[INFO] fetching crate lfa 0.15.0... [INFO] testing lfa-0.15.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate lfa 0.15.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate lfa 0.15.0 [INFO] finished tweaking crates.io crate lfa 0.15.0 [INFO] tweaked toml for crates.io crate lfa 0.15.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate lfa 0.15.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 41 packages to latest compatible versions [INFO] [stderr] Adding blas-src v0.2.1 (available: v0.12.1) [INFO] [stderr] Adding itertools v0.9.0 (available: v0.14.0) [INFO] [stderr] Adding ndarray v0.13.1 (available: v0.16.1) [INFO] [stderr] Adding openblas-src v0.6.1 (available: v0.10.12) [INFO] [stderr] Adding quickcheck v0.9.2 (available: v1.0.3) [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] [stderr] Adding rand_distr v0.2.2 (available: v0.5.1) [INFO] [stderr] Adding spaces v5.0.0 (available: v6.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded openblas-src v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a83ea10752ad2733a9acbc0467ac58969a39d7dc81a6f8ea6e640af938006445 [INFO] running `Command { std: "docker" "start" "-a" "a83ea10752ad2733a9acbc0467ac58969a39d7dc81a6f8ea6e640af938006445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a83ea10752ad2733a9acbc0467ac58969a39d7dc81a6f8ea6e640af938006445", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a83ea10752ad2733a9acbc0467ac58969a39d7dc81a6f8ea6e640af938006445", kill_on_drop: false }` [INFO] [stdout] a83ea10752ad2733a9acbc0467ac58969a39d7dc81a6f8ea6e640af938006445 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce21f7ffa9a9cf79ba07d00e75edb795c690a999d04c3393176c0ee916ec630d [INFO] running `Command { std: "docker" "start" "-a" "ce21f7ffa9a9cf79ba07d00e75edb795c690a999d04c3393176c0ee916ec630d", kill_on_drop: false }` [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling spaces v5.0.0 [INFO] [stderr] Compiling lfa v0.15.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `serialize` [INFO] [stdout] --> src/basis/tile_coding.rs:46:16 [INFO] [stdout] | [INFO] [stdout] 46 | #[cfg_attr(feature = "serialize", serde(default))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `blas`, `default`, `serde`, and `serde_crate` [INFO] [stdout] = help: consider adding `serialize` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/features.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter<'_, IndexT, ActivationT> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/features.rs:372:9 [INFO] [stdout] | [INFO] [stdout] 372 | mem::replace(self, old.map_into(f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 372 | let _ = mem::replace(self, old.map_into(f)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/features.rs:538:9 [INFO] [stdout] | [INFO] [stdout] 538 | mem::replace(self, old.merge_into(other, f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 538 | let _ = mem::replace(self, old.merge_into(other, f)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s [INFO] running `Command { std: "docker" "inspect" "ce21f7ffa9a9cf79ba07d00e75edb795c690a999d04c3393176c0ee916ec630d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce21f7ffa9a9cf79ba07d00e75edb795c690a999d04c3393176c0ee916ec630d", kill_on_drop: false }` [INFO] [stdout] ce21f7ffa9a9cf79ba07d00e75edb795c690a999d04c3393176c0ee916ec630d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cdfe714c30f647af7d1885b447731c8ae2dc0c85dd10c759ec5199bd232276b [INFO] running `Command { std: "docker" "start" "-a" "0cdfe714c30f647af7d1885b447731c8ae2dc0c85dd10c759ec5199bd232276b", kill_on_drop: false }` [INFO] [stderr] Compiling openblas-src v0.6.1 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stdout] warning: unexpected `cfg` condition value: `serialize` [INFO] [stdout] --> src/basis/tile_coding.rs:46:16 [INFO] [stdout] | [INFO] [stdout] 46 | #[cfg_attr(feature = "serialize", serde(default))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `blas`, `default`, `serde`, and `serde_crate` [INFO] [stdout] = help: consider adding `serialize` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/features.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter<'_, IndexT, ActivationT> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/features.rs:372:9 [INFO] [stdout] | [INFO] [stdout] 372 | mem::replace(self, old.map_into(f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 372 | let _ = mem::replace(self, old.map_into(f)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/features.rs:538:9 [INFO] [stdout] | [INFO] [stdout] 538 | mem::replace(self, old.merge_into(other, f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 538 | let _ = mem::replace(self, old.merge_into(other, f)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling blas-src v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling quickcheck v0.9.2 [INFO] [stderr] Compiling lfa v0.15.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `serialize` [INFO] [stdout] --> src/basis/tile_coding.rs:46:16 [INFO] [stdout] | [INFO] [stdout] 46 | #[cfg_attr(feature = "serialize", serde(default))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `blas`, `default`, `serde`, and `serde_crate` [INFO] [stdout] = help: consider adding `serialize` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/features.