[INFO] cloning repository https://github.com/bsiegel/rust_sample [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsiegel/rust_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsiegel%2Frust_sample", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsiegel%2Frust_sample'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 259314aa135bb73c0870c5ccfb955afbd78f9471 [INFO] checking bsiegel/rust_sample against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsiegel%2Frust_sample" "/workspace/builds/worker-30/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bsiegel/rust_sample on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bsiegel/rust_sample [INFO] finished tweaking git repo https://github.com/bsiegel/rust_sample [INFO] tweaked toml for git repo https://github.com/bsiegel/rust_sample written to /workspace/builds/worker-30/source/Cargo.toml [INFO] crate git repo https://github.com/bsiegel/rust_sample already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85b948c754e8c736c10682ffd0d309be768de96e1253bde63868cf7da8851fd9 [INFO] running `Command { std: "docker" "start" "-a" "85b948c754e8c736c10682ffd0d309be768de96e1253bde63868cf7da8851fd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85b948c754e8c736c10682ffd0d309be768de96e1253bde63868cf7da8851fd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85b948c754e8c736c10682ffd0d309be768de96e1253bde63868cf7da8851fd9", kill_on_drop: false }` [INFO] [stdout] 85b948c754e8c736c10682ffd0d309be768de96e1253bde63868cf7da8851fd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e28188400ba4215e8fa1e1ce9e612fe2479b1f1db170cc705b6a5f163f9ad9e [INFO] running `Command { std: "docker" "start" "-a" "7e28188400ba4215e8fa1e1ce9e612fe2479b1f1db170cc705b6a5f163f9ad9e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust_sample v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | Node::Empty => write!(f, "empty"), [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | Node::Data(h,t) => write!(f, "{}, {}", h, t) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | Node::Data(_,_) => Node::Data(value, list), [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | Node::Data(_,_) => Node::Data(value, list), [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Empty => Node::Data(value, &Node::Empty) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:57:24 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Empty => Node::Data(value, &Node::Empty) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:57:43 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Empty => Node::Data(value, &Node::Empty) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:62:26 [INFO] [stdout] | [INFO] [stdout] 62 | let data: Node = Node::Data(2, &Node::Empty); [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:62:41 [INFO] [stdout] | [INFO] [stdout] 62 | let data: Node = Node::Data(2, &Node::Empty); [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:45:44 [INFO] [stdout] | [INFO] [stdout] 45 | impl<'a, T: fmt::Display> fmt::Display for Node<'a, T> { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:54:29 [INFO] [stdout] | [INFO] [stdout] 54 | fn prepend<'a, T>(list: &'a Node, value: T) -> Node<'a, T> { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:54:51 [INFO] [stdout] | [INFO] [stdout] 54 | fn prepend<'a, T>(list: &'a Node, value: T) -> Node<'a, T> { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:62:15 [INFO] [stdout] | [INFO] [stdout] 62 | let data: Node = Node::Data(2, &Node::Empty); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | Node::Empty => write!(f, "empty"), [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | Node::Data(h,t) => write!(f, "{}, {}", h, t) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | Node::Data(_,_) => Node::Data(value, list), [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | Node::Data(_,_) => Node::Data(value, list), [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Empty => Node::Data(value, &Node::Empty) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:57:24 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Empty => Node::Data(value, &Node::Empty) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:57:43 [INFO] [stdout] | [INFO] [stdout] 57 | Node::Empty => Node::Data(value, &Node::Empty) [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0391]: cycle detected when computing type of `` [INFO] [stdout] --> src/main.rs:14:41 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'t, T> NodeList for Option<(T, &'t Self)> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: ...which immediately requires computing type of `` again [INFO] [stdout] note: cycle used when computing trait implemented by `` [INFO] [stdout] --> src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'t, T> NodeList for Option<(T, &'t Self)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:62:26 [INFO] [stdout] | [INFO] [stdout] 62 | let data: Node = Node::Data(2, &Node::Empty); [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Node` [INFO] [stdout] --> src/main.rs:62:41 [INFO] [stdout] | [INFO] [stdout] 62 | let data: Node = Node::Data(2, &Node::Empty); [INFO] [stdout] | ^^^^ use of undeclared type `Node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:45:44 [INFO] [stdout] | [INFO] [stdout] 45 | impl<'a, T: fmt::Display> fmt::Display for Node<'a, T> { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:54:29 [INFO] [stdout] | [INFO] [stdout] 54 | fn prepend<'a, T>(list: &'a Node, value: T) -> Node<'a, T> { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:54:51 [INFO] [stdout] | [INFO] [stdout] 54 | fn prepend<'a, T>(list: &'a Node, value: T) -> Node<'a, T> { [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `Node` in this scope [INFO] [stdout] --> src/main.rs:62:15 [INFO] [stdout] | [INFO] [stdout] 62 | let data: Node = Node::Data(2, &Node::Empty); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0391]: cycle detected when computing type of `` [INFO] [stdout] --> src/main.rs:14:41 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'t, T> NodeList for Option<(T, &'t Self)> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: ...which immediately requires computing type of `` again [INFO] [stdout] note: cycle used when computing trait implemented by `` [INFO] [stdout] --> src/main.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | impl<'t, T> NodeList for Option<(T, &'t Self)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 14 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_sample` due to 15 previous errors [INFO] [stdout] Some errors have detailed explanations: E0391, E0412, E0433. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] For more information about an error, try `rustc --explain E0391`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 14 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0391, E0412, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0391`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7e28188400ba4215e8fa1e1ce9e612fe2479b1f1db170cc705b6a5f163f9ad9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e28188400ba4215e8fa1e1ce9e612fe2479b1f1db170cc705b6a5f163f9ad9e", kill_on_drop: false }` [INFO] [stdout] 7e28188400ba4215e8fa1e1ce9e612fe2479b1f1db170cc705b6a5f163f9ad9e