[INFO] fetching crate bfc 1.9.0...
[INFO] testing bfc-1.9.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bfc 1.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bfc 1.9.0 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 bfc 1.9.0
[INFO] finished tweaking crates.io crate bfc 1.9.0
[INFO] tweaked toml for crates.io crate bfc 1.9.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate bfc 1.9.0 already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3092b47e0b017dec98d94a6e69f38bc475cd9445354d02a9f7975e778583fda3
[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" "3092b47e0b017dec98d94a6e69f38bc475cd9445354d02a9f7975e778583fda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3092b47e0b017dec98d94a6e69f38bc475cd9445354d02a9f7975e778583fda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3092b47e0b017dec98d94a6e69f38bc475cd9445354d02a9f7975e778583fda3", kill_on_drop: false }`
[INFO] [stdout] 3092b47e0b017dec98d94a6e69f38bc475cd9445354d02a9f7975e778583fda3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 40d03a05985921e22449ae28334819e48d117d729806a89a99e7b94b4b107805
[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" "40d03a05985921e22449ae28334819e48d117d729806a89a99e7b94b4b107805", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling llvm-sys v100.2.0
[INFO] [stderr]    Compiling bfc v1.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.60s
[INFO] running `Command { std: "docker" "inspect" "40d03a05985921e22449ae28334819e48d117d729806a89a99e7b94b4b107805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d03a05985921e22449ae28334819e48d117d729806a89a99e7b94b4b107805", kill_on_drop: false }`
[INFO] [stdout] 40d03a05985921e22449ae28334819e48d117d729806a89a99e7b94b4b107805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2ad9c09618c084c5a69e97bcdc3d0491e957a3dd3bc10391bb3cec001de5fe60
[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" "2ad9c09618c084c5a69e97bcdc3d0491e957a3dd3bc10391bb3cec001de5fe60", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling bfc v1.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "2ad9c09618c084c5a69e97bcdc3d0491e957a3dd3bc10391bb3cec001de5fe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad9c09618c084c5a69e97bcdc3d0491e957a3dd3bc10391bb3cec001de5fe60", kill_on_drop: false }`
[INFO] [stdout] 2ad9c09618c084c5a69e97bcdc3d0491e957a3dd3bc10391bb3cec001de5fe60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8d4a036bb647888ddb5577d4c6a6dfb9ce9a356cd2a8891646e486042b77fdf4
[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" "8d4a036bb647888ddb5577d4c6a6dfb9ce9a356cd2a8891646e486042b77fdf4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 158 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfc-2db411521372f7e4
[INFO] [stdout] test bfir::parse_comment ... ok
[INFO] [stdout] test bfir::parse_decrement ... ok
[INFO] [stdout] test bfir::parse_complex_loop ... ok
[INFO] [stdout] test bfir::parse_empty_loop ... ok
[INFO] [stdout] test bfir::parse_increment ... ok
[INFO] [stdout] test bfir::test_combine_pos ... ok
[INFO] [stdout] test bfir::test_combine_pos_overlap ... ok
[INFO] [stdout] test bounds::multiple_ptr_increment_bounds ... ok
[INFO] [stdout] test bounds::loop_with_no_net_movement ... ok
[INFO] [stdout] test bounds::multiply_move_bounds_are_relative ... ok
[INFO] [stdout] test bounds::multiply_move_backwards_bounds ... ok
[INFO] [stdout] test bounds::multiply_move_bounds ... ok
[INFO] [stdout] test bounds::one_cell_bounds ... ok
[INFO] [stdout] test bounds::ptr_increment_sequence_bounds ... ok
[INFO] [stdout] test bfir::parse_unbalanced_loop ... ok
[INFO] [stdout] test bounds::ptr_increment_bounds ... ok
[INFO] [stdout] test bfir::parse_read ... ok
[INFO] [stdout] test bfir::parse_write ... ok
[INFO] [stdout] test bfir::test_combine_order ... ok
[INFO] [stdout] test bfir::test_combine_pos_not_consecutive ... ok
[INFO] [stdout] test bounds::excessive_bounds_truncated ... ok
[INFO] [stdout] test bounds::increment_offset_bounds ... ok
[INFO] [stdout] test bfir::parse_pointer_increment ... ok
