[INFO] cloning repository https://github.com/spacemeowx2/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spacemeowx2/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacemeowx2%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacemeowx2%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 909b8cea6d2db9ca6f2b0e96c725d18796d1459d
[INFO] testing spacemeowx2/leetcode against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspacemeowx2%2Fleetcode" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spacemeowx2/leetcode on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spacemeowx2/leetcode
[INFO] finished tweaking git repo https://github.com/spacemeowx2/leetcode
[INFO] tweaked toml for git repo https://github.com/spacemeowx2/leetcode written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/spacemeowx2/leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b677c7ece3f048c7bd27e0af7e2bca57947d8e9c3d35211b680b7f163dcb1ed0
[INFO] running `Command { std: "docker" "start" "-a" "b677c7ece3f048c7bd27e0af7e2bca57947d8e9c3d35211b680b7f163dcb1ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b677c7ece3f048c7bd27e0af7e2bca57947d8e9c3d35211b680b7f163dcb1ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b677c7ece3f048c7bd27e0af7e2bca57947d8e9c3d35211b680b7f163dcb1ed0", kill_on_drop: false }`
[INFO] [stdout] b677c7ece3f048c7bd27e0af7e2bca57947d8e9c3d35211b680b7f163dcb1ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a57418244a8b18b90ad30804b16e7b1bc195b97fadc65d96b6ba2d02d055f2
[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" "c0a57418244a8b18b90ad30804b16e7b1bc195b97fadc65d96b6ba2d02d055f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/p1380.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[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: `lucky_numbers`
[INFO] [stdout]  --> src/p1380.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn lucky_numbers(matrix: Vec<Vec<i32>>) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/p228.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `summary_ranges`
[INFO] [stdout]   --> src/p228.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn summary_ranges(nums: Vec<i32>) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print`
[INFO] [stdout]   --> src/p228.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fn print(start: i32, end: i32) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/p338.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count_bits`
[INFO] [stdout]  --> src/p338.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn count_bits(n: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SummaryRanges`
[INFO] [stdout]  --> src/p352.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct SummaryRanges {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/p352.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_num`
[INFO] [stdout]   --> src/p352.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn add_num(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_intervals`
[INFO] [stdout]   --> src/p352.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn get_intervals(&self) -> Vec<Vec<i32>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/p413.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STOP`
[INFO] [stdout]  --> src/p413.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const STOP: i32 = -10000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_sum`
[INFO] [stdout]  --> src/p413.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn sub_sum(n: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `number_of_arithmetic_slices`
[INFO] [stdout]   --> src/p413.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn number_of_arithmetic_slices(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]  --> src/p74.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search_matrix`
[INFO] [stdout]  --> src/p74.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn search_matrix(matrix: Vec<Vec<i32>>, target: i32) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "c0a57418244a8b18b90ad30804b16e7b1bc195b97fadc65d96b6ba2d02d055f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a57418244a8b18b90ad30804b16e7b1bc195b97fadc65d96b6ba2d02d055f2", kill_on_drop: false }`
[INFO] [stdout] c0a57418244a8b18b90ad30804b16e7b1bc195b97fadc65d96b6ba2d02d055f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c615120047f2b50d9b5bbc7d8b0edf1375e755f608dcb63c9fa8b707e1edc3a
[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" "6c615120047f2b50d9b5bbc7d8b0edf1375e755f608dcb63c9fa8b707e1edc3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-cca0003713a2724e)
[INFO] running `Command { std: "docker" "inspect" "6c615120047f2b50d9b5bbc7d8b0edf1375e755f608dcb63c9fa8b707e1edc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c615120047f2b50d9b5bbc7d8b0edf1375e755f608dcb63c9fa8b707e1edc3a", kill_on_drop: false }`
[INFO] [stdout] 6c615120047f2b50d9b5bbc7d8b0edf1375e755f608dcb63c9fa8b707e1edc3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff8e92d167a960bf6d556a1a25781e15c2977ffdb6ed1a2691bdb30a4d532b74
[INFO] running `Command { std: "docker" "start" "-a" "ff8e92d167a960bf6d556a1a25781e15c2977ffdb6ed1a2691bdb30a4d532b74", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leetcode-cca0003713a2724e)
[INFO] [stdout] test p228::tests::it_works ... ok
[INFO] [stdout] test p338::tests::it_works ... ok
[INFO] [stdout] test p352::tests::it_works ... ok
[INFO] [stdout] test p413::tests::test_sum ... ok
[INFO] [stdout] test p74::tests::test_p74 ... ok
[INFO] [stdout] test p413::tests::test_0 ... ok
[INFO] [stdout] test p1380::tests::test_p1380 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff8e92d167a960bf6d556a1a25781e15c2977ffdb6ed1a2691bdb30a4d532b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8e92d167a960bf6d556a1a25781e15c2977ffdb6ed1a2691bdb30a4d532b74", kill_on_drop: false }`
[INFO] [stdout] ff8e92d167a960bf6d556a1a25781e15c2977ffdb6ed1a2691bdb30a4d532b74