[INFO] fetching crate graph-algo-ptas 0.1.0...
[INFO] testing graph-algo-ptas-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate graph-algo-ptas 0.1.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate graph-algo-ptas 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c97ad934f37b91f6e46b1451893992617146ef070c68426af96da3bca2368a99
[INFO] running `Command { std: "docker" "start" "-a" "c97ad934f37b91f6e46b1451893992617146ef070c68426af96da3bca2368a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c97ad934f37b91f6e46b1451893992617146ef070c68426af96da3bca2368a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97ad934f37b91f6e46b1451893992617146ef070c68426af96da3bca2368a99", kill_on_drop: false }`
[INFO] [stdout] c97ad934f37b91f6e46b1451893992617146ef070c68426af96da3bca2368a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5976c3b36384e9d2584d080f8c995f9560024f64288fb8d0541d3dd4d0e163a
[INFO] running `Command { std: "docker" "start" "-a" "b5976c3b36384e9d2584d080f8c995f9560024f64288fb8d0541d3dd4d0e163a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling wyz v0.5.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling arboretum-td v0.1.0
[INFO] [stderr]    Compiling graph-algo-ptas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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 10.66s
[INFO] running `Command { std: "docker" "inspect" "b5976c3b36384e9d2584d080f8c995f9560024f64288fb8d0541d3dd4d0e163a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5976c3b36384e9d2584d080f8c995f9560024f64288fb8d0541d3dd4d0e163a", kill_on_drop: false }`
[INFO] [stdout] b5976c3b36384e9d2584d080f8c995f9560024f64288fb8d0541d3dd4d0e163a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06b3fc4b255b355a2da870b88b944d080b8ba8fca9edba7f3c37d19c38f908b3
[INFO] running `Command { std: "docker" "start" "-a" "06b3fc4b255b355a2da870b88b944d080b8ba8fca9edba7f3c37d19c38f908b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling once_cell v1.13.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling plotters-svg v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling plotters v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[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 rand v0.8.5
[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 csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling graph-algo-ptas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(dcel: &mut LinkGraph) -> Phase2<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type 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 22.30s
[INFO] running `Command { std: "docker" "inspect" "06b3fc4b255b355a2da870b88b944d080b8ba8fca9edba7f3c37d19c38f908b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b3fc4b255b355a2da870b88b944d080b8ba8fca9edba7f3c37d19c38f908b3", kill_on_drop: false }`
[INFO] [stdout] 06b3fc4b255b355a2da870b88b944d080b8ba8fca9edba7f3c37d19c38f908b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfa534c9833b386b607dcb34a37fc15807e78759f4719467be5765c96d7f6769
[INFO] running `Command { std: "docker" "start" "-a" "dfa534c9833b386b607dcb34a37fc15807e78759f4719467be5765c96d7f6769", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 185 |     pub fn node_indexes(&self) -> NodeIndexIter<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn edge_indexes(&self) -> EdgeIndexIter<'_> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 same lifetime is hidden here
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type 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 (run `cargo fix --lib -p graph-algo-ptas` to apply 3 suggestions)
[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)]` (part of `#[warn(unused)]`) 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 0.28s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/graph_algo_ptas-8d5af51931972bca)
[INFO] [stdout] 
[INFO] [stdout] running 113 tests
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::large_bit_vec ... ok
[INFO] [stdout] test algorithm::dualgraph::tests::triangle ... ok
[INFO] [stdout] test algorithm::dualgraph::tests::single_edge ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::remapping ... ok
[INFO] [stdout] test algorithm::leveling::tests::test ... ok
[INFO] [stdout] test algorithm::leveling::tests::two_triangle ... ok
[INFO] [stdout] test algorithm::nice_tree_decomposition::tests::two_bags_with_multiple_vertices ... ok
[INFO] [stdout] test algorithm::nice_tree_decomposition::tests::single_bag_with_multiple_vertices ... ok
[INFO] [stdout] test algorithm::leveling::tests::rings ... ok
[INFO] [stdout] test algorithm::ptas::tests::max_independent_set_single_vertex ... ok
[INFO] [stdout] test algorithm::ptas::tests::min_vertex_cover_single_vertex ... ok
[INFO] [stdout] test algorithm::spantree::tests::quad ... ok
[INFO] [stdout] test algorithm::ptas::tests::max_independent_set_single_edge ... ok
[INFO] [stdout] test algorithm::spantree::tests::single_edge ... ok
[INFO] [stdout] test algorithm::ptas::tests::min_vertex_cover_single_edge ... ok
[INFO] [stdout] test algorithm::nice_tree_decomposition::tests::single_bag_with_1_vertex ... ok
[INFO] [stdout] test algorithm::tree_decomposition::tests::single_edge ... ok
[INFO] [stdout] test algorithm::triangulation::tests::outgoing_edge ... ok
[INFO] [stdout] test algorithm::tree_decomposition::tests::triangle ... ok
[INFO] [stdout] test algorithm::spantree::tests::triangle ... ok
[INFO] [stdout] test algorithm::triangulation::tests::single_edge ... ok
[INFO] [stdout] test algorithm::leveling::tests::triangle ... ok
[INFO] [stdout] test algorithm::leveling::tests::three_triangle ... ok
[INFO] [stdout] test data_structure::link_graph::example::test::validate_three_ring_graph ... ok
