[INFO] fetching crate linnet 0.12.0...
[INFO] testing linnet-0.12.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate linnet 0.12.0 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate linnet 0.12.0
[INFO] finished tweaking crates.io crate linnet 0.12.0
[INFO] tweaked toml for crates.io crate linnet 0.12.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linnet 0.12.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linnet 0.12.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "a0c3d97780fdfb4ebd6ba6b550c0337af6c0d5748ab40b929dd359c0101138f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0c3d97780fdfb4ebd6ba6b550c0337af6c0d5748ab40b929dd359c0101138f6", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9d4ce218bd18cd4a1e266019c48121b515f53491d8000e357c3b4b978290b3
[INFO] running `Command { std: "docker" "start" "-a" "6b9d4ce218bd18cd4a1e266019c48121b515f53491d8000e357c3b4b978290b3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling insta v1.43.0
[INFO] [stderr]    Compiling linnet v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/half_edge/involution.rs:2018:27
[INFO] [stdout]      |
[INFO] [stdout] 2018 |             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stdout]      |                           ^                                            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2018 -             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stdout] 2018 +             .map(|(h, e)| e.map_data_option(g.clone()).map(|e| (h, e)))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HedgeNodeStore` is never constructed
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct HedgeNodeStore<V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnionFindNodeStore` is never constructed
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct UnionFindNodeStore<V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `root_hedge` is never used
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl<V> UnionFindNodeStore<V> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] 95 |     fn root_hedge(&self, node: NodeIndex) -> Hedge {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1968:17
[INFO] [stdout]      |
[INFO] [stdout] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 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] 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 37.91s
[INFO] running `Command { std: "docker" "inspect" "6b9d4ce218bd18cd4a1e266019c48121b515f53491d8000e357c3b4b978290b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9d4ce218bd18cd4a1e266019c48121b515f53491d8000e357c3b4b978290b3", kill_on_drop: false }`
[INFO] [stdout] 6b9d4ce218bd18cd4a1e266019c48121b515f53491d8000e357c3b4b978290b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b5a499ee37d621a9c4d9b6f9a7d8ad3d6c47c51cedd12aa1a942d1b2aecd7d5
[INFO] running `Command { std: "docker" "start" "-a" "2b5a499ee37d621a9c4d9b6f9a7d8ad3d6c47c51cedd12aa1a942d1b2aecd7d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling iai-callgrind-runner v0.14.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling iai-callgrind v0.14.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[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 derive_more v1.0.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]    Compiling pest_meta v2.8.0
[INFO] [stderr]    Compiling serde v1.0.219
[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 ron v0.7.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling insta v1.43.0
[INFO] [stderr]    Compiling iai-callgrind-macros v0.5.0
[INFO] [stderr]    Compiling linnet v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/half_edge/involution.rs:2018:27
[INFO] [stdout]      |
[INFO] [stdout] 2018 |             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stdout]      |                           ^                                            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2018 -             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stdout] 2018 +             .map(|(h, e)| e.map_data_option(g.clone()).map(|e| (h, e)))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/half_edge/involution.rs:2018:27
[INFO] [stdout]      |
[INFO] [stdout] 2018 |             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stdout]      |                           ^                                            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2018 -             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stdout] 2018 +             .map(|(h, e)| e.map_data_option(g.clone()).map(|e| (h, e)))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HedgeNodeStore` is never constructed
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct HedgeNodeStore<V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnionFindNodeStore` is never constructed
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct UnionFindNodeStore<V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `root_hedge` is never used
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl<V> UnionFindNodeStore<V> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] 95 |     fn root_hedge(&self, node: NodeIndex) -> Hedge {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1968:17
[INFO] [stdout]      |
[INFO] [stdout] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 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] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<'_, E> {
[INFO] [stdout]      |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HedgeNodeStore` is never constructed
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct HedgeNodeStore<V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnionFindNodeStore` is never constructed
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct UnionFindNodeStore<V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `root_hedge` is never used
[INFO] [stdout]   --> src/half_edge/nodestore/bitvec_find.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl<V> UnionFindNodeStore<V> {
[INFO] [stdout]    | ----------------------------- method in this implementation
[INFO] [stdout] 95 |     fn root_hedge(&self, node: NodeIndex) -> Hedge {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/half_edge/involution.rs:1968:17
