[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] testing benjcollins/compiler against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fcompiler" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjcollins/compiler on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-10/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: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7332e40445bf51207c0920ea8a7841a1714a7ca881b34ff0c22178f4276ea53d
[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" "7332e40445bf51207c0920ea8a7841a1714a7ca881b34ff0c22178f4276ea53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7332e40445bf51207c0920ea8a7841a1714a7ca881b34ff0c22178f4276ea53d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7332e40445bf51207c0920ea8a7841a1714a7ca881b34ff0c22178f4276ea53d", kill_on_drop: false }`
[INFO] [stdout] 7332e40445bf51207c0920ea8a7841a1714a7ca881b34ff0c22178f4276ea53d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70223952e8e259ec1970d28151e8275a7ba2a864e36d8580b1d6b3f8657efc88
[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" "70223952e8e259ec1970d28151e8275a7ba2a864e36d8580b1d6b3f8657efc88", kill_on_drop: false }`
[INFO] [stderr]    Compiling language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&Struct { .. }` not covered
[INFO] [stdout]   --> src/compiler.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |       match expr.get_node() {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ pattern `&Struct { .. }` not covered
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/ast.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pub enum Expr<'a> {
[INFO] [stdout] 13 | |     IntLiteral(&'a str),
[INFO] [stdout] 14 | |     BoolLiteral(&'a str),
[INFO] [stdout] 15 | |     Ident(&'a str),
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     Struct {
[INFO] [stdout]    | |     ------ not covered
[INFO] [stdout] 38 | |         body: Box<Parsed<'a, Expr<'a>>>,
[INFO] [stdout] 39 | |     }
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_- `Expr` defined here
[INFO] [stdout]    |
[INFO] [stdout]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stdout]    = note: the matched value is of type `&Expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "70223952e8e259ec1970d28151e8275a7ba2a864e36d8580b1d6b3f8657efc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70223952e8e259ec1970d28151e8275a7ba2a864e36d8580b1d6b3f8657efc88", kill_on_drop: false }`
[INFO] [stdout] 70223952e8e259ec1970d28151e8275a7ba2a864e36d8580b1d6b3f8657efc88