[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 1.90.0 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jon5th5n/complex-stuff on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a53132cfbb4555aeaa9cfcfe6022a4edbb83e519c1653587973b1331261cb31
[INFO] running `Command { std: "docker" "start" "-a" "4a53132cfbb4555aeaa9cfcfe6022a4edbb83e519c1653587973b1331261cb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a53132cfbb4555aeaa9cfcfe6022a4edbb83e519c1653587973b1331261cb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a53132cfbb4555aeaa9cfcfe6022a4edbb83e519c1653587973b1331261cb31", kill_on_drop: false }`
[INFO] [stdout] 4a53132cfbb4555aeaa9cfcfe6022a4edbb83e519c1653587973b1331261cb31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e64960b93040583c04b312add2913455bc072a1bdb0bbb955136381b32fc3649
[INFO] running `Command { std: "docker" "start" "-a" "e64960b93040583c04b312add2913455bc072a1bdb0bbb955136381b32fc3649", 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 0.26s
[INFO] running `Command { std: "docker" "inspect" "e64960b93040583c04b312add2913455bc072a1bdb0bbb955136381b32fc3649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64960b93040583c04b312add2913455bc072a1bdb0bbb955136381b32fc3649", kill_on_drop: false }`
[INFO] [stdout] e64960b93040583c04b312add2913455bc072a1bdb0bbb955136381b32fc3649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44a958c3f9238c2c0317e03ad0d95c18591047aa82d4dec25ded146cefee79c6
[INFO] running `Command { std: "docker" "start" "-a" "44a958c3f9238c2c0317e03ad0d95c18591047aa82d4dec25ded146cefee79c6", 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 0.26s
[INFO] running `Command { std: "docker" "inspect" "44a958c3f9238c2c0317e03ad0d95c18591047aa82d4dec25ded146cefee79c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a958c3f9238c2c0317e03ad0d95c18591047aa82d4dec25ded146cefee79c6", kill_on_drop: false }`
[INFO] [stdout] 44a958c3f9238c2c0317e03ad0d95c18591047aa82d4dec25ded146cefee79c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8749b740197cd36e3750ba875b2a27799546cbbb1588ab28da005294ec1917d3
[INFO] running `Command { std: "docker" "start" "-a" "8749b740197cd36e3750ba875b2a27799546cbbb1588ab28da005294ec1917d3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/complex_stuff-ee86837c2b1bd216)
[INFO] [stderr]    Doc-tests complex_stuff
[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] [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::add (line 419) ... ok
[INFO] [stdout] test src/lib.rs - Complex::cartesian (line 254) ... ok
[INFO] [stdout] test src/lib.rs - Complex::i (line 219) ... ok
[INFO] [stdout] test src/lib.rs - Complex::ang (line 342) ... ok
[INFO] [stdout] test src/lib.rs - Complex::im (line 306) ... ok
[INFO] [stdout] test src/lib.rs - Complex::mag (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Complex::mul (line 471) ... ok
[INFO] [stdout] test src/lib.rs - Complex::e (line 235) ... ok
[INFO] [stdout] test src/lib.rs - Complex::pow (line 592) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::new_cartesian (line 122) ... ok
[INFO] [stdout] test src/lib.rs - Complex::one (line 203) ... 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::opposite (line 363) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_imaginary (line 171) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_real (line 155) ... ok
[INFO] [stdout] test src/lib.rs - Complex::polar (line 272) ... ok
[INFO] [stdout] test src/lib.rs - Complex::sub (line 445) ... ok
[INFO] [stdout] test src/lib.rs - Complex::zero (line 187) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_polar (line 138) ... ok
[INFO] [stdout] test src/lib.rs - Complex::re (line 291) ... ok
[INFO] [stdout] test src/lib.rs - ComplexCartesian::from_polar (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Complex::reciprocal (line 383) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - ComplexPolar::from_cartesian (line 91) ... 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 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8749b740197cd36e3750ba875b2a27799546cbbb1588ab28da005294ec1917d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8749b740197cd36e3750ba875b2a27799546cbbb1588ab28da005294ec1917d3", kill_on_drop: false }`
[INFO] [stdout] 8749b740197cd36e3750ba875b2a27799546cbbb1588ab28da005294ec1917d3