[INFO] fetching crate tailsome 1.0.0... [INFO] checking tailsome-1.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate tailsome 1.0.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate tailsome 1.0.0 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 tailsome 1.0.0 [INFO] finished tweaking crates.io crate tailsome 1.0.0 [INFO] tweaked toml for crates.io crate tailsome 1.0.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding rstest v0.16.0 (latest: v0.22.0) [INFO] [stderr] Adding rstest_macros v0.16.0 (latest: v0.22.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcffb73084c120e662de42bc252132c3770dd579e6eb1311b8f9f94fd4923283 [INFO] running `Command { std: "docker" "start" "-a" "dcffb73084c120e662de42bc252132c3770dd579e6eb1311b8f9f94fd4923283", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcffb73084c120e662de42bc252132c3770dd579e6eb1311b8f9f94fd4923283", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcffb73084c120e662de42bc252132c3770dd579e6eb1311b8f9f94fd4923283", kill_on_drop: false }` [INFO] [stdout] dcffb73084c120e662de42bc252132c3770dd579e6eb1311b8f9f94fd4923283 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b46175a387fb62f39d86948c2767efba58f0621533111d8dc3003de18bc0306 [INFO] running `Command { std: "docker" "start" "-a" "2b46175a387fb62f39d86948c2767efba58f0621533111d8dc3003de18bc0306", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking tailsome v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling rstest_macros v0.16.0 [INFO] [stderr] Checking rstest v0.16.0 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> tests/result.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | Err(_) => unreachable!(), [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` 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] --> tests/result.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 15 | fn anything_can_be_ok(#[case] anything: T) { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 16 | match anything.clone().into_ok::() { [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/result.rs:29:11 [INFO] [stdout] | [INFO] [stdout] 28 | fn anything_can_be_err(#[case] anything: T) { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | match anything.clone().into_err::<()>() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [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] --> tests/some.rs:15:11 [INFO] [stdout] | [INFO] [stdout] 14 | fn anything_can_be_something(#[case] anything: T) { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | match anything.clone().into_some() { [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 `tailsome` (test "result") due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tailsome` (test "some") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "2b46175a387fb62f39d86948c2767efba58f0621533111d8dc3003de18bc0306", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b46175a387fb62f39d86948c2767efba58f0621533111d8dc3003de18bc0306", kill_on_drop: false }` [INFO] [stdout] 2b46175a387fb62f39d86948c2767efba58f0621533111d8dc3003de18bc0306