[INFO] cloning repository https://github.com/nbvdkamp/rgb2spec-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbvdkamp/rgb2spec-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbvdkamp%2Frgb2spec-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbvdkamp%2Frgb2spec-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f11c9c9cacb8509deee8b389db176b45fcb92a4
[INFO] testing nbvdkamp/rgb2spec-rs against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbvdkamp%2Frgb2spec-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nbvdkamp/rgb2spec-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/nbvdkamp/rgb2spec-rs
[INFO] tweaked toml for git repo https://github.com/nbvdkamp/rgb2spec-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nbvdkamp/rgb2spec-rs on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nbvdkamp/rgb2spec-rs 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0efe90dd2d8bd512a258886f5638d0e2abf4c770cf1e4f846e89cbe506d23d4
[INFO] running `Command { std: "docker" "start" "-a" "b0efe90dd2d8bd512a258886f5638d0e2abf4c770cf1e4f846e89cbe506d23d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0efe90dd2d8bd512a258886f5638d0e2abf4c770cf1e4f846e89cbe506d23d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0efe90dd2d8bd512a258886f5638d0e2abf4c770cf1e4f846e89cbe506d23d4", kill_on_drop: false }`
[INFO] [stdout] b0efe90dd2d8bd512a258886f5638d0e2abf4c770cf1e4f846e89cbe506d23d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3fdb9c117f0a6f0a42b7b1978b65fd60db162ad6664e975a16d8cb5990b61aa
[INFO] running `Command { std: "docker" "start" "-a" "a3fdb9c117f0a6f0a42b7b1978b65fd60db162ad6664e975a16d8cb5990b61aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb2spec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a3fdb9c117f0a6f0a42b7b1978b65fd60db162ad6664e975a16d8cb5990b61aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fdb9c117f0a6f0a42b7b1978b65fd60db162ad6664e975a16d8cb5990b61aa", kill_on_drop: false }`
[INFO] [stdout] a3fdb9c117f0a6f0a42b7b1978b65fd60db162ad6664e975a16d8cb5990b61aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c507915c1702bb283cfa1c0a8c485c01adf343f16b75856494541f33e1397a92
[INFO] running `Command { std: "docker" "start" "-a" "c507915c1702bb283cfa1c0a8c485c01adf343f16b75856494541f33e1397a92", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgb2spec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c507915c1702bb283cfa1c0a8c485c01adf343f16b75856494541f33e1397a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c507915c1702bb283cfa1c0a8c485c01adf343f16b75856494541f33e1397a92", kill_on_drop: false }`
[INFO] [stdout] c507915c1702bb283cfa1c0a8c485c01adf343f16b75856494541f33e1397a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71ede7be8b157aaaad1c5efd8c4bbc4245f72aae17d8242a7d8553a9b9271328
[INFO] running `Command { std: "docker" "start" "-a" "71ede7be8b157aaaad1c5efd8c4bbc4245f72aae17d8242a7d8553a9b9271328", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/rgb2spec.rs (/opt/rustwide/target/debug/deps/rgb2spec-3f1e1e0ad3966472)
[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-64d18dbb63345139)
[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] 13 | 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] 17 | 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] [stdout] 13 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_rgb2spec_rs_12_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 14 | use rgb2spec::{self, RGB2Spec};
[INFO] [stdout] ...
[INFO] [stdout] 21 | let reflectance = rgb2spec::eval_precise(coefficients, wavelength);
[INFO] [stdout] 22 +     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 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "71ede7be8b157aaaad1c5efd8c4bbc4245f72aae17d8242a7d8553a9b9271328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ede7be8b157aaaad1c5efd8c4bbc4245f72aae17d8242a7d8553a9b9271328", kill_on_drop: false }`
[INFO] [stdout] 71ede7be8b157aaaad1c5efd8c4bbc4245f72aae17d8242a7d8553a9b9271328
