[INFO] cloning repository timboe/rust_perceptron [INFO] running `"git" "clone" "--bare" "git://github.com/timboe/rust_perceptron.git" "work/cache/sources/gh/timboe/rust_perceptron"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/timboe/rust_perceptron'... [INFO] running `"git" "clone" "work/cache/sources/gh/timboe/rust_perceptron" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/timboe/rust_perceptron"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/timboe/rust_perceptron'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/timboe/rust_perceptron" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/timboe/rust_perceptron"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/timboe/rust_perceptron'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f65e03d5250d4be622afffecb756a973efaf7bf2 [INFO] sha for GitHub repo timboe/rust_perceptron: f65e03d5250d4be622afffecb756a973efaf7bf2 [INFO] validating manifest of timboe/rust_perceptron on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of timboe/rust_perceptron on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing timboe/rust_perceptron [INFO] finished frobbing timboe/rust_perceptron [INFO] frobbed toml for timboe/rust_perceptron written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/timboe/rust_perceptron/Cargo.toml [INFO] started frobbing timboe/rust_perceptron [INFO] finished frobbing timboe/rust_perceptron [INFO] frobbed toml for timboe/rust_perceptron written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/timboe/rust_perceptron/Cargo.toml [INFO] crate timboe/rust_perceptron already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mindtree_utils v0.4.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing timboe/rust_perceptron against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/timboe/rust_perceptron:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] d84709e0f7051d1b547c08352c1e1b9db6e1f0eb0b9496311e8f7c4689aa0bb0 [INFO] running `"docker" "start" "-a" "d84709e0f7051d1b547c08352c1e1b9db6e1f0eb0b9496311e8f7c4689aa0bb0"` [INFO] [stderr] Compiling mnist v0.4.0 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling rulinalg v0.4.2 [INFO] [stderr] Compiling mindtree_utils v0.4.0 [INFO] [stderr] Compiling rust_perceptron v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `cost` [INFO] [stderr] --> src/main.rs:243:13 [INFO] [stderr] | [INFO] [stderr] 243 | let cost = network.apply(&mut response, answers.get(label).unwrap()); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_cost` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vertex` [INFO] [stderr] --> src/main.rs:128:17 [INFO] [stderr] | [INFO] [stderr] 128 | for (index, vertex) in self.layers.iter().enumerate() { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_vertex` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:150:9 [INFO] [stderr] | [INFO] [stderr] 150 | let mut iter = response.get_output_layer().iter().zip( answer.iter() ); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_ref` [INFO] [stderr] --> src/main.rs:170:3 [INFO] [stderr] | [INFO] [stderr] 170 | pub fn as_ref(&self) -> &Vector { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_ref` [INFO] [stderr] --> src/main.rs:185:3 [INFO] [stderr] | [INFO] [stderr] 185 | pub fn as_ref(&self) -> &Matrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.44s [INFO] running `"docker" "inspect" "d84709e0f7051d1b547c08352c1e1b9db6e1f0eb0b9496311e8f7c4689aa0bb0"` [INFO] running `"docker" "rm" "-f" "d84709e0f7051d1b547c08352c1e1b9db6e1f0eb0b9496311e8f7c4689aa0bb0"` [INFO] [stdout] d84709e0f7051d1b547c08352c1e1b9db6e1f0eb0b9496311e8f7c4689aa0bb0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/timboe/rust_perceptron:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 4ad79e998f91777f87d9ab6b68fb17c37702059833225543110e32e97723f164 [INFO] running `"docker" "start" "-a" "4ad79e998f91777f87d9ab6b68fb17c37702059833225543110e32e97723f164"` [INFO] [stderr] Compiling rust_perceptron v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `cost` [INFO] [stderr] --> src/main.rs:243:13 [INFO] [stderr] | [INFO] [stderr] 243 | let cost = network.apply(&mut response, answers.get(label).unwrap()); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_cost` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `vertex` [INFO] [stderr] --> src/main.rs:128:17 [INFO] [stderr] | [INFO] [stderr] 128 | for (index, vertex) in self.layers.iter().enumerate() { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_vertex` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:150:9 [INFO] [stderr] | [INFO] [stderr] 150 | let mut iter = response.get_output_layer().iter().zip( answer.iter() ); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_ref` [INFO] [stderr] --> src/main.rs:170:3 [INFO] [stderr] | [INFO] [stderr] 170 | pub fn as_ref(&self) -> &Vector { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `as_ref` [INFO] [stderr] --> src/main.rs:185:3 [INFO] [stderr] | [INFO] [stderr] 185 | pub fn as_ref(&self) -> &Matrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "4ad79e998f91777f87d9ab6b68fb17c37702059833225543110e32e97723f164"` [INFO] running `"docker" "rm" "-f" "4ad79e998f91777f87d9ab6b68fb17c37702059833225543110e32e97723f164"` [INFO] [stdout] 4ad79e998f91777f87d9ab6b68fb17c37702059833225543110e32e97723f164 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/timboe/rust_perceptron:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] daecd47667d287bbec092a67389e95885e4f598995499b0339e24effef25480c [INFO] running `"docker" "start" "-a" "daecd47667d287bbec092a67389e95885e4f598995499b0339e24effef25480c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_perceptron-d49253d3d42234c7 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "daecd47667d287bbec092a67389e95885e4f598995499b0339e24effef25480c"` [INFO] running `"docker" "rm" "-f" "daecd47667d287bbec092a67389e95885e4f598995499b0339e24effef25480c"` [INFO] [stdout] daecd47667d287bbec092a67389e95885e4f598995499b0339e24effef25480c