[INFO] fetching crate neat-gru 1.0.0...
[INFO] testing neat-gru-1.0.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate neat-gru 1.0.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate neat-gru 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neat-gru 1.0.0
[INFO] finished tweaking crates.io crate neat-gru 1.0.0
[INFO] tweaked toml for crates.io crate neat-gru 1.0.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate crates.io crate neat-gru 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 numeric_literals v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58440fb8399fbf1a4c962aefd56adb74c5d01eb4067eafdeaf42edddc2933cef
[INFO] running `Command { std: "docker" "start" "-a" "58440fb8399fbf1a4c962aefd56adb74c5d01eb4067eafdeaf42edddc2933cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58440fb8399fbf1a4c962aefd56adb74c5d01eb4067eafdeaf42edddc2933cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58440fb8399fbf1a4c962aefd56adb74c5d01eb4067eafdeaf42edddc2933cef", kill_on_drop: false }`
[INFO] [stdout] 58440fb8399fbf1a4c962aefd56adb74c5d01eb4067eafdeaf42edddc2933cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaf2ed0d6dd31b0e35721ac1d00a1cc411013ac149961daa08cf4184ae8919e4
[INFO] running `Command { std: "docker" "start" "-a" "eaf2ed0d6dd31b0e35721ac1d00a1cc411013ac149961daa08cf4184ae8919e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling numeric_literals v0.2.0
[INFO] [stderr]    Compiling neat-gru v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.47s
[INFO] running `Command { std: "docker" "inspect" "eaf2ed0d6dd31b0e35721ac1d00a1cc411013ac149961daa08cf4184ae8919e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf2ed0d6dd31b0e35721ac1d00a1cc411013ac149961daa08cf4184ae8919e4", kill_on_drop: false }`
[INFO] [stdout] eaf2ed0d6dd31b0e35721ac1d00a1cc411013ac149961daa08cf4184ae8919e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af8a3bc365846b70ed9ecb42bc70f36cd47e693c2b045d898b549d21fde4f7ed
[INFO] running `Command { std: "docker" "start" "-a" "af8a3bc365846b70ed9ecb42bc70f36cd47e693c2b045d898b549d21fde4f7ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling neat-gru v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.49s
[INFO] running `Command { std: "docker" "inspect" "af8a3bc365846b70ed9ecb42bc70f36cd47e693c2b045d898b549d21fde4f7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8a3bc365846b70ed9ecb42bc70f36cd47e693c2b045d898b549d21fde4f7ed", kill_on_drop: false }`
[INFO] [stdout] af8a3bc365846b70ed9ecb42bc70f36cd47e693c2b045d898b549d21fde4f7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19f066bf292bd817da00bb3ddd30e249fdfb0c8a9d1de1021d32db4bdfa16d31
[INFO] running `Command { std: "docker" "start" "-a" "19f066bf292bd817da00bb3ddd30e249fdfb0c8a9d1de1021d32db4bdfa16d31", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neat_gru-26424a4f5a18c47f)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_clone_network ... ok
[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. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.03s
[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 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19f066bf292bd817da00bb3ddd30e249fdfb0c8a9d1de1021d32db4bdfa16d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f066bf292bd817da00bb3ddd30e249fdfb0c8a9d1de1021d32db4bdfa16d31", kill_on_drop: false }`
[INFO] [stdout] 19f066bf292bd817da00bb3ddd30e249fdfb0c8a9d1de1021d32db4bdfa16d31