[INFO] fetching crate rcombinators 0.1.0... [INFO] checking rcombinators-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate rcombinators 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate rcombinators 0.1.0 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 rcombinators 0.1.0 [INFO] finished tweaking crates.io crate rcombinators 0.1.0 [INFO] tweaked toml for crates.io crate rcombinators 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9d5a4a1b3db6ca8f4ab480807740980eab5508197fb4b8a0a8f9aa8c0afeae6f [INFO] running `Command { std: "docker" "start" "-a" "9d5a4a1b3db6ca8f4ab480807740980eab5508197fb4b8a0a8f9aa8c0afeae6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d5a4a1b3db6ca8f4ab480807740980eab5508197fb4b8a0a8f9aa8c0afeae6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d5a4a1b3db6ca8f4ab480807740980eab5508197fb4b8a0a8f9aa8c0afeae6f", kill_on_drop: false }` [INFO] [stdout] 9d5a4a1b3db6ca8f4ab480807740980eab5508197fb4b8a0a8f9aa8c0afeae6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2a6ce45069fa33e09f9489cb35319970b0bbf891885a4c51f5b62599664292c6 [INFO] running `Command { std: "docker" "start" "-a" "2a6ce45069fa33e09f9489cb35319970b0bbf891885a4c51f5b62599664292c6", kill_on_drop: false }` [INFO] [stderr] Checking utf8reader v0.1.0 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking time-test v0.2.3 [INFO] [stderr] Checking rcombinators v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/primitives.rs:158:44 [INFO] [stdout] | [INFO] [stdout] 158 | Err(ParseError::ExecFail(e.description().to_string())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/primitives.rs:177:40 [INFO] [stdout] | [INFO] [stdout] 177 | Err(e) => return Err(execerr(e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/primitives.rs:184:44 [INFO] [stdout] | [INFO] [stdout] 184 | Err(e) => return Err(execerr(e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/combinators.rs:556:17 [INFO] [stdout] | [INFO] [stdout] 555 | panic!("lazy should not run this function!"); [INFO] [stdout] | -------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 556 | Uint8::new() [INFO] [stdout] | ^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/primitives.rs:158:44 [INFO] [stdout] | [INFO] [stdout] 158 | Err(ParseError::ExecFail(e.description().to_string())) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/primitives.rs:177:40 [INFO] [stdout] | [INFO] [stdout] 177 | Err(e) => return Err(execerr(e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/primitives.rs:184:44 [INFO] [stdout] | [INFO] [stdout] 184 | Err(e) => return Err(execerr(e.description())), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/primitives.rs:353:24 [INFO] [stdout] | [INFO] [stdout] 350 | let mut p = float(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 353 | assert_eq!(Ok(f), p.parse(&mut ps)); [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rcombinators` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2a6ce45069fa33e09f9489cb35319970b0bbf891885a4c51f5b62599664292c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a6ce45069fa33e09f9489cb35319970b0bbf891885a4c51f5b62599664292c6", kill_on_drop: false }` [INFO] [stdout] 2a6ce45069fa33e09f9489cb35319970b0bbf891885a4c51f5b62599664292c6