[INFO] cloning repository https://github.com/arthrp/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthrp/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthrp%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthrp%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adaaa66bd5c6a6d5caec3d081a5bb57938383294
[INFO] checking arthrp/project-euler-rust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthrp%2Fproject-euler-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arthrp/project-euler-rust on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arthrp/project-euler-rust
[INFO] finished tweaking git repo https://github.com/arthrp/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/arthrp/project-euler-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/arthrp/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0be2d6e5ae19d2d0442854d38ab567e187e58d8a0cdd5d300c62bea5d2a1c972
[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" "0be2d6e5ae19d2d0442854d38ab567e187e58d8a0cdd5d300c62bea5d2a1c972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0be2d6e5ae19d2d0442854d38ab567e187e58d8a0cdd5d300c62bea5d2a1c972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be2d6e5ae19d2d0442854d38ab567e187e58d8a0cdd5d300c62bea5d2a1c972", kill_on_drop: false }`
[INFO] [stdout] 0be2d6e5ae19d2d0442854d38ab567e187e58d8a0cdd5d300c62bea5d2a1c972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f0126a7bedba3a25a21661e064100a56f73f5859cfef7b9f4f321bcf029869e
[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" "6f0126a7bedba3a25a21661e064100a56f73f5859cfef7b9f4f321bcf029869e", kill_on_drop: false }`
[INFO] [stderr]     Checking project-euler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/euler_7.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..max {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greatest_common_divisor`
[INFO] [stdout]  --> src/../src/math_helper.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn greatest_common_divisor(x1: i128, x2: i128) -> i128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lowest_common_multiple`
[INFO] [stdout]  --> src/../src/math_helper.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lowest_common_multiple(x1: i128, x2: i128) -> i128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_prime`
[INFO] [stdout]  --> src/../src/math_helper.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn is_prime(num: i128) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> tests/../src/../src/math_helper.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if(num % i == 0){
[INFO] [stdout]    |           ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -         if(num % i == 0){
[INFO] [stdout] 12 +         if num % i == 0 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> tests/../src/euler_7.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |     while(p*p < max){
[INFO] [stdout]    |          ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -     while(p*p < max){
[INFO] [stdout] 23 +     while p*p < max {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> tests/../src/euler_7.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if(is_prime[p as usize]){
[INFO] [stdout]    |           ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         if(is_prime[p as usize]){
[INFO] [stdout] 24 +         if is_prime[p as usize] {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> tests/../src/euler_7.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |             while(i < max){
[INFO] [stdout]    |                  ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 26 -             while(i < max){
[INFO] [stdout] 26 +             while i < max {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> tests/../src/euler_7.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |         if(is_prime[i as usize]){
[INFO] [stdout]    |           ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         if(is_prime[i as usize]){
[INFO] [stdout] 36 +         if is_prime[i as usize] {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_prime`
[INFO] [stdout]  --> tests/../src/../src/math_helper.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn is_prime(num: i128) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tests/../src/euler_7.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..max {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/euler_7.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..max {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greatest_common_divisor`
[INFO] [stdout]  --> src/../src/math_helper.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn greatest_common_divisor(x1: i128, x2: i128) -> i128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lowest_common_multiple`
[INFO] [stdout]  --> src/../src/math_helper.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lowest_common_multiple(x1: i128, x2: i128) -> i128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_prime`
[INFO] [stdout]  --> src/../src/math_helper.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn is_prime(num: i128) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greatest_common_divisor`
[INFO] [stdout]  --> tests/../src/../src/math_helper.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn greatest_common_divisor(x1: i128, x2: i128) -> i128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lowest_common_multiple`
[INFO] [stdout]  --> tests/../src/../src/math_helper.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lowest_common_multiple(x1: i128, x2: i128) -> i128 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_prime`
[INFO] [stdout]  --> tests/../src/../src/math_helper.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn is_prime(num: i128) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lowest_common_multiple`
[INFO] [stdout]  --> tests/../src/math_helper.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lowest_common_multiple(x1: i128, x2: i128) -> i128 {
[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_prime`
[INFO] [stdout]  --> tests/../src/math_helper.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn is_prime(num: i128) -> bool {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "6f0126a7bedba3a25a21661e064100a56f73f5859cfef7b9f4f321bcf029869e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0126a7bedba3a25a21661e064100a56f73f5859cfef7b9f4f321bcf029869e", kill_on_drop: false }`
[INFO] [stdout] 6f0126a7bedba3a25a21661e064100a56f73f5859cfef7b9f4f321bcf029869e