[INFO] fetching crate sparse_complex 0.1.2...
[INFO] testing sparse_complex-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sparse_complex 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sparse_complex 0.1.2 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 crates.io crate sparse_complex 0.1.2
[INFO] finished tweaking crates.io crate sparse_complex 0.1.2
[INFO] tweaked toml for crates.io crate sparse_complex 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1214e8dc6024ffee91c700b62f4146784b85d40063f0c9d807b07f4fbda6d19b
[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" "1214e8dc6024ffee91c700b62f4146784b85d40063f0c9d807b07f4fbda6d19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1214e8dc6024ffee91c700b62f4146784b85d40063f0c9d807b07f4fbda6d19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1214e8dc6024ffee91c700b62f4146784b85d40063f0c9d807b07f4fbda6d19b", kill_on_drop: false }`
[INFO] [stdout] 1214e8dc6024ffee91c700b62f4146784b85d40063f0c9d807b07f4fbda6d19b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5b8d5f888eb6a5db33f1f966eb3a5e6300431bd6cc39109c656de127cdfedf1
[INFO] running `Command { std: "docker" "start" "-a" "b5b8d5f888eb6a5db33f1f966eb3a5e6300431bd6cc39109c656de127cdfedf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparse21 v0.2.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling sparse_complex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "b5b8d5f888eb6a5db33f1f966eb3a5e6300431bd6cc39109c656de127cdfedf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b8d5f888eb6a5db33f1f966eb3a5e6300431bd6cc39109c656de127cdfedf1", kill_on_drop: false }`
[INFO] [stdout] b5b8d5f888eb6a5db33f1f966eb3a5e6300431bd6cc39109c656de127cdfedf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bde0ff2806531527c4faa0d4c8fca322a08fdfd4043787ddd3bb609872a3651
[INFO] running `Command { std: "docker" "start" "-a" "3bde0ff2806531527c4faa0d4c8fca322a08fdfd4043787ddd3bb609872a3651", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparse_complex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "3bde0ff2806531527c4faa0d4c8fca322a08fdfd4043787ddd3bb609872a3651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bde0ff2806531527c4faa0d4c8fca322a08fdfd4043787ddd3bb609872a3651", kill_on_drop: false }`
[INFO] [stdout] 3bde0ff2806531527c4faa0d4c8fca322a08fdfd4043787ddd3bb609872a3651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d70ac8f5b2f990a04f36231e833cf452bd529ec4fa4749dc3ecc21cb4a1eb42
[INFO] running `Command { std: "docker" "start" "-a" "5d70ac8f5b2f990a04f36231e833cf452bd529ec4fa4749dc3ecc21cb4a1eb42", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sparse_complex-2af8ca2fab2782b4)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests_simple_matrix::test_add_element ... ok
[INFO] [stdout] test tests_std_traits::test_debug ... ok
[INFO] [stdout] test tests_simple_matrix::test_add_elements ... ok
[INFO] [stdout] test tests_simple_matrix::test_solve ... ok
[INFO] [stdout] test tools::tests::test_primitive_to_complex ... ok
[INFO] [stdout] test tools::tests::test_primitive_to_complex_err ... ok
[INFO] [stdout] test tests_std_traits::test_partial_eq ... ok
[INFO] [stdout] test tools::tests::test_complex_to_primitive ... ok
[INFO] [stdout] test tests_std_traits::test_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_138_sparse_matrix.rs (/opt/rustwide/target/debug/deps/test_138_sparse_matrix-8fd4f90ad5a1e2ac)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/test_simple_matrix.rs (/opt/rustwide/target/debug/deps/test_simple_matrix-cdea413ffa9bc675)
[INFO] [stdout] test tests::test_138_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_b_imag_is_zero ... ok
[INFO] [stdout] test tests::test_b_real_is_zero ... ok
[INFO] [stdout] test tests::test_only_imag_simple_matrix ... ok
[INFO] [stdout] test tests::test_only_real_simple_matrix ... ok
[INFO] [stdout] test tests::test_full_simple_matrix ... ok
[INFO] [stdout] test tests::test_simple_matrix ... ok
[INFO] [stdout] test tests::test_part_real_part_imag_simple_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparse_complex
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - ComplexMatrix::new (line 81) ... ok
[INFO] [stdout] test src/lib.rs - ComplexMatrix::from_entries (line 95) ... ok
[INFO] [stdout] test src/lib.rs - ComplexMatrix::order (line 198) ... ok
[INFO] [stdout] test src/lib.rs - ComplexMatrix::solve (line 225) ... ok
[INFO] [stdout] test src/lib.rs - ComplexMatrix::get (line 175) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d70ac8f5b2f990a04f36231e833cf452bd529ec4fa4749dc3ecc21cb4a1eb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d70ac8f5b2f990a04f36231e833cf452bd529ec4fa4749dc3ecc21cb4a1eb42", kill_on_drop: false }`
[INFO] [stdout] 5d70ac8f5b2f990a04f36231e833cf452bd529ec4fa4749dc3ecc21cb4a1eb42