[INFO] fetching crate easyneural 0.1.0...
[INFO] checking easyneural-0.1.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate easyneural 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate easyneural 0.1.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easyneural 0.1.0
[INFO] finished tweaking crates.io crate easyneural 0.1.0
[INFO] tweaked toml for crates.io crate easyneural 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e0431c3c983568b86f37410f2aa19b8cc91843065c84deb30b256f2626adcc7
[INFO] running `Command { std: "docker" "start" "-a" "4e0431c3c983568b86f37410f2aa19b8cc91843065c84deb30b256f2626adcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0431c3c983568b86f37410f2aa19b8cc91843065c84deb30b256f2626adcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0431c3c983568b86f37410f2aa19b8cc91843065c84deb30b256f2626adcc7", kill_on_drop: false }`
[INFO] [stdout] 4e0431c3c983568b86f37410f2aa19b8cc91843065c84deb30b256f2626adcc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 922563afe8609ffca34cb2bd52d6c891461c81f901e6bac0914ea2d7a96d8448
[INFO] running `Command { std: "docker" "start" "-a" "922563afe8609ffca34cb2bd52d6c891461c81f901e6bac0914ea2d7a96d8448", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking if_chain v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking serde v1.0.163
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking easyneural v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parents`
[INFO] [stdout]   --> tests/integration_tests.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |         if let Ok(parents) = session.run(Finish::Occurences(SIMULATION_ROUNDS));
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parents`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "922563afe8609ffca34cb2bd52d6c891461c81f901e6bac0914ea2d7a96d8448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922563afe8609ffca34cb2bd52d6c891461c81f901e6bac0914ea2d7a96d8448", kill_on_drop: false }`
[INFO] [stdout] 922563afe8609ffca34cb2bd52d6c891461c81f901e6bac0914ea2d7a96d8448
