[INFO] fetching crate graphlang 0.1.3...
[INFO] testing graphlang-0.1.3 against 1.76.0 for beta-1.77-1
[INFO] extracting crate graphlang 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate graphlang 0.1.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphlang 0.1.3
[INFO] finished tweaking crates.io crate graphlang 0.1.3
[INFO] tweaked toml for crates.io crate graphlang 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate graphlang 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a70347398f5ef8232af73cceb31aacce77d6f635d1e1a4c7db612d59eb7d36cd
[INFO] running `Command { std: "docker" "start" "-a" "a70347398f5ef8232af73cceb31aacce77d6f635d1e1a4c7db612d59eb7d36cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70347398f5ef8232af73cceb31aacce77d6f635d1e1a4c7db612d59eb7d36cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70347398f5ef8232af73cceb31aacce77d6f635d1e1a4c7db612d59eb7d36cd", kill_on_drop: false }`
[INFO] [stdout] a70347398f5ef8232af73cceb31aacce77d6f635d1e1a4c7db612d59eb7d36cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9472351bb8fcd4356197adcb5374641a52b6f439364009bbb09baced1543948f
[INFO] running `Command { std: "docker" "start" "-a" "9472351bb8fcd4356197adcb5374641a52b6f439364009bbb09baced1543948f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling graphlang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.24s
[INFO] running `Command { std: "docker" "inspect" "9472351bb8fcd4356197adcb5374641a52b6f439364009bbb09baced1543948f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9472351bb8fcd4356197adcb5374641a52b6f439364009bbb09baced1543948f", kill_on_drop: false }`
[INFO] [stdout] 9472351bb8fcd4356197adcb5374641a52b6f439364009bbb09baced1543948f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bc525543aa2b73aa6f638c3ecde96fcae9710dbe666821e958b025cfd890f5a
[INFO] running `Command { std: "docker" "start" "-a" "9bc525543aa2b73aa6f638c3ecde96fcae9710dbe666821e958b025cfd890f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling graphlang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.29s
[INFO] running `Command { std: "docker" "inspect" "9bc525543aa2b73aa6f638c3ecde96fcae9710dbe666821e958b025cfd890f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc525543aa2b73aa6f638c3ecde96fcae9710dbe666821e958b025cfd890f5a", kill_on_drop: false }`
[INFO] [stdout] 9bc525543aa2b73aa6f638c3ecde96fcae9710dbe666821e958b025cfd890f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e5b00c387c2979dc05dcf3dc7319b28dc73a3c8feec2175362af1b3a21a47d8
[INFO] running `Command { std: "docker" "start" "-a" "0e5b00c387c2979dc05dcf3dc7319b28dc73a3c8feec2175362af1b3a21a47d8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 24 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graphlang-7c919be777bd2288)
[INFO] [stdout] test graph::tests::graph_difference_used_for_reduced_query_graph_gen ... ok
[INFO] [stdout] test graph::tests::cleanup_edges ... ok
[INFO] [stdout] test graph::tests::node_neighbours ... ok
[INFO] [stdout] test graph::tests::node_neighbours_extended ... ok
[INFO] [stdout] test graph::tests::insert ... ok
[INFO] [stdout] test graph::tests::remove ... ok
[INFO] [stdout] test graphgrammar::quitcondition::all_options ... ok
[INFO] [stdout] test graphgrammar::quitcondition::new_is_invalid ... ok
[INFO] [stdout] test graphgrammar::quitcondition::timeout_is_valid ... ok
[INFO] [stdout] test graphoperations::combine_neighbours_with_filter ... ok
[INFO] [stdout] test graphgrammar::quitcondition::valid_graph_is_valid ... ok
[INFO] [stdout] test graphoperations::combine_neighbours_simple ... ok
[INFO] [stdout] test graphoperations::combine_neighbours_with_filter_2 ... ok
[INFO] [stdout] test graphgrammar::quitcondition::prodnum_is_valid ... ok
[INFO] [stdout] test graphgrammar::quitcondition::trivial_production ... ok
[INFO] [stdout] test predefined::tests::test_predefined_string_grammer ... ok
[INFO] [stdout] test primitives::tests::deserialize_reference_graph ... ok
[INFO] [stdout] test graphoperations::tests::trivial_disconnected_graphs ... ok
[INFO] [stdout] test graphoperations::tests::simple_unique_match ... ok
[INFO] [stdout] test predefined::tests::test_predefined_ladder_grammer ... ok
[INFO] [stdout] test graphoperations::tests::simple_nonunique_match ... ok
[INFO] [stdout] test graphoperations::tests::nonunique_match_with_cycles ... ok
