[INFO] cloning repository https://github.com/kainlite/merger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kainlite/merger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkainlite%2Fmerger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkainlite%2Fmerger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12dd1e0a55d4b3bdee3c490f9ea02a551f9a164a
[INFO] testing kainlite/merger against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkainlite%2Fmerger" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kainlite/merger on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kainlite/merger
[INFO] finished tweaking git repo https://github.com/kainlite/merger
[INFO] tweaked toml for git repo https://github.com/kainlite/merger written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/kainlite/merger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f4ff7eb8acd79ab66728ecaba087e52d6ccd0625fc706b546d1e8e0bdb03e7
[INFO] running `Command { std: "docker" "start" "-a" "88f4ff7eb8acd79ab66728ecaba087e52d6ccd0625fc706b546d1e8e0bdb03e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f4ff7eb8acd79ab66728ecaba087e52d6ccd0625fc706b546d1e8e0bdb03e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f4ff7eb8acd79ab66728ecaba087e52d6ccd0625fc706b546d1e8e0bdb03e7", kill_on_drop: false }`
[INFO] [stdout] 88f4ff7eb8acd79ab66728ecaba087e52d6ccd0625fc706b546d1e8e0bdb03e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b5be16199546c74f9a8fb3df84c2aedd363ad1ddcedb3567ef79a4bb31c61b
[INFO] running `Command { std: "docker" "start" "-a" "d9b5be16199546c74f9a8fb3df84c2aedd363ad1ddcedb3567ef79a4bb31c61b", kill_on_drop: false }`
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling merge-yaml-hash v0.2.0
[INFO] [stderr]    Compiling merger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "d9b5be16199546c74f9a8fb3df84c2aedd363ad1ddcedb3567ef79a4bb31c61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b5be16199546c74f9a8fb3df84c2aedd363ad1ddcedb3567ef79a4bb31c61b", kill_on_drop: false }`
[INFO] [stdout] d9b5be16199546c74f9a8fb3df84c2aedd363ad1ddcedb3567ef79a4bb31c61b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ee9a9b76a9919af30eda0450baa420c47a2cbb21d6cae54a4f29f9874affa2
[INFO] running `Command { std: "docker" "start" "-a" "d1ee9a9b76a9919af30eda0450baa420c47a2cbb21d6cae54a4f29f9874affa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling merger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "d1ee9a9b76a9919af30eda0450baa420c47a2cbb21d6cae54a4f29f9874affa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ee9a9b76a9919af30eda0450baa420c47a2cbb21d6cae54a4f29f9874affa2", kill_on_drop: false }`
[INFO] [stdout] d1ee9a9b76a9919af30eda0450baa420c47a2cbb21d6cae54a4f29f9874affa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf65b9dbaa269855e9d5c1dc8434a8eac5a8d9481911819332361f32c1531fdf
[INFO] running `Command { std: "docker" "start" "-a" "bf65b9dbaa269855e9d5c1dc8434a8eac5a8d9481911819332361f32c1531fdf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merger-54620ba5eb1b18b8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::open_file_test ... ok
[INFO] [stdout] test tests::merge_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::merge_test stdout ----
[INFO] [stdout] thread 'tests::merge_test' panicked at 'attempted to leave type `linked_hash_map::Node<yaml::Yaml, yaml::Yaml>` uninitialized, which is invalid', /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/mem/mod.rs:660:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f4bb852980 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55f4bb852980 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f4bb852980 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55f4bb852980 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55f4bb87654c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55f4bb84f7e5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55f4bb854aeb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55f4bb854aeb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55f4bb854aeb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55f4bb8545fc - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55f4bb8551b4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55f4bb854c67 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:517:13
[INFO] [stdout]   12:     0x55f4bb852e7c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55f4bb854bf9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55f4bb7a1651 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55f4bb7a159d - core::panicking::panic::h1a48d878ff3dcd40
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:50:5
[INFO] [stdout]   16:     0x55f4bb7f94fa - core::mem::uninitialized::h32818301dbfb5861
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/mem/mod.rs:660:9
