[INFO] cloning repository https://github.com/Herbert-Karl/project_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Herbert-Karl/project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerbert-Karl%2Fproject_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerbert-Karl%2Fproject_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23cbf9f47cbf75e035bbdd0cf353aad66bc126af
[INFO] testing Herbert-Karl/project_euler against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerbert-Karl%2Fproject_euler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Herbert-Karl/project_euler on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Herbert-Karl/project_euler
[INFO] finished tweaking git repo https://github.com/Herbert-Karl/project_euler
[INFO] tweaked toml for git repo https://github.com/Herbert-Karl/project_euler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Herbert-Karl/project_euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 061b508e999fdc838e41ea52aa553ced470c08d3838f2892aa2e586406ff6ba6
[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" "061b508e999fdc838e41ea52aa553ced470c08d3838f2892aa2e586406ff6ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "061b508e999fdc838e41ea52aa553ced470c08d3838f2892aa2e586406ff6ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061b508e999fdc838e41ea52aa553ced470c08d3838f2892aa2e586406ff6ba6", kill_on_drop: false }`
[INFO] [stdout] 061b508e999fdc838e41ea52aa553ced470c08d3838f2892aa2e586406ff6ba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f8e48d40513238b583f92b2c48689206984f36d4dc08a8f4c307b3f8cca09c7
[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" "4f8e48d40513238b583f92b2c48689206984f36d4dc08a8f4c307b3f8cca09c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/problem_0009.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unimplemented!();
[INFO] [stdout]    |     ----------------- any code following this expression is unreachable
[INFO] [stdout] 11 |     let mut triplet: (u32, u32, u32) = (1, 2, 3);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `factorial`
[INFO] [stdout]   --> src/common.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn factorial(n: u128) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_pandigital`
[INFO] [stdout]    --> src/common.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn is_pandigital(n: u64) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smallest_multiple`
[INFO] [stdout]  --> src/problem_0005.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn smallest_multiple(n: u128) -> u128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `special_pythagorean_triplet`
[INFO] [stdout]  --> src/problem_0009.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn special_pythagorean_triplet() -> ((u32, u32, u32), u32) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `factorial_digit_sum`
[INFO] [stdout]  --> src/problem_0020.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn factorial_digit_sum(n: u128) -> u128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "4f8e48d40513238b583f92b2c48689206984f36d4dc08a8f4c307b3f8cca09c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8e48d40513238b583f92b2c48689206984f36d4dc08a8f4c307b3f8cca09c7", kill_on_drop: false }`
[INFO] [stdout] 4f8e48d40513238b583f92b2c48689206984f36d4dc08a8f4c307b3f8cca09c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce925cd602e93be340861b5886c07b74e8379db8b5bb8156b26254bf01a0cac0
[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" "ce925cd602e93be340861b5886c07b74e8379db8b5bb8156b26254bf01a0cac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/problem_0009.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unimplemented!();
[INFO] [stdout]    |     ----------------- any code following this expression is unreachable
[INFO] [stdout] 11 |     let mut triplet: (u32, u32, u32) = (1, 2, 3);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `special_pythagorean_triplet`
[INFO] [stdout]  --> src/problem_0009.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn special_pythagorean_triplet() -> ((u32, u32, u32), u32) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "ce925cd602e93be340861b5886c07b74e8379db8b5bb8156b26254bf01a0cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce925cd602e93be340861b5886c07b74e8379db8b5bb8156b26254bf01a0cac0", kill_on_drop: false }`
[INFO] [stdout] ce925cd602e93be340861b5886c07b74e8379db8b5bb8156b26254bf01a0cac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 89a83c3bb4fc81361419c08f295322012bef0e0a6e945ddea568e4745a011ced
[INFO] running `Command { std: "docker" "start" "-a" "89a83c3bb4fc81361419c08f295322012bef0e0a6e945ddea568e4745a011ced", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stdout] running 19 tests
[INFO] [stderr]   --> src/problem_0009.rs:11:5
[INFO] [stdout] test tests::collatz_sequence_t00 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::problem_10_t00 ... ok
[INFO] [stderr] 10 |     unimplemented!();
[INFO] [stdout] test tests::problem_3_t00 ... ok
[INFO] [stderr]    |     ----------------- any code following this expression is unreachable
[INFO] [stdout] test tests::is_pandigital_t00 ... ok
[INFO] [stderr] 11 |     let mut triplet: (u32, u32, u32) = (1, 2, 3);
[INFO] [stdout] test tests::is_palindrome_t00 ... ok
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] test tests::is_pandigital_t01 ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::proper_divisors_t00 ... ok
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] test tests::problem_7_t00 ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::factorial_t00 ... ok
[INFO] [stderr] warning: function is never used: `special_pythagorean_triplet`
[INFO] [stdout] test tests::factorial_t01 ... ok
[INFO] [stderr]  --> src/problem_0009.rs:9:8
[INFO] [stdout] test tests::amicable_pair_t00 ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::factorial_t02 ... ok
[INFO] [stderr] 9 | pub fn special_pythagorean_triplet() -> ((u32, u32, u32), u32) {
[INFO] [stdout] test tests::amicable_pair_t01 ... ok
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test tests::problem_8_t00 ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::problem_5_t00 ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test tests::proper_divisors_t01 ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::problem_12_t00 ... ok
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] test tests::problem_20_t00 ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::problem_6_t00 ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/project_euler-c01b773af9c8deb9
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89a83c3bb4fc81361419c08f295322012bef0e0a6e945ddea568e4745a011ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a83c3bb4fc81361419c08f295322012bef0e0a6e945ddea568e4745a011ced", kill_on_drop: false }`
[INFO] [stdout] 89a83c3bb4fc81361419c08f295322012bef0e0a6e945ddea568e4745a011ced