[INFO] fetching crate more-config 2.1.5...
[INFO] building more-config-2.1.5 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate more-config 2.1.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate more-config 2.1.5 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 more-config 2.1.5
[INFO] finished tweaking crates.io crate more-config 2.1.5
[INFO] tweaked toml for crates.io crate more-config 2.1.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding test-case v2.2.2 (available: v3.3.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded xml v0.8.20
[INFO] [stderr]   Downloaded more-changetoken v2.0.0
[INFO] [stderr]   Downloaded configparser v3.1.0
[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] 6e044fef57b0dd5a04294a712dd0d9a2d469a82a31ef06474cdb4a7895accc77
[INFO] running `Command { std: "docker" "start" "-a" "6e044fef57b0dd5a04294a712dd0d9a2d469a82a31ef06474cdb4a7895accc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e044fef57b0dd5a04294a712dd0d9a2d469a82a31ef06474cdb4a7895accc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e044fef57b0dd5a04294a712dd0d9a2d469a82a31ef06474cdb4a7895accc77", kill_on_drop: false }`
[INFO] [stdout] 6e044fef57b0dd5a04294a712dd0d9a2d469a82a31ef06474cdb4a7895accc77
[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] 31e977a2b0eef71c3b5b9807ff9b6cee4cb56d5e4e94d15d644cb3051da99368
[INFO] running `Command { std: "docker" "start" "-a" "31e977a2b0eef71c3b5b9807ff9b6cee4cb56d5e4e94d15d644cb3051da99368", kill_on_drop: false }`
[INFO] [stderr]    Compiling more-changetoken v2.0.0
[INFO] [stderr]    Compiling more-config v2.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: relative drop order changing in Rust 2024
[INFO] [stdout]    --> configuration.rs:117:34
[INFO] [stdout]     |
[INFO] [stdout] 117 |         while let Some(config) = self.stack.pop() {
[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]     |                        `config` calls a custom destructor
[INFO] [stdout]     |                        `config` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 125 |         }
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `config` 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 `more-config` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "31e977a2b0eef71c3b5b9807ff9b6cee4cb56d5e4e94d15d644cb3051da99368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e977a2b0eef71c3b5b9807ff9b6cee4cb56d5e4e94d15d644cb3051da99368", kill_on_drop: false }`
[INFO] [stdout] 31e977a2b0eef71c3b5b9807ff9b6cee4cb56d5e4e94d15d644cb3051da99368