[INFO] fetching crate rubrail 0.9.1... [INFO] checking rubrail-0.9.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rubrail 0.9.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate rubrail 0.9.1 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 rubrail 0.9.1 [INFO] finished tweaking crates.io crate rubrail 0.9.1 [INFO] tweaked toml for crates.io crate rubrail 0.9.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate rubrail 0.9.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8dee4c7f808b86b81f40ca393ca25def74c2cae6bd90d623441ad8b5bf953437 [INFO] running `Command { std: "docker" "start" "-a" "8dee4c7f808b86b81f40ca393ca25def74c2cae6bd90d623441ad8b5bf953437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8dee4c7f808b86b81f40ca393ca25def74c2cae6bd90d623441ad8b5bf953437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dee4c7f808b86b81f40ca393ca25def74c2cae6bd90d623441ad8b5bf953437", kill_on_drop: false }` [INFO] [stdout] 8dee4c7f808b86b81f40ca393ca25def74c2cae6bd90d623441ad8b5bf953437 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f762c07f0c723858a1407f5db02c98c3be5e8d4078f28b2e8d52d55e8adcdc45 [INFO] running `Command { std: "docker" "start" "-a" "f762c07f0c723858a1407f5db02c98c3be5e8d4078f28b2e8d52d55e8adcdc45", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling rubrail v0.9.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking log4rs v0.8.3 [INFO] [stderr] Checking fruitbasket v0.9.1 [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> examples/example.rs:92:18 [INFO] [stdout] | [INFO] [stdout] 92 | _ => (45. / translation.abs()), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 92 - _ => (45. / translation.abs()), [INFO] [stdout] 92 + _ => 45. / translation.abs(), [INFO] [stdout] | [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] --> examples/example.rs:72:45 [INFO] [stdout] | [INFO] [stdout] 55 | fn populate(bar_rc: Rc>, count: u32, stopper: fruitbasket::FruitStopper) { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 72 | populate(bar_copy.clone(), count+1, stopper.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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rubrail` (example "example") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f762c07f0c723858a1407f5db02c98c3be5e8d4078f28b2e8d52d55e8adcdc45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f762c07f0c723858a1407f5db02c98c3be5e8d4078f28b2e8d52d55e8adcdc45", kill_on_drop: false }` [INFO] [stdout] f762c07f0c723858a1407f5db02c98c3be5e8d4078f28b2e8d52d55e8adcdc45