[INFO] fetching crate plexus 0.0.11... [INFO] checking plexus-0.0.11 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate plexus 0.0.11 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate plexus 0.0.11 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate plexus 0.0.11 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate plexus 0.0.11 [INFO] tweaked toml for crates.io crate plexus 0.0.11 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 150 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding alga v0.8.2 (latest: v0.9.3) [INFO] [stderr] Adding andrew v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding approx v0.3.2 (latest: v0.5.1) [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.6) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cgl v0.2.3 (latest: v0.3.2) [INFO] [stderr] Adding cgmath v0.17.0 (latest: v0.18.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding cocoa v0.18.5 (latest: v0.26.0) [INFO] [stderr] Adding core-foundation v0.6.4 (latest: v0.10.0) [INFO] [stderr] Adding core-foundation-sys v0.6.2 (latest: v0.8.7) [INFO] [stderr] Adding core-graphics v0.17.3 (latest: v0.24.0) [INFO] [stderr] Adding decorum v0.1.3 (latest: v0.3.1) [INFO] [stderr] Adding derivative v1.0.4 (latest: v2.2.0) [INFO] [stderr] Adding dlib v0.4.2 (latest: v0.5.2) [INFO] [stderr] Adding fool v0.0.1 (latest: v0.0.4) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.1.0) [INFO] [stderr] Adding gfx_window_glutin v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding gl_generator v0.10.0 (latest: v0.14.0) [INFO] [stderr] Adding gl_generator v0.13.1 (latest: v0.14.0) [INFO] [stderr] Adding gleam v0.6.19 (latest: v0.15.0) [INFO] [stderr] Adding glutin v0.19.0 (latest: v0.32.0) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.13.0) [INFO] [stderr] Adding libloading v0.6.7 (latest: v0.8.5) [INFO] [stderr] Adding libm v0.1.4 (latest: v0.2.8) [INFO] [stderr] Adding line_drawing v0.7.0 (latest: v1.0.0) [INFO] [stderr] Adding lock_api v0.1.5 (latest: v0.4.12) [INFO] [stderr] Adding malloc_buf v0.0.6 (latest: v1.0.0) [INFO] [stderr] Adding matrixmultiply v0.2.4 (latest: v0.3.9) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding nalgebra v0.17.3 (latest: v0.33.0) [INFO] [stderr] Adding nix v0.14.1 (latest: v0.29.0) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.3) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.6) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.2) [INFO] [stderr] Adding ordered-float v1.1.1 (latest: v4.2.2) [INFO] [stderr] Adding parking_lot v0.7.1 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.4.0 (latest: v0.9.10) [INFO] [stderr] Adding percent-encoding v1.0.1 (latest: v2.3.1) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.1) [INFO] [stderr] Adding rusttype v0.7.9 (latest: v0.9.3) [INFO] [stderr] Adding rusttype v0.8.3 (latest: v0.9.3) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding smithay-client-toolkit v0.4.6 (latest: v0.19.2) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.77) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [INFO] [stderr] Adding wayland-client v0.21.13 (latest: v0.31.5) [INFO] [stderr] Adding wayland-commons v0.21.13 (latest: v0.29.5) [INFO] [stderr] Adding wayland-protocols v0.21.13 (latest: v0.32.3) [INFO] [stderr] Adding wayland-scanner v0.21.13 (latest: v0.31.4) [INFO] [stderr] Adding wayland-sys v0.21.13 (latest: v0.31.4) [INFO] [stderr] Adding winit v0.18.1 (latest: v0.30.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded alga v0.8.2 [INFO] [stderr] Downloaded gfx_window_glutin v0.29.0 [INFO] [stderr] Downloaded fool v0.0.1 [INFO] [stderr] Downloaded decorum v0.1.3 [INFO] [stderr] Downloaded nalgebra v0.17.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c51e92280722e1b51c5f517896722461632c81a4474ee6379d5e534f85d71bab [INFO] running `Command { std: "docker" "start" "-a" "c51e92280722e1b51c5f517896722461632c81a4474ee6379d5e534f85d71bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c51e92280722e1b51c5f517896722461632c81a4474ee6379d5e534f85d71bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c51e92280722e1b51c5f517896722461632c81a4474ee6379d5e534f85d71bab", kill_on_drop: false }` [INFO] [stdout] c51e92280722e1b51c5f517896722461632c81a4474ee6379d5e534f85d71bab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a2f4e355783d1b70e1e555cfe0259b9ec42191b167c970784663d80d06e263c [INFO] running `Command { std: "docker" "start" "-a" "4a2f4e355783d1b70e1e555cfe0259b9ec42191b167c970784663d80d06e263c", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling xml-rs v0.8.21 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking downcast-rs v1.2.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking wayland-sys v0.21.13 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling x11-dl v2.21.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking draw_state v0.8.0 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling unicode-xid v0.2.