[INFO] fetching crate minimp3_fixed 0.5.4... [INFO] checking minimp3_fixed-0.5.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate minimp3_fixed 0.5.4 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate minimp3_fixed 0.5.4 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 minimp3_fixed 0.5.4 [INFO] finished tweaking crates.io crate minimp3_fixed 0.5.4 [INFO] tweaked toml for crates.io crate minimp3_fixed 0.5.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate minimp3_fixed 0.5.4 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] db21960905ffca8eefdc048dc12d9a83b3c61d6ae89fac8135277dbd4713350d [INFO] running `Command { std: "docker" "start" "-a" "db21960905ffca8eefdc048dc12d9a83b3c61d6ae89fac8135277dbd4713350d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db21960905ffca8eefdc048dc12d9a83b3c61d6ae89fac8135277dbd4713350d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db21960905ffca8eefdc048dc12d9a83b3c61d6ae89fac8135277dbd4713350d", kill_on_drop: false }` [INFO] [stdout] db21960905ffca8eefdc048dc12d9a83b3c61d6ae89fac8135277dbd4713350d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9c98e7b83315a93e653abb3aebf75c14d51d2150c6d8adad75add53cf040133e [INFO] running `Command { std: "docker" "start" "-a" "9c98e7b83315a93e653abb3aebf75c14d51d2150c6d8adad75add53cf040133e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling thiserror v1.0.44 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking slice-ring-buffer v0.3.2 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling thiserror-impl v1.0.44 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking minimp3_fixed v0.5.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stdout] warning: unused variable: `sample_rate` [INFO] [stdout] --> examples/example.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | sample_rate, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `sample_rate: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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] --> examples/example.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 6 | let mut decoder = [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 10 | match decoder.next_frame() { [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] [stderr] error: could not compile `minimp3_fixed` (example "example") due to 2 previous errors; 1 warning emitted [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9c98e7b83315a93e653abb3aebf75c14d51d2150c6d8adad75add53cf040133e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c98e7b83315a93e653abb3aebf75c14d51d2150c6d8adad75add53cf040133e", kill_on_drop: false }` [INFO] [stdout] 9c98e7b83315a93e653abb3aebf75c14d51d2150c6d8adad75add53cf040133e