[INFO] fetching crate io-streams 0.16.3... [INFO] checking io-streams-0.16.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate io-streams 0.16.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate io-streams 0.16.3 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 io-streams 0.16.3 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate io-streams 0.16.3 [INFO] tweaked toml for crates.io crate io-streams 0.16.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate io-streams 0.16.3 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09b5961643ee5c4f65cfe5f0260e8d7d4e4ede5344b11fbf8bd55e119c3efe43 [INFO] running `Command { std: "docker" "start" "-a" "09b5961643ee5c4f65cfe5f0260e8d7d4e4ede5344b11fbf8bd55e119c3efe43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09b5961643ee5c4f65cfe5f0260e8d7d4e4ede5344b11fbf8bd55e119c3efe43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09b5961643ee5c4f65cfe5f0260e8d7d4e4ede5344b11fbf8bd55e119c3efe43", kill_on_drop: false }` [INFO] [stdout] 09b5961643ee5c4f65cfe5f0260e8d7d4e4ede5344b11fbf8bd55e119c3efe43 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9d2bc4f7a51ac163ca9a7696478ff82bcc3474fb3c905c262280207f76470a7 [INFO] running `Command { std: "docker" "start" "-a" "c9d2bc4f7a51ac163ca9a7696478ff82bcc3474fb3c905c262280207f76470a7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling io-lifetimes v2.0.3 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling io-extras v0.18.2 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling socketpair v0.19.5 [INFO] [stderr] Compiling cap-primitives v3.2.0 [INFO] [stderr] Compiling char-device v0.16.4 [INFO] [stderr] Compiling system-interface v0.27.2 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Compiling cap-std v3.2.0 [INFO] [stderr] Checking ambient-authority v0.0.2 [INFO] [stderr] Checking maybe-owned v0.3.4 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling io-streams v0.16.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking os_pipe v1.2.1 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking uuid v1.10.0 [INFO] [stderr] Checking fs-set-times v0.20.1 [INFO] [stderr] Checking duplex v0.16.0 [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/buffered/buf_duplexer.rs:473:15 [INFO] [stdout] | [INFO] [stdout] 472 | pub fn into_inner(mut self) -> Result> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 473 | match self.flush_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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `io-streams` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c9d2bc4f7a51ac163ca9a7696478ff82bcc3474fb3c905c262280207f76470a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9d2bc4f7a51ac163ca9a7696478ff82bcc3474fb3c905c262280207f76470a7", kill_on_drop: false }` [INFO] [stdout] c9d2bc4f7a51ac163ca9a7696478ff82bcc3474fb3c905c262280207f76470a7