[INFO] cloning repository https://github.com/benjcollins/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjcollins/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b472425bfa6ed3bdc43bbffa60c11f5c1526bddf
[INFO] building benjcollins/compiler against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fcompiler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjcollins/compiler on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benjcollins/compiler
[INFO] finished tweaking git repo https://github.com/benjcollins/compiler
[INFO] tweaked toml for git repo https://github.com/benjcollins/compiler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/benjcollins/compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2175d3ecdc3f46d47ac390433b4163954c6a927a8abc01223e8ffe07409767ef
[INFO] running `Command { std: "docker" "start" "-a" "2175d3ecdc3f46d47ac390433b4163954c6a927a8abc01223e8ffe07409767ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2175d3ecdc3f46d47ac390433b4163954c6a927a8abc01223e8ffe07409767ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2175d3ecdc3f46d47ac390433b4163954c6a927a8abc01223e8ffe07409767ef", kill_on_drop: false }`
[INFO] [stdout] 2175d3ecdc3f46d47ac390433b4163954c6a927a8abc01223e8ffe07409767ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5533698beed941696c73ac80b2ee358ff73e520744943423cf9963e9351c3fd2
[INFO] running `Command { std: "docker" "start" "-a" "5533698beed941696c73ac80b2ee358ff73e520744943423cf9963e9351c3fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/parser.rs:41:79
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn parse<'a>(start: Position<'a>, prec: Prec) -> Result<Parsed<'a, Expr<'a>>, ParseError> {
[INFO] [stdout]    |          -- lifetime `'a` declared here                                       ^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&Expr::Struct { .. }` not covered
[INFO] [stdout]   --> src/compiler.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |     match expr.get_node() {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ pattern `&Expr::Struct { .. }` not covered
[INFO] [stdout]    |
[INFO] [stdout] note: `Expr<'_>` defined here
[INFO] [stdout]   --> src/ast.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum Expr<'a> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     Struct {
[INFO] [stdout]    |     ------ not covered
[INFO] [stdout]    = note: the matched value is of type `&Expr<'_>`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 131~         },
[INFO] [stdout] 132+         &Expr::Struct { .. } => todo!()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `language` (bin "language") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5533698beed941696c73ac80b2ee358ff73e520744943423cf9963e9351c3fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5533698beed941696c73ac80b2ee358ff73e520744943423cf9963e9351c3fd2", kill_on_drop: false }`
[INFO] [stdout] 5533698beed941696c73ac80b2ee358ff73e520744943423cf9963e9351c3fd2