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[INFO] [stderr] Downloaded memchr v2.2.0 [INFO] [stderr] Downloaded alga v0.9.0 [INFO] [stderr] Downloaded nom v4.2.3 [INFO] [stderr] Downloaded libc v0.2.53 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37793c9af3c217f5da317528b2e8a6c4007ae902c823988f8cb0a2abbcbc5b2b [INFO] running `Command { std: "docker" "start" "-a" "37793c9af3c217f5da317528b2e8a6c4007ae902c823988f8cb0a2abbcbc5b2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37793c9af3c217f5da317528b2e8a6c4007ae902c823988f8cb0a2abbcbc5b2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37793c9af3c217f5da317528b2e8a6c4007ae902c823988f8cb0a2abbcbc5b2b", kill_on_drop: false }` [INFO] [stdout] 37793c9af3c217f5da317528b2e8a6c4007ae902c823988f8cb0a2abbcbc5b2b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee8ca6888192e7fbaf0f4c9d80f88564d1f3c6452dedf20125eb1f205e4dd2a8 [INFO] running `Command { std: "docker" "start" "-a" "ee8ca6888192e7fbaf0f4c9d80f88564d1f3c6452dedf20125eb1f205e4dd2a8", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.53 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking libm v0.1.2 [INFO] [stderr] Checking matrixmultiply v0.2.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking alga v0.9.0 [INFO] [stderr] Checking nalgebra v0.18.0 [INFO] [stderr] Checking mle-nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `DynMatrixSlice` [INFO] [stdout] --> src/images.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::nn::{DynMatrix, DynMatrixSlice}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ArrayStorage`, `Matrix`, `U28` [INFO] [stdout] --> src/images.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use nalgebra::{ArrayStorage, Matrix, U28}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/images.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nalgebra::base::dimension::Dynamic` [INFO] [stdout] --> src/nn.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use nalgebra::base::dimension::Dynamic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SliceStorage`, `U1`, `VecStorage` [INFO] [stdout] --> src/nn.rs:2:56 [INFO] [stdout] | [INFO] [stdout] 2 | use nalgebra::{DMatrix, DMatrixSlice, DMatrixSliceMut, SliceStorage, VecStorage, U1}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `map_res` [INFO] [stdout] --> src/parser.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use nom::{be_u32, be_u8, count, do_parse, map, map_res, named, tag, take}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:117:81 [INFO] [stdout] | [INFO] [stdout] 117 | fn parse_images(image_data: &[u8], label_data: &[u8]) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 117 | fn parse_images(image_data: &[u8], label_data: &[u8]) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DynMatrixSlice` [INFO] [stdout] --> src/images.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::nn::{DynMatrix, DynMatrixSlice}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ArrayStorage`, `Matrix`, `U28` [INFO] [stdout] --> src/images.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use nalgebra::{ArrayStorage, Matrix, U28}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/images.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nalgebra::base::dimension::Dynamic` [INFO] [stdout] --> src/nn.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use nalgebra::base::dimension::Dynamic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SliceStorage`, `U1`, `VecStorage` [INFO] [stdout] --> src/nn.rs:2:56 [INFO] [stdout] | [INFO] [stdout] 2 | use nalgebra::{DMatrix, DMatrixSlice, DMatrixSliceMut, SliceStorage, VecStorage, U1}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^ ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/nn.rs:516:20 [INFO] [stdout] | [INFO] [stdout] 516 | if (i == 25) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 516 - if (i == 25) { [INFO] [stdout] 516 + if i == 25 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `map_res` [INFO] [stdout] --> src/parser.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use nom::{be_u32, be_u8, count, do_parse, map, map_res, named, tag, take}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::images::Image` [INFO] [stdout] --> src/parser.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | use crate::images::Image; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/parser.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/main.rs:6:26 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::{BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:117:81 [INFO] [stdout] | [INFO] [stdout] 117 | fn parse_images(image_data: &[u8], label_data: &[u8]) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 117 | fn parse_images(image_data: &[u8], label_data: &[u8]) -> Result, Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/images.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t0` [INFO] [stdout] --> src/nn.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let t0 = Instant::now(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/nn.