[INFO] cloning repository https://github.com/sakikuroe/Longest-increasing-subsequence-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sakikuroe/Longest-increasing-subsequence-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2FLongest-increasing-subsequence-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2FLongest-increasing-subsequence-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 306636f58592562518f8f8dbc26ef2141076a966 [INFO] checking sakikuroe/Longest-increasing-subsequence-Rust against master#9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a for pr-138458 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2FLongest-increasing-subsequence-Rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sakikuroe/Longest-increasing-subsequence-Rust on toolchain 9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sakikuroe/Longest-increasing-subsequence-Rust [INFO] finished tweaking git repo https://github.com/sakikuroe/Longest-increasing-subsequence-Rust [INFO] tweaked toml for git repo https://github.com/sakikuroe/Longest-increasing-subsequence-Rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sakikuroe/Longest-increasing-subsequence-Rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ed82d2acf595c78320cc0fbe0bfb35567b2a115041a168dbab3ad926752e9a3 [INFO] running `Command { std: "docker" "start" "-a" "5ed82d2acf595c78320cc0fbe0bfb35567b2a115041a168dbab3ad926752e9a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ed82d2acf595c78320cc0fbe0bfb35567b2a115041a168dbab3ad926752e9a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ed82d2acf595c78320cc0fbe0bfb35567b2a115041a168dbab3ad926752e9a3", kill_on_drop: false }` [INFO] [stdout] 5ed82d2acf595c78320cc0fbe0bfb35567b2a115041a168dbab3ad926752e9a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1acdee2b021ba116ba6f8f158359f3198139abded414603cd9c9c9401c67bd88 [INFO] running `Command { std: "docker" "start" "-a" "1acdee2b021ba116ba6f8f158359f3198139abded414603cd9c9c9401c67bd88", kill_on_drop: false }` [INFO] [stderr] Checking longest_increasing_subsequence_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/longest_decreasing_subsequence.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | let mut temp = self.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[T]` does not implement `Clone`, so calling `clone` on `&[T]` 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/longest_decreasing_subsequence.rs:29:32 [INFO] [stdout] | [INFO] [stdout] 29 | let mut temp = self.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[T]` does not implement `Clone`, so calling `clone` on `&[T]` 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/longest_decreasing_subsequence.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | let mut temp = self.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[T]` does not implement `Clone`, so calling `clone` on `&[T]` 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/longest_decreasing_subsequence.rs:29:32 [INFO] [stdout] | [INFO] [stdout] 29 | let mut temp = self.clone().to_vec(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[T]` does not implement `Clone`, so calling `clone` on `&[T]` 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 0.19s [INFO] running `Command { std: "docker" "inspect" "1acdee2b021ba116ba6f8f158359f3198139abded414603cd9c9c9401c67bd88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1acdee2b021ba116ba6f8f158359f3198139abded414603cd9c9c9401c67bd88", kill_on_drop: false }` [INFO] [stdout] 1acdee2b021ba116ba6f8f158359f3198139abded414603cd9c9c9401c67bd88