[INFO] [stdout]      |
[INFO] [stdout] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stdout]      |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 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] 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 26.76s
[INFO] running `Command { std: "docker" "inspect" "2b5a499ee37d621a9c4d9b6f9a7d8ad3d6c47c51cedd12aa1a942d1b2aecd7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5a499ee37d621a9c4d9b6f9a7d8ad3d6c47c51cedd12aa1a942d1b2aecd7d5", kill_on_drop: false }`
[INFO] [stdout] 2b5a499ee37d621a9c4d9b6f9a7d8ad3d6c47c51cedd12aa1a942d1b2aecd7d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e262aae5d925910799f0ff259d875dd487c056d1738e2aef91058591109f320e
[INFO] running `Command { std: "docker" "start" "-a" "e262aae5d925910799f0ff259d875dd487c056d1738e2aef91058591109f320e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/half_edge/involution.rs:2018:27
[INFO] [stderr]      |
[INFO] [stderr] 2018 |             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stderr]      |                           ^                                            ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2018 -             .map(|(h, e)| (e.map_data_option(g.clone()).map(|e| (h, e))))
[INFO] [stderr] 2018 +             .map(|(h, e)| e.map_data_option(g.clone()).map(|e| (h, e)))
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HedgeNodeStore` is never constructed
[INFO] [stderr]   --> src/half_edge/nodestore/bitvec_find.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub struct HedgeNodeStore<V> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UnionFindNodeStore` is never constructed
[INFO] [stderr]   --> src/half_edge/nodestore/bitvec_find.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct UnionFindNodeStore<V> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `root_hedge` is never used
[INFO] [stderr]   --> src/half_edge/nodestore/bitvec_find.rs:95:8
[INFO] [stderr]    |
[INFO] [stderr] 94 | impl<V> UnionFindNodeStore<V> {
[INFO] [stderr]    | ----------------------------- method in this implementation
[INFO] [stderr] 95 |     fn root_hedge(&self, node: NodeIndex) -> Hedge {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/half_edge/involution.rs:1968:17
[INFO] [stderr]      |
[INFO] [stderr] 1968 |     pub fn iter(&self) -> InvolutionIter<E> {
[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] 1968 |     pub fn iter(&self) -> InvolutionIter<'_, E> {
[INFO] [stderr]      |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is 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 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] 1972 |     pub fn iter_mut(&mut self) -> InvolutionIterMut<'_, E> {
[INFO] [stderr]      |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `linnet` (lib) generated 6 warnings (run `cargo fix --lib -p linnet` to apply 1 suggestion)
[INFO] [stderr] warning: `linnet` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linnet-383a2a07c17b5a7d)
[INFO] [stdout] 
[INFO] [stdout] running 89 tests
[INFO] [stdout] test half_edge::involution::test::invextract ... ok
[INFO] [stdout] test half_edge::nodestore::test::extact_single_dangling ... ok
[INFO] [stdout] test half_edge::swap::test::swap ... ok
[INFO] [stdout] test half_edge::nodestore::test::extract_buggy ... ok
[INFO] [stdout] test half_edge::nodestore::test::orientation_hedges ... ok
[INFO] [stdout] test half_edge::nodestore::test::extract_forest ... ok
[INFO] [stdout] test half_edge::test_graphs::test_flower_4 ... ok
[INFO] [stdout] test half_edge::test_graphs::test_cycle_5 ... ok
[INFO] [stdout] test half_edge::nodestore::test::extract_normal ... ok
[INFO] [stdout] test half_edge::tests::alt_vs_pair ... ignored
[INFO] [stdout] test half_edge::test_graphs::test_mobius_ladder_6 ... ok
[INFO] [stdout] test half_edge::test_graphs::test_coxeter ... ok
[INFO] [stdout] test half_edge::tests::extract_nodes ... ok
[INFO] [stdout] test half_edge::tests::banana_cuts ... ok
[INFO] [stdout] test half_edge::tests::K33 ... ok
[INFO] [stdout] test half_edge::tests::doubletriangle ... ok
[INFO] [stdout] test half_edge::tests::cycle_basis ... 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::test_graphs::test_petersen ... ok
[INFO] [stdout] test half_edge::tests::test_spanning_trees_of_tree ... ok
[INFO] [stdout] test half_edge::tests::tadpoles ... ok
[INFO] [stdout] test half_edge::tests::join_mut_simple ... ok
[INFO] [stdout] test half_edge::tests::self_energy_cut ... ok
[INFO] [stdout] test half_edge::tree::tests::double_pentagon_tree ... ok
[INFO] [stdout] test half_edge::tests::three_loop_fly ... ok
[INFO] [stdout] test parser::test::subgraph ... ok
[INFO] [stdout] test parser::test::orientations ... ok
[INFO] [stdout] test parser::multi::multiple ... ok
[INFO] [stdout] test parser::test::test_from_string ... ok
[INFO] [stdout] test half_edge::tests::box_all_cuts_multiple ... ok
[INFO] [stdout] test half_edge::tests::join ... ok
[INFO] [stdout] test parser::test::multiple_graphs ... ok
[INFO] [stdout] test half_edge::tests::hairythreeloop ... ok
[INFO] [stdout] test half_edge::tests::threeloop ... ok
[INFO] [stdout] test half_edge::test_graphs::test_complete_5 ... ok
[INFO] [stdout] test half_edge::tests::cube ... ok
[INFO] [stdout] test permutation::tests::cycle_permutation ... ok
[INFO] [stdout] test parser::test::underlying_alignment ... ok
[INFO] [stdout] test parser::test::test_macro ... ok
[INFO] [stdout] test permutation::tests::test_apply_in_place_inverse_relation ... ok
[INFO] [stdout] test permutation::tests::test_apply_in_place_same_as_ref ... ok
[INFO] [stdout] test permutation::tests::test_apply_slice_in_place ... ok
[INFO] [stdout] test permutation::tests::test_apply_slice_inv ... 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::generate_all ... ok
[INFO] [stdout] test permutation::tests::test_apply_equivalence_random_data ... ok
[INFO] [stdout] test permutation::tests::cyclic_doubled_triangle ... ok
[INFO] [stdout] test permutation::tests::test_default_order ... 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::tests::test_apply_slice_in_place_inv ... ok
[INFO] [stdout] test permutation::tests::test_from_cycles ... ok
