[INFO] cloning repository https://github.com/LouisTruch/rust-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LouisTruch/rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouisTruch%2Frust-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouisTruch%2Frust-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc4e4626da7a6ad0e1596614f3718ce19ca98604
[INFO] building LouisTruch/rust-interpreter 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%2FLouisTruch%2Frust-interpreter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LouisTruch/rust-interpreter 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/LouisTruch/rust-interpreter
[INFO] finished tweaking git repo https://github.com/LouisTruch/rust-interpreter
[INFO] tweaked toml for git repo https://github.com/LouisTruch/rust-interpreter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LouisTruch/rust-interpreter 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 88e301d8e4a54e9c9de9aac4d0d90cb6168d34b46db5e43f202d354672183349
[INFO] running `Command { std: "docker" "start" "-a" "88e301d8e4a54e9c9de9aac4d0d90cb6168d34b46db5e43f202d354672183349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88e301d8e4a54e9c9de9aac4d0d90cb6168d34b46db5e43f202d354672183349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88e301d8e4a54e9c9de9aac4d0d90cb6168d34b46db5e43f202d354672183349", kill_on_drop: false }`
[INFO] [stdout] 88e301d8e4a54e9c9de9aac4d0d90cb6168d34b46db5e43f202d354672183349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 49578275ffd47e5e584d1d2bf7863099251c55f4fddf09959fa764b5d3dc5644
[INFO] running `Command { std: "docker" "start" "-a" "49578275ffd47e5e584d1d2bf7863099251c55f4fddf09959fa764b5d3dc5644", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-interpreter 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/evaluation/environment.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | /                 &match self.outer.clone() {
[INFO] [stdout] 37 | |                     Some(outer) => outer.get(name),
[INFO] [stdout] 38 | |                     None => Object::Null,
[INFO] [stdout] 39 | |                 }
[INFO] [stdout]    | |                 ^
[INFO] [stdout]    | |_________________|
[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]    = 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 `rust-interpreter` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "49578275ffd47e5e584d1d2bf7863099251c55f4fddf09959fa764b5d3dc5644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49578275ffd47e5e584d1d2bf7863099251c55f4fddf09959fa764b5d3dc5644", kill_on_drop: false }`
[INFO] [stdout] 49578275ffd47e5e584d1d2bf7863099251c55f4fddf09959fa764b5d3dc5644