[INFO] fetching crate prophet 0.4.2... [INFO] testing prophet-0.4.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate prophet 0.4.2 into /workspace/builds/worker-48/source [INFO] validating manifest of crates.io crate prophet 0.4.2 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 prophet 0.4.2 [INFO] finished tweaking crates.io crate prophet 0.4.2 [INFO] tweaked toml for crates.io crate prophet 0.4.2 written to /workspace/builds/worker-48/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] [stderr] Blocking waiting for file lock on package cache [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] [stderr] Downloaded ndarray v0.10.14 [INFO] [stderr] Downloaded ndarray-rand v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] [stdout] c43c94788ccea3ba06f874c3424c679f2cf11b2f18dedf92541bc3de20782799 [INFO] running `Command { std: "docker" "start" "-a" "c43c94788ccea3ba06f874c3424c679f2cf11b2f18dedf92541bc3de20782799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c43c94788ccea3ba06f874c3424c679f2cf11b2f18dedf92541bc3de20782799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c43c94788ccea3ba06f874c3424c679f2cf11b2f18dedf92541bc3de20782799", kill_on_drop: false }` [INFO] [stdout] c43c94788ccea3ba06f874c3424c679f2cf11b2f18dedf92541bc3de20782799 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] 1afaabf86bf475ec7c71bdd9ac4b8c66705bcb99078776f14c79562a8fb8aa85 [INFO] running `Command { std: "docker" "start" "-a" "1afaabf86bf475ec7c71bdd9ac4b8c66705bcb99078776f14c79562a8fb8aa85", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling ndarray-rand v0.6.1 [INFO] [stderr] Compiling prophet v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.65s [INFO] running `Command { std: "docker" "inspect" "1afaabf86bf475ec7c71bdd9ac4b8c66705bcb99078776f14c79562a8fb8aa85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1afaabf86bf475ec7c71bdd9ac4b8c66705bcb99078776f14c79562a8fb8aa85", kill_on_drop: false }` [INFO] [stdout] 1afaabf86bf475ec7c71bdd9ac4b8c66705bcb99078776f14c79562a8fb8aa85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] [stdout] b6fc29d1263ebdc40ca037c3a6b89b06bb0ff61d86b9f8a4ca8c91c94985a92f [INFO] running `Command { std: "docker" "start" "-a" "b6fc29d1263ebdc40ca037c3a6b89b06bb0ff61d86b9f8a4ca8c91c94985a92f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling approx v0.1.1 [INFO] [stderr] Compiling prophet v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `to_owned` that must be used [INFO] [stdout] --> src/neural_net.rs:418:4 [INFO] [stdout] | [INFO] [stdout] 418 | layer.calculate_output_gradients(expected.view()).to_owned(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: cloning is often expensive and is not expected to have side effects [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `Command { std: "docker" "inspect" "b6fc29d1263ebdc40ca037c3a6b89b06bb0ff61d86b9f8a4ca8c91c94985a92f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6fc29d1263ebdc40ca037c3a6b89b06bb0ff61d86b9f8a4ca8c91c94985a92f", kill_on_drop: false }` [INFO] [stdout] b6fc29d1263ebdc40ca037c3a6b89b06bb0ff61d86b9f8a4ca8c91c94985a92f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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] [stdout] 66a8cd5817a739c9bf531429bc21a0a66c713be9063669064b4b7ef5d37ac178 [INFO] running `Command { std: "docker" "start" "-a" "66a8cd5817a739c9bf531429bc21a0a66c713be9063669064b4b7ef5d37ac178", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused return value of `to_owned` that must be used [INFO] [stderr] --> src/neural_net.rs:418:4 [INFO] [stderr] | [INFO] [stderr] 418 | layer.calculate_output_gradients(expected.view()).to_owned(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: cloning is often expensive and is not expected to have side effects [INFO] [stderr] [INFO] [stderr] warning: `prophet` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/prophet-bed745155bf35d4e) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test activation::tests::bent_identity ... ok [INFO] [stdout] test activation::tests::binary_step ... ok [INFO] [stdout] test activation::tests::identity ... ok [INFO] [stdout] test activation::tests::gaussian ... ok [INFO] [stdout] test activation::tests::logistic ... ok [INFO] [stdout] test activation::tests::arctan ... ok [INFO] [stdout] test activation::tests::relu ... ok [INFO] [stdout] test activation::tests::softsign ... ok [INFO] [stdout] test activation::tests::softplus ... ok [INFO] [stdout] test activation::tests::sinusoid ... ok [INFO] [stdout] test neural_net::tests::equivalence ... ignored [INFO] [stdout] test mentor::samples::tests::sample_and_vec_equal ... ok [INFO] [stdout] test neural_net::tests::fully_connected_layer::construction_invariants ... ok [INFO] [stdout] test mentor::samples::tests::missing_both_brackets ... ok [INFO] [stdout] test mentor::samples::tests::missing_left_brackets ... ok [INFO] [stdout] test activation::tests::tanh ... ok [INFO] [stdout] test neural_net::tests::fully_connected_layer::propagate_gradients ... ok [INFO] [stdout] test mentor::samples::tests::missing_right_brackets ... ok [INFO] [stdout] test neural_net::tests::fully_connected_layer::update_output_gradients ... ok [INFO] [stdout] test neural_net::tests::fully_connected_layer::feed_forward ... ok [INFO] [stdout] test neural_net::tests::fully_connected_layer::update_weights ... ok [INFO] [stdout] test topology::tests::construction ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-c9df43b7581fd75f) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test train_constant ... ok [INFO] [stdout] test train_and ... ok [INFO] [stdout] test train_triple_add ... ok [INFO] [stdout] test train_compare ... ok [INFO] [stderr] Doc-tests prophet [INFO] [stdout] test train_xor ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/mentor/samples.rs - mentor::samples::samples (line 81) - compile ... ok [INFO] [stdout] test src/mentor/samples.rs - mentor::samples::samples (line 108) - compile ... ok [INFO] [stdout] test src/mentor/samples.rs - mentor::samples::samples (line 89) ... ok [INFO] [stdout] test src/lib.rs - (line 19) ... ok [INFO] [stdout] test src/lib.rs - (line 63) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "66a8cd5817a739c9bf531429bc21a0a66c713be9063669064b4b7ef5d37ac178", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66a8cd5817a739c9bf531429bc21a0a66c713be9063669064b4b7ef5d37ac178", kill_on_drop: false }` [INFO] [stdout] 66a8cd5817a739c9bf531429bc21a0a66c713be9063669064b4b7ef5d37ac178