[INFO] fetching crate over-engineered-fizzbuzz 0.1.1... [INFO] testing over-engineered-fizzbuzz-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate over-engineered-fizzbuzz 0.1.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] finished tweaking crates.io crate over-engineered-fizzbuzz 0.1.1 [INFO] tweaked toml for crates.io crate over-engineered-fizzbuzz 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate over-engineered-fizzbuzz 0.1.1 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 crates.io crate over-engineered-fizzbuzz 0.1.1 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] 43bf7032ed0441ab10b2f76192c9db80e276190b43a2ca9956fb48705814f717 [INFO] running `Command { std: "docker" "start" "-a" "43bf7032ed0441ab10b2f76192c9db80e276190b43a2ca9956fb48705814f717", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43bf7032ed0441ab10b2f76192c9db80e276190b43a2ca9956fb48705814f717", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43bf7032ed0441ab10b2f76192c9db80e276190b43a2ca9956fb48705814f717", kill_on_drop: false }` [INFO] [stdout] 43bf7032ed0441ab10b2f76192c9db80e276190b43a2ca9956fb48705814f717 [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] dc77019d98b927331b533e6212ad2f35a4cf4355d43e55616745125f675cec0f [INFO] running `Command { std: "docker" "start" "-a" "dc77019d98b927331b533e6212ad2f35a4cf4355d43e55616745125f675cec0f", kill_on_drop: false }` [INFO] [stderr] Compiling over-engineered-fizzbuzz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, 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: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "dc77019d98b927331b533e6212ad2f35a4cf4355d43e55616745125f675cec0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc77019d98b927331b533e6212ad2f35a4cf4355d43e55616745125f675cec0f", kill_on_drop: false }` [INFO] [stdout] dc77019d98b927331b533e6212ad2f35a4cf4355d43e55616745125f675cec0f [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] 599d72e0002a0697e38c40174311f6753b8b10167400bb1f21f536cc24166602 [INFO] running `Command { std: "docker" "start" "-a" "599d72e0002a0697e38c40174311f6753b8b10167400bb1f21f536cc24166602", kill_on_drop: false }` [INFO] [stderr] Compiling over-engineered-fizzbuzz v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `tuple` is never used [INFO] [stdout] --> src/fizzbuzz.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl Param { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn tuple(self) -> (String, 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: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stdout] --> src/fizzbuzz.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl FizzBuzz { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fizzbuzz` is never used [INFO] [stdout] --> src/fizzbuzz.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 203 | pub trait FizzBuzzed { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "599d72e0002a0697e38c40174311f6753b8b10167400bb1f21f536cc24166602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "599d72e0002a0697e38c40174311f6753b8b10167400bb1f21f536cc24166602", kill_on_drop: false }` [INFO] [stdout] 599d72e0002a0697e38c40174311f6753b8b10167400bb1f21f536cc24166602 [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] 8121821a6d11889d45bae2a7c1e7bed7f2fe22ead002284da57a4fe682222150 [INFO] running `Command { std: "docker" "start" "-a" "8121821a6d11889d45bae2a7c1e7bed7f2fe22ead002284da57a4fe682222150", kill_on_drop: false }` [INFO] [stderr] warning: method `tuple` is never used [INFO] [stderr] --> src/fizzbuzz.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 12 | impl Param { [INFO] [stderr] | ---------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 20 | pub fn tuple(self) -> (String, i32) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `compute_iter`, `empty`, and `params` are never used [INFO] [stderr] --> src/fizzbuzz.rs:87:12 [INFO] [stderr] | [INFO] [stderr] 67 | impl FizzBuzz { [INFO] [stderr] | ------------- associated items in this implementation [INFO] [stderr] ... [INFO] [stderr] 87 | pub fn compute_iter>(&self, iter: I) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 100 | pub fn empty() -> Self { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 112 | pub fn params(&self) -> Vec<(String, i32)> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `fizzbuzz` is never used [INFO] [stderr] --> src/fizzbuzz.rs:212:8 [INFO] [stderr] | [INFO] [stderr] 203 | pub trait FizzBuzzed { [INFO] [stderr] | ---------- method in this trait [INFO] [stderr] ... [INFO] [stderr] 212 | fn fizzbuzz(self) -> FizzBuzzIter; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `over-engineered-fizzbuzz` (bin "over-engineered-fizzbuzz" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/over_engineered_fizzbuzz-48a42b0e52b3c488) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/over_engineered_fizzbuzz-50b70a8f0a7ca529) [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] [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 over_engineered_fizzbuzz [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::compute_iter (line 81) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::from (line 135) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::compute (line 70) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::compute_fizzbuzz (line 244) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::add (line 183) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzed::fizzbuzz_custom (line 215) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz (line 50) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzIter (line 273) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzed::fizzbuzz (line 205) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::add_assign (line 154) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzzIter::new (line 291) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz (line 40) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::params (line 106) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::default (line 122) ... ok [INFO] [stdout] test src/fizzbuzz.rs - fizzbuzz::FizzBuzz::empty (line 93) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8121821a6d11889d45bae2a7c1e7bed7f2fe22ead002284da57a4fe682222150", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8121821a6d11889d45bae2a7c1e7bed7f2fe22ead002284da57a4fe682222150", kill_on_drop: false }` [INFO] [stdout] 8121821a6d11889d45bae2a7c1e7bed7f2fe22ead002284da57a4fe682222150