[INFO] fetching crate scene-graph 0.1.0...
[INFO] fixing scene-graph-0.1.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate scene-graph 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate scene-graph 0.1.0
[INFO] finished tweaking crates.io crate scene-graph 0.1.0
[INFO] tweaked toml for crates.io crate scene-graph 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scene-graph 0.1.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.3)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thunderdome v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67
[INFO] running `Command { std: "docker" "start" "df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking thunderdome v0.6.1
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking scene-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 let mut last_sibling = &mut self.arena[old_last];
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> benches/benches.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub fn criterion_benchmark(c: &mut Criterion) {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: petgraph::visit::ControlFlow` will fail
[INFO] [stdout]   --> benches/benches.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 | /             petgraph::visit::depth_first_search(&petgraph_sg, Some(root_idx), |event| match event {
[INFO] [stdout] 78 | |                 petgraph::visit::DfsEvent::Discover(_, _) => todo!(),
[INFO] [stdout] 79 | |                 petgraph::visit::DfsEvent::TreeEdge(_, _) => todo!(),
[INFO] [stdout] 80 | |                 petgraph::visit::DfsEvent::BackEdge(_, _) => todo!(),
[INFO] [stdout] 81 | |                 petgraph::visit::DfsEvent::CrossForwardEdge(_, _) => todo!(),
[INFO] [stdout] 82 | |                 petgraph::visit::DfsEvent::Finish(_, _) => todo!(),
[INFO] [stdout] 83 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 77 |             petgraph::visit::depth_first_search::<_, _, _, ()>(&petgraph_sg, Some(root_idx), |event| match event {
[INFO] [stdout]    |                                                +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scene-graph` (bench "benches") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:344:21
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 let mut last_sibling = &mut self.arena[old_last];
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67", kill_on_drop: false }`
[INFO] [stdout] df892812ed6bd312e469dca89c7b4d1c6d9c2c8297334030bc70043b12f67e67
