[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#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [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 a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ac81063a0922e4fdd74bdd56fe55d45a43bddd2130c990a4fd7f00f7d143afe [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" "9ac81063a0922e4fdd74bdd56fe55d45a43bddd2130c990a4fd7f00f7d143afe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ac81063a0922e4fdd74bdd56fe55d45a43bddd2130c990a4fd7f00f7d143afe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ac81063a0922e4fdd74bdd56fe55d45a43bddd2130c990a4fd7f00f7d143afe", kill_on_drop: false }` [INFO] [stdout] 9ac81063a0922e4fdd74bdd56fe55d45a43bddd2130c990a4fd7f00f7d143afe [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cb29cdb9c4b2ed3b956a473999196f4838841e770fae13d9740560baa9f75826 [INFO] running `Command { std: "docker" "start" "-a" "cb29cdb9c4b2ed3b956a473999196f4838841e770fae13d9740560baa9f75826", 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] | ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Option`, found reference [INFO] [stdout] | help: consider removing the borrow: `self.head` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option>>` [INFO] [stdout] found reference `&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 `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: 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[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] | ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected enum `Option`, found reference [INFO] [stdout] | help: consider removing the borrow: `self.head` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option>>` [INFO] [stdout] found reference `&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 `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" "cb29cdb9c4b2ed3b956a473999196f4838841e770fae13d9740560baa9f75826", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb29cdb9c4b2ed3b956a473999196f4838841e770fae13d9740560baa9f75826", kill_on_drop: false }` [INFO] [stdout] cb29cdb9c4b2ed3b956a473999196f4838841e770fae13d9740560baa9f75826