[INFO] fetching crate rotsniff 0.2.1... [INFO] checking rotsniff-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate rotsniff 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate rotsniff 0.2.1 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 rotsniff 0.2.1 [INFO] finished tweaking crates.io crate rotsniff 0.2.1 [INFO] tweaked toml for crates.io crate rotsniff 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate rotsniff 0.2.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 035e30da9a441ac5d8ee99e7b0da9ef0a59d00bbe0eb97e7d4f416b6955819fb [INFO] running `Command { std: "docker" "start" "-a" "035e30da9a441ac5d8ee99e7b0da9ef0a59d00bbe0eb97e7d4f416b6955819fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "035e30da9a441ac5d8ee99e7b0da9ef0a59d00bbe0eb97e7d4f416b6955819fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "035e30da9a441ac5d8ee99e7b0da9ef0a59d00bbe0eb97e7d4f416b6955819fb", kill_on_drop: false }` [INFO] [stdout] 035e30da9a441ac5d8ee99e7b0da9ef0a59d00bbe0eb97e7d4f416b6955819fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d2bc878b6c0d1b885a46d5a8fb5f46cd661bdd56d848d17e35d08734018b497f [INFO] running `Command { std: "docker" "start" "-a" "d2bc878b6c0d1b885a46d5a8fb5f46cd661bdd56d848d17e35d08734018b497f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Checking subtle v2.6.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking clap_builder v4.5.7 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking flate2 v1.0.30 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking blake2 v0.10.6 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Compiling clap_derive v4.5.5 [INFO] [stderr] Checking clap v4.5.7 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking rotsniff v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/hash.rs:58:33 [INFO] [stdout] | [INFO] [stdout] 56 | let regex = Regex::new("blake2b:([a-fA-F0-9]{128})").unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 57 | [INFO] [stdout] 58 | if let Some(captures) = regex.captures(s) { [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] [stderr] error: could not compile `rotsniff` (bin "rotsniff") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/hash.rs:58:33 [INFO] [stdout] | [INFO] [stdout] 56 | let regex = Regex::new("blake2b:([a-fA-F0-9]{128})").unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 57 | [INFO] [stdout] 58 | if let Some(captures) = regex.captures(s) { [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] [stderr] error: could not compile `rotsniff` (bin "rotsniff" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d2bc878b6c0d1b885a46d5a8fb5f46cd661bdd56d848d17e35d08734018b497f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2bc878b6c0d1b885a46d5a8fb5f46cd661bdd56d848d17e35d08734018b497f", kill_on_drop: false }` [INFO] [stdout] d2bc878b6c0d1b885a46d5a8fb5f46cd661bdd56d848d17e35d08734018b497f