[INFO] crate lfa 0.11.0 is already in cache
[INFO] extracting crate lfa 0.11.0 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/lfa/0.11.0
[INFO] extracting crate lfa 0.11.0 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/lfa/0.11.0
[INFO] validating manifest of lfa-0.11.0 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lfa-0.11.0 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lfa-0.11.0
[INFO] finished frobbing lfa-0.11.0
[INFO] frobbed toml for lfa-0.11.0 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/lfa/0.11.0/Cargo.toml
[INFO] started frobbing lfa-0.11.0
[INFO] finished frobbing lfa-0.11.0
[INFO] frobbed toml for lfa-0.11.0 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/lfa/0.11.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lfa-0.11.0 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/lfa/0.11.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a061ba00b214f77d6ba6c2bf48e88b224221d75de0499c9803f95d4b423150ca
[INFO] running `"docker" "start" "-a" "a061ba00b214f77d6ba6c2bf48e88b224221d75de0499c9803f95d4b423150ca"`
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking spaces v4.7.1
[INFO] [stderr]     Checking lfa v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/core/features.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / macro_rules! apply_to_dense_or_sparse {
[INFO] [stderr] 47 | |     ($call:ident => $features:expr) => {
[INFO] [stderr] 48 | |         match $features {
[INFO] [stderr] 49 | |             Features::Dense(ref activations) => $call(activations),
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |     };
[INFO] [stderr] 71 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `composition::Composable`
[INFO] [stderr]  --> src/basis/projector.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     composition::Composable,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Vector`
[INFO] [stderr]  --> src/lfa/transformed.rs:5:58
[INFO] [stderr]   |
[INFO] [stderr] 5 |     geometry::{Matrix, MatrixView, MatrixViewMut, Space, Vector},
[INFO] [stderr]   |                                                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/core/features.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / macro_rules! apply_to_dense_or_sparse {
[INFO] [stderr] 47 | |     ($call:ident => $features:expr) => {
[INFO] [stderr] 48 | |         match $features {
[INFO] [stderr] 49 | |             Features::Dense(ref activations) => $call(activations),
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |     };
[INFO] [stderr] 71 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `composition::Composable`
[INFO] [stderr]  --> src/basis/projector.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     composition::Composable,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Vector`
[INFO] [stderr]  --> src/lfa/transformed.rs:5:58
[INFO] [stderr]   |
[INFO] [stderr] 5 |     geometry::{Matrix, MatrixView, MatrixViewMut, Space, Vector},
[INFO] [stderr]   |                                                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Parameterised`
[INFO] [stderr]    --> src/lfa/transformed.rs:112:30
[INFO] [stderr]     |
[INFO] [stderr] 112 |         core::{Approximator, Parameterised, Embedding},
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `indices`
[INFO] [stderr]    --> src/core/features.rs:256:12
[INFO] [stderr]     |
[INFO] [stderr] 256 |         }; indices, {
[INFO] [stderr]     |            ^^^^^^^ help: consider prefixing with an underscore: `_indices`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `activations`
[INFO] [stderr]    --> src/core/features.rs:264:36
[INFO] [stderr]     |
[INFO] [stderr] 264 |         apply_to_features!(self => activations, {
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: consider prefixing with an underscore: `_activations`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `indices`
[INFO] [stderr]    --> src/core/features.rs:256:12
[INFO] [stderr]     |
[INFO] [stderr] 256 |         }; indices, {
[INFO] [stderr]     |            ^^^^^^^ help: consider prefixing with an underscore: `_indices`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `activations`
[INFO] [stderr]    --> src/core/features.rs:264:36
[INFO] [stderr]     |
[INFO] [stderr] 264 |         apply_to_features!(self => activations, {
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: consider prefixing with an underscore: `_activations`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inspect_candidate`
[INFO] [stderr]    --> src/basis/ifdd.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn inspect_candidate(&mut self, g: usize, h: usize, error: f64) -> Option<CandidateFeature> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `discover_dense`
[INFO] [stderr]    --> src/basis/ifdd.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn discover_dense(&mut self, phi: Vector<f64>, error: f64) -> Vec<CandidateFeature> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `discover_sparse`
[INFO] [stderr]    --> src/basis/ifdd.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     fn discover_sparse(&mut self, active_indices: IndexSet, error: f64) -> Vec<CandidateFeature> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_feature`
[INFO] [stderr]    --> src/basis/ifdd.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn add_feature(&mut self, candidate: CandidateFeature) -> Option<(usize, IndexSet)> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `discover`
[INFO] [stderr]    --> src/basis/ifdd.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 | /     fn discover<I>(&mut self, input: &I, error: f64) -> Option<HashMap<IndexT, IndexSet>>
[INFO] [stderr] 161 | |     where
[INFO] [stderr] 162 | |         I: ?Sized,
[INFO] [stderr] 163 | |         P: Projector<I>
[INFO] [stderr] ...   |
[INFO] [stderr] 181 | |         })
[INFO] [stderr] 182 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.66s
[INFO] running `"docker" "inspect" "a061ba00b214f77d6ba6c2bf48e88b224221d75de0499c9803f95d4b423150ca"`
[INFO] running `"docker" "rm" "-f" "a061ba00b214f77d6ba6c2bf48e88b224221d75de0499c9803f95d4b423150ca"`
[INFO] [stdout] a061ba00b214f77d6ba6c2bf48e88b224221d75de0499c9803f95d4b423150ca