[INFO] cloning repository https://github.com/bananaisnotafruit/nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bananaisnotafruit/nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananaisnotafruit%2Fnn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananaisnotafruit%2Fnn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a7127101dbc23deaff427c515e7d7f260cd227f
[INFO] testing bananaisnotafruit/nn against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananaisnotafruit%2Fnn" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bananaisnotafruit/nn 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 git repo https://github.com/bananaisnotafruit/nn
[INFO] finished tweaking git repo https://github.com/bananaisnotafruit/nn
[INFO] tweaked toml for git repo https://github.com/bananaisnotafruit/nn written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/bananaisnotafruit/nn 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] 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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a69f36c280508ba85a5950345304aa1b3eb94f58a8989e4a80c4571f7216ee5
[INFO] running `Command { std: "docker" "start" "-a" "7a69f36c280508ba85a5950345304aa1b3eb94f58a8989e4a80c4571f7216ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a69f36c280508ba85a5950345304aa1b3eb94f58a8989e4a80c4571f7216ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a69f36c280508ba85a5950345304aa1b3eb94f58a8989e4a80c4571f7216ee5", kill_on_drop: false }`
[INFO] [stdout] 7a69f36c280508ba85a5950345304aa1b3eb94f58a8989e4a80c4571f7216ee5
[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=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] b566fc751e66e7086b25dcca2e8dd4c2a85ad82d68e0157973bc4fb492d4b521
[INFO] running `Command { std: "docker" "start" "-a" "b566fc751e66e7086b25dcca2e8dd4c2a85ad82d68e0157973bc4fb492d4b521", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[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 NN v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neural_network_lib.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let mut inp = input_matrix.copy();
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 6.86s
[INFO] running `Command { std: "docker" "inspect" "b566fc751e66e7086b25dcca2e8dd4c2a85ad82d68e0157973bc4fb492d4b521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b566fc751e66e7086b25dcca2e8dd4c2a85ad82d68e0157973bc4fb492d4b521", kill_on_drop: false }`
[INFO] [stdout] b566fc751e66e7086b25dcca2e8dd4c2a85ad82d68e0157973bc4fb492d4b521
[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=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] c3f3266b538244f076b81c28f5ab09d717d25072fd63a87dca3a71b2a9cc2e0d
[INFO] running `Command { std: "docker" "start" "-a" "c3f3266b538244f076b81c28f5ab09d717d25072fd63a87dca3a71b2a9cc2e0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling NN v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/neural_network_lib.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |             let mut inp = input_matrix.copy();
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c3f3266b538244f076b81c28f5ab09d717d25072fd63a87dca3a71b2a9cc2e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f3266b538244f076b81c28f5ab09d717d25072fd63a87dca3a71b2a9cc2e0d", kill_on_drop: false }`
[INFO] [stdout] c3f3266b538244f076b81c28f5ab09d717d25072fd63a87dca3a71b2a9cc2e0d
[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=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] 20ca69ac777a7ff45de2db8dbd8db722a4747dee6819e7e244ebb3398400369c
[INFO] running `Command { std: "docker" "start" "-a" "20ca69ac777a7ff45de2db8dbd8db722a4747dee6819e7e244ebb3398400369c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/neural_network_lib.rs:206:17
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 206 |             let mut inp = input_matrix.copy();
[INFO] [stdout] 
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `NN` (bin "NN" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/NN-7bc9815b36c75607)
[INFO] running `Command { std: "docker" "inspect" "20ca69ac777a7ff45de2db8dbd8db722a4747dee6819e7e244ebb3398400369c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ca69ac777a7ff45de2db8dbd8db722a4747dee6819e7e244ebb3398400369c", kill_on_drop: false }`
[INFO] [stdout] 20ca69ac777a7ff45de2db8dbd8db722a4747dee6819e7e244ebb3398400369c