[INFO] fetching crate lfa 0.15.0...
[INFO] testing lfa-0.15.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate lfa 0.15.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lfa 0.15.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 78ed982381a55c7bee150c01ff76393950969fc129ea777873fd21adbb541245
[INFO] running `Command { std: "docker" "start" "-a" "78ed982381a55c7bee150c01ff76393950969fc129ea777873fd21adbb541245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78ed982381a55c7bee150c01ff76393950969fc129ea777873fd21adbb541245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ed982381a55c7bee150c01ff76393950969fc129ea777873fd21adbb541245", kill_on_drop: false }`
[INFO] [stdout] 78ed982381a55c7bee150c01ff76393950969fc129ea777873fd21adbb541245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93406656c9f54fd316257bf50068f55d84b0680310f16d963b2bb7dc4283ac93
[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" "93406656c9f54fd316257bf50068f55d84b0680310f16d963b2bb7dc4283ac93", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[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 12.64s
[INFO] running `Command { std: "docker" "inspect" "93406656c9f54fd316257bf50068f55d84b0680310f16d963b2bb7dc4283ac93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93406656c9f54fd316257bf50068f55d84b0680310f16d963b2bb7dc4283ac93", kill_on_drop: false }`
[INFO] [stdout] 93406656c9f54fd316257bf50068f55d84b0680310f16d963b2bb7dc4283ac93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 5365c7bf68fb02990556ca680ef130c7d875b29d3b43571576dbbd9d05e2bb95
[INFO] running `Command { std: "docker" "start" "-a" "5365c7bf68fb02990556ca680ef130c7d875b29d3b43571576dbbd9d05e2bb95", kill_on_drop: false }`
[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 getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling openblas-src v0.6.1
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[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 10.60s
[INFO] running `Command { std: "docker" "inspect" "5365c7bf68fb02990556ca680ef130c7d875b29d3b43571576dbbd9d05e2bb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5365c7bf68fb02990556ca680ef130c7d875b29d3b43571576dbbd9d05e2bb95", kill_on_drop: false }`
[INFO] [stdout] 5365c7bf68fb02990556ca680ef130c7d875b29d3b43571576dbbd9d05e2bb95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] 97d65256bbf9a20a1562c4b571e74455c59b556a57e9693e880dd9d34ff71583
[INFO] running `Command { std: "docker" "start" "-a" "97d65256bbf9a20a1562c4b571e74455c59b556a57e9693e880dd9d34ff71583", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `lfa` (lib) generated 2 warnings
[INFO] [stderr] warning: `lfa` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lfa-20689f8c46266b53)
[INFO] [stdout] running 24 tests
[INFO] [stdout] test basis::stack::tests::test_stack_constant ... 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::stack::tests::test_stack_indices ... ok
[INFO] [stdout] test basis::uniform_grid::tests::test_1d ... ok
[INFO] [stdout] test basis::fourier::tests::test_order1_1d ... ok
[INFO] [stdout] test basis::fourier::tests::test_order1_2d ... ok
[INFO] [stdout] test basis::uniform_grid::tests::test_2d ... ok
[INFO] [stdout] test basis::fourier::tests::test_n_features ... ok
[INFO] [stdout] test basis::fourier::tests::test_bounds ... ok
[INFO] [stdout] test basis::fourier::tests::test_order2_1d ... 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::fourier::tests::test_order2_2d ... ok
[INFO] [stdout] test features::tests::test_dense ... ok
[INFO] [stdout] test basis::kernelised::tests::test_n_features ... ok
[INFO] [stdout] test basis::normalisation::tests::test_l1 ... ok
[INFO] [stdout] test basis::normalisation::tests::test_l2 ... ok
[INFO] [stdout] test features::tests::test_map_inplace ... ok
[INFO] [stdout] test features::tests::test_merge_inplace ... ok
[INFO] [stdout] test features::tests::test_sparse ... ok
[INFO] [stdout] test basis::constant::tests::test_project_general ... ok
[INFO] [stderr]    Doc-tests lfa
[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 0.18s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 11) - compile ... ok
[INFO] [stdout] test src/features.rs - features::Features::remove (line 208) ... ok
[INFO] [stdout] test src/basis/mod.rs - basis::Basis::project (line 30) ... ok
[INFO] [stdout] test src/features.rs - features::Features::dot (line 555) ... ok
[INFO] [stdout] test src/features.rs - features::Features::into_dense (line 248) ... ok
[INFO] [stdout] test src/basis/polynomial/mod.rs - basis::polynomial::Polynomial (line 27) ... 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/features.rs - features::Features::matmul (line 591) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97d65256bbf9a20a1562c4b571e74455c59b556a57e9693e880dd9d34ff71583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d65256bbf9a20a1562c4b571e74455c59b556a57e9693e880dd9d34ff71583", kill_on_drop: false }`
[INFO] [stdout] 97d65256bbf9a20a1562c4b571e74455c59b556a57e9693e880dd9d34ff71583