[INFO] fetching crate coupe 0.1.0... [INFO] checking coupe-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate coupe 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate coupe 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate coupe 0.1.0 [INFO] finished tweaking crates.io crate coupe 0.1.0 [INFO] tweaked toml for crates.io crate coupe 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate coupe 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5479b030aaaae0b1b4ca7031afeb04930287ac233201eb2675ff0697b8bcc925 [INFO] running `Command { std: "docker" "start" "-a" "5479b030aaaae0b1b4ca7031afeb04930287ac233201eb2675ff0697b8bcc925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5479b030aaaae0b1b4ca7031afeb04930287ac233201eb2675ff0697b8bcc925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5479b030aaaae0b1b4ca7031afeb04930287ac233201eb2675ff0697b8bcc925", kill_on_drop: false }` [INFO] [stdout] 5479b030aaaae0b1b4ca7031afeb04930287ac233201eb2675ff0697b8bcc925 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98564a289f72983984a5849b6822b3b68d28f996d5f6715da043dbd3eed737a2 [INFO] running `Command { std: "docker" "start" "-a" "98564a289f72983984a5849b6822b3b68d28f996d5f6715da043dbd3eed737a2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking tracing-core v0.1.23 [INFO] [stderr] Compiling num-bigint v0.4.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking bytemuck v1.7.2 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking matrixmultiply v0.3.1 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking wide v0.7.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking tracing-subscriber v0.3.9 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking approx v0.5.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking async-lock v2.5.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking ndarray v0.15.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking gnuplot v0.0.35 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking tracing-tree v0.2.0 [INFO] [stderr] Checking rand_distr v0.4.2 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking simba v0.6.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking sprs v0.11.0 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling nalgebra-macros v0.1.0 [INFO] [stderr] Checking tracing v0.1.32 [INFO] [stderr] Checking tracing-chrome v0.4.0 [INFO] [stderr] Checking nalgebra v0.29.0 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking coupe v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `hilbert` is never read [INFO] [stdout] --> src/algorithms/k_means.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 53 | pub struct BalancedKmeansSettings { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 60 | pub hilbert: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BalancedKmeansSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hilbert` is never read [INFO] [stdout] --> src/algorithms/k_means.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 53 | pub struct BalancedKmeansSettings { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 60 | pub hilbert: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BalancedKmeansSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "98564a289f72983984a5849b6822b3b68d28f996d5f6715da043dbd3eed737a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98564a289f72983984a5849b6822b3b68d28f996d5f6715da043dbd3eed737a2", kill_on_drop: false }` [INFO] [stdout] 98564a289f72983984a5849b6822b3b68d28f996d5f6715da043dbd3eed737a2