[INFO] updating cached repository timboe/rust_perceptron [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/timboe/rust_perceptron [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/timboe/rust_perceptron" "work/ex/beta-1.38-1/sources/1.37.0/gh/timboe/rust_perceptron"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/timboe/rust_perceptron'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/timboe/rust_perceptron" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/timboe/rust_perceptron"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of timboe/rust_perceptron on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing timboe/rust_perceptron against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 2e5906fdf515c5f5af2280df3342c239b3b89830c3ae41c186fde25c35d9a4c1 [INFO] running `"docker" "start" "-a" "2e5906fdf515c5f5af2280df3342c239b3b89830c3ae41c186fde25c35d9a4c1"` [INFO] [stderr] Compiling mnist v0.4.0 [INFO] [stderr] Compiling mindtree_utils v0.4.0 [INFO] [stderr] Compiling rulinalg v0.4.2 [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 5.39s [INFO] running `"docker" "inspect" "2e5906fdf515c5f5af2280df3342c239b3b89830c3ae41c186fde25c35d9a4c1"` [INFO] running `"docker" "rm" "-f" "2e5906fdf515c5f5af2280df3342c239b3b89830c3ae41c186fde25c35d9a4c1"` [INFO] [stdout] 2e5906fdf515c5f5af2280df3342c239b3b89830c3ae41c186fde25c35d9a4c1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 425f91ff92ac2e2e59b43605eddeeef17ca452305c608aca9c3362159f5f7efb [INFO] running `"docker" "start" "-a" "425f91ff92ac2e2e59b43605eddeeef17ca452305c608aca9c3362159f5f7efb"` [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 1.02s [INFO] running `"docker" "inspect" "425f91ff92ac2e2e59b43605eddeeef17ca452305c608aca9c3362159f5f7efb"` [INFO] running `"docker" "rm" "-f" "425f91ff92ac2e2e59b43605eddeeef17ca452305c608aca9c3362159f5f7efb"` [INFO] [stdout] 425f91ff92ac2e2e59b43605eddeeef17ca452305c608aca9c3362159f5f7efb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 1b1a5b6392f33851eaae2d5dcb238e3b30cbd6429d2ee0a58808cc5197d46c03 [INFO] running `"docker" "start" "-a" "1b1a5b6392f33851eaae2d5dcb238e3b30cbd6429d2ee0a58808cc5197d46c03"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_perceptron-2591e43401477d24 [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" "1b1a5b6392f33851eaae2d5dcb238e3b30cbd6429d2ee0a58808cc5197d46c03"` [INFO] running `"docker" "rm" "-f" "1b1a5b6392f33851eaae2d5dcb238e3b30cbd6429d2ee0a58808cc5197d46c03"` [INFO] [stdout] 1b1a5b6392f33851eaae2d5dcb238e3b30cbd6429d2ee0a58808cc5197d46c03