[INFO] fetching crate wolf-graph-mermaid 0.1.0...
[INFO] checking wolf-graph-mermaid-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate wolf-graph-mermaid 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wolf-graph-mermaid 0.1.0
[INFO] finished tweaking crates.io crate wolf-graph-mermaid 0.1.0
[INFO] tweaked toml for crates.io crate wolf-graph-mermaid 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolf-graph-mermaid 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a11f53dcc7db525cedf46333a0009a5a0da85094885a7b015e12d18501929380
[INFO] running `Command { std: "docker" "start" "-a" "a11f53dcc7db525cedf46333a0009a5a0da85094885a7b015e12d18501929380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a11f53dcc7db525cedf46333a0009a5a0da85094885a7b015e12d18501929380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11f53dcc7db525cedf46333a0009a5a0da85094885a7b015e12d18501929380", kill_on_drop: false }`
[INFO] [stdout] a11f53dcc7db525cedf46333a0009a5a0da85094885a7b015e12d18501929380
[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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d170b2adbc05a2a6e391254bd8fab5097930ae99bc8b2a51df125985861b716
[INFO] running `Command { std: "docker" "start" "-a" "0d170b2adbc05a2a6e391254bd8fab5097930ae99bc8b2a51df125985861b716", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking fuid v2.0.0
[INFO] [stderr]     Checking wolf-graph v0.1.0
[INFO] [stderr]     Checking wolf-graph-mermaid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |    graph.add_node(nid!("Z")).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |    graph.add_edge_with_data(eid!("AZ"), nid!("A"), nid!("Z"), TestEdgeData::new("AZ".to_string(), false, false)).unwrap();
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 |    graph.add_edge_with_data(eid!("AZ"), nid!("A"), nid!("Z"), TestEdgeData::new("AZ".to_string(), false, false)).unwrap();
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:12:52
[INFO] [stdout]    |
[INFO] [stdout] 12 |    graph.add_edge_with_data(eid!("AZ"), nid!("A"), nid!("Z"), TestEdgeData::new("AZ".to_string(), false, false)).unwrap();
[INFO] [stdout]    |                                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |    graph.with_node_data(nid!("Z"), &|data| {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |    graph.with_node_data(nid!("A"), &|data| {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |    graph.with_node_data(nid!("J"), &|data| {
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:23:25
[INFO] [stdout]    |
[INFO] [stdout] 23 |    graph.with_edge_data(eid!("AZ"), &|data| {
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |    graph.with_edge_data(eid!("HJ"), &|data| {
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:92:45
[INFO] [stdout]    |
[INFO] [stdout] 92 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/graph_tests.rs:92:54
[INFO] [stdout]    |
[INFO] [stdout] 92 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]    |                                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]    --> tests/graph_tests.rs:265:36
[INFO] [stdout]     |
[INFO] [stdout] 265 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]    --> tests/graph_tests.rs:265:45
[INFO] [stdout]     |
[INFO] [stdout] 265 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]    --> tests/graph_tests.rs:265:54
[INFO] [stdout]     |
[INFO] [stdout] 265 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]    --> tests/graph_tests.rs:320:36
[INFO] [stdout]     |
[INFO] [stdout] 320 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]    --> tests/graph_tests.rs:320:45
[INFO] [stdout]     |
[INFO] [stdout] 320 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]    --> tests/graph_tests.rs:320:54
[INFO] [stdout]     |
[INFO] [stdout] 320 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     compound.add_node(nid!(1), None::<NodeID>, eid!("r1")).unwrap();
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:11:48
[INFO] [stdout]    |
[INFO] [stdout] 11 |     compound.add_node(nid!(1), None::<NodeID>, eid!("r1")).unwrap();
[INFO] [stdout]    |                                                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     compound.add_node(nid!(2), None::<NodeID>, eid!("r2")).unwrap();
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 |     compound.add_node(nid!(2), None::<NodeID>, eid!("r2")).unwrap();
[INFO] [stdout]    |                                                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wolf-graph-mermaid` (test "graph_tests") due to 18 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 |     compound.add_node(nid!(3),Some(nid!(1)), eid!("13")).unwrap();
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     compound.add_node(nid!(3),Some(nid!(1)), eid!("13")).unwrap();
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 13 |     compound.add_node(nid!(3),Some(nid!(1)), eid!("13")).unwrap();
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |         compound.move_node(nid!(node), Some(nid!(1))).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:17:45
[INFO] [stdout]    |
[INFO] [stdout] 17 |         compound.move_node(nid!(node), Some(nid!(1))).unwrap();
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:20:28
[INFO] [stdout]    |
[INFO] [stdout] 20 |         compound.move_node(nid!(node), Some(nid!(2))).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:20:45
[INFO] [stdout]    |
[INFO] [stdout] 20 |         compound.move_node(nid!(node), Some(nid!(2))).unwrap();
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:23:28
[INFO] [stdout]    |
[INFO] [stdout] 23 |         compound.move_node(nid!(node), Some(nid!(3))).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |         compound.move_node(nid!(node), Some(nid!(3))).unwrap();
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     compound.add_edge(eid!("h21"), nid!(2), nid!(1)).unwrap();
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |     compound.add_edge(eid!("h21"), nid!(2), nid!(1)).unwrap();
[INFO] [stdout]    |                                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]   --> tests/compound_tests.rs:27:45
[INFO] [stdout]    |
[INFO] [stdout] 27 |     compound.add_edge(eid!("h21"), nid!(2), nid!(1)).unwrap();
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]    --> tests/compound_tests.rs:120:47
[INFO] [stdout]     |
[INFO] [stdout] 120 |         forest.add_node(node, None::<NodeID>, eid!(format!("r{}", node))).unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::EdgeID, Infallible>
[INFO] [stdout]    --> tests/compound_tests.rs:162:36
[INFO] [stdout]     |
[INFO] [stdout] 162 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `eid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]    --> tests/compound_tests.rs:162:45
[INFO] [stdout]     |
[INFO] [stdout] 162 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<wolf_graph::NodeID, Infallible>
[INFO] [stdout]    --> tests/compound_tests.rs:162:54
[INFO] [stdout]     |
[INFO] [stdout] 162 |     v.into_iter().map(|(a, b, c)| (eid!(a), nid!(b), nid!(c))).collect()
[INFO] [stdout]     |                                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `nid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wolf-graph-mermaid` (test "compound_tests") due to 20 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d170b2adbc05a2a6e391254bd8fab5097930ae99bc8b2a51df125985861b716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d170b2adbc05a2a6e391254bd8fab5097930ae99bc8b2a51df125985861b716", kill_on_drop: false }`
[INFO] [stdout] 0d170b2adbc05a2a6e391254bd8fab5097930ae99bc8b2a51df125985861b716