[INFO] fetching crate io_check 0.1.2... [INFO] checking io_check-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate io_check 0.1.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate io_check 0.1.2 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 io_check 0.1.2 [INFO] finished tweaking crates.io crate io_check 0.1.2 [INFO] tweaked toml for crates.io crate io_check 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate io_check 0.1.2 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-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] fb8709c947ee40f31294ad7859be6f6b8802bba4959518f8bc30fc4f55800431 [INFO] running `Command { std: "docker" "start" "-a" "fb8709c947ee40f31294ad7859be6f6b8802bba4959518f8bc30fc4f55800431", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb8709c947ee40f31294ad7859be6f6b8802bba4959518f8bc30fc4f55800431", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb8709c947ee40f31294ad7859be6f6b8802bba4959518f8bc30fc4f55800431", kill_on_drop: false }` [INFO] [stdout] fb8709c947ee40f31294ad7859be6f6b8802bba4959518f8bc30fc4f55800431 [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] 875103014abd626544d0b9e32e1e38fe73cb63cd3c88967c528fe7883912b2ab [INFO] running `Command { std: "docker" "start" "-a" "875103014abd626544d0b9e32e1e38fe73cb63cd3c88967c528fe7883912b2ab", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking io_check v0.1.2 (/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/read.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 127 | fn test_read_no_panic(input: &[u8], f: F) -> Result<(), Error> where F: Fn(TestReader<'_>) + UnwindSafe + RefUnwindSafe { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 131 | catch_unwind(|| f(TestReader::breaking(input))) [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/read.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn test_read(input: &[u8], f: F) where F: Fn(TestReader<'_>) + UnwindSafe + RefUnwindSafe { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 123 | test_read_no_panic(input, f).unwrap_or_else(|error| error.panic()) [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 `io_check` (lib) due to 3 previous errors [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/read.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 127 | fn test_read_no_panic(input: &[u8], f: F) -> Result<(), Error> where F: Fn(TestReader<'_>) + UnwindSafe + RefUnwindSafe { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 131 | catch_unwind(|| f(TestReader::breaking(input))) [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/read.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn test_read(input: &[u8], f: F) where F: Fn(TestReader<'_>) + UnwindSafe + RefUnwindSafe { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 123 | test_read_no_panic(input, f).unwrap_or_else(|error| error.panic()) [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/write.rs:159:38 [INFO] [stdout] | [INFO] [stdout] 159 | test_write(&[], |mut writer| writer.write_all(&[42]).unwrap()); [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/write.rs:175:40 [INFO] [stdout] | [INFO] [stdout] 175 | test_write(&[42], |mut writer| writer.write_all(&[42]).unwrap()); [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/write.rs:187:40 [INFO] [stdout] | [INFO] [stdout] 187 | test_write(&[42], |mut writer| writer.write_all(&[42, 47]).unwrap()); [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/write.rs:210:44 [INFO] [stdout] | [INFO] [stdout] 210 | test_write(&[42, 47], |mut writer| writer.write_all(&[42, 47]).unwrap()); [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 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `io_check` (lib test) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "875103014abd626544d0b9e32e1e38fe73cb63cd3c88967c528fe7883912b2ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "875103014abd626544d0b9e32e1e38fe73cb63cd3c88967c528fe7883912b2ab", kill_on_drop: false }` [INFO] [stdout] 875103014abd626544d0b9e32e1e38fe73cb63cd3c88967c528fe7883912b2ab