[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 try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthrp%2Fproject-euler-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arthrp/project-euler-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-0/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66fad71f3a9b4b55fa35a1590db144aa6facfb9ec3468953a3831ed1a55775f9
[INFO] running `Command { std: "docker" "start" "-a" "66fad71f3a9b4b55fa35a1590db144aa6facfb9ec3468953a3831ed1a55775f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fad71f3a9b4b55fa35a1590db144aa6facfb9ec3468953a3831ed1a55775f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fad71f3a9b4b55fa35a1590db144aa6facfb9ec3468953a3831ed1a55775f9", kill_on_drop: false }`
[INFO] [stdout] 66fad71f3a9b4b55fa35a1590db144aa6facfb9ec3468953a3831ed1a55775f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd1ad0e32e1cf37ddd8c4d231528f13acc4f473f9e5425452a2d69c386e2db19
[INFO] running `Command { std: "docker" "start" "-a" "dd1ad0e32e1cf37ddd8c4d231528f13acc4f473f9e5425452a2d69c386e2db19", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking project-euler-rust v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating tests/euler_four_tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/euler_three_tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/euler_two_tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/euler_six_tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/euler_seven_tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/euler_five_tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/euler_one_tests.rs from 2018 edition to 2021
[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]        Fixed tests/../src/euler_7.rs (5 fixes)
[INFO] [stderr]        Fixed tests/../src/../src/math_helper.rs (1 fix)
[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: 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: 3 warnings emitted
[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: 3 warnings emitted
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking project-euler-rust v0.1.0 (/tmp/fixit)
[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: 3 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] [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: 3 warnings emitted
[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: 3 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "dd1ad0e32e1cf37ddd8c4d231528f13acc4f473f9e5425452a2d69c386e2db19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1ad0e32e1cf37ddd8c4d231528f13acc4f473f9e5425452a2d69c386e2db19", kill_on_drop: false }`
[INFO] [stdout] dd1ad0e32e1cf37ddd8c4d231528f13acc4f473f9e5425452a2d69c386e2db19