[INFO] cloning repository nsmryan/MachineLearningArtProject [INFO] running `"git" "clone" "--bare" "git://github.com/nsmryan/MachineLearningArtProject.git" "work/cache/sources/gh/nsmryan/MachineLearningArtProject"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/nsmryan/MachineLearningArtProject'... [INFO] running `"git" "clone" "work/cache/sources/gh/nsmryan/MachineLearningArtProject" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/nsmryan/MachineLearningArtProject"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/nsmryan/MachineLearningArtProject'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nsmryan/MachineLearningArtProject" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/nsmryan/MachineLearningArtProject"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/nsmryan/MachineLearningArtProject'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5f9a523f363582176aa36c9429a7fe1ef8ca439e [INFO] sha for GitHub repo nsmryan/MachineLearningArtProject: 5f9a523f363582176aa36c9429a7fe1ef8ca439e [INFO] validating manifest of nsmryan/MachineLearningArtProject on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nsmryan/MachineLearningArtProject on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nsmryan/MachineLearningArtProject [INFO] finished frobbing nsmryan/MachineLearningArtProject [INFO] frobbed toml for nsmryan/MachineLearningArtProject written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/nsmryan/MachineLearningArtProject/Cargo.toml [INFO] started frobbing nsmryan/MachineLearningArtProject [INFO] finished frobbing nsmryan/MachineLearningArtProject [INFO] frobbed toml for nsmryan/MachineLearningArtProject written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/nsmryan/MachineLearningArtProject/Cargo.toml [INFO] crate nsmryan/MachineLearningArtProject already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fann v0.1.7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking nsmryan/MachineLearningArtProject against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/nsmryan/MachineLearningArtProject:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 19953daf25d794df690a27fd53d45b5f1fb01c1d06ae7650000c2b912574e487 [INFO] running `"docker" "start" "-a" "19953daf25d794df690a27fd53d45b5f1fb01c1d06ae7650000c2b912574e487"` [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking fann-sys v0.1.7 [INFO] [stderr] Checking rusttype v0.7.6 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking fann v0.1.7 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.1 [INFO] [stderr] Checking imageproc v0.18.0 [INFO] [stderr] Checking nn v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> src/main.rs:75:34 [INFO] [stderr] | [INFO] [stderr] 75 | .filter(|(index, val)| index % 3 == 0) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_val` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/main.rs:76:24 [INFO] [stderr] | [INFO] [stderr] 76 | .map(|(index, val)| (*val as f32) / 256.0) [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | fann.save("network.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `val` [INFO] [stderr] --> src/main.rs:75:34 [INFO] [stderr] | [INFO] [stderr] 75 | .filter(|(index, val)| index % 3 == 0) [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_val` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/main.rs:76:24 [INFO] [stderr] | [INFO] [stderr] 76 | .map(|(index, val)| (*val as f32) / 256.0) [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | fann.save("network.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.27s [INFO] running `"docker" "inspect" "19953daf25d794df690a27fd53d45b5f1fb01c1d06ae7650000c2b912574e487"` [INFO] running `"docker" "rm" "-f" "19953daf25d794df690a27fd53d45b5f1fb01c1d06ae7650000c2b912574e487"` [INFO] [stdout] 19953daf25d794df690a27fd53d45b5f1fb01c1d06ae7650000c2b912574e487