[INFO] [stdout] test primitives::tests::serialize_and_deserialize_graph ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graphlang-4adecfcc1c81b92d)
[INFO] [stderr]      Running tests/basic_operations.rs (/opt/rustwide/target/debug/deps/basic_operations-37a164ba06ec5e3a)
[INFO] [stdout] test predefined::tests::test_predefined_string_grammer_equals_ladder_with_width_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test read_graph_from_file ... ok
[INFO] [stdout] test serde_of_a_graphgrammar ... ok
[INFO] [stdout] test graphgrammar_from_file_is_usable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests graphlang
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/graph.rs - graph::Graph<I,NL,EL>::cleanup_edges (line 70) ... ok
[INFO] [stdout] test src/graphoperations.rs - graphoperations::are_graphs_isomorph (line 210) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph<I,NL,EL>::write_dot_to (line 309) ... FAILED
[INFO] [stdout] test src/predefined.rs - predefined::ladder_grammar (line 119) ... ok
[INFO] [stdout] test src/predefined.rs - predefined::ladder_grammar (line 135) ... ok
[INFO] [stdout] test src/predefined.rs - predefined::string_grammar (line 25) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/graph.rs - graph::Graph<I,NL,EL>::write_dot_to (line 309) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/graph.rs:15:8:
[INFO] [stdout] Doc test for write_dot_to works: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555a2eb5df76 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x555a2eb5df76 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x555a2eb5df76 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x555a2eb5df76 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x555a2eb7d230 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x555a2eb7d230 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x555a2eb5c42f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x555a2eb5dd54 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x555a2eb5dd54 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x555a2eb5f2b7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x555a2eb5f019 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x555a2eb5f748 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x555a2eb5f622 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x555a2eb5e476 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x555a2eb5f380 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x555a2eb23e55 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x555a2eb243b3 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x555a2eb28133 - core::result::Result<T,E>::expect::h4ce3f20b093054b0
[INFO] [stdout]   18:     0x555a2eb298e1 - rust_out::main::_doctest_main_src_graph_rs_309_0::h4a89aa131bd4af03
[INFO] [stdout]   19:     0x555a2eb298b6 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   20:     0x555a2eb27713 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   21:     0x555a2eb26e56 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   22:     0x555a2eb27399 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   23:     0x555a2eb59e61 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   24:     0x555a2eb59e61 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   25:     0x555a2eb59e61 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   26:     0x555a2eb59e61 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   27:     0x555a2eb59e61 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x555a2eb59e61 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x555a2eb59e61 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x555a2eb59e61 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x555a2eb59e61 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x555a2eb27377 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   33:     0x555a2eb29b35 - main
[INFO] [stdout]   34:     0x7f38b8b78d90 - <unknown>
[INFO] [stdout]   35:     0x7f38b8b78e40 - __libc_start_main
[INFO] [stdout]   36:     0x555a2eb24675 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/graph.rs - graph::Graph<I,NL,EL>::write_dot_to (line 309)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e5b00c387c2979dc05dcf3dc7319b28dc73a3c8feec2175362af1b3a21a47d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5b00c387c2979dc05dcf3dc7319b28dc73a3c8feec2175362af1b3a21a47d8", kill_on_drop: false }`
[INFO] [stdout] 0e5b00c387c2979dc05dcf3dc7319b28dc73a3c8feec2175362af1b3a21a47d8
