[INFO] cloning repository https://github.com/lcnbr/linnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lcnbr/linnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnbr%2Flinnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnbr%2Flinnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a0d533484e528c7aac73c3ed3860740465784a3
[INFO] testing lcnbr/linnet against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcnbr%2Flinnet" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/lcnbr/linnet
[INFO] finished tweaking git repo https://github.com/lcnbr/linnet
[INFO] tweaked toml for git repo https://github.com/lcnbr/linnet written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lcnbr/linnet on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lcnbr/linnet 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ddba9396916982a2c535956c2e814fefe6a06682268e342636f88b3d3b24dfd
[INFO] running `Command { std: "docker" "start" "-a" "3ddba9396916982a2c535956c2e814fefe6a06682268e342636f88b3d3b24dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ddba9396916982a2c535956c2e814fefe6a06682268e342636f88b3d3b24dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ddba9396916982a2c535956c2e814fefe6a06682268e342636f88b3d3b24dfd", kill_on_drop: false }`
[INFO] [stdout] 3ddba9396916982a2c535956c2e814fefe6a06682268e342636f88b3d3b24dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7488ed22a3fa19f3572ed4adad458c609f5c4b35c48b27c27dfcdb8bd1d83e6
[INFO] running `Command { std: "docker" "start" "-a" "c7488ed22a3fa19f3572ed4adad458c609f5c4b35c48b27c27dfcdb8bd1d83e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling ref-ops v0.2.5
[INFO] [stderr]    Compiling kurbo v0.11.1
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling piet v0.7.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling derive_more v0.99.19
[INFO] [stderr]    Compiling duplicate v2.0.0
[INFO] [stderr]    Compiling bincode-trait-derive v0.1.1
[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]    Compiling dot-parser v0.5.1
[INFO] [stderr]    Compiling linnet v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1968:17
[INFO] [stdout]      |
[INFO] [stdout] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1972:21
[INFO] [stdout]      |
[INFO] [stdout] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<E> {
[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] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<'_, E> {
[INFO] [stdout]      |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "c7488ed22a3fa19f3572ed4adad458c609f5c4b35c48b27c27dfcdb8bd1d83e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7488ed22a3fa19f3572ed4adad458c609f5c4b35c48b27c27dfcdb8bd1d83e6", kill_on_drop: false }`
[INFO] [stdout] c7488ed22a3fa19f3572ed4adad458c609f5c4b35c48b27c27dfcdb8bd1d83e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f34fdf07270bfcdc377d6f4668956d8e456b6c22b60d7f90f89e760edf4eca1
[INFO] running `Command { std: "docker" "start" "-a" "6f34fdf07270bfcdc377d6f4668956d8e456b6c22b60d7f90f89e760edf4eca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling serde v1.0.225
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling iai-callgrind-runner v0.14.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling iai-callgrind v0.14.0
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling similar-asserts v1.7.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.6.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.225
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling derive_more v0.99.19
[INFO] [stderr]    Compiling bincode-trait-derive v0.1.1
[INFO] [stderr]    Compiling duplicate v2.0.0
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]    Compiling pest_generator v2.8.0
[INFO] [stderr]    Compiling ron v0.7.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling insta v1.43.0
[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]    Compiling dot-parser v0.5.1
[INFO] [stderr]    Compiling iai-callgrind-macros v0.5.0
[INFO] [stderr]    Compiling linnet v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1968:17
[INFO] [stdout]      |
[INFO] [stdout] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1972:21
[INFO] [stdout]      |
[INFO] [stdout] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<E> {
[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] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<'_, E> {
[INFO] [stdout]      |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1968:17
[INFO] [stdout]      |
[INFO] [stdout] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1972:21
[INFO] [stdout]      |
[INFO] [stdout] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<E> {
[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] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<'_, E> {
[INFO] [stdout]      |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3m 17s
[INFO] running `Command { std: "docker" "inspect" "6f34fdf07270bfcdc377d6f4668956d8e456b6c22b60d7f90f89e760edf4eca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f34fdf07270bfcdc377d6f4668956d8e456b6c22b60d7f90f89e760edf4eca1", kill_on_drop: false }`
[INFO] [stdout] 6f34fdf07270bfcdc377d6f4668956d8e456b6c22b60d7f90f89e760edf4eca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f94b226e4ef744bbf71493baa863f6ceb6279c4089ccbf8f5cc023b22a0367c3
[INFO] running `Command { std: "docker" "start" "-a" "f94b226e4ef744bbf71493baa863f6ceb6279c4089ccbf8f5cc023b22a0367c3", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]     --> src/half_edge/involution.rs:1968:17
[INFO] [stderr]      |
[INFO] [stderr] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stderr]      |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]     --> src/half_edge/involution.rs:1972:21
[INFO] [stderr]      |
