[INFO] fetching crate graphlang 0.1.3...
[INFO] testing graphlang-0.1.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate graphlang 0.1.3 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphlang 0.1.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded dot v0.1.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded libc v0.2.122
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 892a7f2a67c4aa8fd2406694faef1520316de84c9fc7917f216a65e93fa1c42d
[INFO] running `Command { std: "docker" "start" "-a" "892a7f2a67c4aa8fd2406694faef1520316de84c9fc7917f216a65e93fa1c42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892a7f2a67c4aa8fd2406694faef1520316de84c9fc7917f216a65e93fa1c42d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892a7f2a67c4aa8fd2406694faef1520316de84c9fc7917f216a65e93fa1c42d", kill_on_drop: false }`
[INFO] [stdout] 892a7f2a67c4aa8fd2406694faef1520316de84c9fc7917f216a65e93fa1c42d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30b3b35717211060cbd322598ebc9cc5439e2172ca311aa754761272fa84c3e3
[INFO] running `Command { std: "docker" "start" "-a" "30b3b35717211060cbd322598ebc9cc5439e2172ca311aa754761272fa84c3e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[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` profile [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "30b3b35717211060cbd322598ebc9cc5439e2172ca311aa754761272fa84c3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b3b35717211060cbd322598ebc9cc5439e2172ca311aa754761272fa84c3e3", kill_on_drop: false }`
[INFO] [stdout] 30b3b35717211060cbd322598ebc9cc5439e2172ca311aa754761272fa84c3e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e4d79cf8863eebc4347a1b615af28ac38352c02efdd0d1258bccfbf88356b8
[INFO] running `Command { std: "docker" "start" "-a" "f3e4d79cf8863eebc4347a1b615af28ac38352c02efdd0d1258bccfbf88356b8", 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` profile [unoptimized + debuginfo] target(s) in 25.83s
[INFO] running `Command { std: "docker" "inspect" "f3e4d79cf8863eebc4347a1b615af28ac38352c02efdd0d1258bccfbf88356b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e4d79cf8863eebc4347a1b615af28ac38352c02efdd0d1258bccfbf88356b8", kill_on_drop: false }`
[INFO] [stdout] f3e4d79cf8863eebc4347a1b615af28ac38352c02efdd0d1258bccfbf88356b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c314d7ca44eed25fecdc9989cf421b26c005408bde145217dea0a318f1743b0
[INFO] running `Command { std: "docker" "start" "-a" "0c314d7ca44eed25fecdc9989cf421b26c005408bde145217dea0a318f1743b0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graphlang-86d195d7c8566e49)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test graph::tests::cleanup_edges ... ok
[INFO] [stdout] test graph::tests::graph_difference_used_for_reduced_query_graph_gen ... ok
[INFO] [stdout] test graph::tests::node_neighbours ... ok
[INFO] [stdout] test graph::tests::node_neighbours_extended ... 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 graphgrammar::quitcondition::trivial_production ... ok
[INFO] [stdout] test graphoperations::combine_neighbours_simple ... ok
[INFO] [stdout] test graphoperations::combine_neighbours_with_filter_2 ... ok
[INFO] [stdout] test graphoperations::combine_neighbours_with_filter ... ok
[INFO] [stdout] test graphoperations::tests::nonunique_match_with_cycles ... ok
[INFO] [stdout] test graphgrammar::quitcondition::prodnum_is_valid ... ok
[INFO] [stdout] test graph::tests::insert ... ok
[INFO] [stdout] test graphoperations::tests::simple_unique_match ... ok
[INFO] [stdout] test predefined::tests::test_predefined_string_grammer ... ok
[INFO] [stdout] test predefined::tests::test_predefined_ladder_grammer ... ok
[INFO] [stdout] test primitives::tests::deserialize_reference_graph ... ok
[INFO] [stdout] test graphgrammar::quitcondition::valid_graph_is_valid ... ok
[INFO] [stdout] test primitives::tests::serialize_and_deserialize_graph ... ok
[INFO] [stdout] test graphoperations::tests::trivial_disconnected_graphs ... ok
[INFO] [stdout] test predefined::tests::test_predefined_string_grammer_equals_ladder_with_width_1 ... ok
[INFO] [stdout] test graphoperations::tests::simple_nonunique_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/graphlang-a8a6010ca9a4fc67)
[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] [stderr]      Running tests/basic_operations.rs (/opt/rustwide/target/debug/deps/basic_operations-ff08497092fe2bac)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test read_graph_from_file ... ok
[INFO] [stdout] test graphgrammar_from_file_is_usable ... ok
[INFO] [stdout] test serde_of_a_graphgrammar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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::string_grammar (line 25) ... ok
[INFO] [stdout] test src/predefined.rs - predefined::ladder_grammar (line 135) ... ok
[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] 
[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:     0x5e11c00a37c2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e11c00a37c2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e11c00a37c2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e11c00a37c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e11c00bfc43 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e11c00bfc43 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5e11c00a13c3 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e11c00a13c3 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e11c00a3612 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e11c00a4696 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e11c00a4499 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5e11c00a5062 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5e11c00a4dfa - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5e11c00a3cc9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x5e11c00a4a8d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5e11c00bef30 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5e11c00bf2a6 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x5e11c007c720 - core::result::Result<T,E>::expect::he9bd59a5c5be7794
[INFO] [stdout]   18:     0x5e11c007eb31 - rust_out::main::_doctest_main_src_graph_rs_309_0::h689ef0488647a275
[INFO] [stdout]   19:     0x5e11c007eb06 - rust_out::main::h707a703e23e8b691
[INFO] [stdout]   20:     0x5e11c007adc3 - core::ops::function::FnOnce::call_once::hacedfcda517d60ac
[INFO] [stdout]   21:     0x5e11c007ab46 - std::sys::backtrace::__rust_begin_short_backtrace::h4237a9aceaf0c727
[INFO] [stdout]   22:     0x5e11c007aa89 - std::rt::lang_start::{{closure}}::hd68394c0f7c71761
[INFO] [stdout]   23:     0x5e11c009ef90 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   24:     0x5e11c009ef90 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   25:     0x5e11c009ef90 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   26:     0x5e11c009ef90 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5e11c009ef90 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x5e11c009ef90 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5e11c009ef90 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5e11c009ef90 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e11c009ef90 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x5e11c007aa71 - std::rt::lang_start::h323b15ce03982075
[INFO] [stdout]   33:     0x5e11c007ed65 - main
[INFO] [stdout]   34:     0x746dae6b81ca - <unknown>
[INFO] [stdout]   35:     0x746dae6b828b - __libc_start_main
[INFO] [stdout]   36:     0x5e11c00769b5 - _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 1.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0c314d7ca44eed25fecdc9989cf421b26c005408bde145217dea0a318f1743b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c314d7ca44eed25fecdc9989cf421b26c005408bde145217dea0a318f1743b0", kill_on_drop: false }`
[INFO] [stdout] 0c314d7ca44eed25fecdc9989cf421b26c005408bde145217dea0a318f1743b0
