[INFO] cloning repository https://github.com/VtheSaint/Leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VtheSaint/Leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVtheSaint%2FLeetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVtheSaint%2FLeetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8fdca94dee48c3e8579c87d1ace05d6e4c37daa [INFO] testing VtheSaint/Leetcode against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVtheSaint%2FLeetcode" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/VtheSaint/Leetcode [INFO] finished tweaking git repo https://github.com/VtheSaint/Leetcode [INFO] tweaked toml for git repo https://github.com/VtheSaint/Leetcode written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/VtheSaint/Leetcode on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/VtheSaint/Leetcode 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6614312d0d5d927e82fbe93f21b2c8d809257e21ec7bd6c50321f26a1b60bba9 [INFO] running `Command { std: "docker" "start" "-a" "6614312d0d5d927e82fbe93f21b2c8d809257e21ec7bd6c50321f26a1b60bba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6614312d0d5d927e82fbe93f21b2c8d809257e21ec7bd6c50321f26a1b60bba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6614312d0d5d927e82fbe93f21b2c8d809257e21ec7bd6c50321f26a1b60bba9", kill_on_drop: false }` [INFO] [stdout] 6614312d0d5d927e82fbe93f21b2c8d809257e21ec7bd6c50321f26a1b60bba9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6aafe304cfa30fc6b52040dd82405f23d6301fc0d938f202eac83be9a5e1e65b [INFO] running `Command { std: "docker" "start" "-a" "6aafe304cfa30fc6b52040dd82405f23d6301fc0d938f202eac83be9a5e1e65b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling Leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:166:39 [INFO] [stdout] | [INFO] [stdout] 166 | let t: &usize = hash.get((&s[x])).unwrap(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 166 - let t: &usize = hash.get((&s[x])).unwrap(); [INFO] [stdout] 166 + let t: &usize = hash.get(&s[x]).unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_done` is never read [INFO] [stdout] --> src/main.rs:545:17 [INFO] [stdout] | [INFO] [stdout] 545 | let mut is_done = false; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:636:9 [INFO] [stdout] | [INFO] [stdout] 636 | let result = 0; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:657:9 [INFO] [stdout] | [INFO] [stdout] 657 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current` is never read [INFO] [stdout] --> src/main.rs:921:13 [INFO] [stdout] | [INFO] [stdout] 921 | current = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:56:41 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn contains_nearby_almost_duplicate(mut nums: Vec, mut index_diff: i32, value_diff: i32) -> bool { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `counter` is assigned to, but never used [INFO] [stdout] --> src/main.rs:382:13 [INFO] [stdout] | [INFO] [stdout] 382 | let mut counter: i32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_counter` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/main.rs:428:13 [INFO] [stdout] | [INFO] [stdout] 428 | found = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:339:9 [INFO] [stdout] | [INFO] [stdout] 339 | let mut index = 2; [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/main.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | let mut max_num = max(nums[0], nums[1]); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `vertical_step` is never read [INFO] [stdout] --> src/main.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | let mut vertical_step: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/main.rs:285:37 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn four_sum(mut nums: Vec, target: i32) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | let mut arr: Vec> = vec![Vec::new()]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RandomizedSet` is never constructed [INFO] [stdout] --> src/main.rs:855:8 [INFO] [stdout] | [INFO] [stdout] 855 | struct RandomizedSet { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, `remove`, and `get_random` are never used [INFO] [stdout] --> src/main.rs:868:8 [INFO] [stdout] | [INFO] [stdout] 866 | impl RandomizedSet { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 867 | [INFO] [stdout] 868 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 875 | fn insert(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 879 | fn remove(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 883 | fn get_random(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:209:16 [INFO] [stdout] | [INFO] [stdout] 209 | if vertical_step -2 < 0 { vertical_step = 0} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `Command { std: "docker" "inspect" "6aafe304cfa30fc6b52040dd82405f23d6301fc0d938f202eac83be9a5e1e65b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aafe304cfa30fc6b52040dd82405f23d6301fc0d938f202eac83be9a5e1e65b", kill_on_drop: false }` [INFO] [stdout] 6aafe304cfa30fc6b52040dd82405f23d6301fc0d938f202eac83be9a5e1e65b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a16b60e740ef009546fd107393e771b946b4f5e946ae7d1dcc95d8fbea83bfb [INFO] running `Command { std: "docker" "start" "-a" "6a16b60e740ef009546fd107393e771b946b4f5e946ae7d1dcc95d8fbea83bfb", kill_on_drop: false }` [INFO] [stderr] Compiling Leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:166:39 [INFO] [stdout] | [INFO] [stdout] 166 | let t: &usize = hash.get((&s[x])).unwrap(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 166 - let t: &usize = hash.get((&s[x])).unwrap(); [INFO] [stdout] 166 + let t: &usize = hash.get(&s[x]).unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `is_done` is never read [INFO] [stdout] --> src/main.rs:545:17 [INFO] [stdout] | [INFO] [stdout] 545 | let mut is_done = false; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:636:9 [INFO] [stdout] | [INFO] [stdout] 636 | let result = 0; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:657:9 [INFO] [stdout] | [INFO] [stdout] 657 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:56:41 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn contains_nearby_almost_duplicate(mut nums: Vec, mut index_diff: i32, value_diff: i32) -> bool { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/main.rs:285:37 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn four_sum(mut nums: Vec, target: i32) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | let mut arr: Vec> = vec![Vec::new()]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `counter` is assigned to, but never used [INFO] [stdout] --> src/main.rs:382:13 [INFO] [stdout] | [INFO] [stdout] 382 | let mut counter: i32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_counter` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `found` is never read [INFO] [stdout] --> src/main.rs:428:13 [INFO] [stdout] | [INFO] [stdout] 428 | found = true; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current` is never read [INFO] [stdout] --> src/main.rs:921:13 [INFO] [stdout] | [INFO] [stdout] 921 | current = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:339:9 [INFO] [stdout] | [INFO] [stdout] 339 | let mut index = 2; [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/main.rs:343:9 [INFO] [stdout] | [INFO] [stdout] 343 | let mut max_num = max(nums[0], nums[1]); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `vertical_step` is never read [INFO] [stdout] --> src/main.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | let mut vertical_step: usize = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RandomizedSet` is never constructed [INFO] [stdout] --> src/main.rs:855:8 [INFO] [stdout] | [INFO] [stdout] 855 | struct RandomizedSet { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `insert`, `remove`, and `get_random` are never used [INFO] [stdout] --> src/main.rs:868:8 [INFO] [stdout] | [INFO] [stdout] 866 | impl RandomizedSet { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 867 | [INFO] [stdout] 868 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 875 | fn insert(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 879 | fn remove(&mut self, val: i32) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 883 | fn get_random(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/main.rs:209:16 [INFO] [stdout] | [INFO] [stdout] 209 | if vertical_step -2 < 0 { vertical_step = 0} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "6a16b60e740ef009546fd107393e771b946b4f5e946ae7d1dcc95d8fbea83bfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a16b60e740ef009546fd107393e771b946b4f5e946ae7d1dcc95d8fbea83bfb", kill_on_drop: false }` [INFO] [stdout] 6a16b60e740ef009546fd107393e771b946b4f5e946ae7d1dcc95d8fbea83bfb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d4731c21ffa3cb022de2bcb7b6e901cda9aa8292470bbb62ad88edfcc549073b [INFO] running `Command { std: "docker" "start" "-a" "d4731c21ffa3cb022de2bcb7b6e901cda9aa8292470bbb62ad88edfcc549073b", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:166:39 [INFO] [stderr] | [INFO] [stderr] 166 | let t: &usize = hash.get((&s[x])).unwrap(); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 166 - let t: &usize = hash.get((&s[x])).unwrap(); [INFO] [stderr] 166 + let t: &usize = hash.get(&s[x]).unwrap(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: value assigned to `is_done` is never read [INFO] [stderr] --> src/main.rs:545:17 [INFO] [stderr] | [INFO] [stderr] 545 | let mut is_done = false; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:636:9 [INFO] [stderr] | [INFO] [stderr] 636 | let result = 0; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:657:9 [INFO] [stderr] | [INFO] [stderr] 657 | for i in 0..k { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:56:41 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn contains_nearby_almost_duplicate(mut nums: Vec, mut index_diff: i32, value_diff: i32) -> bool { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `target` [INFO] [stderr] --> src/main.rs:285:37 [INFO] [stderr] | [INFO] [stderr] 285 | pub fn four_sum(mut nums: Vec, target: i32) -> Vec> { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:287:9 [INFO] [stderr] | [INFO] [stderr] 287 | let mut arr: Vec> = vec![Vec::new()]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `counter` is assigned to, but never used [INFO] [stderr] --> src/main.rs:382:13 [INFO] [stderr] | [INFO] [stderr] 382 | let mut counter: i32 = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_counter` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `found` is never read [INFO] [stderr] --> src/main.rs:428:13 [INFO] [stderr] | [INFO] [stderr] 428 | found = true; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `current` is never read [INFO] [stderr] --> src/main.rs:921:13 [INFO] [stderr] | [INFO] [stderr] 921 | current = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:339:9 [INFO] [stderr] | [INFO] [stderr] 339 | let mut index = 2; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:343:9 [INFO] [stderr] | [INFO] [stderr] 343 | let mut max_num = max(nums[0], nums[1]); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `vertical_step` is never read [INFO] [stderr] --> src/main.rs:188:13 [INFO] [stderr] | [INFO] [stderr] 188 | let mut vertical_step: usize = 0; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: struct `RandomizedSet` is never constructed [INFO] [stderr] --> src/main.rs:855:8 [INFO] [stderr] | [INFO] [stderr] 855 | struct RandomizedSet { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `insert`, `remove`, and `get_random` are never used [INFO] [stderr] --> src/main.rs:868:8 [INFO] [stderr] | [INFO] [stderr] 866 | impl RandomizedSet { [INFO] [stderr] | ------------------ associated items in this implementation [INFO] [stderr] 867 | [INFO] [stderr] 868 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 875 | fn insert(&mut self, val: i32) -> bool { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 879 | fn remove(&mut self, val: i32) -> bool { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 883 | fn get_random(&self) -> i32 { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/main.rs:209:16 [INFO] [stderr] | [INFO] [stderr] 209 | if vertical_step -2 < 0 { vertical_step = 0} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `Leetcode` (bin "Leetcode" test) generated 16 warnings (run `cargo fix --bin "Leetcode" --tests` to apply 5 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Leetcode-ab599ebb35f564e0) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d4731c21ffa3cb022de2bcb7b6e901cda9aa8292470bbb62ad88edfcc549073b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4731c21ffa3cb022de2bcb7b6e901cda9aa8292470bbb62ad88edfcc549073b", kill_on_drop: false }` [INFO] [stdout] d4731c21ffa3cb022de2bcb7b6e901cda9aa8292470bbb62ad88edfcc549073b