[INFO] fetching crate tittle 0.2.0... [INFO] checking tittle-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate tittle 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate tittle 0.2.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tittle 0.2.0 [INFO] finished tweaking crates.io crate tittle 0.2.0 [INFO] tweaked toml for crates.io crate tittle 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate tittle 0.2.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 693debd7db1036b89b101f9297356ea294dd37dc5693dde7961edf9b9d048b89 [INFO] running `Command { std: "docker" "start" "-a" "693debd7db1036b89b101f9297356ea294dd37dc5693dde7961edf9b9d048b89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "693debd7db1036b89b101f9297356ea294dd37dc5693dde7961edf9b9d048b89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "693debd7db1036b89b101f9297356ea294dd37dc5693dde7961edf9b9d048b89", kill_on_drop: false }` [INFO] [stdout] 693debd7db1036b89b101f9297356ea294dd37dc5693dde7961edf9b9d048b89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 592278d8722a1e1d441dde8e85c192accb9893511907b4283da3b96876b28335 [INFO] running `Command { std: "docker" "start" "-a" "592278d8722a1e1d441dde8e85c192accb9893511907b4283da3b96876b28335", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking which v4.0.2 [INFO] [stderr] Checking tittle v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), anyhow::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 11 | let matches = App::new("tittle") [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | if let Err(err) = run() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), anyhow::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:140:21 [INFO] [stdout] | [INFO] [stdout] 11 | let matches = App::new("tittle") [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 140 | if let Err(err) = run() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tittle` (bin "tittle") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tittle` (bin "tittle" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "592278d8722a1e1d441dde8e85c192accb9893511907b4283da3b96876b28335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "592278d8722a1e1d441dde8e85c192accb9893511907b4283da3b96876b28335", kill_on_drop: false }` [INFO] [stdout] 592278d8722a1e1d441dde8e85c192accb9893511907b4283da3b96876b28335