[INFO] fetching crate petgraph-evcxr 0.2.0...
[INFO] testing petgraph-evcxr-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate petgraph-evcxr 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate petgraph-evcxr 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate petgraph-evcxr 0.2.0
[INFO] finished tweaking crates.io crate petgraph-evcxr 0.2.0
[INFO] tweaked toml for crates.io crate petgraph-evcxr 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b20df3738998bbdf94943b5832e3b3886a934a34aff750d4cec612dc66f0a6
[INFO] running `Command { std: "docker" "start" "-a" "55b20df3738998bbdf94943b5832e3b3886a934a34aff750d4cec612dc66f0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b20df3738998bbdf94943b5832e3b3886a934a34aff750d4cec612dc66f0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b20df3738998bbdf94943b5832e3b3886a934a34aff750d4cec612dc66f0a6", kill_on_drop: false }`
[INFO] [stdout] 55b20df3738998bbdf94943b5832e3b3886a934a34aff750d4cec612dc66f0a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f1f9711ff509992d037f29bb5e4168f67e773f2569e3e0d4d3b2850bbf39c61
[INFO] running `Command { std: "docker" "start" "-a" "5f1f9711ff509992d037f29bb5e4168f67e773f2569e3e0d4d3b2850bbf39c61", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling petgraph-evcxr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]   --> src/lib.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("{}", base64::encode(&output.stdout[..]));
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "5f1f9711ff509992d037f29bb5e4168f67e773f2569e3e0d4d3b2850bbf39c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1f9711ff509992d037f29bb5e4168f67e773f2569e3e0d4d3b2850bbf39c61", kill_on_drop: false }`
[INFO] [stdout] 5f1f9711ff509992d037f29bb5e4168f67e773f2569e3e0d4d3b2850bbf39c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b45c46ad92383235c1396f722dff0db16ba2de0dcc05061762ccd4d67c5304b5
[INFO] running `Command { std: "docker" "start" "-a" "b45c46ad92383235c1396f722dff0db16ba2de0dcc05061762ccd4d67c5304b5", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling petgraph-evcxr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]   --> src/lib.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("{}", base64::encode(&output.stdout[..]));
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stdout]   --> src/lib.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("{}", base64::encode(&output.stdout[..]));
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "b45c46ad92383235c1396f722dff0db16ba2de0dcc05061762ccd4d67c5304b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45c46ad92383235c1396f722dff0db16ba2de0dcc05061762ccd4d67c5304b5", kill_on_drop: false }`
[INFO] [stdout] b45c46ad92383235c1396f722dff0db16ba2de0dcc05061762ccd4d67c5304b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d38b56192085e1cb85cdf9dfe4e40a169b36e2713f36a72489f1394b7e404b2
[INFO] running `Command { std: "docker" "start" "-a" "5d38b56192085e1cb85cdf9dfe4e40a169b36e2713f36a72489f1394b7e404b2", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: use of deprecated function `base64::encode`: Use Engine::encode
[INFO] [stderr]   --> src/lib.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     println!("{}", base64::encode(&output.stdout[..]));
[INFO] [stderr]    |                            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `petgraph-evcxr` (lib) generated 1 warning
[INFO] [stderr] warning: `petgraph-evcxr` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/petgraph_evcxr-d5976bae7521fca4)
[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]    Doc-tests petgraph-evcxr
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - draw_dot (line 14) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - draw_graph (line 48) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - draw_dot (line 14) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] EVCXR_BEGIN_CONTENT image/png
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Error running graphviz dot is graphviz installed?: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:33:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55598b4c5a1a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55598b4c5a1a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55598b4c5a1a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55598b4c5a1a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55598b4e2bee - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x55598b4c3445 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x55598b4c57e5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55598b4c57e5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55598b4c6e3f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x55598b4c6b7b - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x55598b4c73e8 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x55598b4c72e9 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   12:     0x55598b4c5e86 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x55598b4c6ff2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   14:     0x55598b49f343 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   15:     0x55598b49f733 - core::result::unwrap_failed::hdff5465d74574b44
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1750:5
