[INFO] cloning repository https://github.com/ik1ne/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ik1ne/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fik1ne%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fik1ne%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de373e686d2ec1bf944d7a778acebd7e2b776ecb
[INFO] testing ik1ne/leetcode against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fik1ne%2Fleetcode" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ik1ne/leetcode
[INFO] finished tweaking git repo https://github.com/ik1ne/leetcode
[INFO] tweaked toml for git repo https://github.com/ik1ne/leetcode written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ik1ne/leetcode on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ik1ne/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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d07ef4d78fd36fb683a4343c394a888bc3ed113e7d537db021db081fb87b720
[INFO] running `Command { std: "docker" "start" "-a" "8d07ef4d78fd36fb683a4343c394a888bc3ed113e7d537db021db081fb87b720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d07ef4d78fd36fb683a4343c394a888bc3ed113e7d537db021db081fb87b720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d07ef4d78fd36fb683a4343c394a888bc3ed113e7d537db021db081fb87b720", kill_on_drop: false }`
[INFO] [stdout] 8d07ef4d78fd36fb683a4343c394a888bc3ed113e7d537db021db081fb87b720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7f9ca56f835396495a24ad3ddd58247ab3cb5692b9ab822865a6880b0328e17
[INFO] running `Command { std: "docker" "start" "-a" "c7f9ca56f835396495a24ad3ddd58247ab3cb5692b9ab822865a6880b0328e17", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "c7f9ca56f835396495a24ad3ddd58247ab3cb5692b9ab822865a6880b0328e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f9ca56f835396495a24ad3ddd58247ab3cb5692b9ab822865a6880b0328e17", kill_on_drop: false }`
[INFO] [stdout] c7f9ca56f835396495a24ad3ddd58247ab3cb5692b9ab822865a6880b0328e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b51e60c847b5321dbc8980818bb2dd7b46bff0c63b15f2a28b7f83a379c9447
[INFO] running `Command { std: "docker" "start" "-a" "1b51e60c847b5321dbc8980818bb2dd7b46bff0c63b15f2a28b7f83a379c9447", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MapSum` is never constructed
[INFO] [stdout]  --> tests/p677_map_sum_pairs.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct MapSum {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `update_prefix`, and `sum` are never used
[INFO] [stdout]   --> tests/p677_map_sum_pairs.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MapSum {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn insert(&mut self, key: String, val: i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn update_prefix(&mut self, key: &str, diff: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn sum(&self, prefix: String) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1b51e60c847b5321dbc8980818bb2dd7b46bff0c63b15f2a28b7f83a379c9447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b51e60c847b5321dbc8980818bb2dd7b46bff0c63b15f2a28b7f83a379c9447", kill_on_drop: false }`
[INFO] [stdout] 1b51e60c847b5321dbc8980818bb2dd7b46bff0c63b15f2a28b7f83a379c9447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cafc28c3bca146bfa405d91d83a2981d524463a3798226eb55f70355bc174450
[INFO] running `Command { std: "docker" "start" "-a" "cafc28c3bca146bfa405d91d83a2981d524463a3798226eb55f70355bc174450", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MapSum` is never constructed
[INFO] [stderr]  --> tests/p677_map_sum_pairs.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct MapSum {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `insert`, `update_prefix`, and `sum` are never used
[INFO] [stderr]   --> tests/p677_map_sum_pairs.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl MapSum {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 13 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn insert(&mut self, key: String, val: i32) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn update_prefix(&mut self, key: &str, diff: i32) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     fn sum(&self, prefix: String) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode` (test "p677_map_sum_pairs") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leetcode-b62047af4ea01d3d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/p0007_reverse_integer.rs (/opt/rustwide/target/debug/deps/p0007_reverse_integer-293f739bd9b1e62b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test case1 ... ok
[INFO] [stdout] test case3 ... ok
[INFO] [stdout] test case2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/p1006_clumsy_factorial.rs (/opt/rustwide/target/debug/deps/p1006_clumsy_factorial-38cd0b9fa43ac19c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/p677_map_sum_pairs.rs (/opt/rustwide/target/debug/deps/p677_map_sum_pairs-b52bad7b86908cad)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cafc28c3bca146bfa405d91d83a2981d524463a3798226eb55f70355bc174450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafc28c3bca146bfa405d91d83a2981d524463a3798226eb55f70355bc174450", kill_on_drop: false }`
[INFO] [stdout] cafc28c3bca146bfa405d91d83a2981d524463a3798226eb55f70355bc174450
