[INFO] fetching crate rgb2spec 0.1.1... [INFO] testing rgb2spec-0.1.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate rgb2spec 0.1.1 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rgb2spec 0.1.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6e0fec4ef5dda4bc4c52c94f11131d187f49d96ce5c719bbb23776a0d626d1a [INFO] running `Command { std: "docker" "start" "-a" "b6e0fec4ef5dda4bc4c52c94f11131d187f49d96ce5c719bbb23776a0d626d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6e0fec4ef5dda4bc4c52c94f11131d187f49d96ce5c719bbb23776a0d626d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6e0fec4ef5dda4bc4c52c94f11131d187f49d96ce5c719bbb23776a0d626d1a", kill_on_drop: false }` [INFO] [stdout] b6e0fec4ef5dda4bc4c52c94f11131d187f49d96ce5c719bbb23776a0d626d1a [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79c76bee2a7dc31c74642a0f82bc65583f07351985d6412350ad748f18a4161f [INFO] running `Command { std: "docker" "start" "-a" "79c76bee2a7dc31c74642a0f82bc65583f07351985d6412350ad748f18a4161f", kill_on_drop: false }` [INFO] [stderr] Compiling rgb2spec v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "79c76bee2a7dc31c74642a0f82bc65583f07351985d6412350ad748f18a4161f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79c76bee2a7dc31c74642a0f82bc65583f07351985d6412350ad748f18a4161f", kill_on_drop: false }` [INFO] [stdout] 79c76bee2a7dc31c74642a0f82bc65583f07351985d6412350ad748f18a4161f [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f061dd38c63963a87760c2d0889ce2bc135cc0ea0180eb9b80958f2fab797052 [INFO] running `Command { std: "docker" "start" "-a" "f061dd38c63963a87760c2d0889ce2bc135cc0ea0180eb9b80958f2fab797052", kill_on_drop: false }` [INFO] [stderr] Compiling rgb2spec v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "f061dd38c63963a87760c2d0889ce2bc135cc0ea0180eb9b80958f2fab797052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f061dd38c63963a87760c2d0889ce2bc135cc0ea0180eb9b80958f2fab797052", kill_on_drop: false }` [INFO] [stdout] f061dd38c63963a87760c2d0889ce2bc135cc0ea0180eb9b80958f2fab797052 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4eb201c3d9b34222fb89406cee539893df5b6ba0576c2ab2beb43653aa255bee [INFO] running `Command { std: "docker" "start" "-a" "4eb201c3d9b34222fb89406cee539893df5b6ba0576c2ab2beb43653aa255bee", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [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-70ae88687ca76a87) [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] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_rgb2spec_rs_12_0() -> Result<(), Box> { [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 0.09s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "4eb201c3d9b34222fb89406cee539893df5b6ba0576c2ab2beb43653aa255bee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4eb201c3d9b34222fb89406cee539893df5b6ba0576c2ab2beb43653aa255bee", kill_on_drop: false }` [INFO] [stdout] 4eb201c3d9b34222fb89406cee539893df5b6ba0576c2ab2beb43653aa255bee