[INFO] cloning 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" "clone" "--bare" "https://github.com/alex-karo/rust-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-karo%2Frust-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-karo%2Frust-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 709e5574836ec13f469365d8c66dea2336c80732 [INFO] checking alex-karo/rust-test against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-karo%2Frust-test" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alex-karo/rust-test on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bfa47690f3bffdc79175a805952968b9fab2146e5ac58fb2d3ef5e4871db8bd3 [INFO] running `Command { std: "docker" "start" "-a" "bfa47690f3bffdc79175a805952968b9fab2146e5ac58fb2d3ef5e4871db8bd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfa47690f3bffdc79175a805952968b9fab2146e5ac58fb2d3ef5e4871db8bd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfa47690f3bffdc79175a805952968b9fab2146e5ac58fb2d3ef5e4871db8bd3", kill_on_drop: false }` [INFO] [stdout] bfa47690f3bffdc79175a805952968b9fab2146e5ac58fb2d3ef5e4871db8bd3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 975f59cbd7cec6f51d812a695222f4ab36c3d1f463108271f469beefb41de32a [INFO] running `Command { std: "docker" "start" "-a" "975f59cbd7cec6f51d812a695222f4ab36c3d1f463108271f469beefb41de32a", kill_on_drop: false }` [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 `Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `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] | ^^^^^^^^^^ expected enum `Option`, found reference [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option>>` [INFO] [stdout] found reference `&Option>>` [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 74 - self.curr = &self.head; [INFO] [stdout] 74 + self.curr = self.head; [INFO] [stdout] | [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 `Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `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 `Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-test` due to 4 previous errors [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [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] | ^^^^^^^^^^ expected enum `Option`, found reference [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option>>` [INFO] [stdout] found reference `&Option>>` [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 74 - self.curr = &self.head; [INFO] [stdout] 74 + self.curr = self.head; [INFO] [stdout] | [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 `Option`, found `()` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `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: build failed [INFO] running `Command { std: "docker" "inspect" "975f59cbd7cec6f51d812a695222f4ab36c3d1f463108271f469beefb41de32a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "975f59cbd7cec6f51d812a695222f4ab36c3d1f463108271f469beefb41de32a", kill_on_drop: false }` [INFO] [stdout] 975f59cbd7cec6f51d812a695222f4ab36c3d1f463108271f469beefb41de32a