[INFO] cloning repository https://github.com/accelbread/bread-scheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/accelbread/bread-scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccelbread%2Fbread-scheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccelbread%2Fbread-scheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 432f7fd56d088ab2deab730d2cd9d5b1b19968e7
[INFO] building accelbread/bread-scheme against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccelbread%2Fbread-scheme" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/accelbread/bread-scheme on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/accelbread/bread-scheme
[INFO] finished tweaking git repo https://github.com/accelbread/bread-scheme
[INFO] tweaked toml for git repo https://github.com/accelbread/bread-scheme written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/accelbread/bread-scheme 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d96055b89cdd85ebd3659405ff23487b9b143bd188faa899043727b9beb032bc
[INFO] running `Command { std: "docker" "start" "-a" "d96055b89cdd85ebd3659405ff23487b9b143bd188faa899043727b9beb032bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d96055b89cdd85ebd3659405ff23487b9b143bd188faa899043727b9beb032bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96055b89cdd85ebd3659405ff23487b9b143bd188faa899043727b9beb032bc", kill_on_drop: false }`
[INFO] [stdout] d96055b89cdd85ebd3659405ff23487b9b143bd188faa899043727b9beb032bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba72484c9d6f0319b984c27e029c2d825386ebfaebf5cd8a7a0302cbd64ed789
[INFO] running `Command { std: "docker" "start" "-a" "ba72484c9d6f0319b984c27e029c2d825386ebfaebf5cd8a7a0302cbd64ed789", kill_on_drop: false }`
[INFO] [stderr]    Compiling bread-scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: a temporary value will be dropped here before the execution exits the block in Edition 2024, which will raise borrow checking error
[INFO] [stdout]    --> src/types.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 96  |     while let Object::Cons(ref car, ref cdr) = *next.clone().borrow() {
[INFO] [stdout]     |                                                 ------------ consider using a `let` binding to create a longer lived value; or replacing the `{ .. }` block with curly brackets `( .. )`; or folding the rest of the expression into the surrounding `unsafe { .. }`
[INFO] [stdout] ...
[INFO] [stdout] 100 |     }
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bread-scheme` (bin "bread-scheme") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ba72484c9d6f0319b984c27e029c2d825386ebfaebf5cd8a7a0302cbd64ed789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba72484c9d6f0319b984c27e029c2d825386ebfaebf5cd8a7a0302cbd64ed789", kill_on_drop: false }`
[INFO] [stdout] ba72484c9d6f0319b984c27e029c2d825386ebfaebf5cd8a7a0302cbd64ed789