[INFO] cloning repository https://github.com/davidsilvasanmartin/euler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidsilvasanmartin/euler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsilvasanmartin%2Feuler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsilvasanmartin%2Feuler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a61b095bf46390f7db81c0e2ec1d58992c0e0f92
[INFO] checking davidsilvasanmartin/euler-rs against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsilvasanmartin%2Feuler-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/davidsilvasanmartin/euler-rs
[INFO] finished tweaking git repo https://github.com/davidsilvasanmartin/euler-rs
[INFO] tweaked toml for git repo https://github.com/davidsilvasanmartin/euler-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidsilvasanmartin/euler-rs on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davidsilvasanmartin/euler-rs 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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a03069cf77311d69811c06ba5d08de4ac7c5c5944c871e87b7c7e5c7d4564a8c
[INFO] running `Command { std: "docker" "start" "-a" "a03069cf77311d69811c06ba5d08de4ac7c5c5944c871e87b7c7e5c7d4564a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a03069cf77311d69811c06ba5d08de4ac7c5c5944c871e87b7c7e5c7d4564a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03069cf77311d69811c06ba5d08de4ac7c5c5944c871e87b7c7e5c7d4564a8c", kill_on_drop: false }`
[INFO] [stdout] a03069cf77311d69811c06ba5d08de4ac7c5c5944c871e87b7c7e5c7d4564a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56cdf7da41730cc83db76c3c6b5791508fe776ba23b92da50332b0e0eaebb33a
[INFO] running `Command { std: "docker" "start" "-a" "56cdf7da41730cc83db76c3c6b5791508fe776ba23b92da50332b0e0eaebb33a", kill_on_drop: false }`
[INFO] [stderr]     Checking euler-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `digits_sum` is never used
[INFO] [stdout]  --> src/numbers/digits_sum.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn digits_sum(num: i128) -> i128 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial` is never used
[INFO] [stdout]   --> src/numbers/factorial.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn factorial(n: u128) -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]  --> src/numbers/sqrt.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn sqrt(n: &BigUint) -> u32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `biguint_to_i128` is never used
[INFO] [stdout]   --> src/numbers/type_conversions.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn biguint_to_i128(num: &BigUint) -> i128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]  --> src/primes/is_prime.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn is_prime(n: &BigUint) -> bool {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIMES_STR` is never used
[INFO] [stdout]  --> src/primes/sieve.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const PRIMES_STR: &str = include_str!("./primes.txt");
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_trial_division_start` is never used
[INFO] [stdout]   --> src/primes/sieve.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_trial_division_start() -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `I128` is never constructed
[INFO] [stdout]   --> src/problems/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum ProblemResult {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 11 |     I128(i128),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProblemResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]  --> src/numbers/sqrt.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn sqrt(n: &BigUint) -> u32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_trial_division_start` is never used
[INFO] [stdout]   --> src/primes/sieve.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn get_trial_division_start() -> BigUint {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `I128` is never constructed
[INFO] [stdout]   --> src/problems/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum ProblemResult {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] 11 |     I128(i128),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProblemResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "56cdf7da41730cc83db76c3c6b5791508fe776ba23b92da50332b0e0eaebb33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cdf7da41730cc83db76c3c6b5791508fe776ba23b92da50332b0e0eaebb33a", kill_on_drop: false }`
[INFO] [stdout] 56cdf7da41730cc83db76c3c6b5791508fe776ba23b92da50332b0e0eaebb33a