[INFO] updating cached repository https://github.com/chux0519/leetcode-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8814290fe1967f9f77e673e9150d89265666e170 [INFO] testing chux0519/leetcode-rust against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchux0519%2Fleetcode-rust" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chux0519/leetcode-rust on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/chux0519/leetcode-rust [INFO] finished tweaking git repo https://github.com/chux0519/leetcode-rust [INFO] tweaked toml for git repo https://github.com/chux0519/leetcode-rust written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/chux0519/leetcode-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 016dd0e086c6bf20920105bebd73182dbda3b86ae4b6cd441ec1383948ad2dea [INFO] running `"docker" "start" "-a" "016dd0e086c6bf20920105bebd73182dbda3b86ae4b6cd441ec1383948ad2dea"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q042_trapping_rain_water.rs:27:22 [INFO] [stderr] | [INFO] [stderr] 27 | water += (std::cmp::min(left[i], right[i]) - height[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q1052_grumpy_bookstore_owner.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += (if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] | __________________________^ [INFO] [stderr] 24 | | customers[p + offset] [INFO] [stderr] 25 | | } else { [INFO] [stderr] 26 | | 0 [INFO] [stderr] 27 | | }); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] 24 | customers[p + offset] [INFO] [stderr] 25 | } else { [INFO] [stderr] 26 | 0 [INFO] [stderr] 27 | }; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> src/q110_balanced_binary_tree.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev` is never read [INFO] [stderr] --> src/q025_reverse_nodes_in_k_group.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | let mut prev = None::>; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pos_2` is never read [INFO] [stderr] --> src/q043_multiply_strings.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut pos_2 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut top_left = (0, 0); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut top_right = (0, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut bottom_left = (n - 1, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bottom_right = (n - 1, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut tmp = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/q048_rotate_image.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | for i in c..n - 1 - c { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_a` is never read [INFO] [stderr] --> src/q067_add_binary.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bit_a = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_b` is never read [INFO] [stderr] --> src/q067_add_binary.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut bit_b = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sum` is never read [INFO] [stderr] --> src/q067_add_binary.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut sum = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/q101_symmetric_tree.rs:68:22 [INFO] [stderr] | [INFO] [stderr] 68 | Some(r) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `num` is never read [INFO] [stderr] --> src/q1048_longest_string_chain.rs:17:21 [INFO] [stderr] | [INFO] [stderr] 17 | let mut num = 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/q067_add_binary.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut n = std::cmp::max(a.len(), b.len()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `toString` should have a snake case name [INFO] [stderr] --> src/q1048_longest_string_chain.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn toString(str: &[u8]) -> String { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `to_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `"docker" "inspect" "016dd0e086c6bf20920105bebd73182dbda3b86ae4b6cd441ec1383948ad2dea"` [INFO] running `"docker" "rm" "-f" "016dd0e086c6bf20920105bebd73182dbda3b86ae4b6cd441ec1383948ad2dea"` [INFO] [stdout] 016dd0e086c6bf20920105bebd73182dbda3b86ae4b6cd441ec1383948ad2dea [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9d81f9f2f7adcbb50c944ed1e55f4470a620e9a4833760fab34d62e57561e150 [INFO] running `"docker" "start" "-a" "9d81f9f2f7adcbb50c944ed1e55f4470a620e9a4833760fab34d62e57561e150"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q042_trapping_rain_water.rs:27:22 [INFO] [stderr] | [INFO] [stderr] 27 | water += (std::cmp::min(left[i], right[i]) - height[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q1052_grumpy_bookstore_owner.