[INFO] updating cached repository https://github.com/alex-karo/rust-test [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] 709e5574836ec13f469365d8c66dea2336c80732 [INFO] checking alex-karo/rust-test against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-karo%2Frust-test" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alex-karo/rust-test on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alex-karo/rust-test [INFO] finished tweaking git repo https://github.com/alex-karo/rust-test [INFO] tweaked toml for git repo https://github.com/alex-karo/rust-test written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/alex-karo/rust-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7c812c6ffd67795db8875bbbb161d2ae4b261b8a01379b561fee562236ee815 [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" "a7c812c6ffd67795db8875bbbb161d2ae4b261b8a01379b561fee562236ee815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7c812c6ffd67795db8875bbbb161d2ae4b261b8a01379b561fee562236ee815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c812c6ffd67795db8875bbbb161d2ae4b261b8a01379b561fee562236ee815", kill_on_drop: false }` [INFO] [stdout] a7c812c6ffd67795db8875bbbb161d2ae4b261b8a01379b561fee562236ee815 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe525b966ccdec4f5c679d105a78cb4e59aa6b8d2d0ee3426df126062516de1e [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" "fe525b966ccdec4f5c679d105a78cb4e59aa6b8d2d0ee3426df126062516de1e", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking rust-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:70:27 [INFO] [stdout] | [INFO] [stdout] 70 | Some(node) => { [INFO] [stdout] | ___________________________^ [INFO] [stdout] 71 | | [INFO] [stdout] 72 | | }, [INFO] [stdout] | |_____________^ expected enum `std::option::Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | self.curr = &self.head; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `std::option::Option`, found reference [INFO] [stdout] | help: consider removing the borrow: `self.head` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option>>` [INFO] [stdout] found reference `&std::option::Option>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | None => { [INFO] [stdout] | _____________________^ [INFO] [stdout] 74 | | self.curr = &self.head; [INFO] [stdout] 75 | | } [INFO] [stdout] | |_____________^ expected enum `std::option::Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:70:27 [INFO] [stdout] | [INFO] [stdout] 70 | Some(node) => { [INFO] [stdout] | ___________________________^ [INFO] [stdout] 71 | | [INFO] [stdout] 72 | | }, [INFO] [stdout] | |_____________^ expected enum `std::option::Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | self.curr = &self.head; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `std::option::Option`, found reference [INFO] [stdout] | help: consider removing the borrow: `self.head` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option>>` [INFO] [stdout] found reference `&std::option::Option>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | None => { [INFO] [stdout] | _____________________^ [INFO] [stdout] 74 | | self.curr = &self.head; [INFO] [stdout] 75 | | } [INFO] [stdout] | |_____________^ expected enum `std::option::Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-test`. [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] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "fe525b966ccdec4f5c679d105a78cb4e59aa6b8d2d0ee3426df126062516de1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe525b966ccdec4f5c679d105a78cb4e59aa6b8d2d0ee3426df126062516de1e", kill_on_drop: false }` [INFO] [stdout] fe525b966ccdec4f5c679d105a78cb4e59aa6b8d2d0ee3426df126062516de1e