[INFO] fetching crate melo 0.1.0...
[INFO] checking melo-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate melo 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate melo 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 melo 0.1.0
[INFO] finished tweaking crates.io crate melo 0.1.0
[INFO] tweaked toml for crates.io crate melo 0.1.0 written to /workspace/builds/worker-6-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 71 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding ansi_term v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding ansi_term v0.10.2 (latest: v0.12.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding byteorder v0.4.2 (latest: v1.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.16)
[INFO] [stderr]       Adding difference v1.0.0 (latest: v2.0.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.4.0)
[INFO] [stderr]       Adding lazy_static v1.0.2 (latest: v1.5.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding mktemp v0.3.1 (latest: v0.5.1)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding pretty_assertions v0.4.1 (latest: v1.4.0)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.37)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
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[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
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[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.4)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding structopt v0.1.7 (latest: v0.3.26)
[INFO] [stderr]       Adding structopt-derive v0.1.6 (latest: v0.4.18)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.77)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.5)
[INFO] [stderr]       Adding uuid v0.1.18 (latest: v1.10.0)
[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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50716363fecb6b5f16f0cb0e1cb39da76fc5dd32307510563790abaed8c9f560
[INFO] running `Command { std: "docker" "start" "-a" "50716363fecb6b5f16f0cb0e1cb39da76fc5dd32307510563790abaed8c9f560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50716363fecb6b5f16f0cb0e1cb39da76fc5dd32307510563790abaed8c9f560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50716363fecb6b5f16f0cb0e1cb39da76fc5dd32307510563790abaed8c9f560", kill_on_drop: false }`
[INFO] [stdout] 50716363fecb6b5f16f0cb0e1cb39da76fc5dd32307510563790abaed8c9f560
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7abd6f653df45aa607d97fc773029e62635b00a18674c47460c7a08cca82f3ac
[INFO] running `Command { std: "docker" "start" "-a" "7abd6f653df45aa607d97fc773029e62635b00a18674c47460c7a08cca82f3ac", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking backtrace v0.3.73
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rimd v0.0.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking melo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lexing/mod.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / lazy_static!
[INFO] [stdout] 31 | | {
[INFO] [stdout] 32 | |     static ref STRUCTURE_REGEX: Regex = Regex::new("\
[INFO] [stdout] 33 | |         (?P<keyword>part|piece|play|section|voice)|\
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         ").trust();
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lexing/mod.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / lazy_static!
[INFO] [stdout] 31 | | {
[INFO] [stdout] 32 | |     static ref STRUCTURE_REGEX: Regex = Regex::new("\
[INFO] [stdout] 33 | |         (?P<keyword>part|piece|play|section|voice)|\
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         ").trust();
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lexing/mod.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / lazy_static!
[INFO] [stdout] 31 | | {
[INFO] [stdout] 32 | |     static ref STRUCTURE_REGEX: Regex = Regex::new("\
[INFO] [stdout] 33 | |         (?P<keyword>part|piece|play|section|voice)|\
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         ").trust();
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lexing/mod.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / lazy_static!
