[INFO] cloning repository https://github.com/mmorella-dev/hackerrank-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmorella-dev/hackerrank-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmorella-dev%2Fhackerrank-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmorella-dev%2Fhackerrank-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9db25ea31b29b4a40763f2b5fb518327b4f8de84
[INFO] testing mmorella-dev/hackerrank-rust against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmorella-dev%2Fhackerrank-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mmorella-dev/hackerrank-rust
[INFO] finished tweaking git repo https://github.com/mmorella-dev/hackerrank-rust
[INFO] tweaked toml for git repo https://github.com/mmorella-dev/hackerrank-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mmorella-dev/hackerrank-rust on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mmorella-dev/hackerrank-rust 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 926df67fd8df8cd0b61f59bdca8b04d33ecc9d2f5fea578cc249ca3353737800
[INFO] running `Command { std: "docker" "start" "-a" "926df67fd8df8cd0b61f59bdca8b04d33ecc9d2f5fea578cc249ca3353737800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926df67fd8df8cd0b61f59bdca8b04d33ecc9d2f5fea578cc249ca3353737800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926df67fd8df8cd0b61f59bdca8b04d33ecc9d2f5fea578cc249ca3353737800", kill_on_drop: false }`
[INFO] [stdout] 926df67fd8df8cd0b61f59bdca8b04d33ecc9d2f5fea578cc249ca3353737800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5b498ec6aa14122b7e596bfdbb23fa8f79c4a3a2f8b1fac6d3e74776e2c2a53
[INFO] running `Command { std: "docker" "start" "-a" "c5b498ec6aa14122b7e596bfdbb23fa8f79c4a3a2f8b1fac6d3e74776e2c2a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling hackerrank-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "c5b498ec6aa14122b7e596bfdbb23fa8f79c4a3a2f8b1fac6d3e74776e2c2a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b498ec6aa14122b7e596bfdbb23fa8f79c4a3a2f8b1fac6d3e74776e2c2a53", kill_on_drop: false }`
[INFO] [stdout] c5b498ec6aa14122b7e596bfdbb23fa8f79c4a3a2f8b1fac6d3e74776e2c2a53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d55a864afb3fe497889e8c25f579315dc499418cd8153fcf4279fd67d3b26ce
[INFO] running `Command { std: "docker" "start" "-a" "0d55a864afb3fe497889e8c25f579315dc499418cd8153fcf4279fd67d3b26ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling hackerrank-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "0d55a864afb3fe497889e8c25f579315dc499418cd8153fcf4279fd67d3b26ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d55a864afb3fe497889e8c25f579315dc499418cd8153fcf4279fd67d3b26ce", kill_on_drop: false }`
[INFO] [stdout] 0d55a864afb3fe497889e8c25f579315dc499418cd8153fcf4279fd67d3b26ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da8f9a3ecc9153b59527ba6908d67b557237077868c6bf81a361f639d43699f7
[INFO] running `Command { std: "docker" "start" "-a" "da8f9a3ecc9153b59527ba6908d67b557237077868c6bf81a361f639d43699f7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/bin/connected-cell-in-a-grid.rs (/opt/rustwide/target/debug/deps/connected_cell_in_a_grid-51defa378f60bbca)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests src/bin/crush.rs (/opt/rustwide/target/debug/deps/crush-da46a74ddf6c9cef)
[INFO] [stdout] test tests::sample_input_0 ... ok
[INFO] [stdout] test tests::sample_input_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::sample_input_0 ... ok
[INFO] [stdout] test tests::sample_input_2 ... ok
[INFO] [stdout] test tests::sample_input_1 ... 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 unittests src/bin/day-of-the-programmer.rs (/opt/rustwide/target/debug/deps/day_of_the_programmer-cd08b95097554e1e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::sample_input_1 ... ok
[INFO] [stdout] test test::sample_input_2 ... ok
[INFO] [stdout] test test::sample_input_0 ... ok
[INFO] [stdout] test test::test_calendar_swap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/divisible-sum-pairs.rs (/opt/rustwide/target/debug/deps/divisible_sum_pairs-aa7d09f82b1c5f04)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::sample_input_0 ... 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 unittests src/main.rs (/opt/rustwide/target/debug/deps/hackerrank_rust-79d07d3d729fd07d)
[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 unittests src/bin/larrys-array.rs (/opt/rustwide/target/debug/deps/larrys_array-644d8e52c26f4175)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::sample_input_3 ... ok
[INFO] [stdout] test tests::sample_input_1 ... ok
[INFO] [stdout] test tests::sample_input_2 ... ok
[INFO] [stdout] test tests::test_is_sorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/lonely-integer.rs (/opt/rustwide/target/debug/deps/lonely_integer-b7893ab41c6e25de)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::sample_input_2 ... ok
[INFO] [stdout] test tests::sample_input_0 ... ok
[INFO] [stderr]      Running unittests src/bin/magic-square-forming.rs (/opt/rustwide/target/debug/deps/magic_square_forming-e12d1ec147ff9bf9)
[INFO] [stdout] test tests::sample_input_1 ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::sample_input_1 ... ok
[INFO] [stdout] test tests::sample_input_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/migratory-birds.rs (/opt/rustwide/target/debug/deps/migratory_birds-875cea32e96d849c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::sample_input_0 ... ok
[INFO] [stdout] test tests::sample_input_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/sherlock-and-array.rs (/opt/rustwide/target/debug/deps/sherlock_and_array-7b9ac90c00c1ad31)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::sample_input_0 ... ok
[INFO] [stderr]      Running unittests src/bin/sparse-arrays.rs (/opt/rustwide/target/debug/deps/sparse_arrays-9209cee7fa57e99a)
[INFO] [stdout] test tests::sample_input_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::sample_input_1 ... ok
[INFO] [stdout] test tests::sample_input_3 ... ok
[INFO] [stdout] test tests::sample_input_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/the-birthday-bar.rs (/opt/rustwide/target/debug/deps/the_birthday_bar-f1dea9325a400f61)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::sample_input_0 ... ok
[INFO] [stdout] test tests::sample_input_1 ... ok
[INFO] [stdout] test tests::sample_input_2 ... 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] running `Command { std: "docker" "inspect" "da8f9a3ecc9153b59527ba6908d67b557237077868c6bf81a361f639d43699f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8f9a3ecc9153b59527ba6908d67b557237077868c6bf81a361f639d43699f7", kill_on_drop: false }`
[INFO] [stdout] da8f9a3ecc9153b59527ba6908d67b557237077868c6bf81a361f639d43699f7