[INFO] fetching crate iai-callgrind-runner 0.13.4... [INFO] checking iai-callgrind-runner-0.13.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate iai-callgrind-runner 0.13.4 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate iai-callgrind-runner 0.13.4 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 iai-callgrind-runner 0.13.4 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate iai-callgrind-runner 0.13.4 [INFO] tweaked toml for crates.io crate iai-callgrind-runner 0.13.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate iai-callgrind-runner 0.13.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8f2eafe90e9e19577527a0853dc1ac00d67841571a84d9a3d0c57b29441bb780 [INFO] running `Command { std: "docker" "start" "-a" "8f2eafe90e9e19577527a0853dc1ac00d67841571a84d9a3d0c57b29441bb780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f2eafe90e9e19577527a0853dc1ac00d67841571a84d9a3d0c57b29441bb780", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f2eafe90e9e19577527a0853dc1ac00d67841571a84d9a3d0c57b29441bb780", kill_on_drop: false }` [INFO] [stdout] 8f2eafe90e9e19577527a0853dc1ac00d67841571a84d9a3d0c57b29441bb780 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f524cfab1e1e8c72e6e57c3545250dc9eb880f37cf7d70279d656877944aa4f5 [INFO] running `Command { std: "docker" "start" "-a" "f524cfab1e1e8c72e6e57c3545250dc9eb880f37cf7d70279d656877944aa4f5", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling thiserror v1.0.59 [INFO] [stderr] Compiling camino v1.1.6 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking anstyle v1.0.0 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking getrandom v0.2.14 [INFO] [stderr] Checking rustix v0.38.34 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking bytemuck v1.16.3 [INFO] [stderr] Checking num-format v0.4.4 [INFO] [stderr] Checking rgb v0.8.37 [INFO] [stderr] Checking clap_builder v4.3.24 [INFO] [stderr] Compiling rstest_macros v0.18.2 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking quick-xml v0.26.0 [INFO] [stderr] Compiling iai-callgrind-runner v0.13.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking str_stack v0.1.0 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking either v1.11.0 [INFO] [stderr] Checking which v5.0.0 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Checking colored v2.0.4 [INFO] [stderr] Checking inferno v0.11.19 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Checking sdd v0.2.0 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Compiling relative-path v1.9.2 [INFO] [stderr] Checking version-compare v0.2.0 [INFO] [stderr] Checking scc v2.1.0 [INFO] [stderr] Checking parking_lot v0.12.2 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking sanitize-filename v0.5.0 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.59 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Compiling serial_test_derive v3.1.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking clap v4.3.24 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking serial_test v3.1.1 [INFO] [stderr] Checking rstest v0.18.2 [INFO] [stderr] Checking cargo-platform v0.1.5 [INFO] [stderr] Checking indexmap v2.4.0 [INFO] [stderr] Checking serde_regex v1.1.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking cargo_metadata v0.18.1 [INFO] [stdout] error: this value of type `Cow<'_, costs::Costs>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/runner/summary.rs:492:17 [INFO] [stdout] | [INFO] [stdout] 488 | let mut new_costs = Cow::Borrowed(new_costs); [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 492 | let mut old_costs = Cow::Borrowed(old_costs); [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 `Cow<'_, costs::Costs>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/runner/summary.rs:492:17 [INFO] [stdout] | [INFO] [stdout] 488 | let mut new_costs = Cow::Borrowed(new_costs); [INFO] [stdout] | ------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 492 | let mut old_costs = Cow::Borrowed(old_costs); [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 `iai-callgrind-runner` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `iai-callgrind-runner` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f524cfab1e1e8c72e6e57c3545250dc9eb880f37cf7d70279d656877944aa4f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f524cfab1e1e8c72e6e57c3545250dc9eb880f37cf7d70279d656877944aa4f5", kill_on_drop: false }` [INFO] [stdout] f524cfab1e1e8c72e6e57c3545250dc9eb880f37cf7d70279d656877944aa4f5