[INFO] fetching crate graph-algo-ptas 0.1.0...
[INFO] testing graph-algo-ptas-0.1.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate graph-algo-ptas 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate graph-algo-ptas 0.1.0
[INFO] finished tweaking crates.io crate graph-algo-ptas 0.1.0
[INFO] tweaked toml for crates.io crate graph-algo-ptas 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graph-algo-ptas 0.1.0 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 graph-algo-ptas 0.1.0 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 }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70533eb80e2720e980d006c948340348cde663f49e33ce0e1659c940b270ded7
[INFO] running `Command { std: "docker" "start" "-a" "70533eb80e2720e980d006c948340348cde663f49e33ce0e1659c940b270ded7", kill_on_drop: false }`
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[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=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] 405e1c19de72ef5f459a7cd3240b0f7e4178fcf5889cf61b9ee9006d5cf89b11
[INFO] running `Command { std: "docker" "start" "-a" "405e1c19de72ef5f459a7cd3240b0f7e4178fcf5889cf61b9ee9006d5cf89b11", kill_on_drop: false }`
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[INFO] [stderr]    Compiling byteorder v1.4.3
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[INFO] [stderr]    Compiling arboretum-td v0.1.0
[INFO] [stderr]    Compiling graph-algo-ptas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data_structure/list_graph.rs:185:25
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data_structure/list_graph.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/embedding/maximal_planar/phase2.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.82s
[INFO] running `Command { std: "docker" "inspect" "405e1c19de72ef5f459a7cd3240b0f7e4178fcf5889cf61b9ee9006d5cf89b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405e1c19de72ef5f459a7cd3240b0f7e4178fcf5889cf61b9ee9006d5cf89b11", kill_on_drop: false }`
[INFO] [stdout] 405e1c19de72ef5f459a7cd3240b0f7e4178fcf5889cf61b9ee9006d5cf89b11
[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=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] b81d74094a7e2802ce6b637e371d8e8ea8d42cf7065d1a386c740d2b319ebdee
[INFO] running `Command { std: "docker" "start" "-a" "b81d74094a7e2802ce6b637e371d8e8ea8d42cf7065d1a386c740d2b319ebdee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.143
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[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
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[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling plotters-backend v0.3.4
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[INFO] [stderr]    Compiling rand_core v0.6.3
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling plotters v0.3.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling arboretum-td v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling graph-algo-ptas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data_structure/list_graph.rs:185:25
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data_structure/list_graph.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/embedding/maximal_planar/phase2.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/data_structure/link_graph.rs:800:9
[INFO] [stdout]     |
[INFO] [stdout] 800 |         format!("{:?}", vertex);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 800 |         let _ = format!("{:?}", vertex);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/data_structure/link_graph.rs:801:9
[INFO] [stdout]     |
[INFO] [stdout] 801 |         format!("{:?}", dart);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 801 |         let _ = format!("{:?}", dart);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/data_structure/link_graph.rs:802:9
[INFO] [stdout]     |
[INFO] [stdout] 802 |         format!("{:?}", face);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 802 |         let _ = format!("{:?}", face);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data_structure/list_graph.rs:185:25
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/data_structure/list_graph.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter {
[INFO] [stdout]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/embedding/maximal_planar/phase2.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "b81d74094a7e2802ce6b637e371d8e8ea8d42cf7065d1a386c740d2b319ebdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81d74094a7e2802ce6b637e371d8e8ea8d42cf7065d1a386c740d2b319ebdee", kill_on_drop: false }`
[INFO] [stdout] b81d74094a7e2802ce6b637e371d8e8ea8d42cf7065d1a386c740d2b319ebdee
[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=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] f8f3b6ce255f1376d74abf0733a739f4574e31a50b3b099ef2ff8a110aece3e6
[INFO] running `Command { std: "docker" "start" "-a" "f8f3b6ce255f1376d74abf0733a739f4574e31a50b3b099ef2ff8a110aece3e6", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/data_structure/list_graph.rs:185:25
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn node_indexes(&self) -> NodeIndexIter {
[INFO] [stderr]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/data_structure/list_graph.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter {
[INFO] [stderr]     |                         ^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/embedding/maximal_planar/phase2.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2 {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2<'_> {
[INFO] [stderr]    |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `graph-algo-ptas` (lib) generated 3 warnings
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/data_structure/link_graph.rs:800:9