[INFO] [stdout] test bounds::set_offset_bounds ... ok
[INFO] [stdout] test execution::decrement_executed ... ok
[INFO] [stdout] test bfir::parse_pointer_decrement ... ok
[INFO] [stdout] test execution::cant_evaluate_inputs ... ok
[INFO] [stdout] test bfir::parse_simple_loop ... ok
[INFO] [stdout] test executable_name_relative_path ... ok
[INFO] [stdout] test executable_name_b ... ok
[INFO] [stdout] test executable_name_bf ... ok
[INFO] [stdout] test execution::increment_wraps ... ok
[INFO] [stdout] test bounds::unbounded_movement ... ok
[INFO] [stdout] test execution::limit_to_steps_specified ... ok
[INFO] [stdout] test execution::execute_read_with_dummy_value ... ok
[INFO] [stdout] test execution::multiply_move_wrapping ... ok
[INFO] [stdout] test execution::execute_read_with_dummy_value_nested_loop ... ok
[INFO] [stdout] test execution::increment_executed ... ok
[INFO] [stdout] test execution::multiply_move_executed ... ok
[INFO] [stdout] test execution::loop_with_read_body ... ok
[INFO] [stdout] test execution::loop_up_to_step_limit ... ok
[INFO] [stdout] test execution::multiply_move_offset_too_low ... ok
[INFO] [stdout] test execution::multiply_move_when_current_cell_is_zero ... ok
[INFO] [stdout] test execution::loop_executed ... ok
[INFO] [stdout] test execution::partially_execute_complete_toplevel_loop ... ok
[INFO] [stdout] test execution::ptr_increment_executed ... ok
[INFO] [stdout] test execution::partially_execute_up_to_step_limit ... ok
[INFO] [stdout] test execution::ptr_out_of_range ... ok
[INFO] [stdout] test execution::partially_execute_up_to_runtime_value ... ok
[INFO] [stdout] test execution::up_to_nonempty_infinite_loop ... ok
[INFO] [stdout] test execution::set_wraps ... ok
[INFO] [stdout] test execution::up_to_infinite_loop_executed ... ok
[INFO] [stdout] test execution::write_executed ... ok
[INFO] [stdout] test execution::set_executed ... ok
[INFO] [stdout] test llvm_tests::compile_static_outputs ... ok
[INFO] [stdout] test llvm_tests::compile_multiply_move ... ok
[INFO] [stdout] test llvm_tests::set_initial_cell_values ... ok
[INFO] [stdout] test llvm_tests::compile_empty_program ... ok
[INFO] [stdout] test peephole_tests::combine_before_read_not_consecutive ... ok
[INFO] [stdout] test llvm_tests::compile_ptr_increment ... ok
[INFO] [stdout] test llvm_tests::compile_set_with_offset ... ok
[INFO] [stdout] test llvm_tests::compile_write ... ok
[INFO] [stdout] test peephole_tests::combine_increment_sum_to_zero ... ok
[INFO] [stdout] test peephole_tests::combine_increments_flat ... ok
[INFO] [stdout] test llvm_tests::compile_start_instr_midway ... ok
[INFO] [stdout] test llvm_tests::compile_increment_with_offset ... ok
[INFO] [stdout] test peephole_tests::combine_set_and_increment_non_adjacent_instrs ... ok
[INFO] [stdout] test peephole_tests::combine_set_sum_to_zero ... ok
[INFO] [stdout] test peephole_tests::dont_combine_before_read_different_offset ... ok
[INFO] [stdout] test peephole_tests::combine_increments_nested ... ok
[INFO] [stdout] test peephole_tests::dont_simplify_multiple_decrement_loop ... ok
[INFO] [stdout] test peephole_tests::combine_increments_remove_redundant ... ok
[INFO] [stdout] test bounds::quickcheck_highest_cell_index_in_bounds ... ok
[INFO] [stdout] test peephole_tests::combine_increments_after_sort ... ok
[INFO] [stdout] test peephole_tests::combine_increments_non_adjacent_instrs ... ok
[INFO] [stdout] test peephole_tests::next_mutate_consider_pointer_increment ... ok
[INFO] [stdout] test peephole_tests::combine_increments_unrelated ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin bfc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/bfc-2db411521372f7e4` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "8d4a036bb647888ddb5577d4c6a6dfb9ce9a356cd2a8891646e486042b77fdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4a036bb647888ddb5577d4c6a6dfb9ce9a356cd2a8891646e486042b77fdf4", kill_on_drop: false }`
[INFO] [stdout] 8d4a036bb647888ddb5577d4c6a6dfb9ce9a356cd2a8891646e486042b77fdf4