[INFO] [stderr] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<E> {
[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] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<'_, E> {
[INFO] [stderr]      |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `linnet` (lib) generated 2 warnings
[INFO] [stderr] warning: `linnet` (lib test) generated 2 warnings (2 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/linnet-7cf06af29fb5ae67)
[INFO] [stdout] 
[INFO] [stdout] running 99 tests
[INFO] [stdout] test half_edge::involution::test::invextract ... ok
[INFO] [stdout] test half_edge::nodestore::test::extract_buggy ... ok
[INFO] [stdout] test half_edge::nodestore::test::extract_forest ... ok
[INFO] [stdout] test half_edge::nodestore::test::orientation_hedges ... ok
[INFO] [stdout] test half_edge::nodestore::test::extact_single_dangling ... ok
[INFO] [stdout] test half_edge::nodestore::test::extract_normal ... ok
[INFO] [stdout] test half_edge::swap::test::swap ... ok
[INFO] [stdout] test half_edge::test_graphs::test_coxeter ... ok
[INFO] [stdout] test half_edge::test_graphs::test_petersen ... ok
[INFO] [stdout] test half_edge::test_graphs::test_mobius_ladder_6 ... ok
[INFO] [stdout] test half_edge::tests::alt_vs_pair ... ignored
[INFO] [stdout] test half_edge::tests::K33 ... ok
[INFO] [stdout] test half_edge::test_graphs::test_complete_5 ... ok
[INFO] [stdout] test half_edge::tests::banana_cuts ... ok
[INFO] [stdout] test half_edge::tests::box_all_cuts_multiple ... ok
[INFO] [stdout] test half_edge::tests::cycle_basis ... ok
[INFO] [stdout] test half_edge::test_graphs::test_cycle_5 ... ok
[INFO] [stdout] test half_edge::tests::double_pentagon_all_cuts ... ok
[INFO] [stdout] test half_edge::tests::double_self_loop ... ok
[INFO] [stdout] test half_edge::tests::double_triangle ... ok
[INFO] [stdout] test half_edge::tests::doubletriangle ... ok
[INFO] [stdout] test half_edge::tests::extract_nodes ... ok
[INFO] [stdout] test half_edge::tests::test_spanning_trees_of_tree ... ok
[INFO] [stdout] test parser::multi::multiple ... ok
[INFO] [stdout] test half_edge::tree::tests::double_pentagon_tree ... ok
[INFO] [stdout] test half_edge::tests::self_energy_cut ... ok
[INFO] [stdout] test half_edge::test_graphs::test_flower_4 ... ok
[INFO] [stdout] test half_edge::tests::three_loop_fly ... ok
[INFO] [stdout] test parser::test::test_from_string ... ok
[INFO] [stdout] test parser::test::subgraph ... ok
[INFO] [stdout] test half_edge::tests::join_mut_simple ... ok
[INFO] [stdout] test parser::test::orientations ... ok
[INFO] [stdout] test parser::test::underlying_alignment ... ok
[INFO] [stdout] test half_edge::tests::petersen ... ok
[INFO] [stdout] test parser::test::multiple_graphs ... ok
[INFO] [stdout] test parser::test::test_macro ... ok
[INFO] [stdout] test permutation::swaps_optimality_tests::from_mappings_is_swaps_optimal_on_counterexample ... ok
[INFO] [stdout] test permutation::swaps_optimality_tests::from_mappings_exhaustive_small_n ... ok
[INFO] [stdout] test permutation::swaps_optimality_tests::from_mappings_rejects_conflicts ... ok
[INFO] [stdout] test permutation::swaps_optimality_tests::from_mappings_user_case_is_swaps_optimal ... ok
[INFO] [stdout] test permutation::tests::cycle_permutation ... ok
[INFO] [stdout] test permutation::tests::test_apply_in_place_inverse_relation ... ok
[INFO] [stdout] test permutation::tests::test_apply_equivalence_random_data ... ok
[INFO] [stdout] test permutation::swaps_optimality_tests::from_mappings_handles_long_forced_chains_optimally ... ok
[INFO] [stdout] test permutation::tests::test_apply_slice ... ok
[INFO] [stdout] test permutation::tests::test_apply_slice_in_place ... ok
[INFO] [stdout] test permutation::tests::test_apply_in_place_same_as_ref ... ok
[INFO] [stdout] test permutation::tests::generate_all ... ok
[INFO] [stdout] test permutation::swaps_optimality_tests::from_mappings_preserves_zero_swaps_when_possible ... ok
[INFO] [stdout] test permutation::tests::cyclic_doubled_triangle ... ok
[INFO] [stdout] test half_edge::tests::tadpoles ... ok
[INFO] [stdout] test half_edge::tests::wagner_graph ... ok
[INFO] [stdout] test permutation::tests::test_apply_slice_in_place_inv ... ok
[INFO] [stdout] test permutation::tests::test_apply_slice_inv ... ok
[INFO] [stdout] test permutation::tests::test_compose ... ok
[INFO] [stdout] test permutation::tests::test_cycle_composition_both_orders ... ok
[INFO] [stdout] test permutation::tests::test_cycle_composition_properties ... ok
[INFO] [stdout] test permutation::tests::test_default_order ... ok
[INFO] [stdout] test permutation::tests::test_cycle_to_transpositions ... ok
[INFO] [stdout] test permutation::tests::test_disjoint_cycles_order_invariant ... ok
[INFO] [stdout] test permutation::tests::test_find_cycles ... ok
[INFO] [stdout] test permutation::swaps_optimality_tests::from_mappings_extends_forced_2cycle_optimally ... ok
[INFO] [stdout] test half_edge::tests::join ... ok
[INFO] [stdout] test half_edge::tests::cube ... ok
[INFO] [stdout] test half_edge::tests::hairythreeloop ... ok
[INFO] [stdout] test half_edge::tests::threeloop ... ok
[INFO] [stdout] test half_edge::tests::extracting_network ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_inv_concrete_type_properties ... ok
[INFO] [stdout] test permutation::tests::test_from_cycles ... ok
[INFO] [stdout] test permutation::tests::test_myrvold_ruskey_rank1 ... ok
[INFO] [stdout] test permutation::tests::test_from_cycles_ordered ... ok
[INFO] [stdout] test permutation::tests::test_from_disjoint_cycles ... ok
[INFO] [stdout] test permutation::tests::test_from_mappings ... ok
[INFO] [stdout] test permutation::tests::test_is_identity ... ok
[INFO] [stdout] test permutation::tests::test_from_mappings_user_example ... ok
