[INFO] fetching crate bwavfile 2.0.1...
[INFO] checking bwavfile-2.0.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate bwavfile 2.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate bwavfile 2.0.1 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 bwavfile 2.0.1
[INFO] finished tweaking crates.io crate bwavfile 2.0.1
[INFO] tweaked toml for crates.io crate bwavfile 2.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate bwavfile 2.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d50c9e3a82d74cb36f247940db1ab5c29f44a5050577ca684cdea51a8445909c
[INFO] running `Command { std: "docker" "start" "-a" "d50c9e3a82d74cb36f247940db1ab5c29f44a5050577ca684cdea51a8445909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50c9e3a82d74cb36f247940db1ab5c29f44a5050577ca684cdea51a8445909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50c9e3a82d74cb36f247940db1ab5c29f44a5050577ca684cdea51a8445909c", kill_on_drop: false }`
[INFO] [stdout] d50c9e3a82d74cb36f247940db1ab5c29f44a5050577ca684cdea51a8445909c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7cd0896327c9954605e1db27e1f8f427fd713989af2d9a0b4f143ab079d9aef3
[INFO] running `Command { std: "docker" "start" "-a" "7cd0896327c9954605e1db27e1f8f427fd713989af2d9a0b4f143ab079d9aef3", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bwavfile v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `signature` and `length_field` are never read
[INFO] [stdout]   --> src/parser.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ReadHeader {
[INFO] [stdout]    |     ---------- fields in this variant
[INFO] [stdout] 24 |         signature: FourCC,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |         length_field: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signature` is never read
[INFO] [stdout]   --> src/parser.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ReadRF64Header {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 28 |         signature: FourCC,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_size` and `long_sizes` are never read
[INFO] [stdout]   --> src/parser.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ReadDS64 {
[INFO] [stdout]    |     -------- fields in this variant
[INFO] [stdout] 31 |         file_size: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 32 |         long_sizes: HashMap<FourCC, u64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WriteWavAudioData` is never used
[INFO] [stdout]    --> src/fmt.rs:432:7
[INFO] [stdout]     |
[INFO] [stdout] 432 | trait WriteWavAudioData {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Result<(), bwavfile::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> tests/integration_test.rs:72:45
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut w = WaveReader::open(path).expect("Failure opening file");
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 70 |     let mut w = WaveReader::open(min_path).expect("Failure opening file");
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 71 |
[INFO] [stdout] 72 |     if let Err(Error::NotMinimalWaveFile) = w.validate_minimal() {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bwavfile` (test "integration_test") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this value of type `Result<(), bwavfile::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> examples/blits.rs:258:11
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let matches = App::new("blits")
[INFO] [stdout]     |         ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 258 |     match create_blits_file(&filename, sample_rate, bits_per_sample) {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bwavfile` (example "blits") due to 2 previous errors
[INFO] [stdout] warning: fields `signature` and `length_field` are never read
[INFO] [stdout]   --> src/parser.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ReadHeader {
[INFO] [stdout]    |     ---------- fields in this variant
[INFO] [stdout] 24 |         signature: FourCC,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |         length_field: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signature` is never read
[INFO] [stdout]   --> src/parser.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     ReadRF64Header {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 28 |         signature: FourCC,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_size` and `long_sizes` are never read
[INFO] [stdout]   --> src/parser.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ReadDS64 {
[INFO] [stdout]    |     -------- fields in this variant
[INFO] [stdout] 31 |         file_size: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 32 |         long_sizes: HashMap<FourCC, u64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `WriteWavAudioData` is never used
[INFO] [stdout]    --> src/fmt.rs:432:7
[INFO] [stdout]     |
[INFO] [stdout] 432 | trait WriteWavAudioData {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7cd0896327c9954605e1db27e1f8f427fd713989af2d9a0b4f143ab079d9aef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd0896327c9954605e1db27e1f8f427fd713989af2d9a0b4f143ab079d9aef3", kill_on_drop: false }`
[INFO] [stdout] 7cd0896327c9954605e1db27e1f8f427fd713989af2d9a0b4f143ab079d9aef3