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += (if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] | __________________________^ [INFO] [stderr] 24 | | customers[p + offset] [INFO] [stderr] 25 | | } else { [INFO] [stderr] 26 | | 0 [INFO] [stderr] 27 | | }); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] 24 | customers[p + offset] [INFO] [stderr] 25 | } else { [INFO] [stderr] 26 | 0 [INFO] [stderr] 27 | }; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> src/q110_balanced_binary_tree.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev` is never read [INFO] [stderr] --> src/q025_reverse_nodes_in_k_group.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | let mut prev = None::>; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pos_2` is never read [INFO] [stderr] --> src/q043_multiply_strings.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut pos_2 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut top_left = (0, 0); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut top_right = (0, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut bottom_left = (n - 1, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bottom_right = (n - 1, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut tmp = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/q048_rotate_image.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | for i in c..n - 1 - c { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_a` is never read [INFO] [stderr] --> src/q067_add_binary.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bit_a = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_b` is never read [INFO] [stderr] --> src/q067_add_binary.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut bit_b = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sum` is never read [INFO] [stderr] --> src/q067_add_binary.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut sum = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/q101_symmetric_tree.rs:68:22 [INFO] [stderr] | [INFO] [stderr] 68 | Some(r) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `num` is never read [INFO] [stderr] --> src/q1048_longest_string_chain.rs:17:21 [INFO] [stderr] | [INFO] [stderr] 17 | let mut num = 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/q067_add_binary.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut n = std::cmp::max(a.len(), b.len()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `toString` should have a snake case name [INFO] [stderr] --> src/q1048_longest_string_chain.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn toString(str: &[u8]) -> String { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `to_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q042_trapping_rain_water.rs:27:22 [INFO] [stderr] | [INFO] [stderr] 27 | water += (std::cmp::min(left[i], right[i]) - height[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q1052_grumpy_bookstore_owner.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += (if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] | __________________________^ [INFO] [stderr] 24 | | customers[p + offset] [INFO] [stderr] 25 | | } else { [INFO] [stderr] 26 | | 0 [INFO] [stderr] 27 | | }); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] 24 | customers[p + offset] [INFO] [stderr] 25 | } else { [INFO] [stderr] 26 | 0 [INFO] [stderr] 27 | }; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Solution` [INFO] [stderr] --> src/q1054_distant_barcodes.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | use super::Solution; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> src/q110_balanced_binary_tree.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev` is never read [INFO] [stderr] --> src/q025_reverse_nodes_in_k_group.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | let mut prev = None::>; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pos_2` is never read [INFO] [stderr] --> src/q043_multiply_strings.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut pos_2 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut top_left = (0, 0); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut top_right = (0, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut bottom_left = (n - 1, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bottom_right = (n - 1, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut tmp = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/q048_rotate_image.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | for i in c..n - 1 - c { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_a` is never read [INFO] [stderr] --> src/q067_add_binary.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bit_a = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_b` is never read [INFO] [stderr] --> src/q067_add_binary.