[INFO] fetching crate lbfgs 0.2.1...
[INFO] testing lbfgs-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lbfgs 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lbfgs 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lbfgs 0.2.1
[INFO] finished tweaking crates.io crate lbfgs 0.2.1
[INFO] tweaked toml for crates.io crate lbfgs 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d91ae323f8c4e65c971c57126759e3aa6d468a50dc67055d9e11caf6691c69ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d91ae323f8c4e65c971c57126759e3aa6d468a50dc67055d9e11caf6691c69ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d91ae323f8c4e65c971c57126759e3aa6d468a50dc67055d9e11caf6691c69ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91ae323f8c4e65c971c57126759e3aa6d468a50dc67055d9e11caf6691c69ac", kill_on_drop: false }`
[INFO] [stdout] d91ae323f8c4e65c971c57126759e3aa6d468a50dc67055d9e11caf6691c69ac
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ec8b59484bf8e3f9f53d52239fd786300ad59ab7922d48ebb86e506ce26baa7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ec8b59484bf8e3f9f53d52239fd786300ad59ab7922d48ebb86e506ce26baa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lbfgs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4ec8b59484bf8e3f9f53d52239fd786300ad59ab7922d48ebb86e506ce26baa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec8b59484bf8e3f9f53d52239fd786300ad59ab7922d48ebb86e506ce26baa7", kill_on_drop: false }`
[INFO] [stdout] 4ec8b59484bf8e3f9f53d52239fd786300ad59ab7922d48ebb86e506ce26baa7
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 695397fe2a75f7e1bd11c1617efeae27515d156eb6e68fd74088f0a057e312eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "695397fe2a75f7e1bd11c1617efeae27515d156eb6e68fd74088f0a057e312eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling unit_test_utils v0.1.3
[INFO] [stderr]    Compiling lbfgs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "695397fe2a75f7e1bd11c1617efeae27515d156eb6e68fd74088f0a057e312eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695397fe2a75f7e1bd11c1617efeae27515d156eb6e68fd74088f0a057e312eb", kill_on_drop: false }`
[INFO] [stdout] 695397fe2a75f7e1bd11c1617efeae27515d156eb6e68fd74088f0a057e312eb
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf79d74e080a7398387c6bfb48299db3b3dda2b7f3d4ad2350e7c0d8db045443
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf79d74e080a7398387c6bfb48299db3b3dda2b7f3d4ad2350e7c0d8db045443", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lbfgs-1ae2666454aedee5
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test tests::correctneess_buff_1 ... ok
[INFO] [stdout] test tests::correctneess_buff_empty ... ok
[INFO] [stdout] test tests::correctneess_buff_2 ... ok
[INFO] [stdout] test tests::lbfgs_apply_finite ... ok
[INFO] [stdout] test tests::correctneess_buff_overfull ... ok
[INFO] [stdout] test tests::correctneess_reset ... ok
[INFO] [stdout] test tests::lbfgs_buffer_storage ... ok
[INFO] [stdout] test vec_ops::tests::inner_product_test ... ok
[INFO] [stdout] test vec_ops::tests::inplace_vec_add_test ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test ... ok
[INFO] [stdout] test vec_ops::tests::norm1_test ... ok
[INFO] [stdout] test vec_ops::tests::norm2_sq_test ... ok
[INFO] [stdout] test vec_ops::tests::norm2_test ... ok
[INFO] [stdout] test vec_ops::tests::scalar_vector_test ... ok
[INFO] [stdout] test vec_ops::tests::norm_inf_test ... ok
[INFO] [stdout] test tests::lbfgs_panic_cbfgs_alpha ... ok
[INFO] [stdout] test tests::reject_cfbs_condition ... ok
[INFO] [stdout] test vec_ops::tests::inner_product_test_panic ... ok
[INFO] [stdout] test vec_ops::tests::inplace_vec_add_panic ... ok
[INFO] [stdout] test tests::reject_norm_s_zero ... ok
[INFO] [stdout] test tests::lbfgs_panic_apply_size_grad ... ok
[INFO] [stdout] test tests::reject_perpendicular_sy ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test_panic3 ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test_panic1 ... ok
[INFO] [stdout] test vec_ops::tests::diff_and_save_test_panic2 ... ok
[INFO] [stdout] test tests::lbfgs_panic_cbfgs_epsilon ... ok
[INFO] [stdout] test tests::lbfgs_panic_apply_state ... ok
[INFO] [stdout] test tests::lbfgs_panic_zero_mem ... ok
[INFO] [stdout] test tests::lbfgs_panic_zero_n ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lbfgs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf79d74e080a7398387c6bfb48299db3b3dda2b7f3d4ad2350e7c0d8db045443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf79d74e080a7398387c6bfb48299db3b3dda2b7f3d4ad2350e7c0d8db045443", kill_on_drop: false }`
[INFO] [stdout] cf79d74e080a7398387c6bfb48299db3b3dda2b7f3d4ad2350e7c0d8db045443