[INFO] fetching crate favannat 0.6.4...
[INFO] testing favannat-0.6.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate favannat 0.6.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate favannat 0.6.4
[INFO] finished tweaking crates.io crate favannat 0.6.4
[INFO] tweaked toml for crates.io crate favannat 0.6.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate favannat 0.6.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.32.6 (available: v0.34.1)
[INFO] [stderr]       Adding nalgebra-sparse v0.9.0 (available: v0.11.0)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra-sparse v0.9.0
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a3ffdcf904a0cf1baa13c7a0206ab1ad07af27e6864a3aeac8e8b3f235b77e8
[INFO] running `Command { std: "docker" "start" "-a" "2a3ffdcf904a0cf1baa13c7a0206ab1ad07af27e6864a3aeac8e8b3f235b77e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a3ffdcf904a0cf1baa13c7a0206ab1ad07af27e6864a3aeac8e8b3f235b77e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3ffdcf904a0cf1baa13c7a0206ab1ad07af27e6864a3aeac8e8b3f235b77e8", kill_on_drop: false }`
[INFO] [stdout] 2a3ffdcf904a0cf1baa13c7a0206ab1ad07af27e6864a3aeac8e8b3f235b77e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56368f86a529328f387efebc0313e1174c65b36420517406de23af6c121f52f1
[INFO] running `Command { std: "docker" "start" "-a" "56368f86a529328f387efebc0313e1174c65b36420517406de23af6c121f52f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling nalgebra v0.32.6
[INFO] [stderr]    Compiling nalgebra-sparse v0.9.0
[INFO] [stderr]    Compiling favannat v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.56s
[INFO] running `Command { std: "docker" "inspect" "56368f86a529328f387efebc0313e1174c65b36420517406de23af6c121f52f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56368f86a529328f387efebc0313e1174c65b36420517406de23af6c121f52f1", kill_on_drop: false }`
[INFO] [stdout] 56368f86a529328f387efebc0313e1174c65b36420517406de23af6c121f52f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb982653468459b2d6da09485e8e52b96a5ec4e333eb99047a356db8d79e1d7a
[INFO] running `Command { std: "docker" "start" "-a" "eb982653468459b2d6da09485e8e52b96a5ec4e333eb99047a356db8d79e1d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling favannat v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "eb982653468459b2d6da09485e8e52b96a5ec4e333eb99047a356db8d79e1d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb982653468459b2d6da09485e8e52b96a5ec4e333eb99047a356db8d79e1d7a", kill_on_drop: false }`
[INFO] [stdout] eb982653468459b2d6da09485e8e52b96a5ec4e333eb99047a356db8d79e1d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8be5c6c48a527ec8e35e89100e81b53efc549e91b1de2ca3f465d78fc82a7b4d
[INFO] running `Command { std: "docker" "start" "-a" "8be5c6c48a527ec8e35e89100e81b53efc549e91b1de2ca3f465d78fc82a7b4d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/favannat-50e1bd57b94125f0)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test matrix::feedforward::fabricator::tests::reports_error_on_empty_edges ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::reports_error_on_unresolvable_dependency ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::simple_net_evaluator_0 ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::simple_net_evaluator_2 ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::reports_error_on_missing_edges_to_output ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::simple_net_evaluator_4 ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::simple_net_evaluator_5 ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::simple_net_evaluator_9 ... ok
[INFO] [stdout] test matrix::recurrent::fabricator::tests::stateful_net_evaluator_0 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_2 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_3 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_0 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_1 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_4 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_5 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_6 ... ok
[INFO] [stdout] test sparse_matrix::recurrent::fabricator::tests::computes_without_recurrent_edges ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_8 ... ok
[INFO] [stdout] test sparse_matrix::recurrent::fabricator::tests::stateful_net_evaluator_0 ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_9 ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::simple_net_evaluator_3 ... ok
[INFO] [stdout] test sparse_matrix::recurrent::fabricator::tests::stateful_net_evaluator_not_all_inputs_connected ... ok
[INFO] [stdout] test matrix::feedforward::fabricator::tests::simple_net_evaluator_1 ... ok
[INFO] [stdout] test sparse_matrix::recurrent::fabricator::tests::stateful_net_evaluator_not_all_inputs_connected_with_hidden_node ... ok
[INFO] [stdout] test matrix::recurrent::fabricator::tests::computes_without_recurrent_edges ... ok
[INFO] [stdout] test sparse_matrix::recurrent::fabricator::tests::stateful_net_evaluator_self_recurrence ... ok
[INFO] [stdout] test sparse_matrix::recurrent::fabricator::tests::stateful_net_evaluator_two_hidden_nodes ... ok
[INFO] [stdout] test sparse_matrix::recurrent::fabricator::tests::stateful_net_evaluator_with_hidden_node ... ok
[INFO] [stdout] test sparse_matrix::feedforward::fabricator::tests::simple_net_evaluator_7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests favannat
[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" "8be5c6c48a527ec8e35e89100e81b53efc549e91b1de2ca3f465d78fc82a7b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be5c6c48a527ec8e35e89100e81b53efc549e91b1de2ca3f465d78fc82a7b4d", kill_on_drop: false }`
[INFO] [stdout] 8be5c6c48a527ec8e35e89100e81b53efc549e91b1de2ca3f465d78fc82a7b4d