[INFO] [stdout] test permutation::tests::test_compose ... ok
[INFO] [stdout] test permutation::tests::test_apply_slice ... ok
[INFO] [stdout] test permutation::tests::test_cycle_to_transpositions ... ok
[INFO] [stdout] test permutation::tests::test_from_cycles_ordered ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_concrete_type_properties ... ok
[INFO] [stdout] test permutation::tests::test_from_disjoint_cycles ... ok
[INFO] [stdout] test permutation::tests::test_is_identity ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_inv ... ok
[INFO] [stdout] test permutation::tests::test_myrvold_ruskey_rank2 ... ok
[INFO] [stdout] test permutation::tests::test_sign ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_inv_concrete_type_properties ... ok
[INFO] [stdout] test permutation::tests::test_myrvold_ruskey_rank1 ... ok
[INFO] [stdout] test permutation::tests::test_pow ... ok
[INFO] [stdout] test permutation::tests::test_permute_graph ... ok
[INFO] [stdout] test permutation::tests::test_permute_double_triangle ... ok
[INFO] [stdout] test permutation::tests::test_sort ... ok
[INFO] [stdout] test permutation::tests::test_sort_inverse ... ok
[INFO] [stdout] test permutation::tests::test_validate_with_sort ... 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::triple_loop_two_nodes ... ok
[INFO] [stdout] test tree::child_pointer::test::create ... ok
[INFO] [stdout] test permutation::tests::test_transpositions ... ok
[INFO] [stdout] test tree::child_vec::test::swap ... ok
[INFO] [stdout] test permutation::tests::test_permute_graph_double_edges ... ok
[INFO] [stdout] test half_edge::tests::wagner_graph ... ok
[INFO] [stdout] test drawing::test::helix ... FAILED
[INFO] [stdout] test half_edge::tests::double_pentagon_all_cuts ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_panic_map_idx_out_of_bounds - should panic ... ok
[INFO] [stdout] test permutation::tests::test_iter_slice_panic_too_short - should panic ... ok
[INFO] [stdout] test half_edge::tests::extracting_network ... ok
[INFO] [stdout] test half_edge::tests::petersen ... ok
[INFO] [stdout] test half_edge::tests::flower_snark has been running for over 60 seconds
[INFO] [stdout] test half_edge::tests::flower_snark ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[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:     0x5c71e08bc572 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c71e08bc572 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c71e08bc572 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c71e08bc572 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c71e08e5343 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c71e08e5343 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5c71e08b8553 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c71e08b8553 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c71e08bc3c2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c71e08bde29 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5c71e08bdc5e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5c71e06a7c44 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5c71e06a7c44 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5c71e08be7fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5c71e08be7fe - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5c71e08be5ca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5c71e08bca69 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5c71e08be25d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5c71e08e2d40 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5c71e08e31a6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   20:     0x5c71e05f3c8d - core::result::Result<T,E>::unwrap::h71c302ea3239fa2a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1167:23
[INFO] [stdout]   21:     0x5c71e05f3c8d - linnet::drawing::test::helix::h6d718a82e26862ff
[INFO] [stdout]                                at /opt/rustwide/workdir/src/drawing.rs:88:51
[INFO] [stdout]   22:     0x5c71e05f3327 - linnet::drawing::test::helix::{{closure}}::h767101bc3a821fee
[INFO] [stdout]                                at /opt/rustwide/workdir/src/drawing.rs:35:15
[INFO] [stdout]   23:     0x5c71e04b2c76 - core::ops::function::FnOnce::call_once::h605f07d1ed2a282b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5c71e06ad4ab - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5c71e06ad4ab - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5c71e06ac5e5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5c71e06ac5e5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5c71e06ac5e5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5c71e06ac5e5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5c71e06ac5e5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5c71e06ac5e5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5c71e06ac5e5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5c71e06701e4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5c71e06701e4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5c71e0673bba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5c71e0673bba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5c71e0673bba - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5c71e0673bba - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5c71e0673bba - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5c71e0673bba - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5c71e0673bba - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5c71e08c180f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5c71e08c180f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x77a80d753aa4 - <unknown>
[INFO] [stdout]   45:     0x77a80d7e0a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     drawing::test::helix
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 87 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 138.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e262aae5d925910799f0ff259d875dd487c056d1738e2aef91058591109f320e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e262aae5d925910799f0ff259d875dd487c056d1738e2aef91058591109f320e", kill_on_drop: false }`
[INFO] [stdout] e262aae5d925910799f0ff259d875dd487c056d1738e2aef91058591109f320e
