[INFO] fetching crate qvnt-qasm 0.2.0... [INFO] checking qvnt-qasm-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate qvnt-qasm 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate qvnt-qasm 0.2.0 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 qvnt-qasm 0.2.0 [INFO] finished tweaking crates.io crate qvnt-qasm 0.2.0 [INFO] tweaked toml for crates.io crate qvnt-qasm 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate qvnt-qasm 0.2.0 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: file `/workspace/builds/worker-2-tc2/source/examples/main.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `main` [INFO] [stderr] * `example` target `main` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f6016d5c88d63d10233ddec920c20fe6a7f186438ca8fbd7c116652745fa12c1 [INFO] running `Command { std: "docker" "start" "-a" "f6016d5c88d63d10233ddec920c20fe6a7f186438ca8fbd7c116652745fa12c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6016d5c88d63d10233ddec920c20fe6a7f186438ca8fbd7c116652745fa12c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6016d5c88d63d10233ddec920c20fe6a7f186438ca8fbd7c116652745fa12c1", kill_on_drop: false }` [INFO] [stdout] f6016d5c88d63d10233ddec920c20fe6a7f186438ca8fbd7c116652745fa12c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 861f9d963cac7040ca8dc04ebaa0e7040c7dcca6e7c4fa3c1a6186d833a023e7 [INFO] running `Command { std: "docker" "start" "-a" "861f9d963cac7040ca8dc04ebaa0e7040c7dcca6e7c4fa3c1a6186d833a023e7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: file `/opt/rustwide/workdir/examples/main.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `main` [INFO] [stderr] * `example` target `main` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking qvnt-qasm v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:345:86 [INFO] [stdout] | [INFO] [stdout] 345 | pub fn parse<'t, I>(mut tokens: token::TokenTree<'t, I>) -> Result>, Error> [INFO] [stdout] | -- lifetime `'t` declared here ^^^^^ this elided lifetime gets resolved as `'t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/lib.rs:345:86 [INFO] [stdout] | [INFO] [stdout] 345 | pub fn parse<'t, I>(mut tokens: token::TokenTree<'t, I>) -> Result>, Error> [INFO] [stdout] | -- lifetime `'t` declared here ^^^^^ this elided lifetime gets resolved as `'t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result>, qasm::Error<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/main.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 12 | let tokens = lex(processed); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | [INFO] [stdout] 14 | match parse(tokens.clone()) { [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 `qvnt-qasm` (example "main") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result>, qasm::Error<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/main.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 12 | let tokens = lex(processed); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | [INFO] [stdout] 14 | match parse(tokens.clone()) { [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: this value of type `Result>, qasm::Error<'_>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/main.rs:14:11 [INFO] [stdout] | [INFO] [stdout] 12 | let tokens = lex(processed); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | [INFO] [stdout] 14 | match parse(tokens.clone()) { [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 `qvnt-qasm` (bin "main" test) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `qvnt-qasm` (bin "main") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "861f9d963cac7040ca8dc04ebaa0e7040c7dcca6e7c4fa3c1a6186d833a023e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "861f9d963cac7040ca8dc04ebaa0e7040c7dcca6e7c4fa3c1a6186d833a023e7", kill_on_drop: false }` [INFO] [stdout] 861f9d963cac7040ca8dc04ebaa0e7040c7dcca6e7c4fa3c1a6186d833a023e7