[INFO] fetching crate homopolymer-compress 1.0.0... [INFO] checking homopolymer-compress-1.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate homopolymer-compress 1.0.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate homopolymer-compress 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 homopolymer-compress 1.0.0 [INFO] finished tweaking crates.io crate homopolymer-compress 1.0.0 [INFO] tweaked toml for crates.io crate homopolymer-compress 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate homopolymer-compress 1.0.0 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ddc4c64ed0692c4dfa7007bb5fb57e0a2f0da3c532934443264f22d79bad1feb [INFO] running `Command { std: "docker" "start" "-a" "ddc4c64ed0692c4dfa7007bb5fb57e0a2f0da3c532934443264f22d79bad1feb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ddc4c64ed0692c4dfa7007bb5fb57e0a2f0da3c532934443264f22d79bad1feb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddc4c64ed0692c4dfa7007bb5fb57e0a2f0da3c532934443264f22d79bad1feb", kill_on_drop: false }` [INFO] [stdout] ddc4c64ed0692c4dfa7007bb5fb57e0a2f0da3c532934443264f22d79bad1feb [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45488848d06a2e8675f4215425680258c14835d8df5dae2c79a77745d8c29f46 [INFO] running `Command { std: "docker" "start" "-a" "45488848d06a2e8675f4215425680258c14835d8df5dae2c79a77745d8c29f46", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libm v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling feature-probe v0.1.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Compiling anyhow v1.0.55 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling bv v0.11.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling crossbeam-queue v0.3.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking fixedbitset v0.4.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking strum v0.23.0 [INFO] [stderr] Checking bytecount v0.6.2 [INFO] [stderr] Checking triple_accel v0.4.0 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking simba v0.5.1 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking simplelog v0.11.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling strum_macros v0.23.1 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Compiling enum-map-derive v0.6.0 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling getset v0.1.2 [INFO] [stderr] Checking enum-map v1.1.1 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking bio-types v0.12.1 [INFO] [stderr] Checking clap v3.1.5 [INFO] [stderr] Checking nalgebra v0.27.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking multimap v0.8.3 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking statrs v0.15.0 [INFO] [stderr] Checking bio v0.40.0 [INFO] [stderr] Checking homopolymer-compress v1.0.0 (/opt/rustwide/workdir) [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:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | input: Input, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | ) -> impl 'output + Iterator { [INFO] [stdout] 13 | / input [INFO] [stdout] 14 | | .into_iter() [INFO] [stdout] 15 | | .scan(None, |previous_item, item| { [INFO] [stdout] 16 | | if let Some(previous_item) = previous_item.as_mut() { [INFO] [stdout] ... | [INFO] [stdout] 26 | | } [INFO] [stdout] 27 | | }) [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] [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:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | input: Input, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | ) -> impl 'output + Iterator { [INFO] [stdout] 13 | / input [INFO] [stdout] 14 | | .into_iter() [INFO] [stdout] 15 | | .scan(None, |previous_item, item| { [INFO] [stdout] 16 | | if let Some(previous_item) = previous_item.as_mut() { [INFO] [stdout] ... | [INFO] [stdout] 26 | | } [INFO] [stdout] 27 | | }) [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] [stderr] error: could not compile `homopolymer-compress` (lib test) due to 2 previous errors [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `homopolymer-compress` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "45488848d06a2e8675f4215425680258c14835d8df5dae2c79a77745d8c29f46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45488848d06a2e8675f4215425680258c14835d8df5dae2c79a77745d8c29f46", kill_on_drop: false }` [INFO] [stdout] 45488848d06a2e8675f4215425680258c14835d8df5dae2c79a77745d8c29f46