[INFO] cloning repository https://github.com/lorien/euler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lorien/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florien%2Feuler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florien%2Feuler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 473e1a4ff8e946f5842c3a2e197079e923f07529 [INFO] testing lorien/euler against beta-2025-09-21 for beta-1.91-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Florien%2Feuler" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lorien/euler [INFO] finished tweaking git repo https://github.com/lorien/euler [INFO] tweaked toml for git repo https://github.com/lorien/euler written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lorien/euler on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lorien/euler 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff84d27598bd340e399db1a15c64deb146c2c0124ca50965f647240d5148ce76 [INFO] running `Command { std: "docker" "start" "-a" "ff84d27598bd340e399db1a15c64deb146c2c0124ca50965f647240d5148ce76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff84d27598bd340e399db1a15c64deb146c2c0124ca50965f647240d5148ce76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff84d27598bd340e399db1a15c64deb146c2c0124ca50965f647240d5148ce76", kill_on_drop: false }` [INFO] [stdout] ff84d27598bd340e399db1a15c64deb146c2c0124ca50965f647240d5148ce76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47ac130fb491b532ba4bb613efec78f007df9ce0e0e051c5d72b75d72bf6b2f5 [INFO] running `Command { std: "docker" "start" "-a" "47ac130fb491b532ba4bb613efec78f007df9ce0e0e051c5d72b75d72bf6b2f5", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling indexmap v2.8.0 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling serde_yaml v0.9.34+deprecated [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.04s [INFO] running `Command { std: "docker" "inspect" "47ac130fb491b532ba4bb613efec78f007df9ce0e0e051c5d72b75d72bf6b2f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47ac130fb491b532ba4bb613efec78f007df9ce0e0e051c5d72b75d72bf6b2f5", kill_on_drop: false }` [INFO] [stdout] 47ac130fb491b532ba4bb613efec78f007df9ce0e0e051c5d72b75d72bf6b2f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a17d504322f40bcc7eac814f50272f1abb45dabc42b81e8c04ea1d2193d28509 [INFO] running `Command { std: "docker" "start" "-a" "a17d504322f40bcc7eac814f50272f1abb45dabc42b81e8c04ea1d2193d28509", kill_on_drop: false }` [INFO] [stderr] Compiling euler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> examples/problem23.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | for idx in 0..limit + 1 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> examples/problem23.rs:55:15 [INFO] [stdout] | [INFO] [stdout] 55 | for (idx, item) in non_sum.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print` is never used [INFO] [stdout] --> examples/problem23.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn print(num: i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> examples/problem19.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut day = 1; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/problem19.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut day = 1; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `power` [INFO] [stdout] --> examples/problem16.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | for power in 2..=1000 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_power` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `limit` should have an upper case name [INFO] [stdout] --> examples/problem10.rs:36:11 [INFO] [stdout] | [INFO] [stdout] 36 | const limit: i64 = TARGET; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] help: convert the identifier to upper case [INFO] [stdout] | [INFO] [stdout] 36 - const limit: i64 = TARGET; [INFO] [stdout] 36 + const LIMIT: i64 = TARGET; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add` is never used [INFO] [stdout] --> examples/problem20.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn add(num1: &Vec, num2: &Vec) -> Vec { [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 `mult` is never used [INFO] [stdout] --> examples/problem20.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn mult(num1: &Vec, num2: &Vec) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `max_product` is never read [INFO] [stdout] --> examples/problem11.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | max_product = product; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> examples/problem17.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | if (num % 10 == 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 44 - if (num % 10 == 0) { [INFO] [stdout] 44 + if num % 10 == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "a17d504322f40bcc7eac814f50272f1abb45dabc42b81e8c04ea1d2193d28509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a17d504322f40bcc7eac814f50272f1abb45dabc42b81e8c04ea1d2193d28509", kill_on_drop: false }` [INFO] [stdout] a17d504322f40bcc7eac814f50272f1abb45dabc42b81e8c04ea1d2193d28509 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 585ed216b3ff999c62bb69e53e6dfcbf124553b3334628071045d59fd424098d [INFO] running `Command { std: "docker" "start" "-a" "585ed216b3ff999c62bb69e53e6dfcbf124553b3334628071045d59fd424098d", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `day` [INFO] [stderr] --> examples/problem19.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut day = 1; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/problem19.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut day = 1; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: constant `limit` should have an upper case name [INFO] [stderr] --> examples/problem10.rs:36:11 [INFO] [stderr] | [INFO] [stderr] 36 | const limit: i64 = TARGET; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] help: convert the identifier to upper case [INFO] [stderr] | [INFO] [stderr] 36 - const limit: i64 = TARGET; [INFO] [stderr] 36 + const LIMIT: i64 = TARGET; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: value assigned to `max_product` is never read [INFO] [stderr] --> examples/problem11.rs:132:13 [INFO] [stderr] | [INFO] [stderr] 132 | max_product = product; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `euler` (example "problem19") generated 2 warnings (run `cargo fix --example "problem19"` to apply 1 suggestion) [INFO] [stderr] warning: `euler` (example "problem10") generated 1 warning (run `cargo fix --example "problem10"` to apply 1 suggestion) [INFO] [stderr] warning: `euler` (example "problem11") generated 1 warning [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> examples/problem17.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | if (num % 10 == 0) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 44 - if (num % 10 == 0) { [INFO] [stderr] 44 + if num % 10 == 0 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> examples/problem23.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | for idx in 0..limit + 1 { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item` [INFO] [stderr] --> examples/problem23.rs:55:15 [INFO] [stderr] | [INFO] [stderr] 55 | for (idx, item) in non_sum.iter().enumerate() { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stderr] [INFO] [stderr] warning: function `print` is never used [INFO] [stderr] --> examples/problem23.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn print(num: i32) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `power` [INFO] [stderr] --> examples/problem16.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | for power in 2..=1000 { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_power` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `add` is never used [INFO] [stderr] --> examples/problem20.rs:13:4 [INFO] [stderr] | [INFO] [stderr] 13 | fn add(num1: &Vec, num2: &Vec) -> Vec { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `mult` is never used [INFO] [stderr] --> examples/problem20.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn mult(num1: &Vec, num2: &Vec) -> Vec { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `euler` (example "problem17") generated 1 warning (run `cargo fix --example "problem17"` to apply 1 suggestion) [INFO] [stderr] warning: `euler` (example "problem23") generated 3 warnings [INFO] [stderr] warning: `euler` (example "problem16") generated 1 warning [INFO] [stderr] warning: `euler` (example "problem20") generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/euler-c036451e79d556d4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests euler [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "585ed216b3ff999c62bb69e53e6dfcbf124553b3334628071045d59fd424098d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "585ed216b3ff999c62bb69e53e6dfcbf124553b3334628071045d59fd424098d", kill_on_drop: false }` [INFO] [stdout] 585ed216b3ff999c62bb69e53e6dfcbf124553b3334628071045d59fd424098d