[INFO] cloning repository https://github.com/carter-thaxton/lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carter-thaxton/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarter-thaxton%2Flox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarter-thaxton%2Flox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3f502b983150772e7c9f7dead4da7da526005177 [INFO] building carter-thaxton/lox 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%2Fcarter-thaxton%2Flox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/carter-thaxton/lox 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/carter-thaxton/lox [INFO] finished tweaking git repo https://github.com/carter-thaxton/lox [INFO] tweaked toml for git repo https://github.com/carter-thaxton/lox written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/carter-thaxton/lox 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 656e28d7734b5b7778d423687fff5b51ed163d2428a1d275617813fabd0aefd0 [INFO] running `Command { std: "docker" "start" "-a" "656e28d7734b5b7778d423687fff5b51ed163d2428a1d275617813fabd0aefd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "656e28d7734b5b7778d423687fff5b51ed163d2428a1d275617813fabd0aefd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "656e28d7734b5b7778d423687fff5b51ed163d2428a1d275617813fabd0aefd0", kill_on_drop: false }` [INFO] [stdout] 656e28d7734b5b7778d423687fff5b51ed163d2428a1d275617813fabd0aefd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] daf9f6ed4645000ab266e31e69e03dae9755d0ae051c5107f88f1bd6efcff93b [INFO] running `Command { std: "docker" "start" "-a" "daf9f6ed4645000ab266e31e69e03dae9755d0ae051c5107f88f1bd6efcff93b", kill_on_drop: false }` [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/main.rs:112:15 [INFO] [stdout] | [INFO] [stdout] 112 | match parser.parse_expr() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 113 | Ok(expr) => { [INFO] [stdout] 114 | let mut int = Interpreter::new(false); [INFO] [stdout] | ------- [INFO] [stdout] | | [INFO] [stdout] | `int` calls a custom destructor [INFO] [stdout] | `int` will be dropped later as of Edition 2024 [INFO] [stdout] 115 | let result = int.evaluate(&expr); [INFO] [stdout] | ------ [INFO] [stdout] | | [INFO] [stdout] | `result` calls a custom destructor [INFO] [stdout] | `result` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 118 | Ok(value) => { [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | `value` calls a custom destructor [INFO] [stdout] | `value` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `int` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `result` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `value` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lox` (bin "lox") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "daf9f6ed4645000ab266e31e69e03dae9755d0ae051c5107f88f1bd6efcff93b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daf9f6ed4645000ab266e31e69e03dae9755d0ae051c5107f88f1bd6efcff93b", kill_on_drop: false }` [INFO] [stdout] daf9f6ed4645000ab266e31e69e03dae9755d0ae051c5107f88f1bd6efcff93b