[INFO] cloning repository https://github.com/james-zhang-bing/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/james-zhang-bing/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-zhang-bing%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-zhang-bing%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 193897084a90f0beb374be0865b8938fedd8d4f9 [INFO] checking james-zhang-bing/leetcode against try#51b1964e35e5e26f8cd938940f0da6f7b5cc54fc for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-zhang-bing%2Fleetcode" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/james-zhang-bing/leetcode on toolchain 51b1964e35e5e26f8cd938940f0da6f7b5cc54fc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/james-zhang-bing/leetcode [INFO] finished tweaking git repo https://github.com/james-zhang-bing/leetcode [INFO] tweaked toml for git repo https://github.com/james-zhang-bing/leetcode written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/james-zhang-bing/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" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05c558fce44f683085113e552ea54725a3ef5df3b1080d1ed6dbeaccca2a6d65 [INFO] running `Command { std: "docker" "start" "-a" "05c558fce44f683085113e552ea54725a3ef5df3b1080d1ed6dbeaccca2a6d65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05c558fce44f683085113e552ea54725a3ef5df3b1080d1ed6dbeaccca2a6d65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05c558fce44f683085113e552ea54725a3ef5df3b1080d1ed6dbeaccca2a6d65", kill_on_drop: false }` [INFO] [stdout] 05c558fce44f683085113e552ea54725a3ef5df3b1080d1ed6dbeaccca2a6d65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 134f07a01f2815d5ea802e2c01648c73be08d4597f63da2da51548415e07489a [INFO] running `Command { std: "docker" "start" "-a" "134f07a01f2815d5ea802e2c01648c73be08d4597f63da2da51548415e07489a", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/two_num_add_2.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `paris` should have an upper camel case name [INFO] [stdout] --> src/valid_paris_20.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum paris {} [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Paris` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> src/binary_tree_preorder_traversal_144.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/number_of_ways_to_arrive_at_destination_1976.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | let mut map_wp: Vec<((usize, usize))> = vec![(0, 0); n as usize]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - let mut map_wp: Vec<((usize, usize))> = vec![(0, 0); n as usize]; [INFO] [stdout] 25 + let mut map_wp: Vec<(usize, usize)> = vec![(0, 0); n as usize]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `wp` should have an upper camel case name [INFO] [stdout] --> src/number_of_ways_to_arrive_at_destination_1976.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | struct wp { [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `Wp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/two_num_add_2.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `paris` should have an upper camel case name [INFO] [stdout] --> src/valid_paris_20.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum paris {} [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Paris` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter` [INFO] [stdout] --> src/binary_tree_preorder_traversal_144.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::iter; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/number_of_ways_to_arrive_at_destination_1976.rs:25:29 [INFO] [stdout] | [INFO] [stdout] 25 | let mut map_wp: Vec<((usize, usize))> = vec![(0, 0); n as usize]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - let mut map_wp: Vec<((usize, usize))> = vec![(0, 0); n as usize]; [INFO] [stdout] 25 + let mut map_wp: Vec<(usize, usize)> = vec![(0, 0); n as usize]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `wp` should have an upper camel case name [INFO] [stdout] --> src/number_of_ways_to_arrive_at_destination_1976.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | struct wp { [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `Wp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/binary_tree_preorder_traversal_144.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/binary_tree_preorder_traversal_144.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/str_z_convert_6.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | let mut i = 0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (bin "leetcode"); 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/51b1964e35e5e26f8cd938940f0da6f7b5cc54fc/bin/rustc --crate-name leetcode --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e5e692d93a5538e7 -C extra-filename=-26645bec20f59e9b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/str_z_convert_6.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut i = 0; [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: unused variable: `min_time` [INFO] [stdout] --> src/number_of_ways_to_arrive_at_destination_1976.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 85 | let (min_time,way_to_end)=&mut map_wp[n-1]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reference_to_nothing` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let reference_to_nothing = dangle(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_to_nothing` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let r=&s; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `paris` is never used [INFO] [stdout] --> src/valid_paris_20.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum paris {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `find_median_sorted_arrays` is never used [INFO] [stdout] --> src/find_mid_num_4.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | pub fn find_median_sorted_arrays(nums1: Vec, nums2: Vec) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/find_mid_num_4.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `find_ocurrences` is never used [INFO] [stdout] --> src/bigram_1078.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | pub fn find_ocurrences(text: String, first: String, second: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bigram_1078.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `invert_tree` is never used [INFO] [stdout] --> src/reversal_tree_226.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 29 | pub fn invert_tree(root: Option>>) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/reversal_tree_226.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/reversal_tree_226.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 52 | impl TreeNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 53 | #[inline] [INFO] [stdout] 54 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `preorder_traversal` is never used [INFO] [stdout] --> src/binary_tree_preorder_traversal_144.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 20 | //迭代法 [INFO] [stdout] 21 | pub fn preorder_traversal(root: Option>>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/binary_tree_preorder_traversal_144.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/binary_tree_preorder_traversal_144.rs:53:10 [INFO] [stdout] | [INFO] [stdout] 51 | impl TreeNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 52 | #[inline] [INFO] [stdout] 53 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyQueue` is never constructed [INFO] [stdout] --> src/implement_queue_using_stacks232.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct MyQueue { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `peek`, and `empty` are never used [INFO] [stdout] --> src/implement_queue_using_stacks232.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl MyQueue { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 25 | [INFO] [stdout] 26 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn pop(&mut self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn peek(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn empty(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `can_cut_3_nums` is never used [INFO] [stdout] --> src/check_if_there_is_a_valid_partition_for_the_array_2369.rs:54:4 [INFO] [stdout] | [INFO] [stdout] 54 | fn can_cut_3_nums(nums: &Vec, current: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `can_cut_2_nums` is never used [INFO] [stdout] --> src/check_if_there_is_a_valid_partition_for_the_array_2369.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn can_cut_2_nums(nums: &Vec, current: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "134f07a01f2815d5ea802e2c01648c73be08d4597f63da2da51548415e07489a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "134f07a01f2815d5ea802e2c01648c73be08d4597f63da2da51548415e07489a", kill_on_drop: false }` [INFO] [stdout] 134f07a01f2815d5ea802e2c01648c73be08d4597f63da2da51548415e07489a