[INFO] fetching crate servant-codec 0.1.0... [INFO] checking servant-codec-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate servant-codec 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate servant-codec 0.1.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate servant-codec 0.1.0 [INFO] finished tweaking crates.io crate servant-codec 0.1.0 [INFO] tweaked toml for crates.io crate servant-codec 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate servant-codec 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83c77c3bb844d815d74331e272ab69f3e3e0cbb6d03efe61631e9ec9a181f06a [INFO] running `Command { std: "docker" "start" "-a" "83c77c3bb844d815d74331e272ab69f3e3e0cbb6d03efe61631e9ec9a181f06a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83c77c3bb844d815d74331e272ab69f3e3e0cbb6d03efe61631e9ec9a181f06a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83c77c3bb844d815d74331e272ab69f3e3e0cbb6d03efe61631e9ec9a181f06a", kill_on_drop: false }` [INFO] [stdout] 83c77c3bb844d815d74331e272ab69f3e3e0cbb6d03efe61631e9ec9a181f06a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03c00613bcd246c4f43537bcd34fc2d324408e13f22a763f32ae1ad0851126e1 [INFO] running `Command { std: "docker" "start" "-a" "03c00613bcd246c4f43537bcd34fc2d324408e13f22a763f32ae1ad0851126e1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking untrusted v0.7.0 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling test-case v1.0.0-alpha-1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking futures_codec v0.3.4 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking servant-codec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rng::rand_gen` [INFO] [stdout] --> src/utility/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use rng::rand_gen; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `type_of::type_of` [INFO] [stdout] --> src/utility/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use type_of::type_of; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rng::rand_gen` [INFO] [stdout] --> src/utility/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use rng::rand_gen; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/record_codec.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 23 | fn encode(&mut self, src: Self::Item, dst: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | bincode::serialize_into(dst.writer(), &src) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `servant-codec` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/length_codec/length.rs:72:28 [INFO] [stdout] | [INFO] [stdout] 71 | fn bytes_codec_encode(msg: Bytes) -> Vec { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 72 | executor::block_on(async move { [INFO] [stdout] | ____________________________^ [INFO] [stdout] 73 | | let mut buf = vec![]; [INFO] [stdout] 74 | | let cur = Cursor::new(&mut buf); [INFO] [stdout] 75 | | let mut framed = Framed::new(cur, BytesCodec {}); [INFO] [stdout] ... | [INFO] [stdout] 79 | | buf [INFO] [stdout] 80 | | }) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/length_codec/length.rs:83:81 [INFO] [stdout] | [INFO] [stdout] 83 | #[test_case(vec![72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33] => Bytes::from("Hello World!"); "hello")] [INFO] [stdout] | ----------------------------------------------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/length_codec/length.rs:84:119 [INFO] [stdout] | [INFO] [stdout] 83 | #[test_case(vec![72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33] => Bytes::from("Hello World!"); "hello")] [INFO] [stdout] | ------------------------------------------------------------------------------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 84 | #[test_case(vec![116, 104, 105, 115, 32, 105, 115, 32, 97, 32, 110, 101, 119, 32, 119, 111, 114, 108, 100, 33] => Bytes::from("this is a new world!"); "... [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/record_codec.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 23 | fn encode(&mut self, src: Self::Item, dst: &mut BytesMut) -> Result<(), Self::Error> { [INFO] [stdout] | --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | bincode::serialize_into(dst.writer(), &src) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `servant-codec` (lib test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "03c00613bcd246c4f43537bcd34fc2d324408e13f22a763f32ae1ad0851126e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03c00613bcd246c4f43537bcd34fc2d324408e13f22a763f32ae1ad0851126e1", kill_on_drop: false }` [INFO] [stdout] 03c00613bcd246c4f43537bcd34fc2d324408e13f22a763f32ae1ad0851126e1