[INFO] [stdout] test permutation::tests::test_from_mappings_complex ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_concrete_type_properties ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice ... ok
[INFO] [stdout] test permutation::tests::test_myrvold_ruskey_rank2 ... ok
[INFO] [stdout] test permutation::tests::test_permute_double_triangle ... ok
[INFO] [stdout] test permutation::tests::test_permute_graph ... ok
[INFO] [stdout] test permutation::tests::test_sign ... ok
[INFO] [stdout] test permutation::tests::test_permute_graph_double_edges ... ok
[INFO] [stdout] test permutation::tests::test_sort_inverse ... ok
[INFO] [stdout] test permutation::tests::test_pow ... ok
[INFO] [stdout] test permutation::tests::test_transpositions ... ok
[INFO] [stdout] test permutation::tests::test_sort ... ok
[INFO] [stdout] test permutation::tests::test_validate_with_sort ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_inv ... ok
[INFO] [stdout] test permutation::tests::triple_loop_two_nodes ... ok
[INFO] [stdout] test tree::child_pointer::test::create ... ok
[INFO] [stdout] test tree::child_vec::test::swap ... ok
[INFO] [stdout] test tree::parent_pointer::test::reroot ... ok
[INFO] [stdout] test union_find::test::test_basic_union_find ... ok
[INFO] [stdout] test union_find::test::test_path_compression ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_panic_too_short - should panic ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_panic_map_idx_out_of_bounds - should panic ... ok
[INFO] [stdout] test drawing::test::helix ... FAILED
[INFO] [stdout] test half_edge::tests::flower_snark ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- drawing::test::helix stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'drawing::test::helix' panicked at src/drawing.rs:88:51:
[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:     0x62c4adc051d2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62c4adc051d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62c4adc051d2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62c4adc051d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62c4adc2db63 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62c4adc2db63 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x62c4adc011a3 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62c4adc011a3 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62c4adc05022 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62c4adc06a7c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x62c4adc068d2 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x62c4adb2baa4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x62c4adb2baa4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62c4adc0745b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x62c4adc0745b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x62c4adc0722a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x62c4adc056c9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x62c4adc06ebd - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x62c4adc2b700 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x62c4adc2baa6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   20:     0x62c4ada39007 - core::result::Result<T,E>::unwrap::h69ed84dc03a21759
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x62c4ada39007 - linnet::drawing::test::helix::h139b005b9fc6dc60
[INFO] [stdout]                                at /opt/rustwide/workdir/src/drawing.rs:88:51
[INFO] [stdout]   22:     0x62c4adae2769 - linnet::drawing::test::helix::{{closure}}::h47d6589d71eadb0c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/drawing.rs:35:15
[INFO] [stdout]   23:     0x62c4adae2769 - core::ops::function::FnOnce::call_once::he756bf28f3927407
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62c4adb311db - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x62c4adb311db - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x62c4adb3041e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x62c4adb3041e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x62c4adb3041e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x62c4adb3041e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x62c4adb3041e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x62c4adb3041e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x62c4adb3041e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x62c4adaf3fc4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x62c4adaf3fc4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x62c4adaf796a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x62c4adaf796a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x62c4adaf796a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x62c4adaf796a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x62c4adaf796a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x62c4adaf796a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x62c4adaf796a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x62c4adc0a447 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x62c4adc0a447 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x62c4adc0a447 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x77e6b041daa4 - <unknown>
[INFO] [stdout]   46:     0x77e6b04aaa34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     drawing::test::helix
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 97 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 5.59s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "f94b226e4ef744bbf71493baa863f6ceb6279c4089ccbf8f5cc023b22a0367c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f94b226e4ef744bbf71493baa863f6ceb6279c4089ccbf8f5cc023b22a0367c3", kill_on_drop: false }`
[INFO] [stdout] f94b226e4ef744bbf71493baa863f6ceb6279c4089ccbf8f5cc023b22a0367c3
