[INFO] fetching crate hamt 0.2.0... [INFO] building hamt-0.2.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate hamt 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate hamt 0.2.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hamt 0.2.0 [INFO] finished tweaking crates.io crate hamt 0.2.0 [INFO] tweaked toml for crates.io crate hamt 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 40 packages to latest compatible versions [INFO] [stderr] Adding quickcheck v0.2.27 (available: v1.0.3) [INFO] [stderr] Adding rand v0.3.23 (available: v0.8.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83e7930918cc8d351ab8c5be0ad59357e43cd523a73d49641def3a48305c4526 [INFO] running `Command { std: "docker" "start" "-a" "83e7930918cc8d351ab8c5be0ad59357e43cd523a73d49641def3a48305c4526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83e7930918cc8d351ab8c5be0ad59357e43cd523a73d49641def3a48305c4526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83e7930918cc8d351ab8c5be0ad59357e43cd523a73d49641def3a48305c4526", kill_on_drop: false }` [INFO] [stdout] 83e7930918cc8d351ab8c5be0ad59357e43cd523a73d49641def3a48305c4526 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1a2822a919acb8fa7eacf654b5964b1c27c0d78a8770f4eb5a06e415e9bdb86 [INFO] running `Command { std: "docker" "start" "-a" "b1a2822a919acb8fa7eacf654b5964b1c27c0d78a8770f4eb5a06e415e9bdb86", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling hamt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | use std::hash::SipHasher; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:390:22 [INFO] [stdout] | [INFO] [stdout] 390 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:446:22 [INFO] [stdout] | [INFO] [stdout] 446 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:500:22 [INFO] [stdout] | [INFO] [stdout] 500 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:599:22 [INFO] [stdout] | [INFO] [stdout] 599 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:390:33 [INFO] [stdout] | [INFO] [stdout] 390 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:446:33 [INFO] [stdout] | [INFO] [stdout] 446 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:500:33 [INFO] [stdout] | [INFO] [stdout] 500 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:599:33 [INFO] [stdout] | [INFO] [stdout] 599 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:308:30 [INFO] [stdout] | [INFO] [stdout] 308 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:321:30 [INFO] [stdout] | [INFO] [stdout] 321 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:331:30 [INFO] [stdout] | [INFO] [stdout] 331 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "b1a2822a919acb8fa7eacf654b5964b1c27c0d78a8770f4eb5a06e415e9bdb86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1a2822a919acb8fa7eacf654b5964b1c27c0d78a8770f4eb5a06e415e9bdb86", kill_on_drop: false }` [INFO] [stdout] b1a2822a919acb8fa7eacf654b5964b1c27c0d78a8770f4eb5a06e415e9bdb86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0570beed4e60b6740e992f05dbe7e92d4ee82be471d5b18d53e1eff49245ef77 [INFO] running `Command { std: "docker" "start" "-a" "0570beed4e60b6740e992f05dbe7e92d4ee82be471d5b18d53e1eff49245ef77", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | use std::hash::SipHasher; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:390:22 [INFO] [stdout] | [INFO] [stdout] 390 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:446:22 [INFO] [stdout] | [INFO] [stdout] 446 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:500:22 [INFO] [stdout] | [INFO] [stdout] 500 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:599:22 [INFO] [stdout] | [INFO] [stdout] 599 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:390:33 [INFO] [stdout] | [INFO] [stdout] 390 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:446:33 [INFO] [stdout] | [INFO] [stdout] 446 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:500:33 [INFO] [stdout] | [INFO] [stdout] 500 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:599:33 [INFO] [stdout] | [INFO] [stdout] 599 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:308:30 [INFO] [stdout] | [INFO] [stdout] 308 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:321:30 [INFO] [stdout] | [INFO] [stdout] 321 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:331:30 [INFO] [stdout] | [INFO] [stdout] 331 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling quickcheck v0.2.27 [INFO] [stderr] Compiling hamt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | use std::hash::SipHasher; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:390:22 [INFO] [stdout] | [INFO] [stdout] 390 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:446:22 [INFO] [stdout] | [INFO] [stdout] 446 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:500:22 [INFO] [stdout] | [INFO] [stdout] 500 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:599:22 [INFO] [stdout] | [INFO] [stdout] 599 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:390:33 [INFO] [stdout] | [INFO] [stdout] 390 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:446:33 [INFO] [stdout] | [INFO] [stdout] 446 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:500:33 [INFO] [stdout] | [INFO] [stdout] 500 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::hash::DefaultHasher` instead [INFO] [stdout] --> src/lib.rs:599:33 [INFO] [stdout] | [INFO] [stdout] 599 | let mut sh = SipHasher::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:308:30 [INFO] [stdout] | [INFO] [stdout] 308 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:321:30 [INFO] [stdout] | [INFO] [stdout] 321 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/lib.rs:331:30 [INFO] [stdout] | [INFO] [stdout] 331 | let mut vs_prime = vs.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[(K, V)]` does not implement `Clone`, so calling `clone` on `&[(K, V)]` copies the reference, which does not do anything and can be removed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.12s [INFO] running `Command { std: "docker" "inspect" "0570beed4e60b6740e992f05dbe7e92d4ee82be471d5b18d53e1eff49245ef77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0570beed4e60b6740e992f05dbe7e92d4ee82be471d5b18d53e1eff49245ef77", kill_on_drop: false }` [INFO] [stdout] 0570beed4e60b6740e992f05dbe7e92d4ee82be471d5b18d53e1eff49245ef77