[INFO] cloning repository https://github.com/JonathanWoollett-Light/latex_classifier
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flatex_classifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e74393202a8ee99f4ab88917a1fdafd66fff5d04
[INFO] checking JonathanWoollett-Light/latex_classifier against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flatex_classifier" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonathanWoollett-Light/latex_classifier on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.17.1
[INFO] [stderr]   Downloaded cogent v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8770abac67ede8ca98e69e1b198b6cb6403f7886ebf41d7c59195b74cca4214d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8770abac67ede8ca98e69e1b198b6cb6403f7886ebf41d7c59195b74cca4214d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8770abac67ede8ca98e69e1b198b6cb6403f7886ebf41d7c59195b74cca4214d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8770abac67ede8ca98e69e1b198b6cb6403f7886ebf41d7c59195b74cca4214d", kill_on_drop: false }`
[INFO] [stdout] 8770abac67ede8ca98e69e1b198b6cb6403f7886ebf41d7c59195b74cca4214d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebb8d13af00b104c5d333ad829407027802050eabcf8a52329225bc1eb60079
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ebb8d13af00b104c5d333ad829407027802050eabcf8a52329225bc1eb60079", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.67
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[INFO] [stderr]    Compiling rayon-core v1.7.0
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[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
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[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking tiff v0.3.1
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[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling arrayfire v3.7.0
[INFO] [stderr]     Checking cogent v0.3.6
[INFO] [stderr]     Checking latex_classifier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]   --> src/main.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ops::{Sub,SubAssign,Add};
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `af_print`, `print_gen`
[INFO] [stdout]   --> src/main.rs:17:49
[INFO] [stdout]    |
[INFO] [stdout] 17 | use arrayfire::{Array,max,eq,sum,transpose,Dim4,print_gen,af_print};
[INFO] [stdout]    |                                                 ^^^^^^^^^ ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]   --> src/main.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::ops::{Sub,SubAssign,Add};
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `af_print`, `print_gen`
[INFO] [stdout]   --> src/main.rs:17:49
[INFO] [stdout]    |
[INFO] [stdout] 17 | use arrayfire::{Array,max,eq,sum,transpose,Dim4,print_gen,af_print};
[INFO] [stdout]    |                                                 ^^^^^^^^^ ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segmentat_alphabet`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let segmentat_alphabet = segment(false,"alphabet.jpg");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segmentat_alphabet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segmentat_alphabet`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let segmentat_alphabet = segment(false,"alphabet.jpg");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segmentat_alphabet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COVERED_PIXEL`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const COVERED_PIXEL:u8 = 2u8; // Can be any u8 value, as long as not 
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_row`
[INFO] [stdout]     --> src/main.rs:1100:8
[INFO] [stdout]      |
[INFO] [stdout] 1100 |     fn print_row(symbols:&Vec<Symbol>) {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COVERED_PIXEL`
[INFO] [stdout]   --> src/main.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const COVERED_PIXEL:u8 = 2u8; // Can be any u8 value, as long as not 
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_row`
[INFO] [stdout]     --> src/main.rs:1100:8
[INFO] [stdout]      |
[INFO] [stdout] 1100 |     fn print_row(symbols:&Vec<Symbol>) {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "4ebb8d13af00b104c5d333ad829407027802050eabcf8a52329225bc1eb60079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebb8d13af00b104c5d333ad829407027802050eabcf8a52329225bc1eb60079", kill_on_drop: false }`
[INFO] [stdout] 4ebb8d13af00b104c5d333ad829407027802050eabcf8a52329225bc1eb60079