[INFO] fetching crate mcp794xx 0.3.0... [INFO] checking mcp794xx-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mcp794xx 0.3.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mcp794xx 0.3.0 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 mcp794xx 0.3.0 [INFO] finished tweaking crates.io crate mcp794xx 0.3.0 [INFO] tweaked toml for crates.io crate mcp794xx 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate mcp794xx 0.3.0 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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c586eaf10c7b1acb3bc15bd92c6ec5595e9f69624fa511ec5b9ffce6f78f526d [INFO] running `Command { std: "docker" "start" "-a" "c586eaf10c7b1acb3bc15bd92c6ec5595e9f69624fa511ec5b9ffce6f78f526d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c586eaf10c7b1acb3bc15bd92c6ec5595e9f69624fa511ec5b9ffce6f78f526d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c586eaf10c7b1acb3bc15bd92c6ec5595e9f69624fa511ec5b9ffce6f78f526d", kill_on_drop: false }` [INFO] [stdout] c586eaf10c7b1acb3bc15bd92c6ec5595e9f69624fa511ec5b9ffce6f78f526d [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1df5374c6d7f36dc87540c036146f626ed0cbd298b47edb08afb558d3bcbc0e6 [INFO] running `Command { std: "docker" "start" "-a" "1df5374c6d7f36dc87540c036146f626ed0cbd298b47edb08afb558d3bcbc0e6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.131 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking embedded-hal-mock v0.8.0 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking rtcc v0.3.0 [INFO] [stderr] Checking mcp794xx v0.3.0 (/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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 497 | create_destroy_i2c!(Mcp7940n, new_mcp7940n); [INFO] [stdout] | ------------------------------------------- in this macro invocation [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] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 498 | create_destroy_i2c!(Mcp7940m, new_mcp7940m); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 499 | create_destroy_i2c!(Mcp79400, new_mcp79400); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 500 | create_destroy_i2c!(Mcp79401, new_mcp79401); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 501 | create_destroy_i2c!(Mcp79402, new_mcp79402); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 502 | create_destroy_i2c!(Mcp79410, new_mcp79410); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 503 | create_destroy_i2c!(Mcp79411, new_mcp79411); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [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:478:28 [INFO] [stdout] | [INFO] [stdout] 476 | pub fn $create(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 477 | Mcp794xx { [INFO] [stdout] 478 | iface: I2cInterface { i2c }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 504 | create_destroy_i2c!(Mcp79412, new_mcp79412); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `create_destroy_i2c` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mcp794xx` (lib) due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1df5374c6d7f36dc87540c036146f626ed0cbd298b47edb08afb558d3bcbc0e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1df5374c6d7f36dc87540c036146f626ed0cbd298b47edb08afb558d3bcbc0e6", kill_on_drop: false }` [INFO] [stdout] 1df5374c6d7f36dc87540c036146f626ed0cbd298b47edb08afb558d3bcbc0e6