[INFO] updating cached repository jaroslaw-weber/rust-ml-from-scratch [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jaroslaw-weber/rust-ml-from-scratch [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jaroslaw-weber/rust-ml-from-scratch" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jaroslaw-weber/rust-ml-from-scratch"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jaroslaw-weber/rust-ml-from-scratch'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jaroslaw-weber/rust-ml-from-scratch" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jaroslaw-weber/rust-ml-from-scratch"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jaroslaw-weber/rust-ml-from-scratch'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6eaecb746eae46b8964018a9846b1aa6f911d3b7 [INFO] sha for GitHub repo jaroslaw-weber/rust-ml-from-scratch: 6eaecb746eae46b8964018a9846b1aa6f911d3b7 [INFO] validating manifest of jaroslaw-weber/rust-ml-from-scratch on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jaroslaw-weber/rust-ml-from-scratch on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jaroslaw-weber/rust-ml-from-scratch [INFO] finished frobbing jaroslaw-weber/rust-ml-from-scratch [INFO] frobbed toml for jaroslaw-weber/rust-ml-from-scratch written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jaroslaw-weber/rust-ml-from-scratch/Cargo.toml [INFO] started frobbing jaroslaw-weber/rust-ml-from-scratch [INFO] finished frobbing jaroslaw-weber/rust-ml-from-scratch [INFO] frobbed toml for jaroslaw-weber/rust-ml-from-scratch written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/jaroslaw-weber/rust-ml-from-scratch/Cargo.toml [INFO] crate jaroslaw-weber/rust-ml-from-scratch already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking jaroslaw-weber/rust-ml-from-scratch against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-0/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/jaroslaw-weber/rust-ml-from-scratch:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d50398fa55387370532de4ce17cb8c2f295d4a3bec290f49f1645d039818f907 [INFO] running `"docker" "start" "-a" "d50398fa55387370532de4ce17cb8c2f295d4a3bec290f49f1645d039818f907"` [INFO] [stderr] Compiling rayon-core v1.0.2 [INFO] [stderr] Checking num_cpus v1.5.1 [INFO] [stderr] Checking png v0.7.0 [INFO] [stderr] Checking rayon v0.7.1 [INFO] [stderr] Checking jpeg-decoder v0.1.12 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking rust_machine_learning v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: method is never used: `sum` [INFO] [stderr] --> src/matrix.rs:131:2 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn sum(&self)->f32 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `max` [INFO] [stderr] --> src/matrix.rs:142:2 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn max(&self)->f32 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `divn` [INFO] [stderr] --> src/matrix.rs:184:2 [INFO] [stderr] | [INFO] [stderr] 184 | pub fn divn(&self, number:f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `softmax` [INFO] [stderr] --> src/activations.rs:26:1 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn softmax(x:&Matrix)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `softmax_stable` [INFO] [stderr] --> src/activations.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn softmax_stable(x:&Matrix)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `relu` [INFO] [stderr] --> src/activations.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn relu(x:&Matrix, derivative:bool)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sum` [INFO] [stderr] --> src/matrix.rs:131:2 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn sum(&self)->f32 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `max` [INFO] [stderr] --> src/matrix.rs:142:2 [INFO] [stderr] | [INFO] [stderr] 142 | pub fn max(&self)->f32 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `divn` [INFO] [stderr] --> src/matrix.rs:184:2 [INFO] [stderr] | [INFO] [stderr] 184 | pub fn divn(&self, number:f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `softmax` [INFO] [stderr] --> src/activations.rs:26:1 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn softmax(x:&Matrix)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `softmax_stable` [INFO] [stderr] --> src/activations.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn softmax_stable(x:&Matrix)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `relu` [INFO] [stderr] --> src/activations.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn relu(x:&Matrix, derivative:bool)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.64s [INFO] running `"docker" "inspect" "d50398fa55387370532de4ce17cb8c2f295d4a3bec290f49f1645d039818f907"` [INFO] running `"docker" "rm" "-f" "d50398fa55387370532de4ce17cb8c2f295d4a3bec290f49f1645d039818f907"` [INFO] [stdout] d50398fa55387370532de4ce17cb8c2f295d4a3bec290f49f1645d039818f907