[INFO] cloning repository https://github.com/JonathanWoollett-Light/latex_classifier [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanWoollett-Light/latex_classifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flatex_classifier"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flatex_classifier'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] af81f5058a0bb29469dbeff124395abde34a8006 [INFO] checking JonathanWoollett-Light/latex_classifier against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flatex_classifier" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JonathanWoollett-Light/latex_classifier on toolchain f88e9a4452e792c29632101b348a1df9876d45cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/JonathanWoollett-Light/latex_classifier [INFO] finished tweaking git repo https://github.com/JonathanWoollett-Light/latex_classifier [INFO] tweaked toml for git repo https://github.com/JonathanWoollett-Light/latex_classifier written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/JonathanWoollett-Light/latex_classifier already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cogent v0.1.1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9a1267ddc29d91a637767c18e8c793faa4aec902ed80661ec6f688030bca76b5 [INFO] running `"docker" "start" "-a" "9a1267ddc29d91a637767c18e8c793faa4aec902ed80661ec6f688030bca76b5"` [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking num-rational v0.2.3 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking png v0.15.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossterm v0.14.2 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking ndarray_einsum_beta v0.5.0 [INFO] [stderr] Checking ndarray-rand v0.11.0 [INFO] [stderr] Checking cogent v0.1.1 [INFO] [stderr] Checking latex_classifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/main.rs:1:25 [INFO] [stderr] | [INFO] [stderr] 1 | use std::time::{Instant,Duration}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `point` should have an upper camel case name [INFO] [stderr] --> src/main.rs:425:12 [INFO] [stderr] | [INFO] [stderr] 425 | struct point { [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Point` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `symbol` should have an upper camel case name [INFO] [stderr] --> src/main.rs:430:12 [INFO] [stderr] | [INFO] [stderr] 430 | struct symbol { [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Symbol` [INFO] [stderr] [INFO] [stderr] warning: type `row` should have an upper camel case name [INFO] [stderr] --> src/main.rs:434:12 [INFO] [stderr] | [INFO] [stderr] 434 | struct row { [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case: `Row` [INFO] [stderr] [INFO] [stderr] warning: variant `up` should have an upper camel case name [INFO] [stderr] --> src/main.rs:569:22 [INFO] [stderr] | [INFO] [stderr] 569 | enum RowChange { up,down,same } [INFO] [stderr] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `Up` [INFO] [stderr] [INFO] [stderr] warning: variant `down` should have an upper camel case name [INFO] [stderr] --> src/main.rs:569:25 [INFO] [stderr] | [INFO] [stderr] 569 | enum RowChange { up,down,same } [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case: `Down` [INFO] [stderr] [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/main.rs:1:25 [INFO] [stderr] | [INFO] [stderr] 1 | use std::time::{Instant,Duration}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `point` should have an upper camel case name [INFO] [stderr] --> src/main.rs:425:12 [INFO] [stderr] | [INFO] [stderr] 425 | struct point { [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Point` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `symbol` should have an upper camel case name [INFO] [stderr] --> src/main.rs:430:12 [INFO] [stderr] | [INFO] [stderr] 430 | struct symbol { [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Symbol` [INFO] [stderr] [INFO] [stderr] warning: type `row` should have an upper camel case name [INFO] [stderr] --> src/main.rs:434:12 [INFO] [stderr] | [INFO] [stderr] 434 | struct row { [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case: `Row` [INFO] [stderr] [INFO] [stderr] warning: variant `up` should have an upper camel case name [INFO] [stderr] --> src/main.rs:569:22 [INFO] [stderr] | [INFO] [stderr] 569 | enum RowChange { up,down,same } [INFO] [stderr] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `Up` [INFO] [stderr] [INFO] [stderr] warning: variant `down` should have an upper camel case name [INFO] [stderr] --> src/main.rs:569:25 [INFO] [stderr] | [INFO] [stderr] 569 | enum RowChange { up,down,same } [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case: `Down` [INFO] [stderr] [INFO] [stderr] warning: variant `same` should have an upper camel case name [INFO] [stderr] --> src/main.rs:569:30 [INFO] [stderr] | [INFO] [stderr] 569 | enum RowChange { up,down,same } [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Same` [INFO] [stderr] [INFO] [stderr] warning: variant `same` should have an upper camel case name [INFO] [stderr] --> src/main.rs:569:30 [INFO] [stderr] | [INFO] [stderr] 569 | enum RowChange { up,down,same } [INFO] [stderr] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Same` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `images` [INFO] [stderr] --> src/main.rs:24:10 [INFO] [stderr] | [INFO] [stderr] 24 | let (images,bounds) = segment(true,Path::new("composite.jpg")); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_images` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `width` [INFO] [stderr] --> src/main.rs:249:135 [INFO] [stderr] | [INFO] [stderr] 249 | fn create_symbol_images(debug_out:bool,pixels_in_symbols:&Vec>,borders:&Vec<((usize,usize),(usize,usize))>,width:usize,height:usize) -> Vec,Vec>> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_width` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `height` [INFO] [stderr] --> src/main.rs:249:147 [INFO] [stderr] | [INFO] [stderr] 249 | fn create_symbol_images(debug_out:bool,pixels_in_symbols:&Vec>,borders:&Vec<((usize,usize),(usize,usize))>,width:usize,height:usize) -> Vec,Vec>> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_height` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `avg_y` [INFO] [stderr] --> src/main.rs:466:9 [INFO] [stderr] | [INFO] [stderr] 466 | let avg_y = combined.iter().fold(0usize, |sum,s| (sum + (s.bounds.0).y + (s.bounds.1).y)) / (2 * bounds.len()); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_avg_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `avg_height` [INFO] [stderr] --> src/main.rs:554:9 [INFO] [stderr] | [INFO] [stderr] 554 | let avg_height = row_heights.iter().fold(0usize,|sum,x| sum+x) / row_heights.len(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_avg_height` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `debug_out` [INFO] [stderr] --> src/main.rs:423:14 [INFO] [stderr] | [INFO] [stderr] 423 | fn construct(debug_out:bool,classes:&[char],bounds:&Vec<((usize,usize),(usize,usize))>) -> String { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_debug_out` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `images` [INFO] [stderr] --> src/main.rs:24:10 [INFO] [stderr] | [INFO] [stderr] 24 | let (images,bounds) = segment(true,Path::new("composite.jpg")); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_images` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `width` [INFO] [stderr] --> src/main.rs:249:135 [INFO] [stderr] | [INFO] [stderr] 249 | fn create_symbol_images(debug_out:bool,pixels_in_symbols:&Vec>,borders:&Vec<((usize,usize),(usize,usize))>,width:usize,height:usize) -> Vec,Vec>> { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_width` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `height` [INFO] [stderr] --> src/main.rs:249:147 [INFO] [stderr] | [INFO] [stderr] 249 | fn create_symbol_images(debug_out:bool,pixels_in_symbols:&Vec>,borders:&Vec<((usize,usize),(usize,usize))>,width:usize,height:usize) -> Vec,Vec>> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_height` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `avg_y` [INFO] [stderr] --> src/main.rs:466:9 [INFO] [stderr] | [INFO] [stderr] 466 | let avg_y = combined.iter().fold(0usize, |sum,s| (sum + (s.bounds.0).y + (s.bounds.1).y)) / (2 * bounds.len()); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_avg_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `avg_height` [INFO] [stderr] --> src/main.rs:554:9 [INFO] [stderr] | [INFO] [stderr] 554 | let avg_height = row_heights.iter().fold(0usize,|sum,x| sum+x) / row_heights.len(); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_avg_height` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `debug_out` [INFO] [stderr] --> src/main.rs:423:14 [INFO] [stderr] | [INFO] [stderr] 423 | fn construct(debug_out:bool,classes:&[char],bounds:&Vec<((usize,usize),(usize,usize))>) -> String { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_debug_out` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `train_net` [INFO] [stderr] --> src/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn train_net() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `printRow` should have a snake case name [INFO] [stderr] --> src/main.rs:619:8 [INFO] [stderr] | [INFO] [stderr] 619 | fn printRow(symbols:&Vec) { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `print_row` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `train_net` [INFO] [stderr] --> src/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn train_net() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `printRow` should have a snake case name [INFO] [stderr] --> src/main.rs:619:8 [INFO] [stderr] | [INFO] [stderr] 619 | fn printRow(symbols:&Vec) { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `print_row` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.22s [INFO] running `"docker" "inspect" "9a1267ddc29d91a637767c18e8c793faa4aec902ed80661ec6f688030bca76b5"` [INFO] running `"docker" "rm" "-f" "9a1267ddc29d91a637767c18e8c793faa4aec902ed80661ec6f688030bca76b5"` [INFO] [stdout] 9a1267ddc29d91a637767c18e8c793faa4aec902ed80661ec6f688030bca76b5