[INFO] fetching crate image-stream 0.1.0... [INFO] checking image-stream-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate image-stream 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate image-stream 0.1.0 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 image-stream 0.1.0 [INFO] finished tweaking crates.io crate image-stream 0.1.0 [INFO] tweaked toml for crates.io crate image-stream 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] [stderr] Adding bincode v0.9.2 (available: v1.3.3) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding deflate v0.7.20 (available: v1.0.0) [INFO] [stderr] Adding gif v0.9.2 (available: v0.13.1) [INFO] [stderr] Adding image v0.18.0 (available: v0.25.2) [INFO] [stderr] Adding inflate v0.3.4 (available: v0.4.5) [INFO] [stderr] Adding jpeg-decoder v0.1.22 (available: v0.3.1) [INFO] [stderr] Adding num-rational v0.1.42 (available: v0.4.2) [INFO] [stderr] Adding num-traits v0.1.43 (available: v0.2.19) [INFO] [stderr] Adding png v0.11.0 (available: v0.17.13) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b54098a6bd632dd345e84737f4dc2fdd84e794cbee9f9ed578a7a5afa1a23fcd [INFO] running `Command { std: "docker" "start" "-a" "b54098a6bd632dd345e84737f4dc2fdd84e794cbee9f9ed578a7a5afa1a23fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b54098a6bd632dd345e84737f4dc2fdd84e794cbee9f9ed578a7a5afa1a23fcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b54098a6bd632dd345e84737f4dc2fdd84e794cbee9f9ed578a7a5afa1a23fcd", kill_on_drop: false }` [INFO] [stdout] b54098a6bd632dd345e84737f4dc2fdd84e794cbee9f9ed578a7a5afa1a23fcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1428a50cbc2e3654abee57b85f64f5849632053add8fd046613608fa6251febc [INFO] running `Command { std: "docker" "start" "-a" "1428a50cbc2e3654abee57b85f64f5849632053add8fd046613608fa6251febc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bincode v0.9.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking image-stream v0.1.0 (/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/message.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 26 | let mut stream = self.stream.borrow_mut(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 47 | match stream.flush() { [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: this value of type `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/message.rs:70:15 [INFO] [stdout] | [INFO] [stdout] 54 | let mut stream = self.stream.borrow_mut(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | match deserialize(&data[..]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `image-stream` (lib) due to 3 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/message.rs:47:15 [INFO] [stdout] | [INFO] [stdout] 26 | let mut stream = self.stream.borrow_mut(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 47 | match stream.flush() { [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: this value of type `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/message.rs:70:15 [INFO] [stdout] | [INFO] [stdout] 54 | let mut stream = self.stream.borrow_mut(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | match deserialize(&data[..]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `image-stream` (lib test) due to 3 previous errors [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1428a50cbc2e3654abee57b85f64f5849632053add8fd046613608fa6251febc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1428a50cbc2e3654abee57b85f64f5849632053add8fd046613608fa6251febc", kill_on_drop: false }` [INFO] [stdout] 1428a50cbc2e3654abee57b85f64f5849632053add8fd046613608fa6251febc