[INFO] fetching crate mbryant-aoc2021 0.25.1... [INFO] checking mbryant-aoc2021-0.25.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mbryant-aoc2021 0.25.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mbryant-aoc2021 0.25.1 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 mbryant-aoc2021 0.25.1 [INFO] finished tweaking crates.io crate mbryant-aoc2021 0.25.1 [INFO] tweaked toml for crates.io crate mbryant-aoc2021 0.25.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate mbryant-aoc2021 0.25.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9cefe8ee356d23cee94f27cc6435a6be5012267959053ff214843465274c7203 [INFO] running `Command { std: "docker" "start" "-a" "9cefe8ee356d23cee94f27cc6435a6be5012267959053ff214843465274c7203", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cefe8ee356d23cee94f27cc6435a6be5012267959053ff214843465274c7203", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cefe8ee356d23cee94f27cc6435a6be5012267959053ff214843465274c7203", kill_on_drop: false }` [INFO] [stdout] 9cefe8ee356d23cee94f27cc6435a6be5012267959053ff214843465274c7203 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6408834c410cfaa8a61d695e9f5f40d833f23927672d46c30644e85bc109c7f3 [INFO] running `Command { std: "docker" "start" "-a" "6408834c410cfaa8a61d695e9f5f40d833f23927672d46c30644e85bc109c7f3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling argh_shared v0.1.6 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking arrayvec v0.7.2 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking bit v0.1.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling argh_derive v0.1.6 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking argh v0.1.6 [INFO] [stderr] Checking mbryant-aoc2021 v0.25.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking csv v1.1.6 [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/lib.rs:275:17 [INFO] [stdout] | [INFO] [stdout] 274 | .map(|lines| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 275 | / lines [INFO] [stdout] 276 | | .skip(1) [INFO] [stdout] 277 | | .take(BOARD_SIZE) [INFO] [stdout] 278 | | .map(|line| { [INFO] [stdout] ... | [INFO] [stdout] 285 | | }) [INFO] [stdout] 286 | | .collect::>() [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] --> src/lib.rs:1057:22 [INFO] [stdout] | [INFO] [stdout] 1034 | let mut stack = ArrayVec::::new(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1057 | Some(stack.into_iter().rev().fold(0, |score, next| { [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:1474:23 [INFO] [stdout] | [INFO] [stdout] 1471 | let mut hashes = IndexSet::with_capacity(MAX_RULES); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1474 | template: lines [INFO] [stdout] | _______________________^ [INFO] [stdout] 1475 | | .next() [INFO] [stdout] 1476 | | .expect("Must be a template") [INFO] [stdout] 1477 | | .bytes() [INFO] [stdout] 1478 | | .map(|b| b - b'A') [INFO] [stdout] 1479 | | .collect(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:1480:20 [INFO] [stdout] | [INFO] [stdout] 1471 | let mut hashes = IndexSet::with_capacity(MAX_RULES); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1480 | rules: lines [INFO] [stdout] | ____________________^ [INFO] [stdout] 1481 | | .skip(1) [INFO] [stdout] 1482 | | .map(|x| x.as_bytes()) [INFO] [stdout] 1483 | | .map(|x| { [INFO] [stdout] ... | [INFO] [stdout] 1495 | | }) [INFO] [stdout] 1496 | | .collect(), [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mbryant-aoc2021` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6408834c410cfaa8a61d695e9f5f40d833f23927672d46c30644e85bc109c7f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6408834c410cfaa8a61d695e9f5f40d833f23927672d46c30644e85bc109c7f3", kill_on_drop: false }` [INFO] [stdout] 6408834c410cfaa8a61d695e9f5f40d833f23927672d46c30644e85bc109c7f3