplist.rs:81:24 [INFO] [stderr] | [INFO] [stderr] 81 | })) as Box Ordering>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ordered_skiplist.rs:115:24 [INFO] [stderr] | [INFO] [stderr] 115 | })) as Box Ordering>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1415:9 [INFO] [stderr] | [INFO] [stderr] 1415 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1419:17 [INFO] [stderr] | [INFO] [stderr] 1419 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1421:13 [INFO] [stderr] | [INFO] [stderr] 1421 | try!(write!(f, "{:?}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1430:9 [INFO] [stderr] | [INFO] [stderr] 1430 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1434:17 [INFO] [stderr] | [INFO] [stderr] 1434 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1436:13 [INFO] [stderr] | [INFO] [stderr] 1436 | try!(write!(f, "{}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1356:9 [INFO] [stderr] | [INFO] [stderr] 1356 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1360:17 [INFO] [stderr] | [INFO] [stderr] 1360 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1362:13 [INFO] [stderr] | [INFO] [stderr] 1362 | try!(write!(f, "({:?}, {:?})", k, v)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1373:9 [INFO] [stderr] | [INFO] [stderr] 1373 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1377:17 [INFO] [stderr] | [INFO] [stderr] 1377 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1379:13 [INFO] [stderr] | [INFO] [stderr] 1379 | try!(write!(f, "({}, {})", k, v)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1156:9 [INFO] [stderr] | [INFO] [stderr] 1156 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1160:17 [INFO] [stderr] | [INFO] [stderr] 1160 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1162:13 [INFO] [stderr] | [INFO] [stderr] 1162 | try!(write!(f, "{:?}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1171:9 [INFO] [stderr] | [INFO] [stderr] 1171 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1175:17 [INFO] [stderr] | [INFO] [stderr] 1175 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1177:13 [INFO] [stderr] | [INFO] [stderr] 1177 | try!(write!(f, "{}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:236:17 [INFO] [stderr] | [INFO] [stderr] 236 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | mem::replace(&mut self.head, new_head); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:847:21 [INFO] [stderr] | [INFO] [stderr] 847 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:922:21 [INFO] [stderr] | [INFO] [stderr] 922 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:1347:17 [INFO] [stderr] | [INFO] [stderr] 1347 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skipmap.rs:308:17 [INFO] [stderr] | [INFO] [stderr] 308 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skipmap.rs:313:9 [INFO] [stderr] | [INFO] [stderr] 313 | mem::replace(&mut self.head, new_head); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skipmap.rs:1255:17 [INFO] [stderr] | [INFO] [stderr] 1255 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:94:17 [INFO] [stderr] | [INFO] [stderr] 94 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | mem::replace(&mut self.head, new_head); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:567:21 [INFO] [stderr] | [INFO] [stderr] 567 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:863:21 [INFO] [stderr] | [INFO] [stderr] 863 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:1088:17 [INFO] [stderr] | [INFO] [stderr] 1088 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 34 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ordered_skiplist.rs:44:18 [INFO] [stderr] | [INFO] [stderr] 44 | compare: Box Ordering>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ordered_skiplist.rs:81:24 [INFO] [stderr] | [INFO] [stderr] 81 | })) as Box Ordering>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ordered_skiplist.rs:115:24 [INFO] [stderr] | [INFO] [stderr] 115 | })) as Box Ordering>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T) -> Ordering` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1415:9 [INFO] [stderr] | [INFO] [stderr] 1415 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1419:17 [INFO] [stderr] | [INFO] [stderr] 1419 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1421:13 [INFO] [stderr] | [INFO] [stderr] 1421 | try!(write!(f, "{:?}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1430:9 [INFO] [stderr] | [INFO] [stderr] 1430 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1434:17 [INFO] [stderr] | [INFO] [stderr] 1434 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/ordered_skiplist.rs:1436:13 [INFO] [stderr] | [INFO] [stderr] 1436 | try!(write!(f, "{}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1356:9 [INFO] [stderr] | [INFO] [stderr] 1356 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1360:17 [INFO] [stderr] | [INFO] [stderr] 1360 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1362:13 [INFO] [stderr] | [INFO] [stderr] 1362 | try!(write!(f, "({:?}, {:?})", k, v)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1373:9 [INFO] [stderr] | [INFO] [stderr] 1373 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1377:17 [INFO] [stderr] | [INFO] [stderr] 1377 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skipmap.rs:1379:13 [INFO] [stderr] | [INFO] [stderr] 1379 | try!(write!