[INFO] cloning repository https://github.com/sakikuroe/algorithms-and-data-structures-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sakikuroe/algorithms-and-data-structures-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2Falgorithms-and-data-structures-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2Falgorithms-and-data-structures-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f9977fc6860520fcb1a76fbf7478dfe70feeffaf [INFO] checking sakikuroe/algorithms-and-data-structures-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakikuroe%2Falgorithms-and-data-structures-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sakikuroe/algorithms-and-data-structures-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sakikuroe/algorithms-and-data-structures-rs [INFO] finished tweaking git repo https://github.com/sakikuroe/algorithms-and-data-structures-rs [INFO] tweaked toml for git repo https://github.com/sakikuroe/algorithms-and-data-structures-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sakikuroe/algorithms-and-data-structures-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proconio v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4699c637dd3ecfaaf22555019efe22702fda666073c2a22fa9690833ef4705f9 [INFO] running `Command { std: "docker" "start" "-a" "4699c637dd3ecfaaf22555019efe22702fda666073c2a22fa9690833ef4705f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4699c637dd3ecfaaf22555019efe22702fda666073c2a22fa9690833ef4705f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4699c637dd3ecfaaf22555019efe22702fda666073c2a22fa9690833ef4705f9", kill_on_drop: false }` [INFO] [stdout] 4699c637dd3ecfaaf22555019efe22702fda666073c2a22fa9690833ef4705f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64d9c2192a4325bf2e8cdc3245073a3d7224bf5ddf78d8cbdfc2813ff996ca4e [INFO] running `Command { std: "docker" "start" "-a" "64d9c2192a4325bf2e8cdc3245073a3d7224bf5ddf78d8cbdfc2813ff996ca4e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking proconio v0.4.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling katexit v0.1.2 [INFO] [stderr] Checking algorithms-and-data-structures-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | let mut p = self.parent; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | let mut pp = (*p).parent; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | let mut c; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:166:17 [INFO] [stdout] | [INFO] [stdout] 166 | let mut l_root = (*root).left; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | let mut r_root = root; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:186:17 [INFO] [stdout] | [INFO] [stdout] 186 | let mut l_root = (*root).left; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | let mut r_root = (*root).right; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:203:44 [INFO] [stdout] | [INFO] [stdout] 203 | fn merge(mut l_root: *mut SplayNode, mut r_root: *mut SplayNode) -> *mut SplayNode [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `RunLength` is never used [INFO] [stdout] --> src/algorithms/string/run_length.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait RunLength { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/algorithms/dp/lis_lds.rs:94:32 [INFO] [stdout] | [INFO] [stdout] 94 | 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/algorithms/dp/lis_lds.rs:109:32 [INFO] [stdout] | [INFO] [stdout] 109 | 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: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | let mut p = self.parent; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | let mut pp = (*p).parent; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | let mut c; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:166:17 [INFO] [stdout] | [INFO] [stdout] 166 | let mut l_root = (*root).left; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:167:17 [INFO] [stdout] | [INFO] [stdout] 167 | let mut r_root = root; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:186:17 [INFO] [stdout] | [INFO] [stdout] 186 | let mut l_root = (*root).left; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | let mut r_root = (*root).right; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_structures/splay_bst.rs:203:44 [INFO] [stdout] | [INFO] [stdout] 203 | fn merge(mut l_root: *mut SplayNode, mut r_root: *mut SplayNode) -> *mut SplayNode [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `RunLength` is never used [INFO] [stdout] --> src/algorithms/string/run_length.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait RunLength { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/algorithms/dp/lis_lds.rs:94:32 [INFO] [stdout] | [INFO] [stdout] 94 | 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/algorithms/dp/lis_lds.rs:109:32 [INFO] [stdout] | [INFO] [stdout] 109 | 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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s [INFO] running `Command { std: "docker" "inspect" "64d9c2192a4325bf2e8cdc3245073a3d7224bf5ddf78d8cbdfc2813ff996ca4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64d9c2192a4325bf2e8cdc3245073a3d7224bf5ddf78d8cbdfc2813ff996ca4e", kill_on_drop: false }` [INFO] [stdout] 64d9c2192a4325bf2e8cdc3245073a3d7224bf5ddf78d8cbdfc2813ff996ca4e