[INFO] cloning repository https://github.com/MirkoCovizzi/Leetcode-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MirkoCovizzi/Leetcode-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMirkoCovizzi%2FLeetcode-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMirkoCovizzi%2FLeetcode-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1dcbc878eaa01b61dd45bb672c1d662ed37626cd [INFO] testing MirkoCovizzi/Leetcode-rs against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMirkoCovizzi%2FLeetcode-rs" "/workspace/builds/worker-82/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MirkoCovizzi/Leetcode-rs on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MirkoCovizzi/Leetcode-rs [INFO] finished tweaking git repo https://github.com/MirkoCovizzi/Leetcode-rs [INFO] tweaked toml for git repo https://github.com/MirkoCovizzi/Leetcode-rs written to /workspace/builds/worker-82/source/Cargo.toml [INFO] crate git repo https://github.com/MirkoCovizzi/Leetcode-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 834008e87ff95b06303e96b14f4f1db2957db17158619f4c78c46b4bc4395841 [INFO] running `Command { std: "docker" "start" "-a" "834008e87ff95b06303e96b14f4f1db2957db17158619f4c78c46b4bc4395841", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "834008e87ff95b06303e96b14f4f1db2957db17158619f4c78c46b4bc4395841", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "834008e87ff95b06303e96b14f4f1db2957db17158619f4c78c46b4bc4395841", kill_on_drop: false }` [INFO] [stdout] 834008e87ff95b06303e96b14f4f1db2957db17158619f4c78c46b4bc4395841 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e85f77a22ed9d2a9731b469356b9430bfa6adfc29ef796574172496b5d1e788 [INFO] running `Command { std: "docker" "start" "-a" "6e85f77a22ed9d2a9731b469356b9430bfa6adfc29ef796574172496b5d1e788", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `max_profit` [INFO] [stdout] --> src/buy_sell_stock/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn max_profit(prices: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `climb_stairs` [INFO] [stdout] --> src/climbing_stairs/mod.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn climb_stairs(n: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `length_of_longest_substring` [INFO] [stdout] --> src/longest_substring_without_repeating_characters/mod.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn length_of_longest_substring(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `max_sub_array` [INFO] [stdout] --> src/maximum_subarray/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn max_sub_array(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dfs` [INFO] [stdout] --> src/number_of_islands/mod.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn dfs(grid: &mut Vec>, i: i32, j: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `num_islands` [INFO] [stdout] --> src/number_of_islands/mod.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn num_islands(grid: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/remove_nth_node_from_end_of_list/mod.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove_nth_from_end` [INFO] [stdout] --> src/remove_nth_node_from_end_of_list/mod.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn remove_nth_from_end(head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/reverse_linked_list/mod.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse_list` [INFO] [stdout] --> src/reverse_linked_list/mod.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn reverse_list(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `set_zeroes` [INFO] [stdout] --> src/set_matrix_zeroes/mod.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn set_zeroes(matrix: &mut Vec>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `spiral_order` [INFO] [stdout] --> src/spiral_matrix/mod.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn spiral_order(matrix: Vec>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_sum` [INFO] [stdout] --> src/sum_two_integers/mod.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn get_sum(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum` [INFO] [stdout] --> src/two_sum/mod.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.42s [INFO] running `Command { std: "docker" "inspect" "6e85f77a22ed9d2a9731b469356b9430bfa6adfc29ef796574172496b5d1e788", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e85f77a22ed9d2a9731b469356b9430bfa6adfc29ef796574172496b5d1e788", kill_on_drop: false }` [INFO] [stdout] 6e85f77a22ed9d2a9731b469356b9430bfa6adfc29ef796574172496b5d1e788 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2b49352dce943a3f2470c5eb4afa335592ce6f68f59016623a62dd9f2a182b9 [INFO] running `Command { std: "docker" "start" "-a" "d2b49352dce943a3f2470c5eb4afa335592ce6f68f59016623a62dd9f2a182b9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.68s [INFO] running `Command { std: "docker" "inspect" "d2b49352dce943a3f2470c5eb4afa335592ce6f68f59016623a62dd9f2a182b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2b49352dce943a3f2470c5eb4afa335592ce6f68f59016623a62dd9f2a182b9", kill_on_drop: false }` [INFO] [stdout] d2b49352dce943a3f2470c5eb4afa335592ce6f68f59016623a62dd9f2a182b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ff678ffd4facebc32d312bde98329a2fafc192f0f6519adcd4e6f9a68c8bf9d [INFO] running `Command { std: "docker" "start" "-a" "7ff678ffd4facebc32d312bde98329a2fafc192f0f6519adcd4e6f9a68c8bf9d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.47s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode-cca0003713a2724e) [INFO] [stdout] running 32 tests [INFO] [stdout] test buy_sell_stock::tests::another_example_1 ... ok [INFO] [stdout] test buy_sell_stock::tests::another_example_2 ... ok [INFO] [stdout] test buy_sell_stock::tests::given_example_1 ... ok [INFO] [stdout] test climbing_stairs::tests::another_example_1 ... ok [INFO] [stdout] test climbing_stairs::tests::another_example_2 ... ok [INFO] [stdout] test buy_sell_stock::tests::given_example_2 ... ok [INFO] [stdout] test climbing_stairs::tests::another_example_3 ... ok [INFO] [stdout] test climbing_stairs::tests::given_example_1 ... ok [INFO] [stdout] test climbing_stairs::tests::given_example_2 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::given_example_2 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::given_example_1 ... ok [INFO] [stdout] test longest_substring_without_repeating_characters::tests::given_example_3 ... ok [INFO] [stdout] test maximum_subarray::tests::another_example ... ok [INFO] [stdout] test maximum_subarray::tests::given_example ... ok [INFO] [stdout] test number_of_islands::tests::given_example_1 ... ok [INFO] [stdout] test number_of_islands::tests::given_example_2 ... ok [INFO] [stdout] test number_of_one_bits::tests::given_example_1 ... ok [INFO] [stdout] test number_of_one_bits::tests::given_example_2 ... ok [INFO] [stdout] test number_of_one_bits::tests::given_example_3 ... ok [INFO] [stdout] test remove_nth_node_from_end_of_list::tests::given_example ... ok [INFO] [stdout] test reverse_linked_list::tests::given_example ... ok [INFO] [stdout] test set_matrix_zeroes::tests::given_example_1 ... ok [INFO] [stdout] test set_matrix_zeroes::tests::given_example_2 ... ok [INFO] [stdout] test spiral_matrix::tests::given_example_1 ... ok [INFO] [stdout] test spiral_matrix::tests::given_example_2 ... ok [INFO] [stdout] test sum_two_integers::tests::another_example_1 ... ok [INFO] [stdout] test sum_two_integers::tests::another_example_2 ... ok [INFO] [stdout] test sum_two_integers::tests::given_example_2 ... ok [INFO] [stdout] test sum_two_integers::tests::given_example_1 ... ok [INFO] [stdout] test two_sum::tests::another_example_1 ... ok [INFO] [stdout] test two_sum::tests::another_example_2 ... ok [INFO] [stdout] test two_sum::tests::given_example ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7ff678ffd4facebc32d312bde98329a2fafc192f0f6519adcd4e6f9a68c8bf9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ff678ffd4facebc32d312bde98329a2fafc192f0f6519adcd4e6f9a68c8bf9d", kill_on_drop: false }` [INFO] [stdout] 7ff678ffd4facebc32d312bde98329a2fafc192f0f6519adcd4e6f9a68c8bf9d