[INFO] [stderr]     |
[INFO] [stderr] 800 |         format!("{:?}", vertex);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 800 |         let _ = format!("{:?}", vertex);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/data_structure/link_graph.rs:801:9
[INFO] [stderr]     |
[INFO] [stderr] 801 |         format!("{:?}", dart);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 801 |         let _ = format!("{:?}", dart);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/data_structure/link_graph.rs:802:9
[INFO] [stderr]     |
[INFO] [stderr] 802 |         format!("{:?}", face);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 802 |         let _ = format!("{:?}", face);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `graph-algo-ptas` (lib test) generated 6 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_algo_ptas-def90fbc6587da02)
[INFO] [stdout] 
[INFO] [stdout] running 113 tests
[INFO] [stdout] test algorithm::dualgraph::tests::single_edge ... ok
[INFO] [stdout] test algorithm::dualgraph::tests::triangle ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::large_bit_vec ... ok
[INFO] [stdout] test algorithm::leveling::tests::triangle ... ok
[INFO] [stdout] test algorithm::leveling::tests::two_triangle ... ok
[INFO] [stdout] test algorithm::nice_tree_decomposition::tests::single_bag_with_1_vertex ... ok
[INFO] [stdout] test algorithm::nice_tree_decomposition::tests::single_bag_with_multiple_vertices ... ok
[INFO] [stdout] test algorithm::nice_tree_decomposition::tests::two_bags_with_multiple_vertices ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::min_vertex_cover_isolated ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::remapping ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::max_independent_set_isolated ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::max_independent_set_clique ... ok
[INFO] [stdout] test algorithm::ptas::tests::max_independent_set_single_edge ... ok
[INFO] [stdout] test algorithm::leveling::tests::three_triangle ... ok
[INFO] [stdout] test algorithm::leveling::tests::test ... ok
[INFO] [stdout] test algorithm::leveling::tests::rings ... ok
[INFO] [stdout] test algorithm::ptas::tests::min_vertex_cover_single_edge ... ok
[INFO] [stdout] test algorithm::spantree::tests::single_edge ... ok
[INFO] [stdout] test algorithm::ptas::tests::min_vertex_cover_single_vertex ... ok
[INFO] [stdout] test algorithm::spantree::tests::triangle ... ok
[INFO] [stdout] test algorithm::spantree::tests::quad ... ok
[INFO] [stdout] test algorithm::ptas::tests::max_independent_set_single_vertex ... ok
[INFO] [stdout] test algorithm::tree_decomposition::tests::single_edge ... ok
[INFO] [stdout] test algorithm::tree_decomposition::tests::triangle ... ok
[INFO] [stdout] test algorithm::triangulation::tests::single_edge ... ok
[INFO] [stdout] test data_structure::link_graph::tests::cmp_test ... ok
[INFO] [stdout] test algorithm::triangulation::tests::outgoing_edge ... ok
[INFO] [stdout] test algorithm::triangulation::tests::three_edges ... ok
[INFO] [stdout] test data_structure::link_graph::example::test::validate_three_ring_graph ... ok
[INFO] [stdout] test data_structure::link_graph::tests::edge_count ... ok
[INFO] [stdout] test data_structure::link_graph::tests::eq_test ... ok
[INFO] [stdout] test data_structure::link_graph::tests::hash_test ... ok
[INFO] [stdout] test data_structure::link_graph::tests::iter_test ... ok
[INFO] [stdout] test algorithm::triangulation::tests::single_face ... ok
[INFO] [stdout] test data_structure::link_graph::tests::dart_count ... ok
[INFO] [stdout] test data_structure::link_graph::tests::test ... ok
[INFO] [stdout] test data_structure::link_graph::tests::test_add_edge ... ok
[INFO] [stdout] test data_structure::link_graph::tests::test_remove_edge ... ok
[INFO] [stdout] test data_structure::link_graph::tests::test_remove_edge_from_complex_graph ... ok
[INFO] [stdout] test data_structure::list_graph::tests::from_edge_node_list_test ... ok
[INFO] [stdout] test data_structure::link_graph::tests::neighbors_triangle ... ok
[INFO] [stdout] test data_structure::link_graph::tests::face_count ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_connected_node ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_end ... ok
[INFO] [stdout] test data_structure::link_graph::tests::neighbors_single_edge ... ok
[INFO] [stdout] test data_structure::link_graph::tests::face_vertex_count ... ok
[INFO] [stdout] test data_structure::link_graph::tests::neighbors_count ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_end_reverse ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_middle ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_none ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_middle_reverse ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_start_reverse ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_all_edges ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_cyclic_incident_prev ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_cyclic_incident_succ ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_edges ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_multi_connected_node ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_new_vertex ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_opposite ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_ordered_double_add_wit_after ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_ordered_re_add ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_ordered_re_add_cyclic ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_remove_connected_node ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_ordered_re_add_different_position ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_one ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_start ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_three ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_three_inner_darts ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_two ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_three_outer_darts ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_two_inner_darts ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_two_outer_darts ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_k4_graph ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_to_pet_graph ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_min_graph ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_counts ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_small_graph ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embedd_triangle_graph ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_medium_graph ... ok
[INFO] [stdout] test embedding::maximal_planar::phase1::tests::phase_1 ... ok
[INFO] [stdout] test embedding::maximal_planar::phase2::tests::phase_2 ... ok
[INFO] [stdout] test generation::planar::tests::test_graph_generation_base ... ok
[INFO] [stdout] test generation::planar::tests::test_graph_generation_large ... ok
[INFO] [stdout] test generation::planar::tests::test_graph_generation_min ... ok
[INFO] [stdout] test generation::planar::tests::test_graph_generation_medium ... ok
[INFO] [stdout] test generation::planar::tests::test_graph_generation_small ... ok
[INFO] [stdout] test utils::convert::tests::isolated ... ok
[INFO] [stdout] test utils::convert::tests::single_edge ... ok
[INFO] [stdout] test utils::convert::tests::square ... ok
[INFO] [stdout] test utils::convert::tests::triangle ... ok
[INFO] [stdout] test utils::max_independent_set::tests::empty_set ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_four ... ok
[INFO] [stdout] test utils::max_independent_set::tests::single_edge ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_large_graph ... ok
[INFO] [stdout] test utils::min_vertex_cover::tests::isolated ... ok
[INFO] [stdout] test utils::min_vertex_cover::tests::single_edge ... ok
[INFO] [stdout] test embedding::maximal_planar::phase2::tests::triangle_embedding ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::min_vertex_cover_clique ... ok
[INFO] [stdout] test utils::single_face::tests::darts ... ok
[INFO] [stdout] test utils::single_face::tests::test ... ok
[INFO] [stdout] test utils::max_independent_set::tests::isolated ... ok
[INFO] [stdout] test algorithm::nice_tree_decomposition::tests::random ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::max_independent_set_random ... ok
[INFO] [stdout] test utils::max_independent_set::tests::clique ... ok
[INFO] [stdout] test algorithm::spantree::tests::single_vertex - should panic ... ok
[INFO] [stdout] test data_structure::dot_renderer::tests::circle ... FAILED
[INFO] [stdout] test utils::min_vertex_cover::tests::clique ... ok
[INFO] [stdout] test data_structure::dot_renderer::tests::test_two_vertices ... FAILED
[INFO] [stdout] test embedding::maximal_planar::index::tests::embedd_to_small - should panic ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::min_vertex_cover_random ... ok
[INFO] [stdout] test algorithm::ptas::tests::approximation_ratio ... ok
[INFO] [stdout] test algorithm::ptas::tests::max_independent_set_random ... ok
[INFO] [stdout] test algorithm::ptas::tests::min_vertex_cover_random ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- data_structure::dot_renderer::tests::circle stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'data_structure::dot_renderer::tests::circle' panicked at src/data_structure/dot_renderer.rs:66:48:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6284f87cdac2 - 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:     0x6284f87cdac2 - 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:     0x6284f87cdac2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6284f87cdac2 - <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:     0x6284f87f3703 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6284f87f3703 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x6284f87caca3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6284f87caca3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6284f87cd912 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6284f87cf02c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x6284f87cee82 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x6284f87436e4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x6284f87436e4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6284f87cfa0b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x6284f87cfa0b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x6284f87cf7da - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x6284f87cdfb9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x6284f87cf46d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x6284f87f1ee0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6284f87f22e6 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x6284f86c52c0 - core::result::Result<T,E>::unwrap::hcfaac3f17d0fbaac
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   21:     0x6284f86c52c0 - graph_algo_ptas::data_structure::dot_renderer::tests::circle::he3dbf6f9784f3a8d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:66:48
[INFO] [stdout]   22:     0x6284f86c8fa9 - graph_algo_ptas::data_structure::dot_renderer::tests::circle::{{closure}}::h528643dda84a66d5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:65:16
[INFO] [stdout]   23:     0x6284f86c8fa9 - core::ops::function::FnOnce::call_once::hadfee10655f9c700