[INFO] [stdout] test algorithm::triangulation::tests::three_edges ... ok
[INFO] [stdout] test data_structure::link_graph::tests::cmp_test ... ok
[INFO] [stdout] test data_structure::link_graph::tests::dart_count ... 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::face_count ... ok
[INFO] [stdout] test data_structure::link_graph::tests::face_vertex_count ... 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 data_structure::link_graph::tests::neighbors_count ... ok
[INFO] [stdout] test data_structure::link_graph::tests::neighbors_single_edge ... ok
[INFO] [stdout] test data_structure::link_graph::tests::neighbors_triangle ... 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::list_graph::tests::from_edge_node_list_test ... 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::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_middle_reverse ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_none ... ok
[INFO] [stdout] test data_structure::link_graph::tests::test_remove_edge_from_complex_graph ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_add_ordered_edge_start ... 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_add_ordered_edge_start_reverse ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_counts ... 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_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_ordered_re_add_different_position ... 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_to_pet_graph ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_four ... ok
[INFO] [stdout] test data_structure::list_graph::tests::test_list_graph_ordered_double_add_wit_after ... 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_one ... 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 ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_two_inner_darts ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::min_vertex_cover_isolated ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_k4_graph ... ok
[INFO] [stdout] test data_structure::ring_segment::test::test_ring_two_outer_darts ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_min_graph ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_small_graph ... ok
[INFO] [stdout] test algorithm::triangulation::tests::single_face ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embedd_triangle_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 embedding::maximal_planar::phase2::tests::triangle_embedding ... 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 algorithm::dynamic_programming::solve::tests::max_independent_set_isolated ... ok
[INFO] [stdout] test generation::planar::tests::test_graph_generation_min ... 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 generation::planar::tests::test_graph_generation_medium ... ok
[INFO] [stdout] test utils::max_independent_set::tests::empty_set ... ok
[INFO] [stdout] test utils::max_independent_set::tests::isolated ... ok
[INFO] [stdout] test utils::max_independent_set::tests::single_edge ... 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::single_edge ... ok
[INFO] [stdout] test utils::min_vertex_cover::tests::isolated ... ok
[INFO] [stdout] test utils::single_face::tests::test ... 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 embedding::maximal_planar::index::tests::embed_medium_graph ... ok
[INFO] [stdout] test utils::single_face::tests::darts ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::min_vertex_cover_clique ... ok
[INFO] [stdout] test embedding::maximal_planar::index::tests::embed_large_graph ... 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 algorithm::dynamic_programming::solve::tests::max_independent_set_clique ... ok
[INFO] [stdout] test utils::max_independent_set::tests::clique ... ok
[INFO] [stdout] test utils::min_vertex_cover::tests::clique ... ok
[INFO] [stdout] test algorithm::ptas::tests::approximation_ratio ... ok
[INFO] [stdout] test algorithm::dynamic_programming::solve::tests::min_vertex_cover_random ... 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' (60) 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:     0x62edb52eb172 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62edb52eb172 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62edb52eb172 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62edb52eb172 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62edb52fbcff - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62edb52fbcff - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x62edb52b85d1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62edb52b85d1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62edb52c4632 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62edb52c91df - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x62edb52c9071 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x62edb51af2ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x62edb51af2ee - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62edb52c989f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x62edb52c989f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x62edb52c96fa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x62edb52c4769 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x62edb52acaad - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x62edb5303d10 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x62edb53032f6 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x62edb5137ab1 - core::result::Result<T,E>::unwrap::hc2aaffd9122b898a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x62edb5137ab1 - graph_algo_ptas::data_structure::dot_renderer::tests::circle::h4e6f5d7d6a8557bc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:66:48