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut bit_b = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sum` is never read [INFO] [stderr] --> src/q067_add_binary.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut sum = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/q101_symmetric_tree.rs:68:22 [INFO] [stderr] | [INFO] [stderr] 68 | Some(r) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `num` is never read [INFO] [stderr] --> src/q1048_longest_string_chain.rs:17:21 [INFO] [stderr] | [INFO] [stderr] 17 | let mut num = 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/q067_add_binary.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut n = std::cmp::max(a.len(), b.len()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `toString` should have a snake case name [INFO] [stderr] --> src/q1048_longest_string_chain.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn toString(str: &[u8]) -> String { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `to_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 19 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.50s [INFO] running `"docker" "inspect" "9d81f9f2f7adcbb50c944ed1e55f4470a620e9a4833760fab34d62e57561e150"` [INFO] running `"docker" "rm" "-f" "9d81f9f2f7adcbb50c944ed1e55f4470a620e9a4833760fab34d62e57561e150"` [INFO] [stdout] 9d81f9f2f7adcbb50c944ed1e55f4470a620e9a4833760fab34d62e57561e150 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dca8a1ac65a7d3c8787d6d1a05ab7eee4fbb9aad53d875a63987c8b57f3ae46d [INFO] running `"docker" "start" "-a" "dca8a1ac65a7d3c8787d6d1a05ab7eee4fbb9aad53d875a63987c8b57f3ae46d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q042_trapping_rain_water.rs:27:22 [INFO] [stderr] | [INFO] [stderr] 27 | water += (std::cmp::min(left[i], right[i]) - height[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q1052_grumpy_bookstore_owner.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += (if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] | __________________________^ [INFO] [stderr] 24 | | customers[p + offset] [INFO] [stderr] 25 | | } else { [INFO] [stderr] 26 | | 0 [INFO] [stderr] 27 | | }); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] 24 | customers[p + offset] [INFO] [stderr] 25 | } else { [INFO] [stderr] 26 | 0 [INFO] [stderr] 27 | }; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::Solution` [INFO] [stderr] --> src/q1054_distant_barcodes.rs:73:9 [INFO] [stderr] | [INFO] [stderr] 73 | use super::Solution; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> src/q110_balanced_binary_tree.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev` is never read [INFO] [stderr] --> src/q025_reverse_nodes_in_k_group.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | let mut prev = None::>; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pos_2` is never read [INFO] [stderr] --> src/q043_multiply_strings.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut pos_2 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut top_left = (0, 0); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut top_right = (0, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let mut bottom_left = (n - 1, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bottom_right = (n - 1, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut tmp = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/q048_rotate_image.rs:22:17 [INFO] [stderr] | [INFO] [stderr] 22 | for i in c..n - 1 - c { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_a` is never read [INFO] [stderr] --> src/q067_add_binary.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bit_a = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q042_trapping_rain_water.rs:27:22 [INFO] [stderr] | [INFO] [stderr] 27 | water += (std::cmp::min(left[i], right[i]) - height[i]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_b` is never read [INFO] [stderr] --> src/q067_add_binary.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut bit_b = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sum` is never read [INFO] [stderr] --> src/q067_add_binary.