[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b238f1a8ec84418bf8620218399b90858954326a
[INFO] testing pcmind/projecteuler-rust against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcmind%2Fprojecteuler-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pcmind/projecteuler-rust on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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-2020-07-24" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd8b29d978c00c26a8aeb701a2e6d4a6beac2132068ac6ab62457d85fae71e1d
[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" "fd8b29d978c00c26a8aeb701a2e6d4a6beac2132068ac6ab62457d85fae71e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd8b29d978c00c26a8aeb701a2e6d4a6beac2132068ac6ab62457d85fae71e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8b29d978c00c26a8aeb701a2e6d4a6beac2132068ac6ab62457d85fae71e1d", kill_on_drop: false }`
[INFO] [stdout] fd8b29d978c00c26a8aeb701a2e6d4a6beac2132068ac6ab62457d85fae71e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92680d800387e5d19d8e8251e3f06fcadfa4ffeeb151a9980f4ee92f1f7e5117
[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" "92680d800387e5d19d8e8251e3f06fcadfa4ffeeb151a9980f4ee92f1f7e5117", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling projecteuler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "92680d800387e5d19d8e8251e3f06fcadfa4ffeeb151a9980f4ee92f1f7e5117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92680d800387e5d19d8e8251e3f06fcadfa4ffeeb151a9980f4ee92f1f7e5117", kill_on_drop: false }`
[INFO] [stdout] 92680d800387e5d19d8e8251e3f06fcadfa4ffeeb151a9980f4ee92f1f7e5117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c03f78d3150ee4616351fd45398bdf5b64d7b6539f6797790ad02192c995014
[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" "6c03f78d3150ee4616351fd45398bdf5b64d7b6539f6797790ad02192c995014", kill_on_drop: false }`
[INFO] [stderr]    Compiling projecteuler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "6c03f78d3150ee4616351fd45398bdf5b64d7b6539f6797790ad02192c995014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c03f78d3150ee4616351fd45398bdf5b64d7b6539f6797790ad02192c995014", kill_on_drop: false }`
[INFO] [stdout] 6c03f78d3150ee4616351fd45398bdf5b64d7b6539f6797790ad02192c995014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd1baa11157a320721f8b0ad82170818267fd3c8b9684fda96ef8435a3aeca84
[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" "bd1baa11157a320721f8b0ad82170818267fd3c8b9684fda96ef8435a3aeca84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/projecteuler-c601dff4b53d1e5f
[INFO] [stdout] running 17 tests
[INFO] [stdout] test problem1::tests::optimal1 ... ok
[INFO] [stdout] test problem2::tests::sum_of_even_fibonacci_numbers_return_correct_sum ... ok
[INFO] [stdout] test problem4::tests::detect_an_invalid_palindrome ... ok
[INFO] [stdout] test problem4::tests::detect_a_valid_palindrome ... ok
[INFO] [stdout] test problem1::tests::iterative ... ok
[INFO] [stdout] test problem4::tests::corner_cases ... ok
[INFO] [stdout] test problem1::tests::compute_correctly_provided_solution ... ok
[INFO] [stdout] test problem4::tests::first_palindrome_is_correct ... ok
[INFO] [stdout] test problem6::tests::test_given_solution ... ok
[INFO] [stdout] test problem4::tests::give_correct_solutions ... ok
[INFO] [stdout] test problem4::tests::max_palindrome_made_out_of_n_digit_number ... ok
[INFO] [stdout] test problem5::tests::test_given_solution ... ok
[INFO] [stdout] test problem6::tests::test_correct_result ... ok
[INFO] [stdout] test problem4::tests::prev_return_only_palindrome_numbers ... ok
[INFO] [stdout] test problem5::tests::test_corner_case ... ok
[INFO] [stdout] test problem3::tests::output_correct_value ... ok
[INFO] [stdout] test problem5::tests::test_correct_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/projecteuler-dee81150970af805
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests projecteuler
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd1baa11157a320721f8b0ad82170818267fd3c8b9684fda96ef8435a3aeca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1baa11157a320721f8b0ad82170818267fd3c8b9684fda96ef8435a3aeca84", kill_on_drop: false }`
[INFO] [stdout] bd1baa11157a320721f8b0ad82170818267fd3c8b9684fda96ef8435a3aeca84