[INFO] fetching crate lfa 0.15.0...
[INFO] testing lfa-0.15.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lfa 0.15.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lfa 0.15.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded seahash v4.0.1
[INFO] [stderr]   Downloaded spaces v5.0.0
[INFO] [stderr]   Downloaded openblas-src v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74734871d11f94a7313696acfe68fcbe49a33d049cc53410b6421f11751a7f21
[INFO] running `Command { std: "docker" "start" "-a" "74734871d11f94a7313696acfe68fcbe49a33d049cc53410b6421f11751a7f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74734871d11f94a7313696acfe68fcbe49a33d049cc53410b6421f11751a7f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74734871d11f94a7313696acfe68fcbe49a33d049cc53410b6421f11751a7f21", kill_on_drop: false }`
[INFO] [stdout] 74734871d11f94a7313696acfe68fcbe49a33d049cc53410b6421f11751a7f21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6423e29a489a26a806958ed8eaa059c4978fe6e2372a060aca2c8e3e0767781
[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" "f6423e29a489a26a806958ed8eaa059c4978fe6e2372a060aca2c8e3e0767781", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling spaces v5.0.0
[INFO] [stderr]    Compiling lfa v0.15.0 (/opt/rustwide/workdir)
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `Command { std: "docker" "inspect" "f6423e29a489a26a806958ed8eaa059c4978fe6e2372a060aca2c8e3e0767781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6423e29a489a26a806958ed8eaa059c4978fe6e2372a060aca2c8e3e0767781", kill_on_drop: false }`
[INFO] [stdout] f6423e29a489a26a806958ed8eaa059c4978fe6e2372a060aca2c8e3e0767781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e24a9af8f865618c215e2683955745112013a7c4fd65f38aa0034342e7bb604
[INFO] running `Command { std: "docker" "start" "-a" "3e24a9af8f865618c215e2683955745112013a7c4fd65f38aa0034342e7bb604", kill_on_drop: false }`
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling seahash v4.0.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_distr v0.2.2
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling lfa v0.15.0 (/opt/rustwide/workdir)
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "3e24a9af8f865618c215e2683955745112013a7c4fd65f38aa0034342e7bb604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e24a9af8f865618c215e2683955745112013a7c4fd65f38aa0034342e7bb604", kill_on_drop: false }`
[INFO] [stdout] 3e24a9af8f865618c215e2683955745112013a7c4fd65f38aa0034342e7bb604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 100172bb426952eaac81a40f3531b4b86781bb975f4ef9e2bdc2fee98251c9ae
[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" "100172bb426952eaac81a40f3531b4b86781bb975f4ef9e2bdc2fee98251c9ae", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout] 
[INFO] [stderr]    --> src/features.rs:372:9
[INFO] [stdout] running 24 tests
[INFO] [stderr]     |
[INFO] [stderr] 372 |         mem::replace(self, old.map_into(f));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[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] 
[INFO] [stderr] warning: 2 warnings emitted
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[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] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lfa-065995c73d5c3bb1
[INFO] [stdout] test basis::fourier::tests::test_order1_1d ... ok
[INFO] [stdout] test basis::fourier::tests::test_order1_2d ... ok
[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_2d ... ok
[INFO] [stdout] test basis::fourier::tests::test_order2_1d ... ok
[INFO] [stdout] test basis::stack::tests::test_stack_constant ... ok
[INFO] [stdout] test basis::kernelised::tests::test_projection_2d ... ok
[INFO] [stdout] test basis::kernelised::tests::test_projection_1d ... ok
[INFO] [stdout] test basis::tile_coding::tests::test_bin_state_2d ... ok
[INFO] [stdout] test basis::stack::tests::test_stack_indices ... 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::uniform_grid::tests::test_1d ... ok
[INFO] [stdout] test basis::uniform_grid::tests::test_2d ... ok
[INFO] [stdout] test features::tests::test_dense ... ok
[INFO] [stdout] test features::tests::test_map_inplace ... ok
[INFO] [stdout] test basis::kernelised::tests::test_n_features ... ok
[INFO] [stdout] test basis::constant::tests::test_project_general ... 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::normalisation::tests::test_l2 ... ok
[INFO] [stdout] test basis::uniform_grid::tests::test_3d ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lfa
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/features.rs - features::Features::dot (line 555) ... ok
[INFO] [stdout] test src/basis/mod.rs - basis::Basis::project (line 30) ... ok
[INFO] [stdout] test src/features.rs - features::Features::stack (line 273) ... ok
[INFO] [stdout] test src/basis/polynomial/mod.rs - basis::polynomial::Polynomial (line 14) ... ok
[INFO] [stdout] test src/basis/polynomial/mod.rs - basis::polynomial::Polynomial (line 27) ... ok
[INFO] [stdout] test src/features.rs - features::Features::into_dense (line 248) ... ok
[INFO] [stdout] test src/features.rs - features::Features::matmul (line 591) ... ok
[INFO] [stdout] test src/features.rs - features::Features::remove (line 208) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "100172bb426952eaac81a40f3531b4b86781bb975f4ef9e2bdc2fee98251c9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100172bb426952eaac81a40f3531b4b86781bb975f4ef9e2bdc2fee98251c9ae", kill_on_drop: false }`
[INFO] [stdout] 100172bb426952eaac81a40f3531b4b86781bb975f4ef9e2bdc2fee98251c9ae