[INFO] [stdout]   22:     0x62edb5137ca7 - graph_algo_ptas::data_structure::dot_renderer::tests::circle::{{closure}}::h4c0b9c57fe3f1beb
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:65:16
[INFO] [stdout]   23:     0x62edb513b066 - core::ops::function::FnOnce::call_once::h7b4c183634598e0a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62edb51af0ab - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x62edb51af0ab - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x62edb51c4d15 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x62edb51c4d15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x62edb51c4d15 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x62edb51c4d15 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x62edb51c4d15 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x62edb51c4d15 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x62edb51c4d15 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x62edb519b504 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x62edb519b504 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x62edb519edca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x62edb519edca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x62edb519edca - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x62edb519edca - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x62edb519edca - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x62edb519edca - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x62edb519edca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x62edb52bf8cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x62edb52bf8cf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x774d25b0caa4 - <unknown>
[INFO] [stdout]   45:     0x774d25b99a34 - clone
[INFO] [stdout]   46:                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' (61) 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:     0x62edb52eb172 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62edb52eb172 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62edb52eb172 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62edb52eb172 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62edb52fbcff - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62edb52fbcff - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x62edb52b85d1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62edb52b85d1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62edb52c4632 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62edb52c91df - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x62edb52c9071 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x62edb51af2ee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x62edb51af2ee - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62edb52c989f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x62edb52c989f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x62edb52c96fa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x62edb52c4769 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x62edb52acaad - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x62edb5303d10 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x62edb53032f6 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x62edb51377e1 - core::result::Result<T,E>::unwrap::hc2aaffd9122b898a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x62edb51377e1 - graph_algo_ptas::data_structure::dot_renderer::tests::test_two_vertices::h60dd4e7be72ebe9c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:55:54
[INFO] [stdout]   22:     0x62edb5137a37 - graph_algo_ptas::data_structure::dot_renderer::tests::test_two_vertices::{{closure}}::hbe2989f0be46b520
[INFO] [stdout]                                at /opt/rustwide/workdir/src/data_structure/dot_renderer.rs:54:27
[INFO] [stdout]   23:     0x62edb5139946 - core::ops::function::FnOnce::call_once::h0235cc1a44ab7070
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62edb51af0ab - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x62edb51af0ab - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x62edb51c4d15 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x62edb51c4d15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x62edb51c4d15 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x62edb51c4d15 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x62edb51c4d15 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x62edb51c4d15 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x62edb51c4d15 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x62edb519b504 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x62edb519b504 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x62edb519edca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x62edb519edca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x62edb519edca - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x62edb519edca - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x62edb519edca - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x62edb519edca - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x62edb519edca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x62edb52bf8cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x62edb52bf8cf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x774d25b0caa4 - <unknown>
[INFO] [stdout]   45:     0x774d25b99a34 - clone
[INFO] [stdout]   46:                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 3.10s
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfa534c9833b386b607dcb34a37fc15807e78759f4719467be5765c96d7f6769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa534c9833b386b607dcb34a37fc15807e78759f4719467be5765c96d7f6769", kill_on_drop: false }`
[INFO] [stdout] dfa534c9833b386b607dcb34a37fc15807e78759f4719467be5765c96d7f6769