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking gfx_core v0.9.2 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] Compiling gfx_gl v0.6.1 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking fool v0.0.1 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking alga v0.8.2 [INFO] [stderr] Checking gfx v0.18.3 [INFO] [stderr] Checking nalgebra v0.17.3 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking wayland-commons v0.21.13 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Checking gfx_device_gl v0.16.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking decorum v0.1.3 [INFO] [stderr] Checking plexus v0.0.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:20:3 [INFO] [stdout] | [INFO] [stdout] 20 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 21 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:77:3 [INFO] [stdout] | [INFO] [stdout] 77 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 78 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:134:3 [INFO] [stdout] | [INFO] [stdout] 134 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 135 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:179:3 [INFO] [stdout] | [INFO] [stdout] 179 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 180 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `storage` [INFO] [stdout] --> src/graph/mutation/vertex.rs:83:24 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn snapshot(storage: M, a: VertexKey) -> Result [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/graph/mutation/vertex.rs:83:36 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn snapshot(storage: M, a: VertexKey) -> Result [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_opaque_key` is never used [INFO] [stdout] --> src/graph/storage/convert.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait IntoOpaqueKey { [INFO] [stdout] | ------------- method in this trait [INFO] [stdout] 9 | fn into_opaque_key(self) -> K; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/graph/mutation/mod.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | mem::replace(container, mutant); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = mem::replace(container, mutant); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/graph/mutation/edge.rs:385:14 [INFO] [stdout] | [INFO] [stdout] 385 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 385 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 384 | for arc in IntoIterator::into_iter([a, b, c, d]) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking smithay-client-toolkit v0.4.6 [INFO] [stderr] Checking winit v0.18.1 [INFO] [stderr] Checking gfx_window_glutin v0.29.0 [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:20:3 [INFO] [stdout] | [INFO] [stdout] 20 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 21 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:77:3 [INFO] [stdout] | [INFO] [stdout] 77 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 78 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:134:3 [INFO] [stdout] | [INFO] [stdout] 134 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 135 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/graph/payload.rs:179:3 [INFO] [stdout] | [INFO] [stdout] 179 | #[derivative(Debug, Hash)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 180 | #[derive(Clone, Derivative)] [INFO] [stdout] | ---------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `storage` [INFO] [stdout] --> src/graph/mutation/vertex.rs:83:24 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn snapshot(storage: M, a: VertexKey) -> Result [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_storage` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/graph/mutation/vertex.rs:83:36 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn snapshot(storage: M, a: VertexKey) -> Result [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_opaque_key` is never used [INFO] [stdout] --> src/graph/storage/convert.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub trait IntoOpaqueKey { [INFO] [stdout] | ------------- method in this trait [INFO] [stdout] 9 | fn into_opaque_key(self) -> K; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/graph/mutation/mod.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | mem::replace(container, mutant); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = mem::replace(container, mutant); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/graph/mutation/edge.rs:385:14 [INFO] [stdout] | [INFO] [stdout] 385 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 385 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 384 | for arc in IntoIterator::into_iter([a, b, c, d]) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.58s [INFO] running `Command { std: "docker" "inspect" "4a2f4e355783d1b70e1e555cfe0259b9ec42191b167c970784663d80d06e263c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a2f4e355783d1b70e1e555cfe0259b9ec42191b167c970784663d80d06e263c", kill_on_drop: false }` [INFO] [stdout] 4a2f4e355783d1b70e1e555cfe0259b9ec42191b167c970784663d80d06e263c