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | fn output_shape(&self, (rows, cols): (usize, usize)) -> (usize, usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tmp` [INFO] [stdout] --> src/parser.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let tmp = std::iter::once(1.0) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tmp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `train_data` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let train_data = load_train_data()?; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_parts` is never used [INFO] [stdout] --> src/images.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl Image { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 50 | pub fn from_parts(data: DynMatrix, label: DynMatrix) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `DynMatrixSlice` is never used [INFO] [stdout] --> src/nn.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub type DynMatrixSlice<'a> = DMatrixSlice<'a, f64>; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `with_weights` is never used [INFO] [stdout] --> src/nn.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 96 | impl FullyConnectedNetworkLayer { [INFO] [stdout] | ------------------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | pub fn with_weights(nodes: usize, weights: usize, weight_data: &[f64]) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nn.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | &self.weights.mul_to(input, output); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 117 | let _ = &self.weights.mul_to(input, output); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/images.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t0` [INFO] [stdout] --> src/nn.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let t0 = Instant::now(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/nn.rs:126:29 [INFO] [stdout] | [INFO] [stdout] 126 | fn output_shape(&self, (rows, cols): (usize, usize)) -> (usize, usize) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out` [INFO] [stdout] --> src/nn.rs:237:21 [INFO] [stdout] | [INFO] [stdout] 237 | let out = nn.forward_propagate(&input); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out` [INFO] [stdout] --> src/nn.rs:297:21 [INFO] [stdout] | [INFO] [stdout] 297 | let out = nn.forward_propagate(&input); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out` [INFO] [stdout] --> src/nn.rs:343:21 [INFO] [stdout] | [INFO] [stdout] 343 | let out = nn.forward_propagate(&input); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `out` [INFO] [stdout] --> src/nn.rs:519:21 [INFO] [stdout] | [INFO] [stdout] 519 | let out = nn.forward_propagate(&data); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_out` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `label` [INFO] [stdout] --> src/nn.rs:525:20 [INFO] [stdout] | [INFO] [stdout] 525 | for (data, label) in data.iter().zip(&labels) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_label` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tmp` [INFO] [stdout] --> src/parser.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let tmp = std::iter::once(1.0) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tmp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/parser.rs:74:20 [INFO] [stdout] | [INFO] [stdout] 74 | if let Ok((input, labels)) = mnist_label_parser(&data) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `train_data` [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let train_data = load_train_data()?; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_train_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_parts` is never used [INFO] [stdout] --> src/images.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl Image { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 50 | pub fn from_parts(data: DynMatrix, label: DynMatrix) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `DynMatrixSlice` is never used [INFO] [stdout] --> src/nn.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub type DynMatrixSlice<'a> = DMatrixSlice<'a, f64>; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/nn.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | &self.weights.mul_to(input, output); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 117 | let _ = &self.weights.mul_to(input, output); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | rdr.read_to_end(&mut buff); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = rdr.read_to_end(&mut buff); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.50s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [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" "ee8ca6888192e7fbaf0f4c9d80f88564d1f3c6452dedf20125eb1f205e4dd2a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee8ca6888192e7fbaf0f4c9d80f88564d1f3c6452dedf20125eb1f205e4dd2a8", kill_on_drop: false }` [INFO] [stdout] ee8ca6888192e7fbaf0f4c9d80f88564d1f3c6452dedf20125eb1f205e4dd2a8 [INFO] checking dkudernatsch/mle-nn-rs against try#eb3956d47f58f1c7c0a5694b1d3401945bc41dce for pr-117164-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdkudernatsch%2Fmle-nn-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dkudernatsch/mle-nn-rs