[INFO] fetching crate libhaystack 1.0.14... [INFO] checking libhaystack-1.0.14 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate libhaystack 1.0.14 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate libhaystack 1.0.14 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate libhaystack 1.0.14 [INFO] finished tweaking crates.io crate libhaystack 1.0.14 [INFO] tweaked toml for crates.io crate libhaystack 1.0.14 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 103 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding chrono-tz v0.6.3 (available: v0.10.0) [INFO] [stderr] Adding chrono-tz-build v0.0.3 (available: v0.4.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (available: v0.5.0) [INFO] [stderr] Adding dashmap v5.5.3 (available: v6.1.0) [INFO] [stderr] Adding half v1.8.3 (available: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding siphasher v0.3.11 (available: v1.0.1) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e45442eb567f05f539099eaa2012e0793bfb4481a524e720b871d47ea07e21a5 [INFO] running `Command { std: "docker" "start" "-a" "e45442eb567f05f539099eaa2012e0793bfb4481a524e720b871d47ea07e21a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e45442eb567f05f539099eaa2012e0793bfb4481a524e720b871d47ea07e21a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e45442eb567f05f539099eaa2012e0793bfb4481a524e720b871d47ea07e21a5", kill_on_drop: false }` [INFO] [stdout] e45442eb567f05f539099eaa2012e0793bfb4481a524e720b871d47ea07e21a5 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77bf430f79855226d10e003d600417cfe33bfea800c5e3c70caab87d05445cf9 [INFO] running `Command { std: "docker" "start" "-a" "77bf430f79855226d10e003d600417cfe33bfea800c5e3c70caab87d05445cf9", kill_on_drop: false }` [INFO] [stderr] Compiling uncased v0.9.10 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking uuid v1.10.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking phf v0.11.2 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling phf_codegen v0.11.2 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling parse-zoneinfo v0.3.1 [INFO] [stderr] Compiling chrono-tz-build v0.0.3 [INFO] [stderr] Compiling chrono-tz v0.6.3 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking libhaystack v1.0.14 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:260:66 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 260 | pub fn supertypes_of(&'a self, symbol: &Symbol) -> MapReadRef> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:389:64 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 389 | pub fn inheritance(&'a self, symbol: &Symbol) -> MapReadRef> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:413:81 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 413 | pub fn associations(&'a self, parent: &Symbol, association: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:460:14 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 460 | ) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:487:49 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 487 | pub fn is(&'a self, parent: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:496:53 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 496 | pub fn tag_on(&'a self, parent: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:505:51 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 505 | pub fn tags(&'a self, parent: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:514:49 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 514 | pub fn reflect(&'a self, subject: &Dict) -> Reflection { [INFO] [stdout] | ^^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:260:66 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 260 | pub fn supertypes_of(&'a self, symbol: &Symbol) -> MapReadRef> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:389:64 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 389 | pub fn inheritance(&'a self, symbol: &Symbol) -> MapReadRef> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:413:81 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 413 | pub fn associations(&'a self, parent: &Symbol, association: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:460:14 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 460 | ) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:487:49 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 487 | pub fn is(&'a self, parent: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:496:53 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 496 | pub fn tag_on(&'a self, parent: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:505:51 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 505 | pub fn tags(&'a self, parent: &Symbol) -> Vec<&Dict> { [INFO] [stdout] | ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/haystack/defs/namespace.rs:514:49 [INFO] [stdout] | [INFO] [stdout] 91 | impl<'a> Namespace<'a> { [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] ... [INFO] [stdout] 514 | pub fn reflect(&'a self, subject: &Dict) -> Reflection { [INFO] [stdout] | ^^^^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GridMeta` is never constructed [INFO] [stdout] --> src/haystack/encoding/zinc/decode/complex/grid.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct GridMeta { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `never` [INFO] [stdout] --> benches/main.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | #[cfg(never)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GridMeta` is never constructed [INFO] [stdout] --> src/haystack/encoding/zinc/decode/complex/grid.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct GridMeta { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.39s [INFO] running `Command { std: "docker" "inspect" "77bf430f79855226d10e003d600417cfe33bfea800c5e3c70caab87d05445cf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77bf430f79855226d10e003d600417cfe33bfea800c5e3c70caab87d05445cf9", kill_on_drop: false }` [INFO] [stdout] 77bf430f79855226d10e003d600417cfe33bfea800c5e3c70caab87d05445cf9