[INFO] fetching crate native_neural_network 0.3.1...
[INFO] testing native_neural_network-0.3.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate native_neural_network 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate native_neural_network 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate native_neural_network 0.3.1
[INFO] tweaked toml for crates.io crate native_neural_network 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate native_neural_network 0.3.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate native_neural_network 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d62bfa7166021e07bc01a58533c7bcf3a2e930e3d4f7201052d0af21da9bd374
[INFO] running `Command { std: "docker" "start" "-a" "d62bfa7166021e07bc01a58533c7bcf3a2e930e3d4f7201052d0af21da9bd374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d62bfa7166021e07bc01a58533c7bcf3a2e930e3d4f7201052d0af21da9bd374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62bfa7166021e07bc01a58533c7bcf3a2e930e3d4f7201052d0af21da9bd374", kill_on_drop: false }`
[INFO] [stdout] d62bfa7166021e07bc01a58533c7bcf3a2e930e3d4f7201052d0af21da9bd374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23fa268655cee8cf8b21330b6428bc391372949ffb7e98332e1a3a0e4910e8e4
[INFO] running `Command { std: "docker" "start" "-a" "23fa268655cee8cf8b21330b6428bc391372949ffb7e98332e1a3a0e4910e8e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling native_neural_network v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "23fa268655cee8cf8b21330b6428bc391372949ffb7e98332e1a3a0e4910e8e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fa268655cee8cf8b21330b6428bc391372949ffb7e98332e1a3a0e4910e8e4", kill_on_drop: false }`
[INFO] [stdout] 23fa268655cee8cf8b21330b6428bc391372949ffb7e98332e1a3a0e4910e8e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2108618b9d7ba4aac26260aafd740d36f64255ea89bf0e31bcceabe162522819
[INFO] running `Command { std: "docker" "start" "-a" "2108618b9d7ba4aac26260aafd740d36f64255ea89bf0e31bcceabe162522819", kill_on_drop: false }`
[INFO] [stderr]    Compiling native_neural_network v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "2108618b9d7ba4aac26260aafd740d36f64255ea89bf0e31bcceabe162522819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2108618b9d7ba4aac26260aafd740d36f64255ea89bf0e31bcceabe162522819", kill_on_drop: false }`
[INFO] [stdout] 2108618b9d7ba4aac26260aafd740d36f64255ea89bf0e31bcceabe162522819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b94fddb128f122cf1190083bab1769aa3a39d3f0cff007788b8f7c2f2b672230
[INFO] running `Command { std: "docker" "start" "-a" "b94fddb128f122cf1190083bab1769aa3a39d3f0cff007788b8f7c2f2b672230", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests training/enormous__model.rs (/opt/rustwide/target/debug/deps/train_enormous_model-4e3950276e2b907e)
[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 training/large_model.rs (/opt/rustwide/target/debug/deps/train_large_model-ca185e13bb9f0063)
[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 training/medium_model.rs (/opt/rustwide/target/debug/deps/train_medium_model-aba3ef92bcd7d60a)
[INFO] [stderr]      Running unittests training/small_model.rs (/opt/rustwide/target/debug/deps/train_small_model-5bb6d0919737e5e3)
[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] [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" "b94fddb128f122cf1190083bab1769aa3a39d3f0cff007788b8f7c2f2b672230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94fddb128f122cf1190083bab1769aa3a39d3f0cff007788b8f7c2f2b672230", kill_on_drop: false }`
[INFO] [stdout] b94fddb128f122cf1190083bab1769aa3a39d3f0cff007788b8f7c2f2b672230