[INFO] [stdout] 31 | | {
[INFO] [stdout] 32 | |     static ref STRUCTURE_REGEX: Regex = Regex::new("\
[INFO] [stdout] 33 | |         (?P<keyword>part|piece|play|section|voice)|\
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |         ").trust();
[INFO] [stdout] 57 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/error.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct SourceInfo
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub source: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceInfo` 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] 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/abc_generation/mod.rs:46:68
[INFO] [stdout]    |
[INFO] [stdout] 46 |         writeln!(buffer, "X:{}", index + 1).map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/abc_generation/mod.rs:51:68
[INFO] [stdout]    |
[INFO] [stdout] 51 |             writeln!(buffer, "T:{}", title).map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |             .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:62:37
[INFO] [stdout]    |
[INFO] [stdout] 62 |             .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 |         writeln!(buffer, "K:C").map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:69:41
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:73:41
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:79:45
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:93:45
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 |     writeln!(buffer).map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:143:70
[INFO] [stdout]     |
[INFO] [stdout] 143 |     writeln!(buffer, "L:1/{}", beat_division).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:329:62
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 writeln!(buffer, "|").map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:332:63
[INFO] [stdout]     |
[INFO] [stdout] 332 |             write!(buffer, "{}", note).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:341:62
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 writeln!(buffer, "|").map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:344:61
[INFO] [stdout]     |
[INFO] [stdout] 344 |             write!(buffer, "({}", n).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:347:67
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 write!(buffer, "{}", note).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:353:50
[INFO] [stdout]     |
[INFO] [stdout] 353 |     writeln!(buffer, "|").map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/error.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn fmt_err(error: Error, info: Option<SourceMap>) -> AbcGenerationError
[INFO] [stdout]    |                              ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 34 |         error: ErrorType::FormattingError { error },
[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] 
[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/lexing/mod.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 76  |     let source_map = SourceInfo::new(source, filename);
[INFO] [stdout]     |         ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 77  |
[INFO] [stdout] 78  |     let mut tokens = Vec::new();
[INFO] [stdout]     |             ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 347 |     Ok((tokens, source_map))
[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] 
[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/parsing/mod.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |       let mut voice_results = Vec::new();
[INFO] [stdout]     |               ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 165 |       let mut play_results = Vec::new();
[INFO] [stdout]     |               ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 240 |       let plays = error_swizzle(play_results)?;
[INFO] [stdout]     |           ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 241 |
[INFO] [stdout] 242 |       Ok(PieceNode {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 243 | |         title,
[INFO] [stdout] 244 | |         composer,
[INFO] [stdout] 245 | |         beats,
[INFO] [stdout] ...   |
[INFO] [stdout] 248 | |         plays,
[INFO] [stdout] 249 | |     })
[INFO] [stdout]     | |     ^
[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]     | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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] 
[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/parsing/mod.rs:596:8
[INFO] [stdout]     |
[INFO] [stdout] 399 |       let error_loc = Some(stream.peek().trust().loc.clone());
[INFO] [stdout]     |           --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 402 |       let mut staves: Vec<StaveNode> = Vec::new();
[INFO] [stdout]     |               ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 596 |       Ok(PlayNode {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 597 | |         voice,
[INFO] [stdout] 598 | |         staves,
[INFO] [stdout] 599 | |         error_loc,
[INFO] [stdout] 600 | |     })
[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] 
[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/parsing/mod.rs:513:38
[INFO] [stdout]     |
[INFO] [stdout] 513 | ...                   loc: meta.loc.clone(),
[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] 
[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/parsing/mod.rs:514:40
[INFO] [stdout]     |
[INFO] [stdout] 514 |   ...                   error: ErrorType::InvalidHit {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 515 | | ...                       stave_prefix: raw_prefix.to_owned(),
[INFO] [stdout] 516 | | ...                   },
[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] 
[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/parsing/mod.rs:524:38
[INFO] [stdout]     |
[INFO] [stdout] 524 | ...                   loc: meta.loc.clone(),
[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] 
[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/parsing/mod.rs:525:40
[INFO] [stdout]     |
[INFO] [stdout] 525 |   ...                   error: ErrorType::InvalidNote {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 526 | | ...                       note: note.to_owned(),
[INFO] [stdout] 527 | | ...                   },
[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] 
[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/parsing/error.rs:228:18
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn from(errors: Vec<ParsingError>) -> Self
[INFO] [stdout]     |             ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 228 |             loc: errors[0].loc.clone(),
[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] 
[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/parsing/error.rs:229:20
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn from(errors: Vec<ParsingError>) -> Self
[INFO] [stdout]     |             ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 229 |             error: ErrorType::MultipleParsingErrors { errors },
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 29 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `melo` (lib) due to 30 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/error.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct SourceInfo
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub source: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SourceInfo` 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] 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/abc_generation/mod.rs:46:68