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut sum = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/q1052_grumpy_bookstore_owner.rs:23:26 [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += (if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] | __________________________^ [INFO] [stderr] 24 | | customers[p + offset] [INFO] [stderr] 25 | | } else { [INFO] [stderr] 26 | | 0 [INFO] [stderr] 27 | | }); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 23 | sum_x += if (p + offset < len) && grumpy[p + offset] == 1 { [INFO] [stderr] 24 | customers[p + offset] [INFO] [stderr] 25 | } else { [INFO] [stderr] 26 | 0 [INFO] [stderr] 27 | }; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/q101_symmetric_tree.rs:68:22 [INFO] [stderr] | [INFO] [stderr] 68 | Some(r) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `num` is never read [INFO] [stderr] --> src/q1048_longest_string_chain.rs:17:21 [INFO] [stderr] | [INFO] [stderr] 17 | let mut num = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> src/q110_balanced_binary_tree.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/q067_add_binary.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut n = std::cmp::max(a.len(), b.len()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `toString` should have a snake case name [INFO] [stderr] --> src/q1048_longest_string_chain.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn toString(str: &[u8]) -> String { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `to_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev` is never read [INFO] [stderr] --> src/q025_reverse_nodes_in_k_group.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | let mut prev = None::>; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 19 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `pos_2` is never read [INFO] [stderr] --> src/q043_multiply_strings.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut pos_2 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_left` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:9:13 [INFO] [stderr] | [INFO] [stderr] 9 | let mut top_left = (0, 0); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `top_right` is never read [INFO] [stderr] --> src/q048_rotate_image.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut top_right = (0, n - 1); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bottom_left` is never read [INFO] [stdout] [INFO] [stderr] --> src/q048_rotate_image.rs:11:13 [INFO] [stdout] running 67 tests [INFO] [stderr] | [INFO] [stdout] test q032_longest_valid_parentheses::tests::q032 ... ok [INFO] [stderr] 11 | let mut bottom_left = (n - 1, 0); [INFO] [stdout] test q031_next_permutation::tests::q031 ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stdout] test q028_implement_strstr::tests::q028 ... ok [INFO] [stderr] | [INFO] [stdout] test q025_reverse_nodes_in_k_group::tests::q025 ... ok [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stdout] test q033_search_in_rotated_sorted_array::tests::q033 ... ok [INFO] [stderr] [INFO] [stdout] test q023_merge_k_lists::tests::q023_merge_two ... ok [INFO] [stderr] warning: value assigned to `bottom_right` is never read [INFO] [stdout] test q036_valid_sudoku::tests::q036 ... ok [INFO] [stderr] --> src/q048_rotate_image.rs:12:13 [INFO] [stdout] test q034_find_first_and_last_position_of_element_in_sorted_array::tests::q034 ... ok [INFO] [stderr] | [INFO] [stdout] test q035_search_insert_position::tests::q035 ... ok [INFO] [stderr] 12 | let mut bottom_right = (n - 1, n - 1); [INFO] [stdout] test q041_first_missing_positive::tests::q041 ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] test q046_permutations::tests::q046 ... ok [INFO] [stderr] | [INFO] [stdout] test q029_divide_two_integers::tests::q029 ... ok [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stdout] test q043_multiply_strings::tests::q048 ... ok [INFO] [stderr] [INFO] [stdout] test q047_permutations_ii::tests::q047 ... ok [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stdout] test q023_merge_k_lists::tests::q023 ... ok [INFO] [stderr] --> src/q048_rotate_image.rs:14:13 [INFO] [stdout] test q048_rotate_image::tests::q048 ... ok [INFO] [stderr] | [INFO] [stdout] test q058_length_of_last_word::tests::q058 ... ok [INFO] [stderr] 14 | let mut tmp = 0; [INFO] [stdout] test q053_maximum_subarray::tests::q053 ... ok [INFO] [stderr] | ^^^^^^^ [INFO] [stdout] test q067_add_binary::tests::q067 ... ok [INFO] [stderr] | [INFO] [stdout] test q070_climbing_stairs::tests::q070 ... ok [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stdout] test q088_merge_sorted_array::tests::q088 ... ok [INFO] [stderr] [INFO] [stdout] test q100_same_tree::tests::q100 ... ok [INFO] [stderr] warning: unused variable: `i` [INFO] [stdout] test q101_symmetric_tree::tests::q101 ... ok [INFO] [stderr] --> src/q048_rotate_image.rs:22:17 [INFO] [stdout] test q102_binary_tree_level_order_traversal::tests::q102 ... ok [INFO] [stderr] | [INFO] [stdout] test q1033_moving_stones_until_consecutive::tests::q1033 ... ok [INFO] [stderr] 22 | for i in c..n - 1 - c { [INFO] [stdout] test q1046_last_stone_weight::tests::q1046 ... ok [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] test q103_binary_tree_zigzag_level_order_traversal::tests::q103 ... ok [INFO] [stderr] | [INFO] [stdout] test q1047_remove_all_adjacent_duplicates_in_string::tests::q1047 ... ok [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_a` is never read [INFO] [stderr] --> src/q067_add_binary.