[INFO] fetching crate yee 0.2.2... [INFO] checking yee-0.2.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate yee 0.2.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate yee 0.2.2 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 yee 0.2.2 [INFO] finished tweaking crates.io crate yee 0.2.2 [INFO] tweaked toml for crates.io crate yee 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate yee 0.2.2 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] [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-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] 728bd92b7012117a855845cfc2dc51ee36cd768f03b5f90e636d07437e0d20b3 [INFO] running `Command { std: "docker" "start" "-a" "728bd92b7012117a855845cfc2dc51ee36cd768f03b5f90e636d07437e0d20b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "728bd92b7012117a855845cfc2dc51ee36cd768f03b5f90e636d07437e0d20b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "728bd92b7012117a855845cfc2dc51ee36cd768f03b5f90e636d07437e0d20b3", kill_on_drop: false }` [INFO] [stdout] 728bd92b7012117a855845cfc2dc51ee36cd768f03b5f90e636d07437e0d20b3 [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] b5e396ec643e2025327c91f1c18622a996f9092cc0363c609dbfdbc832a6a7aa [INFO] running `Command { std: "docker" "start" "-a" "b5e396ec643e2025327c91f1c18622a996f9092cc0363c609dbfdbc832a6a7aa", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking encode_unicode v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking prettytable-rs v0.9.0 [INFO] [stderr] Checking yee v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `support` is never read [INFO] [stdout] --> src/bulb.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Bulb { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub support: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Bulb` has derived impls for the traits `Clone` and `Debug`, but these are 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/main.rs:250:11 [INFO] [stdout] | [INFO] [stdout] 238 | let mut stream = TcpStream::connect(ip).expect("Couldn't start the stream."); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 250 | match stream.read(&mut buf) { [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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `yee` (bin "yee") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `support` is never read [INFO] [stdout] --> src/bulb.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Bulb { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub support: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Bulb` has derived impls for the traits `Clone` and `Debug`, but these are 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/main.rs:250:11 [INFO] [stdout] | [INFO] [stdout] 238 | let mut stream = TcpStream::connect(ip).expect("Couldn't start the stream."); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 250 | match stream.read(&mut buf) { [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: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `yee` (bin "yee" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "b5e396ec643e2025327c91f1c18622a996f9092cc0363c609dbfdbc832a6a7aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5e396ec643e2025327c91f1c18622a996f9092cc0363c609dbfdbc832a6a7aa", kill_on_drop: false }` [INFO] [stdout] b5e396ec643e2025327c91f1c18622a996f9092cc0363c609dbfdbc832a6a7aa