[INFO] cloning repository https://github.com/paulcacheux/bfc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paulcacheux/bfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulcacheux%2Fbfc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulcacheux%2Fbfc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5684d155b4c301e29a12eb243924316d04a4816f [INFO] testing paulcacheux/bfc against beta-2020-10-09 for beta-1.48-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaulcacheux%2Fbfc" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/paulcacheux/bfc on toolchain beta-2020-10-09 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/paulcacheux/bfc [INFO] finished tweaking git repo https://github.com/paulcacheux/bfc [INFO] tweaked toml for git repo https://github.com/paulcacheux/bfc written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/paulcacheux/bfc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.6.2 [INFO] [stderr] Downloaded llvm-sys v50.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6be3adf011598bc6d284dabf10015a7861888a02c76cf7b3eca62d5eb9675450 [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" "6be3adf011598bc6d284dabf10015a7861888a02c76cf7b3eca62d5eb9675450", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6be3adf011598bc6d284dabf10015a7861888a02c76cf7b3eca62d5eb9675450", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6be3adf011598bc6d284dabf10015a7861888a02c76cf7b3eca62d5eb9675450", kill_on_drop: false }` [INFO] [stdout] 6be3adf011598bc6d284dabf10015a7861888a02c76cf7b3eca62d5eb9675450 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 763fb3bd8bdf5ec08031bfef4c921fd33546424a02984d83049c5a3c64eaef6a [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" "763fb3bd8bdf5ec08031bfef4c921fd33546424a02984d83049c5a3c64eaef6a", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling unicode-segmentation v1.2.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling term_size v0.3.0 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling semver v0.6.0 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling itertools v0.6.2 [INFO] [stderr] Compiling textwrap v0.7.0 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling clap v2.26.0 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling llvm-sys v50.0.0 [INFO] [stderr] Compiling bfc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.24s [INFO] running `Command { std: "docker" "inspect" "763fb3bd8bdf5ec08031bfef4c921fd33546424a02984d83049c5a3c64eaef6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "763fb3bd8bdf5ec08031bfef4c921fd33546424a02984d83049c5a3c64eaef6a", kill_on_drop: false }` [INFO] [stdout] 763fb3bd8bdf5ec08031bfef4c921fd33546424a02984d83049c5a3c64eaef6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 18c2df5257398249ad28fe7860b44d487d83b02dee70ae1d6fcc84d9d4776ac9 [INFO] running `Command { std: "docker" "start" "-a" "18c2df5257398249ad28fe7860b44d487d83b02dee70ae1d6fcc84d9d4776ac9", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling env_logger v0.3.5 [INFO] [stderr] Compiling quickcheck v0.4.1 [INFO] [stderr] Compiling bfc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 18.79s [INFO] running `Command { std: "docker" "inspect" "18c2df5257398249ad28fe7860b44d487d83b02dee70ae1d6fcc84d9d4776ac9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18c2df5257398249ad28fe7860b44d487d83b02dee70ae1d6fcc84d9d4776ac9", kill_on_drop: false }` [INFO] [stdout] 18c2df5257398249ad28fe7860b44d487d83b02dee70ae1d6fcc84d9d4776ac9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 0128f097ede8531d0b170c8e49df84c86f856e690e7a03f3bec55518d9b74258 [INFO] running `Command { std: "docker" "start" "-a" "0128f097ede8531d0b170c8e49df84c86f856e690e7a03f3bec55518d9b74258", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/brainfuck-16b6519b54fd8fde [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::quickcheck_opt_idempotent ... ok [INFO] [stdout] test tests::quickcheck_opt_no_change ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::quickcheck_opt_no_change stdout ---- [INFO] [stdout] thread 'tests::quickcheck_opt_no_change' panicked at '[quickcheck] TEST FAILED. Arguments: ([43, 60, 62, 46], [])', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.4.1/src/tester.rs:147:28 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55bde60043b0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stdout] 1: 0x55bde60043b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55bde60043b0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79 [INFO] [stdout] 3: 0x55bde60043b0 - ::fmt::h1e0bdbb35e83deca [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58 [INFO] [stdout] 4: 0x55bde602699c - core::fmt::write::he67f9b17bcb7ee73 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080 [INFO] [stdout] 5: 0x55bde5eaa156 - std::io::Write::write_fmt::h68b2e5fe4c78e61a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516 [INFO] [stdout] 6: 0x55bde5ffeb5d - std::io::impls::>::write_fmt::he9ebec865e28165c [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/impls.rs:179 [INFO] [stdout] 7: 0x55bde60068cd - std::sys_common::backtrace::_print::haa20918e28a126c5 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61 [INFO] [stdout] 8: 0x55bde60068cd - std::sys_common::backtrace::print::h49e772a4873d9076 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48 [INFO] [stdout] 9: 0x55bde60068cd - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208 [INFO] [stdout] 10: 0x55bde6006522 - std::panicking::default_hook::h63997b7b949e1ce0 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:224 [INFO] [stdout] 11: 0x55bde6006fb1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577 [INFO] [stdout] 12: 0x55bde5e8d5fb - std::panicking::begin_panic::{{closure}}::h5c957c2436810a5e [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506 [INFO] [stdout] 13: 0x55bde5ea076e - std::sys_common::backtrace::__rust_end_short_backtrace::hce04496114a5f58a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153 [INFO] [stdout] 14: 0x55bde5e8d4f4 - std::panicking::begin_panic::he3577f89d8219c4e [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505 [INFO] [stdout] 15: 0x55bde5e842bb - quickcheck::tester::QuickCheck::quickcheck::h789346f6e3be5049 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.4.1/src/tester.rs:147 [INFO] [stdout] 16: 0x55bde5e83f39 - quickcheck::tester::quickcheck::h5196ae62e6025ed5 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.4.1/src/tester.rs:155 [INFO] [stdout] 17: 0x55bde5e904bd - brainfuck::tests::quickcheck_opt_no_change::hf51edb91510973b0 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:58 [INFO] [stdout] 18: 0x55bde5e9049a - brainfuck::tests::quickcheck_opt_no_change::{{closure}}::hd7c598a5596e85ee [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:38 [INFO] [stdout] 19: 0x55bde5ea0c3e - core::ops::function::FnOnce::call_once::hca1927b307eec5a5 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227 [INFO] [stdout] 20: 0x55bde5ed0f43 - core::ops::function::FnOnce::call_once::hcd3fa2f0696c1015 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227 [INFO] [stdout] 21: 0x55bde5ed0f43 - test::__rust_begin_short_backtrace::h113f97c5e5ab7d4a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:516 [INFO] [stdout] 22: 0x55bde5ecf448 - as core::ops::function::FnOnce>::call_once::h01fd09163cae2442 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stdout] 23: 0x55bde5ecf448 - as core::ops::function::FnOnce<()>>::call_once::h0da6b685ae74a04a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308 [INFO] [stdout] 24: 0x55bde5ecf448 - std::panicking::try::do_call::h564a32f132f2c264 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381 [INFO] [stdout] 25: 0x55bde5ecf448 - std::panicking::try::h477cfd4b06a2e64a [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345 [INFO] [stdout] 26: 0x55bde5ecf448 - std::panic::catch_unwind::hdb5abc6d008c399d [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382 [INFO] [stdout] 27: 0x55bde5ecf448 - test::run_test_in_process::he8ff7dec91b275be [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:543 [INFO] [stdout] 28: 0x55bde5ecf448 - test::run_test::run_test_inner::{{closure}}::hfd9f49e4a4ff9162 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/test/src/lib.rs:449 [INFO] [stdout] 29: 0x55bde5ea94d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hee6d60d5bb466aff [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137 [INFO] [stdout] 30: 0x55bde5eae645 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h988cecdf9ebbaf00 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464 [INFO] [stdout] 31: 0x55bde5eae645 - as core::ops::function::FnOnce<()>>::call_once::h330cf727ec126982 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308 [INFO] [stdout] 32: 0x55bde5eae645 - std::panicking::try::do_call::h6cd25078f4a5ea13 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381 [INFO] [stdout] 33: 0x55bde5eae645 - std::panicking::try::h84b1d49961301705 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345 [INFO] [stdout] 34: 0x55bde5eae645 - std::panic::catch_unwind::h6145324593b3654b [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382 [INFO] [stdout] 35: 0x55bde5eae645 - std::thread::Builder::spawn_unchecked::{{closure}}::ha41e72e8024f9192 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463 [INFO] [stdout] 36: 0x55bde5eae645 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hfb5034cf1f1be223 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227 [INFO] [stdout] 37: 0x55bde600cfda - as core::ops::function::FnOnce>::call_once::hd4d30e37db281e8f [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stdout] 38: 0x55bde600cfda - as core::ops::function::FnOnce>::call_once::h019185a215ba16e4 [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042 [INFO] [stdout] 39: 0x55bde600cfda - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f [INFO] [stdout] at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87 [INFO] [stdout] 40: 0x7f8eb787c609 - start_thread [INFO] [stdout] 41: 0x7f8eb7639103 - clone [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::quickcheck_opt_no_change [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "0128f097ede8531d0b170c8e49df84c86f856e690e7a03f3bec55518d9b74258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0128f097ede8531d0b170c8e49df84c86f856e690e7a03f3bec55518d9b74258", kill_on_drop: false }` [INFO] [stdout] 0128f097ede8531d0b170c8e49df84c86f856e690e7a03f3bec55518d9b74258