[INFO] fetching crate neat-gru 0.6.4...
[INFO] testing neat-gru-0.6.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate neat-gru 0.6.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate neat-gru 0.6.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neat-gru 0.6.4
[INFO] finished tweaking crates.io crate neat-gru 0.6.4
[INFO] tweaked toml for crates.io crate neat-gru 0.6.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c7d4f32cfaf55c14aa7d3c9045a62af268d073325aa090556d5c8cf34fd4ba4
[INFO] running `Command { std: "docker" "start" "-a" "7c7d4f32cfaf55c14aa7d3c9045a62af268d073325aa090556d5c8cf34fd4ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7d4f32cfaf55c14aa7d3c9045a62af268d073325aa090556d5c8cf34fd4ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7d4f32cfaf55c14aa7d3c9045a62af268d073325aa090556d5c8cf34fd4ba4", kill_on_drop: false }`
[INFO] [stdout] 7c7d4f32cfaf55c14aa7d3c9045a62af268d073325aa090556d5c8cf34fd4ba4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 227a0dccaef154a346c6d8ec4630ae9ffb0e1ff125b5b387416c83f4601eeaae
[INFO] running `Command { std: "docker" "start" "-a" "227a0dccaef154a346c6d8ec4630ae9ffb0e1ff125b5b387416c83f4601eeaae", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling numeric_literals v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling neat-gru v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.60s
[INFO] running `Command { std: "docker" "inspect" "227a0dccaef154a346c6d8ec4630ae9ffb0e1ff125b5b387416c83f4601eeaae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227a0dccaef154a346c6d8ec4630ae9ffb0e1ff125b5b387416c83f4601eeaae", kill_on_drop: false }`
[INFO] [stdout] 227a0dccaef154a346c6d8ec4630ae9ffb0e1ff125b5b387416c83f4601eeaae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3686d5fd1a8a4eccc666fb794936ff33234949e244cbc20f0736e20988c0f11
[INFO] running `Command { std: "docker" "start" "-a" "e3686d5fd1a8a4eccc666fb794936ff33234949e244cbc20f0736e20988c0f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling neat-gru v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.41s
[INFO] running `Command { std: "docker" "inspect" "e3686d5fd1a8a4eccc666fb794936ff33234949e244cbc20f0736e20988c0f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3686d5fd1a8a4eccc666fb794936ff33234949e244cbc20f0736e20988c0f11", kill_on_drop: false }`
[INFO] [stdout] e3686d5fd1a8a4eccc666fb794936ff33234949e244cbc20f0736e20988c0f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 639844ccc7077e8b188646d36f21f61b1e4b69929c7d6c8372a50131c6083e21
[INFO] running `Command { std: "docker" "start" "-a" "639844ccc7077e8b188646d36f21f61b1e4b69929c7d6c8372a50131c6083e21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neat_gru-bcce5aad65fcd69b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_import_network ... ok
[INFO] [stdout] test tests::test_train ... ok
[INFO] [stdout] test tests::test_train_memory ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neat-gru
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/train/train.rs - train::train::Train::new (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "639844ccc7077e8b188646d36f21f61b1e4b69929c7d6c8372a50131c6083e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639844ccc7077e8b188646d36f21f61b1e4b69929c7d6c8372a50131c6083e21", kill_on_drop: false }`
[INFO] [stdout] 639844ccc7077e8b188646d36f21f61b1e4b69929c7d6c8372a50131c6083e21