[INFO] cloning repository https://github.com/materialcontext/code-challenge-rust-json-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/materialcontext/code-challenge-rust-json-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaterialcontext%2Fcode-challenge-rust-json-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaterialcontext%2Fcode-challenge-rust-json-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00259013e9c63bd6f892f6c57625bf26184e99f4
[INFO] building materialcontext/code-challenge-rust-json-parser 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%2Fmaterialcontext%2Fcode-challenge-rust-json-parser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/materialcontext/code-challenge-rust-json-parser 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/materialcontext/code-challenge-rust-json-parser
[INFO] finished tweaking git repo https://github.com/materialcontext/code-challenge-rust-json-parser
[INFO] tweaked toml for git repo https://github.com/materialcontext/code-challenge-rust-json-parser written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/materialcontext/code-challenge-rust-json-parser 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] bee153d7881b11381f0ae1eda1c9c4e216aa095394ec59cd2be348947b65c19e
[INFO] running `Command { std: "docker" "start" "-a" "bee153d7881b11381f0ae1eda1c9c4e216aa095394ec59cd2be348947b65c19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bee153d7881b11381f0ae1eda1c9c4e216aa095394ec59cd2be348947b65c19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee153d7881b11381f0ae1eda1c9c4e216aa095394ec59cd2be348947b65c19e", kill_on_drop: false }`
[INFO] [stdout] bee153d7881b11381f0ae1eda1c9c4e216aa095394ec59cd2be348947b65c19e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b5d0d4fbec59e05df61c1fd57a3e1102c37b842ce002bc6c56fb0c957c3b0040
[INFO] running `Command { std: "docker" "start" "-a" "b5d0d4fbec59e05df61c1fd57a3e1102c37b842ce002bc6c56fb0c957c3b0040", kill_on_drop: false }`
[INFO] [stderr]    Compiling parse_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `word` in this scope
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     field: word
[INFO] [stdout]   |            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parse_json` (bin "parse_json") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b5d0d4fbec59e05df61c1fd57a3e1102c37b842ce002bc6c56fb0c957c3b0040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d0d4fbec59e05df61c1fd57a3e1102c37b842ce002bc6c56fb0c957c3b0040", kill_on_drop: false }`
[INFO] [stdout] b5d0d4fbec59e05df61c1fd57a3e1102c37b842ce002bc6c56fb0c957c3b0040