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut bit_a = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `bit_b` is never read [INFO] [stderr] --> src/q067_add_binary.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut bit_b = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `sum` is never read [INFO] [stderr] --> src/q067_add_binary.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut sum = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r` [INFO] [stderr] --> src/q101_symmetric_tree.rs:68:22 [INFO] [stderr] | [INFO] [stderr] 68 | Some(r) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `num` is never read [INFO] [stderr] --> src/q1048_longest_string_chain.rs:17:21 [INFO] [stderr] | [INFO] [stderr] 17 | let mut num = 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/q067_add_binary.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut n = std::cmp::max(a.len(), b.len()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `toString` should have a snake case name [INFO] [stderr] --> src/q1048_longest_string_chain.rs:32:4 [INFO] [stderr] | [INFO] [stderr] 32 | fn toString(str: &[u8]) -> String { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `to_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/leetcode_rust-b62b57457776e262 [INFO] [stdout] test q1048_longest_string_chain::tests::q1048 ... ok [INFO] [stdout] test q104_maximum_depth_of_binary_tree::tests::q104 ... ok [INFO] [stdout] test q1049_last_stone_weight_ii::tests::q1049 ... ok [INFO] [stdout] test q1051_height_checker::tests::q1051 ... ok [INFO] [stdout] test q040_combination_sum_ii::tests::q040 ... ok [INFO] [stdout] test q1053_previous_permutation_with_one_swap::tests::q1053 ... ok [INFO] [stdout] test q1054_distant_barcodes::tests::q1054 ... ok [INFO] [stdout] test q1052_grumpy_bookstore_owner::tests::q1052 ... ok [INFO] [stdout] test q1071_greatest_common_divisor_of_strings::tests::q1071 ... ok [INFO] [stdout] test q026_remove_duplicates_from_sorted_array::tests::q026 ... ok [INFO] [stdout] test q1072_flip_columns_for_maximum_number_of_equal_rows::tests::q1072 ... ok [INFO] [stdout] test q107_binary_tree_level_order_traversal_ii::tests::q107 ... ok [INFO] [stdout] test q110_balanced_binary_tree::tests::q110 ... ok [INFO] [stdout] test q111_minimum_depth_of_binary_tree::tests::q111 ... ok [INFO] [stdout] test q1073_adding_two_negabinary_numbers::tests::q1073 ... ok [INFO] [stdout] test q119_pascals_triangle_ii::tests::q119 ... ok [INFO] [stdout] test q118_pascals_triangle::tests::q118 ... ok [INFO] [stdout] test q125_valid_palindrome::tests::q125 ... ok [INFO] [stdout] test q042_trapping_rain_water::tests::q042 ... ok [INFO] [stdout] test q0416_partition_equal_subset_sum::tests::q0416 ... ok [INFO] [stdout] test q027_remove_element::tests::q027 ... ok [INFO] [stdout] test q066_plus_one::tests::q066 ... ok [INFO] [stdout] test q024_swap_nodes_in_pairs::tests::q024 ... ok [INFO] [stdout] test q126_word_ladder_ii::tests::q126 ... ok [INFO] [stdout] test q038_count_and_say::tests::q038 ... ok [INFO] [stdout] test q136_single_number::tests::q136 ... ok [INFO] [stdout] test q039_combination_sum::tests::q039 ... ok [INFO] [stdout] test q001_two_sum::tests::q001 ... ok [INFO] [stdout] test q207_course_schedule::tests::q207 ... ok [INFO] [stdout] test q169_majority_element::tests::q169 ... ok [INFO] [stdout] test q200_number_of_islands::tests::q200 ... ok [INFO] [stdout] test q199_binary_tree_right_side_view::tests::q199 ... ok [INFO] [stdout] test q167_two_sum_ii_input_array_is_sorted::tests::q167 ... ok [INFO] [stdout] test q155_min_stack::tests::q155 ... ok [INFO] [stdout] test q121_best_time_to_buy_and_sell_stock::tests::q121 ... ok [INFO] [stdout] test q122_best_time_to_buy_and_sell_stock_ii::tests::q122 ... ok [INFO] [stdout] test q130_surrounded_regions::tests::q130 ... ok [INFO] [stdout] test q037_sudoku_solver::tests::q037 ... ok [INFO] [stdout] test q127_word_ladder::tests::q127 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 67 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests leetcode-rust [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "dca8a1ac65a7d3c8787d6d1a05ab7eee4fbb9aad53d875a63987c8b57f3ae46d"` [INFO] running `"docker" "rm" "-f" "dca8a1ac65a7d3c8787d6d1a05ab7eee4fbb9aad53d875a63987c8b57f3ae46d"` [INFO] [stdout] dca8a1ac65a7d3c8787d6d1a05ab7eee4fbb9aad53d875a63987c8b57f3ae46d