[INFO] cloning repository https://github.com/jaroslaw-weber/rust-ml-from-scratch [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaroslaw-weber/rust-ml-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-ml-from-scratch"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-ml-from-scratch'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6eaecb746eae46b8964018a9846b1aa6f911d3b7 [INFO] checking jaroslaw-weber/rust-ml-from-scratch against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-ml-from-scratch" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaroslaw-weber/rust-ml-from-scratch on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jaroslaw-weber/rust-ml-from-scratch [INFO] finished tweaking git repo https://github.com/jaroslaw-weber/rust-ml-from-scratch [INFO] tweaked toml for git repo https://github.com/jaroslaw-weber/rust-ml-from-scratch written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/jaroslaw-weber/rust-ml-from-scratch already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] ba5f44610098a45285419bffe980a87d358510edd38ba7b84858b3c0b6a0f815 [INFO] running `"docker" "start" "-a" "ba5f44610098a45285419bffe980a87d358510edd38ba7b84858b3c0b6a0f815"` [INFO] [stderr] Compiling rayon-core v1.0.2 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking adler32 v1.0.0 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking num_cpus v1.5.1 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking deflate v0.7.11 [INFO] [stderr] Checking gif v0.9.1 [INFO] [stderr] Checking rayon v0.7.1 [INFO] [stderr] Checking png v0.7.0 [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/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/matrix.rs:42:3 [INFO] [stderr] | [INFO] [stderr] 42 | (index as usize) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:248:83 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn matrix_on_matrix_operation(&self, other_matrix:&Matrix, combine_function:&Fn(f32,f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,f32)->f32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:261:37 [INFO] [stderr] | [INFO] [stderr] 261 | pub fn map(&self, function_to_map:&Fn(f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32` [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/matrix.rs:42:3 [INFO] [stderr] | [INFO] [stderr] 42 | (index as usize) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:248:83 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn matrix_on_matrix_operation(&self, other_matrix:&Matrix, combine_function:&Fn(f32,f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,f32)->f32` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/matrix.rs:261:37 [INFO] [stderr] | [INFO] [stderr] 261 | pub fn map(&self, function_to_map:&Fn(f32)->f32)->Matrix [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32` [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:26:8 [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:34:8 [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:42:8 [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:26:8 [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:34:8 [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:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn relu(x:&Matrix, derivative:bool)->Matrix [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.55s [INFO] running `"docker" "inspect" "ba5f44610098a45285419bffe980a87d358510edd38ba7b84858b3c0b6a0f815"` [INFO] running `"docker" "rm" "-f" "ba5f44610098a45285419bffe980a87d358510edd38ba7b84858b3c0b6a0f815"` [INFO] [stdout] ba5f44610098a45285419bffe980a87d358510edd38ba7b84858b3c0b6a0f815