[INFO] cloning repository https://github.com/rsarwas/learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rsarwas/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8fdd003d5cfeb0ae65b8023967da6676a95cf2cd [INFO] testing rsarwas/learn-rust against beta-2025-10-28 for beta-1.92-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frsarwas%2Flearn-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rsarwas/learn-rust [INFO] finished tweaking git repo https://github.com/rsarwas/learn-rust [INFO] tweaked toml for git repo https://github.com/rsarwas/learn-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rsarwas/learn-rust on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rsarwas/learn-rust 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a63d757899eedac8f9b44f9c207e28358acf354d16a8e972d7f2cea99f5a8719 [INFO] running `Command { std: "docker" "start" "-a" "a63d757899eedac8f9b44f9c207e28358acf354d16a8e972d7f2cea99f5a8719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a63d757899eedac8f9b44f9c207e28358acf354d16a8e972d7f2cea99f5a8719", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a63d757899eedac8f9b44f9c207e28358acf354d16a8e972d7f2cea99f5a8719", kill_on_drop: false }` [INFO] [stdout] a63d757899eedac8f9b44f9c207e28358acf354d16a8e972d7f2cea99f5a8719 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e652ed854bd20eb1d8ed8e511d3b00f13758455d60a275b285d9f0c8d2039bf [INFO] running `Command { std: "docker" "start" "-a" "1e652ed854bd20eb1d8ed8e511d3b00f13758455d60a275b285d9f0c8d2039bf", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling hamming v0.1.3 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling primal-estimate v0.3.1 [INFO] [stderr] Compiling primal-bit v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling primal-sieve v0.3.1 [INFO] [stderr] Compiling primal-check v0.3.1 [INFO] [stderr] Compiling primal v0.3.0 [INFO] [stderr] Compiling learn-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `unused` [INFO] [stdout] --> src/euler/math.rs:28:7 [INFO] [stdout] | [INFO] [stdout] 28 | #[cfg(unused)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.93s [INFO] running `Command { std: "docker" "inspect" "1e652ed854bd20eb1d8ed8e511d3b00f13758455d60a275b285d9f0c8d2039bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e652ed854bd20eb1d8ed8e511d3b00f13758455d60a275b285d9f0c8d2039bf", kill_on_drop: false }` [INFO] [stdout] 1e652ed854bd20eb1d8ed8e511d3b00f13758455d60a275b285d9f0c8d2039bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15515a3bfd2c4c99f059d42d6514683efcfe70160be4d7edb129897e6e870158 [INFO] running `Command { std: "docker" "start" "-a" "15515a3bfd2c4c99f059d42d6514683efcfe70160be4d7edb129897e6e870158", kill_on_drop: false }` [INFO] [stderr] Compiling learn-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `unused` [INFO] [stdout] --> src/euler/math.rs:28:7 [INFO] [stdout] | [INFO] [stdout] 28 | #[cfg(unused)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "15515a3bfd2c4c99f059d42d6514683efcfe70160be4d7edb129897e6e870158", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15515a3bfd2c4c99f059d42d6514683efcfe70160be4d7edb129897e6e870158", kill_on_drop: false }` [INFO] [stdout] 15515a3bfd2c4c99f059d42d6514683efcfe70160be4d7edb129897e6e870158 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 70d5845a09c4abb7ce154b192b7a18cc93320395fd3a21c7d6f03424feebd972 [INFO] running `Command { std: "docker" "start" "-a" "70d5845a09c4abb7ce154b192b7a18cc93320395fd3a21c7d6f03424feebd972", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `unused` [INFO] [stderr] --> src/euler/math.rs:28:7 [INFO] [stderr] | [INFO] [stderr] 28 | #[cfg(unused)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(unused)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(unused)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `learn-rust` (bin "learn-rust" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-c294a3417dcf13d8) [INFO] [stdout] [INFO] [stdout] running 50 tests [INFO] [stdout] test euler::math::tests::polytopic_number_test ... ok [INFO] [stdout] test euler::problem001::tests::test_1_iterator ... ok [INFO] [stdout] test euler::problem001::tests::test_loop ... ok [INFO] [stdout] test euler::problem001::tests::test_3_iterators ... ok [INFO] [stdout] test euler::problem002::tests::test_iterator ... ok [INFO] [stdout] test euler::problem002::tests::test_loop ... ok [INFO] [stdout] test euler::problem002::tests::test_vector ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_11a ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_13195 ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_13195a ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_27 ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_27a ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_6 ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_6a ... ok [INFO] [stdout] test euler::problem004::tests::test_is_divisible_by_3digits ... ok [INFO] [stdout] test euler::problem004::tests::test_number_of_digits_1 ... ok [INFO] [stdout] test euler::problem004::tests::test_number_of_digits_6 ... ok [INFO] [stdout] test euler::problem003::tests::gpf_of_11 ... ok [INFO] [stdout] test euler::problem004::tests::test_is_not_divisible_by_3digits ... ok [INFO] [stdout] test euler::problem005::tests::test_sample ... ok [INFO] [stdout] test euler::problem004::tests::test_is_divisible_by_2digits ... ok [INFO] [stdout] test euler::problem006::tests::test_sample ... ok [INFO] [stdout] test euler::problem004::tests::test_palindrome ... ok [INFO] [stdout] test euler::problem113::tests::non_bouncy_test_6 ... ok [INFO] [stdout] test euler::problem113::tests::non_bouncy_test_10 ... ok [INFO] [stdout] test euler::problem004::tests::test_reverse_number ... ok [INFO] [stdout] test euler::problem005::tests::test_sample_opt3 ... ok [INFO] [stdout] test euler::problem005::tests::test_sample_opt2 ... ok [INFO] [stdout] test euler::problem001::tests::test_2_iterators ... ok [INFO] [stdout] test euler::problem119::tests::option1_test2 ... ok [INFO] [stdout] test euler::problem107::tests::test_start_weight_sample ... ok [INFO] [stdout] test euler::problem113::tests::non_bouncy_test_2 ... ok [INFO] [stdout] test euler::problem119::tests::sum_of_digits_test1 ... ok [INFO] [stdout] test euler::problem119::tests::sum_of_digits_test2 ... ok [INFO] [stdout] test euler::problem179::tests::divisor_count_test1 ... ok [INFO] [stdout] test euler::problem345::tests::matrix_sum_test ... ok [INFO] [stdout] test euler::problem108::tests::test_sample ... ok [INFO] [stdout] test euler::problem139::tests::sum_of_digits_test1 ... ok [INFO] [stdout] test euler::problem004::tests::test_sample ... ok [INFO] [stdout] test euler::problem119::tests::option1_test1 ... ok [INFO] [stdout] test euler::problem119::tests::sum_of_digits_test3 ... ok [INFO] [stdout] test euler::problem757::tests::test_10e2 ... ok [INFO] [stdout] test euler::problem357::tests::non_bouncy_test_2 ... ok [INFO] [stdout] test euler::problem107::tests::test_min_weight_sample ... ok [INFO] [stdout] test euler::problem757::tests::test_10e3 ... ok [INFO] [stdout] test euler::problem004::tests::test_is_not_divisible_by_2digits ... ok [INFO] [stdout] test euler::problem757::tests::test_10e6 ... ok [INFO] [stdout] test euler::problem757::tests::test_10e4 ... ok [INFO] [stdout] test euler::problem123::tests::prime_square_remainders_test1 ... ok [INFO] [stdout] test euler::problem203::tests::square_free_pascal_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "70d5845a09c4abb7ce154b192b7a18cc93320395fd3a21c7d6f03424feebd972", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70d5845a09c4abb7ce154b192b7a18cc93320395fd3a21c7d6f03424feebd972", kill_on_drop: false }` [INFO] [stdout] 70d5845a09c4abb7ce154b192b7a18cc93320395fd3a21c7d6f03424feebd972