[INFO] cloning repository https://github.com/jon5th5n/complex-stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jon5th5n/complex-stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjon5th5n%2Fcomplex-stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjon5th5n%2Fcomplex-stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 070a41d3ade022d96e94b057b8263e744f6df71f
[INFO] testing jon5th5n/complex-stuff 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%2Fjon5th5n%2Fcomplex-stuff" "/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/jon5th5n/complex-stuff
[INFO] finished tweaking git repo https://github.com/jon5th5n/complex-stuff
[INFO] tweaked toml for git repo https://github.com/jon5th5n/complex-stuff written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jon5th5n/complex-stuff 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/jon5th5n/complex-stuff 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] 29dcac99d234b232d47096acb6ffb3729ed0cbd496bddc6efdb539894edd4bcd
[INFO] running `Command { std: "docker" "start" "-a" "29dcac99d234b232d47096acb6ffb3729ed0cbd496bddc6efdb539894edd4bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29dcac99d234b232d47096acb6ffb3729ed0cbd496bddc6efdb539894edd4bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dcac99d234b232d47096acb6ffb3729ed0cbd496bddc6efdb539894edd4bcd", kill_on_drop: false }`
[INFO] [stdout] 29dcac99d234b232d47096acb6ffb3729ed0cbd496bddc6efdb539894edd4bcd
[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] a2a5aef65546c5d9677f35bd909ce81ce6bb2687e5edcbd4d61f3465a9c1b1da
[INFO] running `Command { std: "docker" "start" "-a" "a2a5aef65546c5d9677f35bd909ce81ce6bb2687e5edcbd4d61f3465a9c1b1da", kill_on_drop: false }`
[INFO] [stderr]    Compiling complex-stuff v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a2a5aef65546c5d9677f35bd909ce81ce6bb2687e5edcbd4d61f3465a9c1b1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a5aef65546c5d9677f35bd909ce81ce6bb2687e5edcbd4d61f3465a9c1b1da", kill_on_drop: false }`
[INFO] [stdout] a2a5aef65546c5d9677f35bd909ce81ce6bb2687e5edcbd4d61f3465a9c1b1da
[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] 565eee5e63fdba9627dc633a060fd600842dcff1e5412f1f3e9d62ed0a4105c0
[INFO] running `Command { std: "docker" "start" "-a" "565eee5e63fdba9627dc633a060fd600842dcff1e5412f1f3e9d62ed0a4105c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling complex-stuff v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "565eee5e63fdba9627dc633a060fd600842dcff1e5412f1f3e9d62ed0a4105c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565eee5e63fdba9627dc633a060fd600842dcff1e5412f1f3e9d62ed0a4105c0", kill_on_drop: false }`
[INFO] [stdout] 565eee5e63fdba9627dc633a060fd600842dcff1e5412f1f3e9d62ed0a4105c0
[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] ff70c26a322cd3f08f3e67e45eea783ff6a337a389f127b986b7cf71c8f2fa58
[INFO] running `Command { std: "docker" "start" "-a" "ff70c26a322cd3f08f3e67e45eea783ff6a337a389f127b986b7cf71c8f2fa58", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/complex_stuff-5beca0157ec742e3)
[INFO] [stderr]    Doc-tests complex_stuff
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - Complex::cos (line 690) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::div (line 499) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::ln (line 529) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::log (line 553) ... ignored
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - Complex::im (line 306) ... ok
[INFO] [stdout] test src/lib.rs - Complex::e (line 235) ... ok
[INFO] [stdout] test src/lib.rs - Complex::add (line 419) ... ok
[INFO] [stdout] test src/lib.rs - Complex::mag (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Complex::cartesian (line 254) ... ok
[INFO] [stdout] test src/lib.rs - Complex::mul (line 471) ... ok
[INFO] [stdout] test src/lib.rs - Complex::i (line 219) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_cartesian (line 122) ... ok
[INFO] [stdout] test src/lib.rs - Complex::pow (line 592) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::ang (line 342) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_imaginary (line 171) ... ok
[INFO] [stdout] test src/lib.rs - Complex::root (line 631) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::sin (line 670) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::new_real (line 155) ... ok
[INFO] [stdout] test src/lib.rs - Complex::re (line 291) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_polar (line 138) ... ok
[INFO] [stdout] test src/lib.rs - Complex::one (line 203) ... ok
[INFO] [stdout] test src/lib.rs - Complex::polar (line 272) ... ok
[INFO] [stdout] test src/lib.rs - Complex::opposite (line 363) ... ok
[INFO] [stdout] test src/lib.rs - ComplexPolar::from_cartesian (line 91) ... ok
[INFO] [stdout] test src/lib.rs - Complex::reciprocal (line 383) ... ok
[INFO] [stdout] test src/lib.rs - ComplexCartesian::from_polar (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Complex::zero (line 187) ... ok
[INFO] [stdout] test src/lib.rs - Complex::sub (line 445) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() {
[INFO] [stdout]    | --------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 22 |     let quot = (c1 / c2)?;
[INFO] [stdout]    |                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() {
[INFO] [stdout]    | --------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 24 |     let sqr = c1.pow(Complex::new_real(2.0))?;
[INFO] [stdout]    |                                             ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() {
[INFO] [stdout]    | --------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 25 |     let sqrt = c1.root(Complex::new_real(2.0))?;
[INFO] [stdout]    |                                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:30:48
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() {
[INFO] [stdout]    | --------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 27 |     let log10 = c1.log(Complex::new_real(10.0))?;
[INFO] [stdout]    |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() {
[INFO] [stdout]    | --------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 29 |     let sin = c1.sin()?;
[INFO] [stdout]    |                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() {
[INFO] [stdout]    | --------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 30 |     let cos = c1.cos()?;
[INFO] [stdout]    |                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 1 failed; 7 ignored; 0 measured; 0 filtered out; finished in 1.50s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ff70c26a322cd3f08f3e67e45eea783ff6a337a389f127b986b7cf71c8f2fa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff70c26a322cd3f08f3e67e45eea783ff6a337a389f127b986b7cf71c8f2fa58", kill_on_drop: false }`
[INFO] [stdout] ff70c26a322cd3f08f3e67e45eea783ff6a337a389f127b986b7cf71c8f2fa58