(f, "({}, {})", k, v)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1156:9 [INFO] [stderr] | [INFO] [stderr] 1156 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1160:17 [INFO] [stderr] | [INFO] [stderr] 1160 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1162:13 [INFO] [stderr] | [INFO] [stderr] 1162 | try!(write!(f, "{:?}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1171:9 [INFO] [stderr] | [INFO] [stderr] 1171 | try!(write!(f, "[")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1175:17 [INFO] [stderr] | [INFO] [stderr] 1175 | try!(write!(f, ", ")); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/skiplist.rs:1177:13 [INFO] [stderr] | [INFO] [stderr] 1177 | try!(write!(f, "{}", entry)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:236:17 [INFO] [stderr] | [INFO] [stderr] 236 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | mem::replace(&mut self.head, new_head); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:847:21 [INFO] [stderr] | [INFO] [stderr] 847 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:922:21 [INFO] [stderr] | [INFO] [stderr] 922 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/ordered_skiplist.rs:1347:17 [INFO] [stderr] | [INFO] [stderr] 1347 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skipmap.rs:308:17 [INFO] [stderr] | [INFO] [stderr] 308 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skipmap.rs:313:9 [INFO] [stderr] | [INFO] [stderr] 313 | mem::replace(&mut self.head, new_head); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skipmap.rs:1255:17 [INFO] [stderr] | [INFO] [stderr] 1255 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:94:17 [INFO] [stderr] | [INFO] [stderr] 94 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | mem::replace(&mut self.head, new_head); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:567:21 [INFO] [stderr] | [INFO] [stderr] 567 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:863:21 [INFO] [stderr] | [INFO] [stderr] 863 | mem::replace(&mut (*prev).next, mem::replace(&mut (*node).next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/skiplist.rs:1088:17 [INFO] [stderr] | [INFO] [stderr] 1088 | mem::replace(&mut (*node).next, mem::replace(&mut next.next, None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 34 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stable_skiplist-76e754a0cb5f506f) [INFO] [stdout] [INFO] [stdout] running 36 tests [INFO] [stdout] test ordered_skiplist::tests::basic_small ... ok [INFO] [stdout] test ordered_skiplist::tests::range_small ... ok [INFO] [stdout] test skiplist::tests::basic_small ... ok [INFO] [stdout] test ordered_skiplist::tests::range_1000 ... ok [INFO] [stdout] test ordered_skiplist::tests::index ... ok [INFO] [stdout] test skiplist::tests::index ... ok [INFO] [stdout] test skiplist::tests::iter_rev ... ok [INFO] [stdout] test skiplist::tests::range_1000 ... ok [INFO] [stdout] test skiplist::tests::range_small ... ok [INFO] [stdout] test skiplist::tests::iter ... ok [INFO] [stdout] test ordered_skiplist::tests::pop ... ok [INFO] [stdout] test ordered_skiplist::tests::iter_rev ... ok [INFO] [stdout] test skipmap::tests::basic_small ... ok [INFO] [stdout] test skipmap::tests::index ... ok [INFO] [stdout] test ordered_skiplist::tests::remove_index ... ok [INFO] [stdout] test ordered_skiplist::tests::retain ... ok [INFO] [stdout] test ordered_skiplist::tests::iter ... ok [INFO] [stdout] test skipmap::tests::iter_rev ... ok [INFO] [stdout] test skipmap::tests::iter_mixed ... ok [INFO] [stdout] test skipmap::tests::range_small ... ok [INFO] [stdout] test ordered_skiplist::tests::iter_mixed ... ok [INFO] [stdout] test skiplist::tests::iter_mixed ... ok [INFO] [stdout] test skiplist::tests::pop ... ok [INFO] [stdout] test skipmap::tests::range_1000 ... ok [INFO] [stdout] test skipmap::tests::iter ... ok [INFO] [stdout] test ordered_skiplist::tests::basic_large ... ok [INFO] [stdout] test skiplist::tests::retain ... ok [INFO] [stdout] test skipmap::tests::remove_index ... ok [INFO] [stdout] test skipmap::tests::basic_large ... ok [INFO] [stdout] test skipmap::tests::pop ... ok [INFO] [stdout] test skipmap::tests::range ... ok [INFO] [stdout] test ordered_skiplist::tests::range ... ok [INFO] [stdout] test skiplist::tests::range ... ok [INFO] [stdout] test ordered_skiplist::tests::dedup ... ok [INFO] [stdout] test skiplist::tests::basic_large ... ok [INFO] [stderr] Doc-tests stable-skiplist [INFO] [stdout] test skiplist::tests::dedup ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.44s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 69 tests [INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList::is_empty (line 264) ... FAILED [INFO] [stdout] test src/ordered_skiplist.rs - ordered_skiplist::OrderedSkipList::iter (line 954) ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name stable_skiplist --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-a173634e7b4bfd58.rlib --extern stable_skiplist=/opt/rustwide/target/debug/deps/libstable_skiplist-7d89163da580eeaf.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "a98e50fb438f3bacf426e5b808621c25594dab7a87eeba54c31570aafbbbefdc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a98e50fb438f3bacf426e5b808621c25594dab7a87eeba54c31570aafbbbefdc", kill_on_drop: false }` [INFO] [stdout] a98e50fb438f3bacf426e5b808621c25594dab7a87eeba54c31570aafbbbefdc