[INFO] fetching crate lag 0.1.1... [INFO] checking lag-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate lag 0.1.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate lag 0.1.1 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 lag 0.1.1 [INFO] finished tweaking crates.io crate lag 0.1.1 [INFO] tweaked toml for crates.io crate lag 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate lag 0.1.1 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] 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] ed257b2c053673d48a671120d48b0c16030a040bf8da782805207f31f45d5486 [INFO] running `Command { std: "docker" "start" "-a" "ed257b2c053673d48a671120d48b0c16030a040bf8da782805207f31f45d5486", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed257b2c053673d48a671120d48b0c16030a040bf8da782805207f31f45d5486", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed257b2c053673d48a671120d48b0c16030a040bf8da782805207f31f45d5486", kill_on_drop: false }` [INFO] [stdout] ed257b2c053673d48a671120d48b0c16030a040bf8da782805207f31f45d5486 [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] 9c0ee3b3bf8adcb04780904d29d56f09e01cd690c81a0fae059f642c2d8c88ec [INFO] running `Command { std: "docker" "start" "-a" "9c0ee3b3bf8adcb04780904d29d56f09e01cd690c81a0fae059f642c2d8c88ec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.10 [INFO] [stderr] Compiling proc-macro-error v0.4.10 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking lazysort v0.2.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking crossterm v0.14.2 [INFO] [stderr] Checking crossterm v0.16.0 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking backtrace v0.3.44 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking tui v0.8.0 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking structopt v0.3.9 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking lag v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/app.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | (0..self.lines.len()) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 209 - (0..self.lines.len()) [INFO] [stdout] 209 + 0..self.lines.len() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/app.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | (0..self.lines.len()) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 209 - (0..self.lines.len()) [INFO] [stdout] 209 + 0..self.lines.len() [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] --> src/replay.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `description` is never read [INFO] [stdout] --> src/chart.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 189 | struct ZoomTestCase { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 190 | description: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ZoomTestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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] --> src/replay.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lag` (bin "lag") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lag` (bin "lag" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9c0ee3b3bf8adcb04780904d29d56f09e01cd690c81a0fae059f642c2d8c88ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c0ee3b3bf8adcb04780904d29d56f09e01cd690c81a0fae059f642c2d8c88ec", kill_on_drop: false }` [INFO] [stdout] 9c0ee3b3bf8adcb04780904d29d56f09e01cd690c81a0fae059f642c2d8c88ec