[INFO] cloning repository https://github.com/jaroslaw-weber/rust-ml-from-scratch [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-ml-from-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6eaecb746eae46b8964018a9846b1aa6f911d3b7 [INFO] checking jaroslaw-weber/rust-ml-from-scratch against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-ml-from-scratch" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaroslaw-weber/rust-ml-from-scratch on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-15/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 101857aaf0830e25f456154a978aa22c548067c916857b1d5a29dacc04a42e20 [INFO] running `Command { std: "docker" "start" "-a" "101857aaf0830e25f456154a978aa22c548067c916857b1d5a29dacc04a42e20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "101857aaf0830e25f456154a978aa22c548067c916857b1d5a29dacc04a42e20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "101857aaf0830e25f456154a978aa22c548067c916857b1d5a29dacc04a42e20", kill_on_drop: false }` [INFO] [stdout] 101857aaf0830e25f456154a978aa22c548067c916857b1d5a29dacc04a42e20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5673e0b21626120ecc01fd6fdc396caa67e8595b723c2ec0d7b9e906675d065 [INFO] running `Command { std: "docker" "start" "-a" "c5673e0b21626120ecc01fd6fdc396caa67e8595b723c2ec0d7b9e906675d065", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rayon-core v1.0.2 [INFO] [stderr] Checking deque v0.3.2 [INFO] [stderr] Checking adler32 v1.0.0 [INFO] [stderr] Checking inflate v0.2.0 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking scoped_threadpool v0.1.7 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-rational v0.1.36 [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] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/matrix.rs:42:3 [INFO] [stdout] | [INFO] [stdout] 42 | (index as usize) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/matrix.rs:248:83 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn matrix_on_matrix_operation(&self, other_matrix:&Matrix, combine_function:&Fn(f32,f32)->f32)->Matrix [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,f32)->f32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/matrix.rs:261:37 [INFO] [stdout] | [INFO] [stdout] 261 | pub fn map(&self, function_to_map:&Fn(f32)->f32)->Matrix [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/matrix.rs:42:3 [INFO] [stdout] | [INFO] [stdout] 42 | (index as usize) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/matrix.rs:248:83 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn matrix_on_matrix_operation(&self, other_matrix:&Matrix, combine_function:&Fn(f32,f32)->f32)->Matrix [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,f32)->f32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/matrix.rs:261:37 [INFO] [stdout] | [INFO] [stdout] 261 | pub fn map(&self, function_to_map:&Fn(f32)->f32)->Matrix [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32)->f32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum` [INFO] [stdout] --> src/matrix.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn sum(&self)->f32 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max` [INFO] [stdout] --> src/matrix.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn max(&self)->f32 [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `divn` [INFO] [stdout] --> src/matrix.rs:184:9 [INFO] [stdout] | [INFO] [stdout] 184 | pub fn divn(&self, number:f32)->Matrix [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `softmax` [INFO] [stdout] --> src/activations.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn softmax(x:&Matrix)->Matrix [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `softmax_stable` [INFO] [stdout] --> src/activations.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn softmax_stable(x:&Matrix)->Matrix [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `relu` [INFO] [stdout] --> src/activations.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn relu(x:&Matrix, derivative:bool)->Matrix [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sum` [INFO] [stdout] --> src/matrix.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn sum(&self)->f32 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max` [INFO] [stdout] --> src/matrix.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn max(&self)->f32 [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `divn` [INFO] [stdout] --> src/matrix.rs:184:9 [INFO] [stdout] | [INFO] [stdout] 184 | pub fn divn(&self, number:f32)->Matrix [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `softmax` [INFO] [stdout] --> src/activations.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn softmax(x:&Matrix)->Matrix [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `softmax_stable` [INFO] [stdout] --> src/activations.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn softmax_stable(x:&Matrix)->Matrix [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `relu` [INFO] [stdout] --> src/activations.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn relu(x:&Matrix, derivative:bool)->Matrix [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.93s [INFO] running `Command { std: "docker" "inspect" "c5673e0b21626120ecc01fd6fdc396caa67e8595b723c2ec0d7b9e906675d065", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5673e0b21626120ecc01fd6fdc396caa67e8595b723c2ec0d7b9e906675d065", kill_on_drop: false }` [INFO] [stdout] c5673e0b21626120ecc01fd6fdc396caa67e8595b723c2ec0d7b9e906675d065