[INFO] fetching crate complex-stuff 1.0.0...
[INFO] testing complex-stuff-1.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate complex-stuff 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate complex-stuff 1.0.0
[INFO] finished tweaking crates.io crate complex-stuff 1.0.0
[INFO] tweaked toml for crates.io crate complex-stuff 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate complex-stuff 1.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 401bbd135095347727cafed7ab5b54d130901103e398402d0d8d2d93798f89a2
[INFO] running `Command { std: "docker" "start" "-a" "401bbd135095347727cafed7ab5b54d130901103e398402d0d8d2d93798f89a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "401bbd135095347727cafed7ab5b54d130901103e398402d0d8d2d93798f89a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401bbd135095347727cafed7ab5b54d130901103e398402d0d8d2d93798f89a2", kill_on_drop: false }`
[INFO] [stdout] 401bbd135095347727cafed7ab5b54d130901103e398402d0d8d2d93798f89a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba9ee994740638d16d38ec90a681a7bebeb9ea4cd011c9116483505188440d76
[INFO] running `Command { std: "docker" "start" "-a" "ba9ee994740638d16d38ec90a681a7bebeb9ea4cd011c9116483505188440d76", 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 0.12s
[INFO] running `Command { std: "docker" "inspect" "ba9ee994740638d16d38ec90a681a7bebeb9ea4cd011c9116483505188440d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9ee994740638d16d38ec90a681a7bebeb9ea4cd011c9116483505188440d76", kill_on_drop: false }`
[INFO] [stdout] ba9ee994740638d16d38ec90a681a7bebeb9ea4cd011c9116483505188440d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96679a9bb49227dc61a30ed47bde0c35788ea6f3bff46b570b2ef91ddab7d87a
[INFO] running `Command { std: "docker" "start" "-a" "96679a9bb49227dc61a30ed47bde0c35788ea6f3bff46b570b2ef91ddab7d87a", 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" "96679a9bb49227dc61a30ed47bde0c35788ea6f3bff46b570b2ef91ddab7d87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96679a9bb49227dc61a30ed47bde0c35788ea6f3bff46b570b2ef91ddab7d87a", kill_on_drop: false }`
[INFO] [stdout] 96679a9bb49227dc61a30ed47bde0c35788ea6f3bff46b570b2ef91ddab7d87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25386781a4f4d00d1d87fcfa240ce4e7f150d82e2c8b1464f06530f6ab1344af
[INFO] running `Command { std: "docker" "start" "-a" "25386781a4f4d00d1d87fcfa240ce4e7f150d82e2c8b1464f06530f6ab1344af", kill_on_drop: false }`
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/complex_stuff-8c7e839a084bb8e8)
[INFO] [stderr]    Doc-tests complex_stuff
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/lib.rs - Complex::cos (line 661) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::div (line 489) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::ln (line 519) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::log (line 543) ... ignored
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] test src/lib.rs - Complex::pow (line 582) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::new_imaginary (line 171) ... ok
[INFO] [stdout] test src/lib.rs - Complex::ang (line 342) ... ok
[INFO] [stdout] test src/lib.rs - Complex::root (line 621) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::sin (line 641) ... ignored
[INFO] [stdout] test src/lib.rs - Complex::opposite (line 363) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_polar (line 138) ... ok
[INFO] [stdout] test src/lib.rs - Complex::cartesian (line 254) ... ok
[INFO] [stdout] test src/lib.rs - Complex::e (line 235) ... ok
[INFO] [stdout] test src/lib.rs - Complex::im (line 306) ... ok
[INFO] [stdout] test src/lib.rs - Complex::mul (line 461) ... ok
[INFO] [stdout] test src/lib.rs - Complex::new_cartesian (line 122) ... ok
[INFO] [stdout] test src/lib.rs - Complex::mag (line 324) ... 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::new_real (line 155) ... ok
[INFO] [stdout] test src/lib.rs - Complex::i (line 219) ... ok
[INFO] [stdout] test src/lib.rs - Complex::reciprocal (line 382) ... ok
[INFO] [stdout] test src/lib.rs - Complex::zero (line 187) ... ok
[INFO] [stdout] test src/lib.rs - ComplexPolar::from_cartesian (line 91) ... ok
[INFO] [stdout] test src/lib.rs - Complex::re (line 291) ... ok
[INFO] [stdout] test src/lib.rs - Complex::add (line 409) ... ok
[INFO] [stdout] test src/lib.rs - ComplexCartesian::from_polar (line 59) ... ok
[INFO] [stdout] test src/lib.rs - Complex::sub (line 435) ... 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 1.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "25386781a4f4d00d1d87fcfa240ce4e7f150d82e2c8b1464f06530f6ab1344af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25386781a4f4d00d1d87fcfa240ce4e7f150d82e2c8b1464f06530f6ab1344af", kill_on_drop: false }`
[INFO] [stdout] 25386781a4f4d00d1d87fcfa240ce4e7f150d82e2c8b1464f06530f6ab1344af