[INFO] [stdout]   17:     0x55f4bb7f94fa - linked_hash_map::LinkedHashMap<K,V,S>::ensure_guard_node::ha6610ce41106ad21
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:174:52
[INFO] [stdout]   18:     0x55f4bb7f972c - linked_hash_map::LinkedHashMap<K,V,S>::insert::haa458d324b13468a
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/linked-hash-map-0.5.2/src/lib.rs:304:9
[INFO] [stdout]   19:     0x55f4bb829626 - yaml_rust::yaml::YamlLoader::insert_new_node::h6a8a152727b71eb3
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/yaml.rs:181:25
[INFO] [stdout]   20:     0x55f4bb828942 - <yaml_rust::yaml::YamlLoader as yaml_rust::parser::MarkedEventReceiver>::on_event::hc66694092dda7830
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/yaml.rs:145:17
[INFO] [stdout]   21:     0x55f4bb833d0f - yaml_rust::parser::Parser<T>::load_node::h619b1e2ad48e47af
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/parser.rs:233:17
[INFO] [stdout]   22:     0x55f4bb834593 - yaml_rust::parser::Parser<T>::load_mapping::h6fa3582c5e816350
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/parser.rs:259:13
[INFO] [stdout]   23:     0x55f4bb833ef1 - yaml_rust::parser::Parser<T>::load_node::h619b1e2ad48e47af
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/parser.rs:242:17
[INFO] [stdout]   24:     0x55f4bb8335e2 - yaml_rust::parser::Parser<T>::load_document::h1ea3635511558856
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/parser.rs:215:9
[INFO] [stdout]   25:     0x55f4bb83309f - yaml_rust::parser::Parser<T>::load::h0df52950fbdaad74
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/parser.rs:197:13
[INFO] [stdout]   26:     0x55f4bb8298ad - yaml_rust::yaml::YamlLoader::load_from_str::h262ac63580878362
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yaml-rust-0.4.3/src/yaml.rs:197:9
[INFO] [stdout]   27:     0x55f4bb7e4972 - merge_yaml_hash::MergeYamlHash::merge::h790fc1c81877fb5f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/merge-yaml-hash-0.2.0/src/lib.rs:354:20
[INFO] [stdout]   28:     0x55f4bb7a37d3 - merger::merge::hae61ddce4da35f4e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:95:9
[INFO] [stdout]   29:     0x55f4bb7a4b2e - merger::tests::merge_test::h5a25c9665b251d03
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:118:22
[INFO] [stdout]   30:     0x55f4bb7a49ca - merger::tests::merge_test::{{closure}}::h11e8863a333abc75
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:112:5
[INFO] [stdout]   31:     0x55f4bb7a2dae - core::ops::function::FnOnce::call_once::h5237b533a1a82995
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   32:     0x55f4bb7cd9f3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   33:     0x55f4bb7cd9f3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   34:     0x55f4bb7cc4b0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   35:     0x55f4bb7cc4b0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   36:     0x55f4bb7cc4b0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   37:     0x55f4bb7cc4b0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   38:     0x55f4bb7cc4b0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   39:     0x55f4bb7cc4b0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   40:     0x55f4bb7cc4b0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   41:     0x55f4bb7a5b62 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   42:     0x55f4bb7a5b62 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   43:     0x55f4bb7a9718 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   44:     0x55f4bb7a9718 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   45:     0x55f4bb7a9718 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   46:     0x55f4bb7a9718 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   47:     0x55f4bb7a9718 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   48:     0x55f4bb7a9718 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   49:     0x55f4bb7a9718 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   50:     0x55f4bb859c77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   51:     0x55f4bb859c77 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   52:     0x55f4bb859c77 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   53:     0x7f1233013609 - start_thread
[INFO] [stdout]   54:     0x7f1232de5293 - clone
[INFO] [stdout]   55:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::merge_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin merger'
[INFO] running `Command { std: "docker" "inspect" "bf65b9dbaa269855e9d5c1dc8434a8eac5a8d9481911819332361f32c1531fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf65b9dbaa269855e9d5c1dc8434a8eac5a8d9481911819332361f32c1531fdf", kill_on_drop: false }`
[INFO] [stdout] bf65b9dbaa269855e9d5c1dc8434a8eac5a8d9481911819332361f32c1531fdf