[INFO] [stdout]   16:     0x55598b4a25bb - core::result::Result<T,E>::expect::ha366bf7dd1b40b92
[INFO] [stdout]   17:     0x55598b49fbbb - petgraph_evcxr::draw_dot::h10c51efc579d95c7
[INFO] [stdout]   18:     0x55598b4a5922 - rust_out::main::_doctest_main_src_lib_rs_14_0::h62e4c77c6c1c434d
[INFO] [stdout]   19:     0x55598b4a5906 - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   20:     0x55598b4a1063 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   21:     0x55598b49ff19 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   22:     0x55598b4a0989 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   23:     0x55598b4c07fc - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   24:     0x55598b4c07fc - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   25:     0x55598b4c07fc - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   26:     0x55598b4c07fc - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   27:     0x55598b4c07fc - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x55598b4c07fc - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   29:     0x55598b4c07fc - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   30:     0x55598b4c07fc - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   31:     0x55598b4c07fc - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x55598b4a0967 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   33:     0x55598b4a5945 - main
[INFO] [stdout]   34:     0x7f1381d09d90 - <unknown>
[INFO] [stdout]   35:     0x7f1381d09e40 - __libc_start_main
[INFO] [stdout]   36:     0x55598b49f875 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - draw_graph (line 48) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] EVCXR_BEGIN_CONTENT image/png
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Error running graphviz dot is graphviz installed?: Os { code: 2, kind: NotFound, message: "No such file or directory" }', /opt/rustwide/workdir/src/lib.rs:33:10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55f0ae4983da - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55f0ae4983da - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55f0ae4983da - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55f0ae4983da - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55f0ae4b55ae - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x55f0ae495e05 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x55f0ae4981a5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55f0ae4981a5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55f0ae4997ff - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x55f0ae49953b - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x55f0ae499da8 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x55f0ae499ca9 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   12:     0x55f0ae498846 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x55f0ae4999b2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   14:     0x55f0ae46b343 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   15:     0x55f0ae46b733 - core::result::unwrap_failed::hdff5465d74574b44
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1750:5
[INFO] [stdout]   16:     0x55f0ae46f6cb - core::result::Result<T,E>::expect::ha366bf7dd1b40b92
[INFO] [stdout]   17:     0x55f0ae46c1d6 - petgraph_evcxr::draw_dot::hac3e97a58246f6be
[INFO] [stdout]   18:     0x55f0ae46c06b - petgraph_evcxr::draw_graph::h2515bd82fc6fec67
[INFO] [stdout]   19:     0x55f0ae4760a2 - rust_out::main::_doctest_main_src_lib_rs_48_0::he3c77a4e290e285c
[INFO] [stdout]   20:     0x55f0ae476006 - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   21:     0x55f0ae46d923 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   22:     0x55f0ae46c539 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   23:     0x55f0ae46cfa9 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   24:     0x55f0ae4931bc - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   25:     0x55f0ae4931bc - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   26:     0x55f0ae4931bc - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   27:     0x55f0ae4931bc - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   28:     0x55f0ae4931bc - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   29:     0x55f0ae4931bc - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   30:     0x55f0ae4931bc - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   31:     0x55f0ae4931bc - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:     0x55f0ae4931bc - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   33:     0x55f0ae46cf87 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   34:     0x55f0ae4760e5 - main
[INFO] [stdout]   35:     0x7fd29b058d90 - <unknown>
[INFO] [stdout]   36:     0x7fd29b058e40 - __libc_start_main
[INFO] [stdout]   37:     0x55f0ae46b875 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - draw_dot (line 14)
[INFO] [stdout]     src/lib.rs - draw_graph (line 48)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d38b56192085e1cb85cdf9dfe4e40a169b36e2713f36a72489f1394b7e404b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d38b56192085e1cb85cdf9dfe4e40a169b36e2713f36a72489f1394b7e404b2", kill_on_drop: false }`
[INFO] [stdout] 5d38b56192085e1cb85cdf9dfe4e40a169b36e2713f36a72489f1394b7e404b2
