[INFO] cloning repository https://github.com/xanahopper/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xanahopper/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9c9945418d5eb4cacc7e8b61ea78531c563269c1 [INFO] checking xanahopper/leetcode against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xanahopper/leetcode on toolchain 3e826bb11228508fbe749e594038d6727208aa94 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xanahopper/leetcode [INFO] finished tweaking git repo https://github.com/xanahopper/leetcode [INFO] tweaked toml for git repo https://github.com/xanahopper/leetcode written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/xanahopper/leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0861d209c8177b98a68727aa0f26c9e57f24e433e0917246394fba9baf5d05e4 [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" "0861d209c8177b98a68727aa0f26c9e57f24e433e0917246394fba9baf5d05e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0861d209c8177b98a68727aa0f26c9e57f24e433e0917246394fba9baf5d05e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0861d209c8177b98a68727aa0f26c9e57f24e433e0917246394fba9baf5d05e4", kill_on_drop: false }` [INFO] [stdout] 0861d209c8177b98a68727aa0f26c9e57f24e433e0917246394fba9baf5d05e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b4b694b1e92eb82ba11c90c2300aa845d49e902b561eb87b2d086a2b8d62869 [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" "0b4b694b1e92eb82ba11c90c2300aa845d49e902b561eb87b2d086a2b8d62869", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling leetcode_test v0.1.1 [INFO] [stderr] Checking leetcode_prelude v0.2.2 [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_5.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn longest_palindrome(s: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_13.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/algorithm/kmp.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | fn index_of(&self, pattern: &String) -> Option { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_5.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn longest_palindrome(s: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/leetcode/editor/cn/solution_13.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn roman_to_int(s: String) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/algorithm/kmp.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | fn index_of(&self, pattern: &String) -> Option { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut len: i32 = row.len() as i32; [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/leetcode/editor/cn/solution_765.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut fx = self.find(x) as usize; [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/leetcode/editor/cn/solution_765.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut fy = self.find(y) as usize; [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/leetcode/editor/cn/solution_354.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn max_envelopes(mut envelopes: Vec>) -> i32 { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumMatrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/editor/cn/solution_765.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut len: i32 = row.len() as i32; [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/leetcode/editor/cn/solution_765.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut fx = self.find(x) as usize; [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/leetcode/editor/cn/solution_765.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let mut fy = self.find(y) as usize; [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/leetcode/editor/cn/solution_354.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn max_envelopes(mut envelopes: Vec>) -> i32 { [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: struct is never constructed: `NumMatrix` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | struct NumMatrix { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn new(matrix: Vec>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum_region` [INFO] [stdout] --> src/leetcode/editor/cn/solution_304.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | fn sum_region(&self, row1: i32, col1: i32, row2: i32, col2: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.96s [INFO] running `Command { std: "docker" "inspect" "0b4b694b1e92eb82ba11c90c2300aa845d49e902b561eb87b2d086a2b8d62869", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b4b694b1e92eb82ba11c90c2300aa845d49e902b561eb87b2d086a2b8d62869", kill_on_drop: false }` [INFO] [stdout] 0b4b694b1e92eb82ba11c90c2300aa845d49e902b561eb87b2d086a2b8d62869