[INFO] fetching crate cl-calc 1.0.2... [INFO] building cl-calc-1.0.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate cl-calc 1.0.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate cl-calc 1.0.2 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 crates.io crate cl-calc 1.0.2 [INFO] finished tweaking crates.io crate cl-calc 1.0.2 [INFO] tweaked toml for crates.io crate cl-calc 1.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate cl-calc 1.0.2 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 558abfa8ee5a0c9359deb8dd180784df4372bf3475ecc89ad043bf1361304c93 [INFO] running `Command { std: "docker" "start" "-a" "558abfa8ee5a0c9359deb8dd180784df4372bf3475ecc89ad043bf1361304c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "558abfa8ee5a0c9359deb8dd180784df4372bf3475ecc89ad043bf1361304c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "558abfa8ee5a0c9359deb8dd180784df4372bf3475ecc89ad043bf1361304c93", kill_on_drop: false }` [INFO] [stdout] 558abfa8ee5a0c9359deb8dd180784df4372bf3475ecc89ad043bf1361304c93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1595920b6ef90acc6fee4e64abb40cb61c20ae15eeccbd34b31900e7a8fc4eab [INFO] running `Command { std: "docker" "start" "-a" "1595920b6ef90acc6fee4e64abb40cb61c20ae15eeccbd34b31900e7a8fc4eab", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.70 [INFO] [stderr] Compiling cl-calc v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/main.rs:154:19 [INFO] [stdout] | [INFO] [stdout] 120 | match interpreter.run_file(text.trim().get(6..).unwrap_or_default().into()) { [INFO] [stdout] | --------------------------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 127 | Err(err) => eprintln!("err: {}", err), [INFO] [stdout] | --- [INFO] [stdout] | | [INFO] [stdout] | `err` calls a custom destructor [INFO] [stdout] | `err` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 154 | match interpreter.run(text.clone()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 158 | Err(err) => { [INFO] [stdout] | --- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | `#2` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 162 | } [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: `#3` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.70/src/error.rs:582:1 [INFO] [stdout] | [INFO] [stdout] 582 | impl Drop for Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.70/src/error.rs:582:1 [INFO] [stdout] | [INFO] [stdout] 582 | impl Drop for Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `err` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.70/src/error.rs:582:1 [INFO] [stdout] | [INFO] [stdout] 582 | impl Drop for Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.70/src/error.rs:582:1 [INFO] [stdout] | [INFO] [stdout] 582 | impl Drop for Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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 `cl-calc` (bin "cl-calc") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "1595920b6ef90acc6fee4e64abb40cb61c20ae15eeccbd34b31900e7a8fc4eab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1595920b6ef90acc6fee4e64abb40cb61c20ae15eeccbd34b31900e7a8fc4eab", kill_on_drop: false }` [INFO] [stdout] 1595920b6ef90acc6fee4e64abb40cb61c20ae15eeccbd34b31900e7a8fc4eab