on toolchain eb3956d47f58f1c7c0a5694b1d3401945bc41dce [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dkudernatsch/mle-nn-rs [INFO] finished tweaking git repo https://github.com/dkudernatsch/mle-nn-rs [INFO] tweaked toml for git repo https://github.com/dkudernatsch/mle-nn-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dkudernatsch/mle-nn-rs 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" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cbeddb47c8b81bdadc7aedead05a82ae5339e97a21792447716ae0002c792f0 [INFO] running `Command { std: "docker" "start" "-a" "5cbeddb47c8b81bdadc7aedead05a82ae5339e97a21792447716ae0002c792f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cbeddb47c8b81bdadc7aedead05a82ae5339e97a21792447716ae0002c792f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cbeddb47c8b81bdadc7aedead05a82ae5339e97a21792447716ae0002c792f0", kill_on_drop: false }` [INFO] [stdout] 5cbeddb47c8b81bdadc7aedead05a82ae5339e97a21792447716ae0002c792f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+eb3956d47f58f1c7c0a5694b1d3401945bc41dce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7eda39603f0b09f3af5f23615a0344a1af272936f19459dda0228be5600a3b65 [INFO] running `Command { std: "docker" "start" "-a" "7eda39603f0b09f3af5f23615a0344a1af272936f19459dda0228be5600a3b65", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.53 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking libm v0.1.2 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking matrixmultiply v0.2.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking generic-array v0.12.0 [INFO] [stderr] Checking alga v0.9.0 [INFO] [stderr] Checking nalgebra v0.18.0 [INFO] [stdout] error: internal compiler error: compiler/rustc_trait_selection/src/traits/coherence.rs:806:9: can't orphan check a trait ref with both params and inference variables <_ as generic_array::ArrayLength> [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/compiler/rustc_errors/src/lib.rs:1113:75: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fe05278b45c - std::backtrace_rs::backtrace::libunwind::trace::h9842b9d675b92006 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stderr] 1: 0x7fe05278b45c - std::backtrace_rs::backtrace::trace_unsynchronized::hd0a28db86482f5f2 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fe05278b45c - std::sys_common::backtrace::_print_fmt::h4da8f019d2292968 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x7fe05278b45c - ::fmt::hb25436495775e0c7 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x7fe0527de4a0 - core::fmt::rt::Argument::fmt::h88ed20e36ee1a321 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x7fe0527de4a0 - core::fmt::write::h5b01c1fe424b3a57 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/core/src/fmt/mod.rs:1120:17 [INFO] [stderr] 6: 0x7fe05277f2bf - std::io::Write::write_fmt::h97b835339435145a [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/io/mod.rs:1810:15 [INFO] [stderr] 7: 0x7fe05278b244 - std::sys_common::backtrace::_print::h93e76507fd4e0e35 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x7fe05278b244 - std::sys_common::backtrace::print::h91cd271153833165 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x7fe05278ded7 - std::panicking::default_hook::{{closure}}::h0a7cebca39f81ef6 [INFO] [stderr] 10: 0x7fe05278dc3f - std::panicking::default_hook::h9af3d9fb49b5d3fa [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x7fe0554f4410 - std[70adfe3cb0d322ac]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 12: 0x7fe05278e618 - as core::ops::function::Fn>::call::he9fcbcc96ad83dbd [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/alloc/src/boxed.rs:2029:9 [INFO] [stderr] 13: 0x7fe05278e618 - std::panicking::rust_panic_with_hook::h12a891e08b5c1a3b [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/panicking.rs:783:13 [INFO] [stderr] 14: 0x7fe05552c864 - std[70adfe3cb0d322ac]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 15: 0x7fe055528cf6 - std[70adfe3cb0d322ac]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 16: 0x7fe055524036 - std[70adfe3cb0d322ac]::panicking::begin_panic:: [INFO] [stderr] 17: 0x7fe055537b39 - ::diagnostic_builder_emit_producing_guarantee [INFO] [stderr] 18: 0x7fe0559194c5 - ::bug:: [INFO] [stderr] 19: 0x7fe0559b644d - rustc_middle[f0bb88c0811a983c]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 20: 0x7fe05599dbaa - rustc_middle[f0bb88c0811a983c]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 21: 0x7fe05599da28 - rustc_middle[f0bb88c0811a983c]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 22: 0x7fe053951fc0 - rustc_middle[f0bb88c0811a983c]::util::bug::bug_fmt [INFO] [stderr] 23: 0x7fe0570c2241 - rustc_trait_selection[bc7f1d3f6635e812]::traits::coherence::orphan_check_trait_ref::::is_knowable::{closure#0}> [INFO] [stderr] 24: 0x7fe056ea5135 - ::candidate_from_obligation_no_cache [INFO] [stderr] 25: 0x7fe0544d1791 - ::candidate_from_obligation [INFO] [stderr] 26: 0x7fe05721b1c1 - ::evaluate_trait_predicate_recursively [INFO] [stderr] 27: 0x7fe057276dfa - ::evaluate_candidate [INFO] [stderr] 28: 0x7fe056ea428f - ::candidate_from_obligation_no_cache [INFO] [stderr] 29: 0x7fe05393023c - ::poly_select [INFO] [stderr] 30: 0x7fe056aa5745 - rustc_trait_selection[bc7f1d3f6635e812]::traits::project::opt_normalize_projection_type [INFO] [stderr] 31: 0x7fe056aa36f8 - >::fold_ty [INFO] [stderr] 32: 0x7fe056f5d67e - >::try_super_fold_with:: [INFO] [stderr] 33: 0x7fe056f5879e - ::normalize:: [INFO] [stderr] 34: 0x7fe056e9bc67 - rustc_trait_selection[bc7f1d3f6635e812]::traits::coherence::orphan_check::{closure#0}::{closure#0} [INFO] [stderr] 35: 0x7fe056e9ba59 - as rustc_type_ir[f3814c44cb2f2fa3]::visit::TypeVisitor>::visit_ty [INFO] [stderr] 36: 0x7fe054b14cf7 - rustc_trait_selection[bc7f1d3f6635e812]::traits::coherence::orphan_check [INFO] [stderr] 37: 0x7fe05690f0f2 - rustc_hir_analysis[4a1be57df639846d]::coherence::orphan::orphan_check_impl [INFO] [stderr] 38: 0x7fe05690f013 - rustc_query_impl[3984cb197e6ffb6]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 39: 0x7fe056b914da - rustc_query_system[417f1e0ce84d95f1]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[3984cb197e6ffb6]::plumbing::QueryCtxt, false> [INFO] [stderr] 40: 0x7fe056b910dd - rustc_query_impl[3984cb197e6ffb6]::query_impl::orphan_check_impl::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 41: 0x7fe05690aafe - rustc_hir_analysis[4a1be57df639846d]::coherence::coherent_trait [INFO] [stderr] 42: 0x7fe05690a66f - rustc_query_impl[3984cb197e6ffb6]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 43: 0x7fe05724af3d - rustc_query_system[417f1e0ce84d95f1]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[3984cb197e6ffb6]::plumbing::QueryCtxt, false> [INFO] [stderr] 44: 0x7fe05724accd - rustc_query_impl[3984cb197e6ffb6]::query_impl::coherent_trait::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 45: 0x7fe0570a912a - rustc_hir_analysis[4a1be57df639846d]::check_crate [INFO] [stderr] 46: 0x7fe0570875a2 - rustc_interface[6612a71c619b686]::passes::analysis [INFO] [stderr] 47: 0x7fe0570871dd - rustc_query_impl[3984cb197e6ffb6]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 48: 0x7fe0574da140 - rustc_query_system[417f1e0ce84d95f1]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[3984cb197e6ffb6]::plumbing::QueryCtxt, false> [INFO] [stderr] 49: 0x7fe0574d9f47 - rustc_query_impl[3984cb197e6ffb6]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 50: 0x7fe057774fa2 - rustc_interface[6612a71c619b686]::interface::run_compiler::, rustc_driver_impl[b1895b10883e792e]::run_compiler::{closure#0}>::{closure#0} [INFO] [stderr] 51: 0x7fe05776868d - std[70adfe3cb0d322ac]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver_impl[b1895b10883e792e]::run_compiler::{closure#0}>::{closure#0}, core[79569687367a61ee]::result::Result<(), rustc_span[4cc6de006395f734]::ErrorGuaranteed>>::{closure#0}, core[79569687367a61ee]::result::Result<(), rustc_span[4cc6de006395f734]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[79569687367a61ee]::result::Result<(), rustc_span[4cc6de006395f734]::ErrorGuaranteed>> [INFO] [stderr] 52: 0x7fe0577684b7 - <::spawn_unchecked_, rustc_driver_impl[b1895b10883e792e]::run_compiler::{closure#0}>::{closure#0}, core[79569687367a61ee]::result::Result<(), rustc_span[4cc6de006395f734]::ErrorGuaranteed>>::{closure#0}, core[79569687367a61ee]::result::Result<(), rustc_span[4cc6de006395f734]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[79569687367a61ee]::result::Result<(), rustc_span[4cc6de006395f734]::ErrorGuaranteed>>::{closure#1} as core[79569687367a61ee]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 53: 0x7fe0527984a5 - as core::ops::function::FnOnce>::call_once::h7e6cc7939a2bab28 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/alloc/src/boxed.rs:2015:9 [INFO] [stderr] 54: 0x7fe0527984a5 - as core::ops::function::FnOnce>::call_once::h17cae45bb0af19c8 [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/alloc/src/boxed.rs:2015:9 [INFO] [stderr] 55: 0x7fe0527984a5 - std::sys::unix::thread::Thread::new::thread_start::h7ff5405c79cd8c4d [INFO] [stderr] at /rustc/eb3956d47f58f1c7c0a5694b1d3401945bc41dce/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stderr] 56: 0x7fe05254aac3 - [INFO] [stderr] 57: 0x7fe0525dbbf4 - __clone [INFO] [stderr] 58: 0x0 - [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/nalgebra-0.18.0/rustc-ice-2024-01-17T11_13_06-268.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.76.0-nightly (eb3956d47 2023-12-07) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [orphan_check_impl] checking whether impl `base::ops::` follows the orphan rules [INFO] [stderr] #1 [coherent_trait] coherence checking all impls of trait `core::iter::traits::accum::Sum` [INFO] [stderr] #2 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nalgebra` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "7eda39603f0b09f3af5f23615a0344a1af272936f19459dda0228be5600a3b65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eda39603f0b09f3af5f23615a0344a1af272936f19459dda0228be5600a3b65", kill_on_drop: false }` [INFO] [stdout] 7eda39603f0b09f3af5f23615a0344a1af272936f19459dda0228be5600a3b65