[INFO] fetching crate intricate 0.7.0... [INFO] checking intricate-0.7.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate intricate 0.7.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate intricate 0.7.0 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 intricate 0.7.0 [INFO] removed 2 missing examples [INFO] finished tweaking crates.io crate intricate 0.7.0 [INFO] tweaked toml for crates.io crate intricate 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate intricate 0.7.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded savefile-derive v0.10.1 [INFO] [stderr] Downloaded ipnet v2.7.0 [INFO] [stderr] Downloaded savefile v0.10.1 [INFO] [stderr] Downloaded intricate-macros v0.7.0 [INFO] [stderr] Downloaded opencl-sys v0.2.2 [INFO] [stderr] Downloaded flate2 v1.0.25 [INFO] [stderr] Downloaded cl3 v0.8.1 [INFO] [stderr] Downloaded tracing-core v0.1.30 [INFO] [stderr] Downloaded libm v0.2.6 [INFO] [stderr] Downloaded reqwest v0.11.13 [INFO] [stderr] Downloaded h2 v0.3.15 [INFO] [stderr] Downloaded serde v1.0.151 [INFO] [stderr] Downloaded openssl v0.10.45 [INFO] [stderr] Downloaded openssl-sys v0.9.80 [INFO] [stderr] Downloaded opencl3 v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5c3ef0751ca065ab828de735044d12ae162e5a5ebec31fb8151704174e2f959d [INFO] running `Command { std: "docker" "start" "-a" "5c3ef0751ca065ab828de735044d12ae162e5a5ebec31fb8151704174e2f959d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c3ef0751ca065ab828de735044d12ae162e5a5ebec31fb8151704174e2f959d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c3ef0751ca065ab828de735044d12ae162e5a5ebec31fb8151704174e2f959d", kill_on_drop: false }` [INFO] [stdout] 5c3ef0751ca065ab828de735044d12ae162e5a5ebec31fb8151704174e2f959d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c7f488a7cc6225ad37f9f3b2f6189568d4f85c62eaa2aae94c6ab8aa3e510a18 [INFO] running `Command { std: "docker" "start" "-a" "c7f488a7cc6225ad37f9f3b2f6189568d4f85c62eaa2aae94c6ab8aa3e510a18", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking once_cell v1.13.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling tokio v1.23.0 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling openssl v0.10.45 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Compiling openssl-sys v0.9.80 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stderr] Checking futures-io v0.3.25 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking 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[INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling savefile v0.10.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ryu v1.0.12 [INFO] [stderr] Checking console v0.15.1 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] 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[stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.13 [INFO] [stderr] Checking intricate v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/activations/softmax.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 134 - drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] 134 + let _ = self.last_inputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/activations/softmax.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 138 - drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] 138 + let _ = self.last_outputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/conv2d.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | drop(self.weights_buff.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 205 - drop(self.weights_buff.as_ref().unwrap()); [INFO] [stdout] 205 + let _ = self.weights_buff.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/conv2d.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 209 - drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] 209 + let _ = self.last_inputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/conv2d.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 213 - drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] 213 + let _ = self.last_outputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | drop(self.weights_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 209 - drop(self.weights_buffer.as_ref().unwrap()); [INFO] [stdout] 209 + let _ = self.weights_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | drop(self.biases_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 213 - drop(self.biases_buffer.as_ref().unwrap()); [INFO] [stdout] 213 + let _ = self.biases_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 217 - drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] 217 + let _ = self.last_inputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 221 - drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] 221 + let _ = self.last_outputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/activations/softmax.rs:134:13 [INFO] [stdout] | [INFO] [stdout] 134 | drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 134 - drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] 134 + let _ = self.last_inputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/activations/softmax.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 138 - drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] 138 + let _ = self.last_outputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/conv2d.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | drop(self.weights_buff.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 205 - drop(self.weights_buff.as_ref().unwrap()); [INFO] [stdout] 205 + let _ = self.weights_buff.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/conv2d.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 209 - drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] 209 + let _ = self.last_inputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/conv2d.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 213 - drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] 213 + let _ = self.last_outputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | drop(self.weights_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 209 - drop(self.weights_buffer.as_ref().unwrap()); [INFO] [stdout] 209 + let _ = self.weights_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:213:13 [INFO] [stdout] | [INFO] [stdout] 213 | drop(self.biases_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 213 - drop(self.biases_buffer.as_ref().unwrap()); [INFO] [stdout] 213 + let _ = self.biases_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^-----------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 217 - drop(self.last_inputs_buffer.as_ref().unwrap()); [INFO] [stdout] 217 + let _ = self.last_inputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/layers/dense.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] | ^^^^^------------------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Buffer` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 221 - drop(self.last_outputs_buffer.as_ref().unwrap()); [INFO] [stdout] 221 + let _ = self.last_outputs_buffer.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Sigmoid` [INFO] [stdout] --> examples/mnist/main.rs:4:38 [INFO] [stdout] | [INFO] [stdout] 4 | activations::{ReLU, SoftMax, Sigmoid}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Layer` [INFO] [stdout] --> examples/mnist/main.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | Conv2D, Dense, Layer, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "c7f488a7cc6225ad37f9f3b2f6189568d4f85c62eaa2aae94c6ab8aa3e510a18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7f488a7cc6225ad37f9f3b2f6189568d4f85c62eaa2aae94c6ab8aa3e510a18", kill_on_drop: false }` [INFO] [stdout] c7f488a7cc6225ad37f9f3b2f6189568d4f85c62eaa2aae94c6ab8aa3e510a18