[INFO] cloning repository https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Fclassical_and_advanced_data_structures_and_algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Fclassical_and_advanced_data_structures_and_algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dacc7b654670b3f41bac6c2b72fba446960caf38
[INFO] testing leviathan88/classical_and_advanced_data_structures_and_algorithms against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Fclassical_and_advanced_data_structures_and_algorithms" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] finished tweaking git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] tweaked toml for git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms 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/leviathan88/classical_and_advanced_data_structures_and_algorithms 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing leviathan88/classical_and_advanced_data_structures_and_algorithms against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Fclassical_and_advanced_data_structures_and_algorithms" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] finished tweaking git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms
[INFO] tweaked toml for git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leviathan88/classical_and_advanced_data_structures_and_algorithms 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/leviathan88/classical_and_advanced_data_structures_and_algorithms 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] [stderr]     Blocking waiting for file lock on package cache
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af0b83da3705faeafa72dd886845caf4c41b7137bf7ab38ad004ca0678e9a00c
[INFO] running `Command { std: "docker" "start" "-a" "af0b83da3705faeafa72dd886845caf4c41b7137bf7ab38ad004ca0678e9a00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0b83da3705faeafa72dd886845caf4c41b7137bf7ab38ad004ca0678e9a00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0b83da3705faeafa72dd886845caf4c41b7137bf7ab38ad004ca0678e9a00c", kill_on_drop: false }`
[INFO] [stdout] af0b83da3705faeafa72dd886845caf4c41b7137bf7ab38ad004ca0678e9a00c
[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=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] af2e73c23757b150f9d06aff123da1eef5b020f0fb7ad9ac2a47158bdca6a04d
[INFO] running `Command { std: "docker" "start" "-a" "af2e73c23757b150f9d06aff123da1eef5b020f0fb7ad9ac2a47158bdca6a04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling classical_and_advanced_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "af2e73c23757b150f9d06aff123da1eef5b020f0fb7ad9ac2a47158bdca6a04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2e73c23757b150f9d06aff123da1eef5b020f0fb7ad9ac2a47158bdca6a04d", kill_on_drop: false }`
[INFO] [stdout] af2e73c23757b150f9d06aff123da1eef5b020f0fb7ad9ac2a47158bdca6a04d
[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=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] 0a15a776abfb8dd5e96bf7445b977f0c44ac226fd1009cfbecea80c290f0e2fe
[INFO] running `Command { std: "docker" "start" "-a" "0a15a776abfb8dd5e96bf7445b977f0c44ac226fd1009cfbecea80c290f0e2fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling classical_and_advanced_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "0a15a776abfb8dd5e96bf7445b977f0c44ac226fd1009cfbecea80c290f0e2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a15a776abfb8dd5e96bf7445b977f0c44ac226fd1009cfbecea80c290f0e2fe", kill_on_drop: false }`
[INFO] [stdout] 0a15a776abfb8dd5e96bf7445b977f0c44ac226fd1009cfbecea80c290f0e2fe
[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=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] 406f4592f5c9c827c38f20652f48b41aeaa4100ed7b02670887be734eccc9d7a
[INFO] running `Command { std: "docker" "start" "-a" "406f4592f5c9c827c38f20652f48b41aeaa4100ed7b02670887be734eccc9d7a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/classical_and_advanced_algorithms-9969f257f7eba520)
[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" "406f4592f5c9c827c38f20652f48b41aeaa4100ed7b02670887be734eccc9d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406f4592f5c9c827c38f20652f48b41aeaa4100ed7b02670887be734eccc9d7a", kill_on_drop: false }`
[INFO] [stdout] 406f4592f5c9c827c38f20652f48b41aeaa4100ed7b02670887be734eccc9d7a