[INFO] fetching crate neuralnetwork 0.1.1...
[INFO] testing neuralnetwork-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate neuralnetwork 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate neuralnetwork 0.1.1 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 neuralnetwork 0.1.1
[INFO] finished tweaking crates.io crate neuralnetwork 0.1.1
[INFO] tweaked toml for crates.io crate neuralnetwork 0.1.1 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 716ebc1c43fa3cf99fef8f00aa79acb855a75c2747407bd8c587fd1badc7326b
[INFO] running `Command { std: "docker" "start" "-a" "716ebc1c43fa3cf99fef8f00aa79acb855a75c2747407bd8c587fd1badc7326b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "716ebc1c43fa3cf99fef8f00aa79acb855a75c2747407bd8c587fd1badc7326b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716ebc1c43fa3cf99fef8f00aa79acb855a75c2747407bd8c587fd1badc7326b", kill_on_drop: false }`
[INFO] [stdout] 716ebc1c43fa3cf99fef8f00aa79acb855a75c2747407bd8c587fd1badc7326b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 34d339bbbe4959353b23f98349ffc3ba5a000d47f3fbbac44df6a577322ada3d
[INFO] running `Command { std: "docker" "start" "-a" "34d339bbbe4959353b23f98349ffc3ba5a000d47f3fbbac44df6a577322ada3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling neuralnetwork v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/neuralnetwork.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             &file.read_exact(&mut buffer).ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/neuralnetwork.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             &file.read_exact(&mut buffer).ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "34d339bbbe4959353b23f98349ffc3ba5a000d47f3fbbac44df6a577322ada3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d339bbbe4959353b23f98349ffc3ba5a000d47f3fbbac44df6a577322ada3d", kill_on_drop: false }`
[INFO] [stdout] 34d339bbbe4959353b23f98349ffc3ba5a000d47f3fbbac44df6a577322ada3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6244c7f0edbdacbbaa954e7ae4a2832676178ad66be72ded0f0fa40c81272e07
[INFO] running `Command { std: "docker" "start" "-a" "6244c7f0edbdacbbaa954e7ae4a2832676178ad66be72ded0f0fa40c81272e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling neuralnetwork v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/neuralnetwork.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             &file.read_exact(&mut buffer).ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/neuralnetwork.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             &file.read_exact(&mut buffer).ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/neuralnetwork.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             &file.read_exact(&mut buffer).ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/neuralnetwork.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |             &file.read_exact(&mut buffer).ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "6244c7f0edbdacbbaa954e7ae4a2832676178ad66be72ded0f0fa40c81272e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6244c7f0edbdacbbaa954e7ae4a2832676178ad66be72ded0f0fa40c81272e07", kill_on_drop: false }`
[INFO] [stdout] 6244c7f0edbdacbbaa954e7ae4a2832676178ad66be72ded0f0fa40c81272e07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1a2349d4900edb1032842f9e33a2b10abaf9ab9b47fd621b8def5c02b45f12e4
[INFO] running `Command { std: "docker" "start" "-a" "1a2349d4900edb1032842f9e33a2b10abaf9ab9b47fd621b8def5c02b45f12e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/neuralnetwork.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |             &file.read_exact(&mut buffer).ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/neuralnetwork.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             &file.read_exact(&mut buffer).ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/neuralnetwork.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |             &file.read_exact(&mut buffer).ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/neuralnetwork.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |             &file.read_exact(&mut buffer).ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neuralnetwork-a0de79118d387ea1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests neuralnetwork
[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" "1a2349d4900edb1032842f9e33a2b10abaf9ab9b47fd621b8def5c02b45f12e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2349d4900edb1032842f9e33a2b10abaf9ab9b47fd621b8def5c02b45f12e4", kill_on_drop: false }`
[INFO] [stdout] 1a2349d4900edb1032842f9e33a2b10abaf9ab9b47fd621b8def5c02b45f12e4