[INFO] fetching crate torrust-serde-bencode 0.2.3...
[INFO] checking torrust-serde-bencode-0.2.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate torrust-serde-bencode 0.2.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate torrust-serde-bencode 0.2.3 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 torrust-serde-bencode 0.2.3
[INFO] finished tweaking crates.io crate torrust-serde-bencode 0.2.3
[INFO] tweaked toml for crates.io crate torrust-serde-bencode 0.2.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate torrust-serde-bencode 0.2.3 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] b16f73e3c0aebcb86622c8938c2bf7bebb1395bd085e252aa801bfe94ccacc33
[INFO] running `Command { std: "docker" "start" "-a" "b16f73e3c0aebcb86622c8938c2bf7bebb1395bd085e252aa801bfe94ccacc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b16f73e3c0aebcb86622c8938c2bf7bebb1395bd085e252aa801bfe94ccacc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16f73e3c0aebcb86622c8938c2bf7bebb1395bd085e252aa801bfe94ccacc33", kill_on_drop: false }`
[INFO] [stdout] b16f73e3c0aebcb86622c8938c2bf7bebb1395bd085e252aa801bfe94ccacc33
[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] 6fcfeb41f6b454cc8b599b0778b2b8e92d1ac3c2c96eaa56fab6610cf37c42a7
[INFO] running `Command { std: "docker" "start" "-a" "6fcfeb41f6b454cc8b599b0778b2b8e92d1ac3c2c96eaa56fab6610cf37c42a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking torrust-serde-bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/parse_torrent.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Node(String, i64);
[INFO] [stdout]    |        ---- ^^^^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Node` 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: fields `pieces` and `length` are never read
[INFO] [stdout]   --> examples/parse_torrent.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Info {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 24 |     pub name: String,
[INFO] [stdout] 25 |     pub pieces: ByteBuf,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub length: Option<i64>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Info` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]   --> examples/parse_torrent.rs:99:11
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut handle = stdin.lock();
[INFO] [stdout]    |             ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 99 |     match handle.read_to_end(&mut buffer) {
[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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `torrust-serde-bencode` (example "parse_torrent") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6fcfeb41f6b454cc8b599b0778b2b8e92d1ac3c2c96eaa56fab6610cf37c42a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcfeb41f6b454cc8b599b0778b2b8e92d1ac3c2c96eaa56fab6610cf37c42a7", kill_on_drop: false }`
[INFO] [stdout] 6fcfeb41f6b454cc8b599b0778b2b8e92d1ac3c2c96eaa56fab6610cf37c42a7