[INFO] fetching crate rmc 1.1.1... [INFO] checking rmc-1.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate rmc 1.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rmc 1.1.1 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 rmc 1.1.1 [INFO] finished tweaking crates.io crate rmc 1.1.1 [INFO] tweaked toml for crates.io crate rmc 1.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate rmc 1.1.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1f21eb6b50ccc32f4851d11e3bc2ce866e4b68ff1fdfdd9641ae93f1f2fd9570 [INFO] running `Command { std: "docker" "start" "-a" "1f21eb6b50ccc32f4851d11e3bc2ce866e4b68ff1fdfdd9641ae93f1f2fd9570", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f21eb6b50ccc32f4851d11e3bc2ce866e4b68ff1fdfdd9641ae93f1f2fd9570", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f21eb6b50ccc32f4851d11e3bc2ce866e4b68ff1fdfdd9641ae93f1f2fd9570", kill_on_drop: false }` [INFO] [stdout] 1f21eb6b50ccc32f4851d11e3bc2ce866e4b68ff1fdfdd9641ae93f1f2fd9570 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4f4579d8b45194a13e96a402e129effffae89740ddb0eae7b11c53b11cb559f2 [INFO] running `Command { std: "docker" "start" "-a" "4f4579d8b45194a13e96a402e129effffae89740ddb0eae7b11c53b11cb559f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.14 [INFO] [stderr] Checking linux-raw-sys v0.3.4 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking anstyle-parse v0.2.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking clap_lex v0.4.1 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking file_diff v1.0.0 [INFO] [stderr] Checking bstr v1.4.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking predicates v3.0.3 [INFO] [stderr] Checking assert_cmd v2.0.11 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking anstream v0.3.1 [INFO] [stderr] Checking clap_builder v4.2.4 [INFO] [stderr] Checking clap v4.2.4 [INFO] [stderr] Checking rmc v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/cli.rs:37:11 [INFO] [stdout] | [INFO] [stdout] 12 | let mut cmd = Command::cargo_bin("rmc").unwrap(); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 22 | let mut file1 = match fs::File::open("test.txt") { [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 26 | let mut file2 = match fs::File::open("test_copy.txt") { [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | match fs::remove_file("test_copy.txt") { [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 `rmc` (test "cli") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4f4579d8b45194a13e96a402e129effffae89740ddb0eae7b11c53b11cb559f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f4579d8b45194a13e96a402e129effffae89740ddb0eae7b11c53b11cb559f2", kill_on_drop: false }` [INFO] [stdout] 4f4579d8b45194a13e96a402e129effffae89740ddb0eae7b11c53b11cb559f2