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter<'_, IndexT, ActivationT> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/features.rs:372:9 [INFO] [stdout] | [INFO] [stdout] 372 | mem::replace(self, old.map_into(f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 372 | let _ = mem::replace(self, old.map_into(f)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/features.rs:538:9 [INFO] [stdout] | [INFO] [stdout] 538 | mem::replace(self, old.merge_into(other, f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 538 | let _ = mem::replace(self, old.merge_into(other, f)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.36s [INFO] running `Command { std: "docker" "inspect" "0cdfe714c30f647af7d1885b447731c8ae2dc0c85dd10c759ec5199bd232276b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cdfe714c30f647af7d1885b447731c8ae2dc0c85dd10c759ec5199bd232276b", kill_on_drop: false }` [INFO] [stdout] 0cdfe714c30f647af7d1885b447731c8ae2dc0c85dd10c759ec5199bd232276b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 96d98682a113faea1bf8b3fcb1ecdfdea053a88a00ee837eafa49d4feefb6700 [INFO] running `Command { std: "docker" "start" "-a" "96d98682a113faea1bf8b3fcb1ecdfdea053a88a00ee837eafa49d4feefb6700", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition value: `serialize` [INFO] [stderr] --> src/basis/tile_coding.rs:46:16 [INFO] [stderr] | [INFO] [stderr] 46 | #[cfg_attr(feature = "serialize", serde(default))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `blas`, `default`, `serde`, and `serde_crate` [INFO] [stderr] = help: consider adding `serialize` as a feature in `Cargo.toml` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/features.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 103 | pub fn iter(&self) -> ::std::collections::hash_map::Iter<'_, IndexT, ActivationT> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/features.rs:372:9 [INFO] [stderr] | [INFO] [stderr] 372 | mem::replace(self, old.map_into(f)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 372 | let _ = mem::replace(self, old.map_into(f)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/features.rs:538:9 [INFO] [stderr] | [INFO] [stderr] 538 | mem::replace(self, old.merge_into(other, f)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 538 | let _ = mem::replace(self, old.merge_into(other, f)); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `lfa` (lib) generated 4 warnings (run `cargo fix --lib -p lfa` to apply 1 suggestion) [INFO] [stderr] warning: `lfa` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lfa-abddb1523ceb8226) [INFO] [stdout] [INFO] [stdout] running 24 tests [INFO] [stdout] test basis::fourier::tests::test_bounds ... ok [INFO] [stdout] test basis::fourier::tests::test_n_features ... ok [INFO] [stdout] test basis::fourier::tests::test_order2_1d ... ok [INFO] [stdout] test basis::fourier::tests::test_order1_2d ... ok [INFO] [stdout] test basis::fourier::tests::test_order1_1d ... ok [INFO] [stdout] test basis::fourier::tests::test_order2_2d ... ok [INFO] [stdout] test basis::kernelised::tests::test_projection_1d ... ok [INFO] [stdout] test basis::kernelised::tests::test_n_features ... ok [INFO] [stdout] test basis::kernelised::tests::test_projection_2d ... ok [INFO] [stdout] test basis::stack::tests::test_stack_mixed ... ok [INFO] [stdout] test basis::tile_coding::tests::test_bin_state_1d ... ok [INFO] [stdout] test basis::tile_coding::tests::test_bin_state_2d ... ok [INFO] [stdout] test basis::uniform_grid::tests::test_2d ... ok [INFO] [stdout] test basis::stack::tests::test_stack_constant ... ok [INFO] [stdout] test basis::uniform_grid::tests::test_1d ... ok [INFO] [stdout] test features::tests::test_dense ... ok [INFO] [stdout] test basis::stack::tests::test_stack_indices ... ok [INFO] [stdout] test features::tests::test_map_inplace ... ok [INFO] [stdout] test basis::normalisation::tests::test_l1 ... ok [INFO] [stdout] test features::tests::test_merge_inplace ... ok [INFO] [stdout] test features::tests::test_sparse ... ok [INFO] [stdout] test basis::uniform_grid::tests::test_3d ... ok [INFO] [stdout] test basis::normalisation::tests::test_l2 ... ok [INFO] [stdout] test basis::constant::tests::test_project_general ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] Doc-tests lfa [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/features.rs - features::Features::dot (line 555) ... ok [INFO] [stdout] test src/features.rs - features::Features::remove (line 208) ... ok [INFO] [stdout] test src/lib.rs - (line 11) - compile ... ok [INFO] [stdout] test src/basis/polynomial/mod.rs - basis::polynomial::Polynomial (line 14) ... ok [INFO] [stdout] test src/features.rs - features::Features::into_dense (line 248) ... ok [INFO] [stdout] test src/features.rs - features::Features::stack (line 273) ... ok [INFO] [stdout] test src/features.rs - features::Features::matmul (line 591) ... ok [INFO] [stdout] test src/basis/mod.rs - basis::Basis::project (line 30) ... ok [INFO] [stdout] test src/basis/polynomial/mod.rs - basis::polynomial::Polynomial (line 27) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.39s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "96d98682a113faea1bf8b3fcb1ecdfdea053a88a00ee837eafa49d4feefb6700", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96d98682a113faea1bf8b3fcb1ecdfdea053a88a00ee837eafa49d4feefb6700", kill_on_drop: false }` [INFO] [stdout] 96d98682a113faea1bf8b3fcb1ecdfdea053a88a00ee837eafa49d4feefb6700