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6284f8748e6b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6284f8748e6b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x6284f874805e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x6284f874805e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x6284f874805e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x6284f874805e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x6284f874805e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6284f874805e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x6284f874805e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x6284f870bbd4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x6284f870bbd4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x6284f870f5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x6284f870f5aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x6284f870f5aa - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x6284f870f5aa - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x6284f870f5aa - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6284f870f5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x6284f870f5aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6284f87d2967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x6284f87d2967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x6284f87d2967 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x72c512aa2aa4 - <unknown>
[INFO] [stdout]   46:     0x72c512b2fa34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- data_structure::dot_renderer::tests::test_two_vertices stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'data_structure::dot_renderer::tests::test_two_vertices' panicked at src/data_structure/dot_renderer.rs:55:54:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6284f87cdac2 - 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:     0x6284f87cdac2 - 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:     0x6284f87cdac2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6284f87cdac2 - <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:     0x6284f87f3703 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6284f87f3703 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x6284f87caca3 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6284f87caca3 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6284f87cd912 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6284f87cf02c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x6284f87cee82 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x6284f87436e4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x6284f87436e4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6284f87cfa0b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x6284f87cfa0b - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x6284f87cf7da - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x6284f87cdfb9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x6284f87cf46d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x6284f87f1ee0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6284f87f22e6 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x6284f86c5157 - core::result::Result<T,E>::unwrap::hcfaac3f17d0fbaac
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x6284f86c5157 - graph_algo_ptas::data_structure::dot_renderer::tests::test_two_vertices::ha971c85a745df78a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:55:54
[INFO] [stdout]   22:     0x6284f86c8f49 - graph_algo_ptas::data_structure::dot_renderer::tests::test_two_vertices::{{closure}}::h792d5b374e949ab2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:54:27
[INFO] [stdout]   23:     0x6284f86c8f49 - core::ops::function::FnOnce::call_once::hac2c99a1ebbc4a7f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6284f8748e6b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x6284f8748e6b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x6284f874805e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x6284f874805e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x6284f874805e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x6284f874805e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x6284f874805e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6284f874805e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x6284f874805e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x6284f870bbd4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x6284f870bbd4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x6284f870f5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x6284f870f5aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x6284f870f5aa - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x6284f870f5aa - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x6284f870f5aa - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x6284f870f5aa - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x6284f870f5aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6284f87d2967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x6284f87d2967 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x6284f87d2967 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x72c512aa2aa4 - <unknown>
[INFO] [stdout]   46:     0x72c512b2fa34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     data_structure::dot_renderer::tests::circle
[INFO] [stdout]     data_structure::dot_renderer::tests::test_two_vertices
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 111 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8f3b6ce255f1376d74abf0733a739f4574e31a50b3b099ef2ff8a110aece3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f3b6ce255f1376d74abf0733a739f4574e31a50b3b099ef2ff8a110aece3e6", kill_on_drop: false }`
[INFO] [stdout] f8f3b6ce255f1376d74abf0733a739f4574e31a50b3b099ef2ff8a110aece3e6
