[INFO] cloning repository https://github.com/kirhgoff/rust_utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirhgoff/rust_utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Frust_utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Frust_utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662711b2e94f72c8636ca70fec98487260cb7a94
[INFO] testing kirhgoff/rust_utils against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Frust_utils" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirhgoff/rust_utils on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirhgoff/rust_utils
[INFO] finished tweaking git repo https://github.com/kirhgoff/rust_utils
[INFO] tweaked toml for git repo https://github.com/kirhgoff/rust_utils written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kirhgoff/rust_utils 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded primal v0.2.3
[INFO] [stderr]   Downloaded smallvec v0.4.4
[INFO] [stderr]   Downloaded primal-check v0.2.3
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded primal-bit v0.2.4
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded primal-sieve v0.2.8
[INFO] [stderr]   Downloaded num-bigint v0.1.41
[INFO] [stderr]   Downloaded num-rational v0.1.41
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded fraction v0.3.7
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded primal-estimate v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 704d7f621815717437d2f7bb0aa9444bbb074930321fcf2813bb72b465d149fd
[INFO] running `Command { std: "docker" "start" "-a" "704d7f621815717437d2f7bb0aa9444bbb074930321fcf2813bb72b465d149fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "704d7f621815717437d2f7bb0aa9444bbb074930321fcf2813bb72b465d149fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704d7f621815717437d2f7bb0aa9444bbb074930321fcf2813bb72b465d149fd", kill_on_drop: false }`
[INFO] [stdout] 704d7f621815717437d2f7bb0aa9444bbb074930321fcf2813bb72b465d149fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 769124b5f8980fd87570711c9701c68efd54dd548606bde9abbf959f5217aa1f
[INFO] running `Command { std: "docker" "start" "-a" "769124b5f8980fd87570711c9701c68efd54dd548606bde9abbf959f5217aa1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling num-rational v0.1.41
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling fraction v0.3.7
[INFO] [stderr]    Compiling rust_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "769124b5f8980fd87570711c9701c68efd54dd548606bde9abbf959f5217aa1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769124b5f8980fd87570711c9701c68efd54dd548606bde9abbf959f5217aa1f", kill_on_drop: false }`
[INFO] [stdout] 769124b5f8980fd87570711c9701c68efd54dd548606bde9abbf959f5217aa1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf213202bd340aaf31a50988f8ca7d16d09aaa1a58af2563c39020e8c0ade8c
[INFO] running `Command { std: "docker" "start" "-a" "abf213202bd340aaf31a50988f8ca7d16d09aaa1a58af2563c39020e8c0ade8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "abf213202bd340aaf31a50988f8ca7d16d09aaa1a58af2563c39020e8c0ade8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf213202bd340aaf31a50988f8ca7d16d09aaa1a58af2563c39020e8c0ade8c", kill_on_drop: false }`
[INFO] [stdout] abf213202bd340aaf31a50988f8ca7d16d09aaa1a58af2563c39020e8c0ade8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ac1c4fc4d08133024bcd786877f995ed46d220c1bc90c29e25b0bc14189cd75
[INFO] running `Command { std: "docker" "start" "-a" "8ac1c4fc4d08133024bcd786877f995ed46d220c1bc90c29e25b0bc14189cd75", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_utils-4e2910885188de95)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test euler37::tests::is_truncatable_prime_works ... ok
[INFO] [stdout] test euler39::tests::hypothenuse_works ... ok
[INFO] [stdout] test utils::tests::digits_count_works ... ok
[INFO] [stdout] test euler38::tests::concatenated_product_works ... ok
[INFO] [stdout] test utils::tests::binary_string_works ... ok
[INFO] [stdout] test utils::tests::digits_iterator_works ... ok
[INFO] [stdout] test euler37::tests::split_works ... ok
[INFO] [stdout] test utils::tests::is_palindrome_works ... ok
[INFO] [stdout] test utils::tests::is_pandigital_works ... ok
[INFO] [stdout] test utils::tests::mod_rem_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ac1c4fc4d08133024bcd786877f995ed46d220c1bc90c29e25b0bc14189cd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac1c4fc4d08133024bcd786877f995ed46d220c1bc90c29e25b0bc14189cd75", kill_on_drop: false }`
[INFO] [stdout] 8ac1c4fc4d08133024bcd786877f995ed46d220c1bc90c29e25b0bc14189cd75