[INFO] fetching crate scene-graph 0.1.0...
[INFO] testing scene-graph-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate scene-graph 0.1.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scene-graph 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f424da25e5374d6fd91c9a98a846b653219d992560c55a7abad4cb0112b932c0
[INFO] running `Command { std: "docker" "start" "-a" "f424da25e5374d6fd91c9a98a846b653219d992560c55a7abad4cb0112b932c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f424da25e5374d6fd91c9a98a846b653219d992560c55a7abad4cb0112b932c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f424da25e5374d6fd91c9a98a846b653219d992560c55a7abad4cb0112b932c0", kill_on_drop: false }`
[INFO] [stdout] f424da25e5374d6fd91c9a98a846b653219d992560c55a7abad4cb0112b932c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48fdd5a74cdb808ee243e756938e6953de562d75358e2b1207fff63230654c42
[INFO] running `Command { std: "docker" "start" "-a" "48fdd5a74cdb808ee243e756938e6953de562d75358e2b1207fff63230654c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thunderdome v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling scene-graph v0.1.0 (/opt/rustwide/workdir)
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "48fdd5a74cdb808ee243e756938e6953de562d75358e2b1207fff63230654c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48fdd5a74cdb808ee243e756938e6953de562d75358e2b1207fff63230654c42", kill_on_drop: false }`
[INFO] [stdout] 48fdd5a74cdb808ee243e756938e6953de562d75358e2b1207fff63230654c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51fd231e8709ff4410a4229e44bfde08021e51739b644fbc4a612d46fbede455
[INFO] running `Command { std: "docker" "start" "-a" "51fd231e8709ff4410a4229e44bfde08021e51739b644fbc4a612d46fbede455", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rayon v1.12.0
[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]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling scene-graph v0.1.0 (/opt/rustwide/workdir)
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.11s
[INFO] running `Command { std: "docker" "inspect" "51fd231e8709ff4410a4229e44bfde08021e51739b644fbc4a612d46fbede455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fd231e8709ff4410a4229e44bfde08021e51739b644fbc4a612d46fbede455", kill_on_drop: false }`
[INFO] [stdout] 51fd231e8709ff4410a4229e44bfde08021e51739b644fbc4a612d46fbede455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 110a1afc7f00f4aa7c4783756d8baa78b8b46a84901da9d925bce64d3f333d6a
[INFO] running `Command { std: "docker" "start" "-a" "110a1afc7f00f4aa7c4783756d8baa78b8b46a84901da9d925bce64d3f333d6a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:344:21
[INFO] [stderr]     |
[INFO] [stderr] 344 |                 let mut last_sibling = &mut self.arena[old_last];
[INFO] [stderr]     |                     ----^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scene-graph` (lib) generated 1 warning (run `cargo fix --lib -p scene-graph` to apply 1 suggestion)
[INFO] [stderr] warning: `scene-graph` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scene_graph-fa2e6ed93575ec7e)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test child_iter::tests::normal_iteration ... ok
[INFO] [stdout] test detatch_iter::tests::child_detach_iteration_grand2 ... ok
[INFO] [stdout] test child_iter::tests::scene_graph_returns_nothing_on_empty_iteration ... ok
[INFO] [stdout] test detatch_iter::tests::child_detach_iteration_grand ... ok
[INFO] [stdout] test detatch_iter::tests::child_detach_iteration ... ok
[INFO] [stdout] test detatch_iter::tests::detach_iteration ... ok
[INFO] [stdout] test detatch_iter::tests::detach_handles_empty ... ok
[INFO] [stdout] test detatch_iter::tests::single_detach_iteration ... ok
[INFO] [stdout] test detatch_iter::tests::stagger_detach_iteration ... ok
[INFO] [stdout] test iter::tests::stagger_iteration ... ok
[INFO] [stdout] test iter::tests::scene_graph_returns_nothing_on_empty_iteration ... ok
[INFO] [stdout] test iter_mut::tests::scene_graph_returns_nothing_on_empty_iteration ... ok
[INFO] [stdout] test iter_mut::tests::normal_iteration ... ok
[INFO] [stdout] test iter_mut::tests::stagger_iteration ... ok
[INFO] [stdout] test tests::basic_attach ... ok
[INFO] [stdout] test iter::tests::normal_iteration ... ok
[INFO] [stdout] test iter::tests::single_iteration ... ok
[INFO] [stdout] test tests::move_node ... ok
[INFO] [stdout] test iter_mut::tests::single_iteration ... ok
[INFO] [stdout] test tests::attach_internals ... ok
[INFO] [stdout] test tests::detach_basic ... ok
[INFO] [stderr]    Doc-tests scene_graph
[INFO] [stdout] test tests::clear_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "110a1afc7f00f4aa7c4783756d8baa78b8b46a84901da9d925bce64d3f333d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110a1afc7f00f4aa7c4783756d8baa78b8b46a84901da9d925bce64d3f333d6a", kill_on_drop: false }`
[INFO] [stdout] 110a1afc7f00f4aa7c4783756d8baa78b8b46a84901da9d925bce64d3f333d6a
