[INFO] cloning repository https://github.com/pcmind/projecteuler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pcmind/projecteuler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcmind%2Fprojecteuler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcmind%2Fprojecteuler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b238f1a8ec84418bf8620218399b90858954326a
[INFO] testing pcmind/projecteuler-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcmind%2Fprojecteuler-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pcmind/projecteuler-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pcmind/projecteuler-rust
[INFO] finished tweaking git repo https://github.com/pcmind/projecteuler-rust
[INFO] tweaked toml for git repo https://github.com/pcmind/projecteuler-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pcmind/projecteuler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16ec94b5df2fadcf6cd8389131fa57ec36c8fb855ae68bca66bc57f38200a3d
[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" "c16ec94b5df2fadcf6cd8389131fa57ec36c8fb855ae68bca66bc57f38200a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16ec94b5df2fadcf6cd8389131fa57ec36c8fb855ae68bca66bc57f38200a3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16ec94b5df2fadcf6cd8389131fa57ec36c8fb855ae68bca66bc57f38200a3d", kill_on_drop: false }`
[INFO] [stdout] c16ec94b5df2fadcf6cd8389131fa57ec36c8fb855ae68bca66bc57f38200a3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] 2f85abf50d171c90a563c2cb89b98ad4a97ad5f9250a7140bf4c5545bb22efd8
[INFO] running `Command { std: "docker" "start" "-a" "2f85abf50d171c90a563c2cb89b98ad4a97ad5f9250a7140bf4c5545bb22efd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling projecteuler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "2f85abf50d171c90a563c2cb89b98ad4a97ad5f9250a7140bf4c5545bb22efd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f85abf50d171c90a563c2cb89b98ad4a97ad5f9250a7140bf4c5545bb22efd8", kill_on_drop: false }`
[INFO] [stdout] 2f85abf50d171c90a563c2cb89b98ad4a97ad5f9250a7140bf4c5545bb22efd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 641b2b74dab7fec76ca45fc22a421101c0d91a7dd3a698671ca5e60e040227f9
[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" "641b2b74dab7fec76ca45fc22a421101c0d91a7dd3a698671ca5e60e040227f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling projecteuler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "641b2b74dab7fec76ca45fc22a421101c0d91a7dd3a698671ca5e60e040227f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641b2b74dab7fec76ca45fc22a421101c0d91a7dd3a698671ca5e60e040227f9", kill_on_drop: false }`
[INFO] [stdout] 641b2b74dab7fec76ca45fc22a421101c0d91a7dd3a698671ca5e60e040227f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 468f29e2e0972712e7b461357cfc5320a8d5f69279c682c2263552668a230f8b
[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" "468f29e2e0972712e7b461357cfc5320a8d5f69279c682c2263552668a230f8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/projecteuler-29d8bd3cbc32109b)
[INFO] [stdout] running 17 tests
[INFO] [stdout] test problem1::tests::compute_correctly_provided_solution ... ok
[INFO] [stdout] test problem2::tests::sum_of_even_fibonacci_numbers_return_correct_sum ... ok
[INFO] [stdout] test problem4::tests::detect_a_valid_palindrome ... ok
[INFO] [stdout] test problem4::tests::detect_an_invalid_palindrome ... ok
[INFO] [stdout] test problem4::tests::first_palindrome_is_correct ... ok
[INFO] [stdout] test problem5::tests::test_corner_case ... ok
[INFO] [stdout] test problem4::tests::prev_return_only_palindrome_numbers ... ok
[INFO] [stdout] test problem1::tests::optimal1 ... ok
[INFO] [stdout] test problem1::tests::iterative ... ok
[INFO] [stdout] test problem4::tests::max_palindrome_made_out_of_n_digit_number ... ok
[INFO] [stdout] test problem4::tests::give_correct_solutions ... ok
[INFO] [stdout] test problem5::tests::test_given_solution ... ok
[INFO] [stdout] test problem6::tests::test_correct_result ... ok
[INFO] [stdout] test problem6::tests::test_given_solution ... ok
[INFO] [stdout] test problem4::tests::corner_cases ... ok
[INFO] [stdout] test problem3::tests::output_correct_value ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/projecteuler-268e085d84a55753)
[INFO] [stdout] test problem5::tests::test_correct_result ... ok
[INFO] [stderr]    Doc-tests projecteuler
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.20s
[INFO] [stdout] 
[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] [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" "468f29e2e0972712e7b461357cfc5320a8d5f69279c682c2263552668a230f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468f29e2e0972712e7b461357cfc5320a8d5f69279c682c2263552668a230f8b", kill_on_drop: false }`
[INFO] [stdout] 468f29e2e0972712e7b461357cfc5320a8d5f69279c682c2263552668a230f8b