[INFO] fetching crate version-manager 2.5.0... [INFO] checking version-manager-2.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate version-manager 2.5.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate version-manager 2.5.0 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 version-manager 2.5.0 [INFO] finished tweaking crates.io crate version-manager 2.5.0 [INFO] tweaked toml for crates.io crate version-manager 2.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate version-manager 2.5.0 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] [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-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] 0b3e5ecb1e7acc606d8201dc18454ebe5401cf527a16c0e4606172acc558ba3e [INFO] running `Command { std: "docker" "start" "-a" "0b3e5ecb1e7acc606d8201dc18454ebe5401cf527a16c0e4606172acc558ba3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b3e5ecb1e7acc606d8201dc18454ebe5401cf527a16c0e4606172acc558ba3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b3e5ecb1e7acc606d8201dc18454ebe5401cf527a16c0e4606172acc558ba3e", kill_on_drop: false }` [INFO] [stdout] 0b3e5ecb1e7acc606d8201dc18454ebe5401cf527a16c0e4606172acc558ba3e [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] 9fbc8c96a15c73a41b22fa23c06207d22a61d0b70ad42a29102e2ebfd20c96db [INFO] running `Command { std: "docker" "start" "-a" "9fbc8c96a15c73a41b22fa23c06207d22a61d0b70ad42a29102e2ebfd20c96db", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking winnow v0.6.5 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking os_pipe v1.1.5 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking content_inspector v0.2.4 [INFO] [stderr] Checking snapbox-macros v0.3.8 [INFO] [stderr] Checking dunce v1.0.4 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking similar v2.5.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking predicates v3.1.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking snapbox v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking globwalk v0.9.1 [INFO] [stderr] Checking assert_fs v1.1.1 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking clap_complete v4.5.1 [INFO] [stderr] Checking clio v0.3.5 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking humantime-serde v1.1.1 [INFO] [stderr] Checking toml_edit v0.22.9 [INFO] [stderr] Checking toml v0.8.12 [INFO] [stderr] Checking trycmd v0.15.1 [INFO] [stderr] Checking version-manager v2.5.0 (/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] --> src/version.rs:435:15 [INFO] [stdout] | [INFO] [stdout] 425 | let mut file = match File::options() [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 435 | match file.write_all(version.as_bytes()) { [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 `version-manager` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] --> src/version.rs:435:15 [INFO] [stdout] | [INFO] [stdout] 425 | let mut file = match File::options() [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 435 | match file.write_all(version.as_bytes()) { [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 `version-manager` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9fbc8c96a15c73a41b22fa23c06207d22a61d0b70ad42a29102e2ebfd20c96db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fbc8c96a15c73a41b22fa23c06207d22a61d0b70ad42a29102e2ebfd20c96db", kill_on_drop: false }` [INFO] [stdout] 9fbc8c96a15c73a41b22fa23c06207d22a61d0b70ad42a29102e2ebfd20c96db