[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [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#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-ml-from-scratch" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaroslaw-weber/rust-ml-from-scratch on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11ed876ae32f4ca34bfcf6ff54f5a27cc0e6444c8703232a59d273e540c08958 [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" "11ed876ae32f4ca34bfcf6ff54f5a27cc0e6444c8703232a59d273e540c08958", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11ed876ae32f4ca34bfcf6ff54f5a27cc0e6444c8703232a59d273e540c08958", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11ed876ae32f4ca34bfcf6ff54f5a27cc0e6444c8703232a59d273e540c08958", kill_on_drop: false }` [INFO] [stdout] 11ed876ae32f4ca34bfcf6ff54f5a27cc0e6444c8703232a59d273e540c08958 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98aeb1d4e4980ee651829c5edfb0a47577cdfc9a2886969fcf6320744c668189 [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" "98aeb1d4e4980ee651829c5edfb0a47577cdfc9a2886969fcf6320744c668189", kill_on_drop: false }` [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking scoped_threadpool v0.1.7 [INFO] [stderr] Checking deflate v0.7.11 [INFO] [stderr] Checking gif v0.9.1 [INFO] [stderr] Checking rayon-core v1.0.2 [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] [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] [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] [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: 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] [INFO] [stdout] warning: 9 warnings emitted [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.18s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "98aeb1d4e4980ee651829c5edfb0a47577cdfc9a2886969fcf6320744c668189", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98aeb1d4e4980ee651829c5edfb0a47577cdfc9a2886969fcf6320744c668189", kill_on_drop: false }` [INFO] [stdout] 98aeb1d4e4980ee651829c5edfb0a47577cdfc9a2886969fcf6320744c668189