[INFO] fetching crate rgb2spec 0.1.1...
[INFO] testing rgb2spec-0.1.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate rgb2spec 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rgb2spec 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rgb2spec 0.1.1
[INFO] tweaked toml for crates.io crate rgb2spec 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rgb2spec 0.1.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rgb2spec 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6669c6b0a6fa8334e82282489a9f0301a3a816e8a33c3aa212fa10b3867a27e
[INFO] running `Command { std: "docker" "start" "-a" "c6669c6b0a6fa8334e82282489a9f0301a3a816e8a33c3aa212fa10b3867a27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6669c6b0a6fa8334e82282489a9f0301a3a816e8a33c3aa212fa10b3867a27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6669c6b0a6fa8334e82282489a9f0301a3a816e8a33c3aa212fa10b3867a27e", kill_on_drop: false }`
[INFO] [stdout] c6669c6b0a6fa8334e82282489a9f0301a3a816e8a33c3aa212fa10b3867a27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc45e11e14a6d58eb6af0aff2ebd3c52939ea922e692be5b03de28796f88eb51
[INFO] running `Command { std: "docker" "start" "-a" "dc45e11e14a6d58eb6af0aff2ebd3c52939ea922e692be5b03de28796f88eb51", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb2spec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "dc45e11e14a6d58eb6af0aff2ebd3c52939ea922e692be5b03de28796f88eb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc45e11e14a6d58eb6af0aff2ebd3c52939ea922e692be5b03de28796f88eb51", kill_on_drop: false }`
[INFO] [stdout] dc45e11e14a6d58eb6af0aff2ebd3c52939ea922e692be5b03de28796f88eb51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 270f76277d51b76a744e6fd96a1f02c125b5522bc083f8940a2d0a392e989b25
[INFO] running `Command { std: "docker" "start" "-a" "270f76277d51b76a744e6fd96a1f02c125b5522bc083f8940a2d0a392e989b25", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb2spec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "270f76277d51b76a744e6fd96a1f02c125b5522bc083f8940a2d0a392e989b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270f76277d51b76a744e6fd96a1f02c125b5522bc083f8940a2d0a392e989b25", kill_on_drop: false }`
[INFO] [stdout] 270f76277d51b76a744e6fd96a1f02c125b5522bc083f8940a2d0a392e989b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb042b5a29806ae2adb4790eeede8ae01c96a989883dd71201f78e5f026de514
[INFO] running `Command { std: "docker" "start" "-a" "bb042b5a29806ae2adb4790eeede8ae01c96a989883dd71201f78e5f026de514", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/rgb2spec.rs (/opt/rustwide/target/debug/deps/rgb2spec-e27d114ccc459b36)
[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/optimize-cli.rs (/opt/rustwide/target/debug/deps/optimize-0655ef17e8343056)
[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 rgb2spec
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/rgb2spec.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/rgb2spec.rs - (line 12) 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/rgb2spec.rs:17:51
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_rgb2spec_rs_12_0() {
[INFO] [stdout]   |                                      --------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 8 | let rgb2spec = RGB2Spec::load("examples/out.spec")?;
[INFO] [stdout]   |                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]   |
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_rgb2spec_rs_12_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 5 | use rgb2spec::{self, RGB2Spec};
[INFO] [stdout] ...
[INFO] [stdout] 12| let reflectance = rgb2spec::eval_precise(coefficients, wavelength);
[INFO] [stdout] 13+     Ok(())
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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/rgb2spec.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb042b5a29806ae2adb4790eeede8ae01c96a989883dd71201f78e5f026de514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb042b5a29806ae2adb4790eeede8ae01c96a989883dd71201f78e5f026de514", kill_on_drop: false }`
[INFO] [stdout] bb042b5a29806ae2adb4790eeede8ae01c96a989883dd71201f78e5f026de514
