[INFO] updating cached repository https://github.com/willcassella/rusterizer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d8b955f206471f613357c82db394ea7410ddaa59 [INFO] checking willcassella/rusterizer against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillcassella%2Frusterizer" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/willcassella/rusterizer on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/willcassella/rusterizer [INFO] finished tweaking git repo https://github.com/willcassella/rusterizer [INFO] tweaked toml for git repo https://github.com/willcassella/rusterizer written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/willcassella/rusterizer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bf821cb676857ae0ec69f8aa6deca6be94e5da4801d1925ee973c3cbb5406b3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9bf821cb676857ae0ec69f8aa6deca6be94e5da4801d1925ee973c3cbb5406b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bf821cb676857ae0ec69f8aa6deca6be94e5da4801d1925ee973c3cbb5406b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bf821cb676857ae0ec69f8aa6deca6be94e5da4801d1925ee973c3cbb5406b3", kill_on_drop: false }` [INFO] [stdout] 9bf821cb676857ae0ec69f8aa6deca6be94e5da4801d1925ee973c3cbb5406b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b4e69417fe2816a89fe923024aa272c2e23945890f60835b5190b980f9c2c8b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8b4e69417fe2816a89fe923024aa272c2e23945890f60835b5190b980f9c2c8b", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking deflate v0.7.17 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Checking rusterizer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/strider/mod.rs:41:27 [INFO] [stdout] | [INFO] [stdout] 41 | fn next(&mut self) -> Option { [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option<>::References>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/strider/mod.rs:41:27 [INFO] [stdout] | [INFO] [stdout] 41 | fn next(&mut self) -> Option { [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option<>::References>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rusterizer`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8b4e69417fe2816a89fe923024aa272c2e23945890f60835b5190b980f9c2c8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b4e69417fe2816a89fe923024aa272c2e23945890f60835b5190b980f9c2c8b", kill_on_drop: false }` [INFO] [stdout] 8b4e69417fe2816a89fe923024aa272c2e23945890f60835b5190b980f9c2c8b