[INFO] [stdout]    |
[INFO] [stdout] 46 |         writeln!(buffer, "X:{}", index + 1).map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/abc_generation/mod.rs:51:68
[INFO] [stdout]    |
[INFO] [stdout] 51 |             writeln!(buffer, "T:{}", title).map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:56:41
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |             .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:62:37
[INFO] [stdout]    |
[INFO] [stdout] 62 |             .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 |         writeln!(buffer, "K:C").map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:69:41
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:71:41
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:73:41
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:79:45
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:93:45
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     .map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 |     writeln!(buffer).map_err(|e| fmt_err(e, Some(source_map.clone())))?;
[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] 
[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/abc_generation/mod.rs:143:70
[INFO] [stdout]     |
[INFO] [stdout] 143 |     writeln!(buffer, "L:1/{}", beat_division).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:329:62
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 writeln!(buffer, "|").map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:332:63
[INFO] [stdout]     |
[INFO] [stdout] 332 |             write!(buffer, "{}", note).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:341:62
[INFO] [stdout]     |
[INFO] [stdout] 341 |                 writeln!(buffer, "|").map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:344:61
[INFO] [stdout]     |
[INFO] [stdout] 344 |             write!(buffer, "({}", n).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:347:67
[INFO] [stdout]     |
[INFO] [stdout] 347 |                 write!(buffer, "{}", note).map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/mod.rs:353:50
[INFO] [stdout]     |
[INFO] [stdout] 353 |     writeln!(buffer, "|").map_err(|e| fmt_err(e, source_map.cloned()))?;
[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] 
[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/abc_generation/error.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn fmt_err(error: Error, info: Option<SourceMap>) -> AbcGenerationError
[INFO] [stdout]    |                              ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 34 |         error: ErrorType::FormattingError { error },
[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] 
[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/lexing/mod.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 76  |     let source_map = SourceInfo::new(source, filename);
[INFO] [stdout]     |         ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 77  |
[INFO] [stdout] 78  |     let mut tokens = Vec::new();
[INFO] [stdout]     |             ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 347 |     Ok((tokens, source_map))
[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] 
[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/parsing/mod.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |       let mut voice_results = Vec::new();
[INFO] [stdout]     |               ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 165 |       let mut play_results = Vec::new();
[INFO] [stdout]     |               ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 240 |       let plays = error_swizzle(play_results)?;
[INFO] [stdout]     |           ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 241 |
[INFO] [stdout] 242 |       Ok(PieceNode {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 243 | |         title,
[INFO] [stdout] 244 | |         composer,
[INFO] [stdout] 245 | |         beats,
[INFO] [stdout] ...   |
[INFO] [stdout] 248 | |         plays,
[INFO] [stdout] 249 | |     })
[INFO] [stdout]     | |     ^
[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]     | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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] 
[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/parsing/mod.rs:596:8
[INFO] [stdout]     |
[INFO] [stdout] 399 |       let error_loc = Some(stream.peek().trust().loc.clone());
[INFO] [stdout]     |           --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 402 |       let mut staves: Vec<StaveNode> = Vec::new();
[INFO] [stdout]     |               ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 596 |       Ok(PlayNode {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 597 | |         voice,
[INFO] [stdout] 598 | |         staves,
[INFO] [stdout] 599 | |         error_loc,
[INFO] [stdout] 600 | |     })
[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] 
[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/parsing/mod.rs:513:38
[INFO] [stdout]     |
[INFO] [stdout] 513 | ...                   loc: meta.loc.clone(),
[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] 
[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/parsing/mod.rs:514:40
[INFO] [stdout]     |
[INFO] [stdout] 514 |   ...                   error: ErrorType::InvalidHit {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 515 | | ...                       stave_prefix: raw_prefix.to_owned(),
[INFO] [stdout] 516 | | ...                   },
[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] 
[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/parsing/mod.rs:524:38
[INFO] [stdout]     |
[INFO] [stdout] 524 | ...                   loc: meta.loc.clone(),
[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] 
[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/parsing/mod.rs:525:40
[INFO] [stdout]     |
[INFO] [stdout] 525 |   ...                   error: ErrorType::InvalidNote {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 526 | | ...                       note: note.to_owned(),
[INFO] [stdout] 527 | | ...                   },
[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] 
[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/parsing/error.rs:228:18
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn from(errors: Vec<ParsingError>) -> Self
[INFO] [stdout]     |             ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 228 |             loc: errors[0].loc.clone(),
[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] 
[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/parsing/error.rs:229:20
[INFO] [stdout]     |
[INFO] [stdout] 225 |     fn from(errors: Vec<ParsingError>) -> Self
[INFO] [stdout]     |             ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 229 |             error: ErrorType::MultipleParsingErrors { errors },
[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] 
[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/test_helpers.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 note_locs: Vec::new(),
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 30 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `melo` (lib test) due to 31 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7abd6f653df45aa607d97fc773029e62635b00a18674c47460c7a08cca82f3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abd6f653df45aa607d97fc773029e62635b00a18674c47460c7a08cca82f3ac", kill_on_drop: false }`
[INFO] [stdout] 7abd6f653df45aa607d97fc773029e62635b00a18674c47460c7a08cca82f3ac