[INFO] cloning repository https://github.com/Nanu00/multilayer-perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nanu00/multilayer-perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanu00%2Fmultilayer-perceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanu00%2Fmultilayer-perceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b64a610bb09da86453828c5dea1939d6fea031de
[INFO] testing Nanu00/multilayer-perceptron against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanu00%2Fmultilayer-perceptron" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nanu00/multilayer-perceptron 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/Nanu00/multilayer-perceptron
[INFO] finished tweaking git repo https://github.com/Nanu00/multilayer-perceptron
[INFO] tweaked toml for git repo https://github.com/Nanu00/multilayer-perceptron written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nanu00/multilayer-perceptron 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 22ba95917979872032353c9e4c183646d2743c02425c64e63ca1d5a5df8a3be6
[INFO] running `Command { std: "docker" "start" "-a" "22ba95917979872032353c9e4c183646d2743c02425c64e63ca1d5a5df8a3be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ba95917979872032353c9e4c183646d2743c02425c64e63ca1d5a5df8a3be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ba95917979872032353c9e4c183646d2743c02425c64e63ca1d5a5df8a3be6", kill_on_drop: false }`
[INFO] [stdout] 22ba95917979872032353c9e4c183646d2743c02425c64e63ca1d5a5df8a3be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b38b866504c808bdbc7194954567dff237c3a945976b39fd703a0c526c6a8938
[INFO] running `Command { std: "docker" "start" "-a" "b38b866504c808bdbc7194954567dff237c3a945976b39fd703a0c526c6a8938", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling digitnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let z = &n.value;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_z`
[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 1m 00s
[INFO] running `Command { std: "docker" "inspect" "b38b866504c808bdbc7194954567dff237c3a945976b39fd703a0c526c6a8938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38b866504c808bdbc7194954567dff237c3a945976b39fd703a0c526c6a8938", kill_on_drop: false }`
[INFO] [stdout] b38b866504c808bdbc7194954567dff237c3a945976b39fd703a0c526c6a8938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7c02db48267ca4caedecf86688622ac07f58eb3253eaccc5763166faac71e1b4
[INFO] running `Command { std: "docker" "start" "-a" "7c02db48267ca4caedecf86688622ac07f58eb3253eaccc5763166faac71e1b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let z = &n.value;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling digitnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/lib.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let z = &n.value;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_z`
[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 test [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "7c02db48267ca4caedecf86688622ac07f58eb3253eaccc5763166faac71e1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c02db48267ca4caedecf86688622ac07f58eb3253eaccc5763166faac71e1b4", kill_on_drop: false }`
[INFO] [stdout] 7c02db48267ca4caedecf86688622ac07f58eb3253eaccc5763166faac71e1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d35f842fd28a566ca49d00417f0b58a99501a698698c0ee5e94daea33f920035
[INFO] running `Command { std: "docker" "start" "-a" "d35f842fd28a566ca49d00417f0b58a99501a698698c0ee5e94daea33f920035", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]    --> src/lib.rs:151:21
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 let z = &n.value;
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `digitnn` (lib) generated 1 warning
[INFO] [stderr] warning: `digitnn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/digitnn-6c9e3b172ab1ad06)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/digitnn-3bac37161c07e3d7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests digitnn
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d35f842fd28a566ca49d00417f0b58a99501a698698c0ee5e94daea33f920035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35f842fd28a566ca49d00417f0b58a99501a698698c0ee5e94daea33f920035", kill_on_drop: false }`
[INFO] [stdout] d35f842fd28a566ca49d00417f0b58a99501a698698c0ee5e94daea33f920035