[INFO] fetching crate tokio-copy-with-buffer 0.1.0... [INFO] checking tokio-copy-with-buffer-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate tokio-copy-with-buffer 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate tokio-copy-with-buffer 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 tokio-copy-with-buffer 0.1.0 [INFO] finished tweaking crates.io crate tokio-copy-with-buffer 0.1.0 [INFO] tweaked toml for crates.io crate tokio-copy-with-buffer 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.7.1) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [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] 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5c8346aa0086a96393a64e93ea5aca4f61b248abecb0d2a34ece55c4ef89e62 [INFO] running `Command { std: "docker" "start" "-a" "e5c8346aa0086a96393a64e93ea5aca4f61b248abecb0d2a34ece55c4ef89e62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5c8346aa0086a96393a64e93ea5aca4f61b248abecb0d2a34ece55c4ef89e62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5c8346aa0086a96393a64e93ea5aca4f61b248abecb0d2a34ece55c4ef89e62", kill_on_drop: false }` [INFO] [stdout] e5c8346aa0086a96393a64e93ea5aca4f61b248abecb0d2a34ece55c4ef89e62 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe47e9bd2bce634075277d43169291f6de5af1856874782c23036d8e769ece96 [INFO] running `Command { std: "docker" "start" "-a" "fe47e9bd2bce634075277d43169291f6de5af1856874782c23036d8e769ece96", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-copy-with-buffer v0.1.0 (/opt/rustwide/workdir) [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/lib.rs:51:38 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn copy(reader: R, writer: W) -> Copy [INFO] [stdout] | --------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | copy_with_buffer(reader, writer, Box::new([0; 65536])) [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/lib.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn copy_with_buffer(reader: R, writer: W, buffer: Box<[u8]>) -> Copy [INFO] [stdout] | --------- --------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | reader: Some(reader), [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/lib.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn copy_with_buffer(reader: R, writer: W, buffer: Box<[u8]>) -> Copy [INFO] [stdout] | --------- --------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | writer: Some(writer), [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/lib.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn copy_with_buffer(reader: R, writer: W, buffer: Box<[u8]>) -> Copy [INFO] [stdout] | --------- --------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | buffer: Some(buffer), [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 4 previous errors [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/lib.rs:51:38 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn copy(reader: R, writer: W) -> Copy [INFO] [stdout] | --------- --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | copy_with_buffer(reader, writer, Box::new([0; 65536])) [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/lib.rs:64:17 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn copy_with_buffer(reader: R, writer: W, buffer: Box<[u8]>) -> Copy [INFO] [stdout] | --------- --------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | reader: Some(reader), [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/lib.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn copy_with_buffer(reader: R, writer: W, buffer: Box<[u8]>) -> Copy [INFO] [stdout] | --------- --------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 66 | writer: Some(writer), [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/lib.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn copy_with_buffer(reader: R, writer: W, buffer: Box<[u8]>) -> Copy [INFO] [stdout] | --------- --------- ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | buffer: Some(buffer), [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tokio-copy-with-buffer` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tokio-copy-with-buffer` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "fe47e9bd2bce634075277d43169291f6de5af1856874782c23036d8e769ece96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe47e9bd2bce634075277d43169291f6de5af1856874782c23036d8e769ece96", kill_on_drop: false }` [INFO] [stdout] fe47e9bd2bce634075277d43169291f6de5af1856874782c23036d8e769ece96