[INFO] fetching crate rutter_layout 0.1.0...
[INFO] testing rutter_layout-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rutter_layout 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rutter_layout 0.1.0
[INFO] finished tweaking crates.io crate rutter_layout 0.1.0
[INFO] tweaked toml for crates.io crate rutter_layout 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rutter_layout 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e55061a4d7024d38a34a9891d50f9d7b7a4714c4fa8b2162900f58744ca4a5aa
[INFO] running `Command { std: "docker" "start" "-a" "e55061a4d7024d38a34a9891d50f9d7b7a4714c4fa8b2162900f58744ca4a5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55061a4d7024d38a34a9891d50f9d7b7a4714c4fa8b2162900f58744ca4a5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55061a4d7024d38a34a9891d50f9d7b7a4714c4fa8b2162900f58744ca4a5aa", kill_on_drop: false }`
[INFO] [stdout] e55061a4d7024d38a34a9891d50f9d7b7a4714c4fa8b2162900f58744ca4a5aa
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6e1ccd906bc4fdea9e7e46d06ddd786b91449291a086836a1af9948530de3ec
[INFO] running `Command { std: "docker" "start" "-a" "c6e1ccd906bc4fdea9e7e46d06ddd786b91449291a086836a1af9948530de3ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling freelist v0.1.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling rutter_layout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `any_dirty_child_abs_pos` is never used
[INFO] [stdout]    --> src/layouter.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | trait PositionedNodeT: std::fmt::Debug {
[INFO] [stdout]     |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 364 |     fn any_dirty_child_abs_pos(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/layouter.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<T>, LayoutIterDirection)> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^ the same lifetime is hidden 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] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<'_, T>, LayoutIterDirection)> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "c6e1ccd906bc4fdea9e7e46d06ddd786b91449291a086836a1af9948530de3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e1ccd906bc4fdea9e7e46d06ddd786b91449291a086836a1af9948530de3ec", kill_on_drop: false }`
[INFO] [stdout] c6e1ccd906bc4fdea9e7e46d06ddd786b91449291a086836a1af9948530de3ec
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 526ef3fe740276d100c76e8c5bd6eae29a12757acdc9ac7ea3bc5ed18e3297bd
[INFO] running `Command { std: "docker" "start" "-a" "526ef3fe740276d100c76e8c5bd6eae29a12757acdc9ac7ea3bc5ed18e3297bd", kill_on_drop: false }`
[INFO] [stdout] warning: method `any_dirty_child_abs_pos` is never used
[INFO] [stdout]    --> src/layouter.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | trait PositionedNodeT: std::fmt::Debug {
[INFO] [stdout]     |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 364 |     fn any_dirty_child_abs_pos(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/layouter.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<T>, LayoutIterDirection)> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^ the same lifetime is hidden 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] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<'_, T>, LayoutIterDirection)> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rutter_layout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `any_dirty_child_abs_pos` is never used
[INFO] [stdout]    --> src/layouter.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 335 | trait PositionedNodeT: std::fmt::Debug {
[INFO] [stdout]     |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 364 |     fn any_dirty_child_abs_pos(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/layouter.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<T>, LayoutIterDirection)> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^ the same lifetime is hidden 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] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<'_, T>, LayoutIterDirection)> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "526ef3fe740276d100c76e8c5bd6eae29a12757acdc9ac7ea3bc5ed18e3297bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526ef3fe740276d100c76e8c5bd6eae29a12757acdc9ac7ea3bc5ed18e3297bd", kill_on_drop: false }`
[INFO] [stdout] 526ef3fe740276d100c76e8c5bd6eae29a12757acdc9ac7ea3bc5ed18e3297bd
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8109df450f1b1ff2c357a41c53e0b933ae352ea20274a1d8b92c7d3f84149226
[INFO] running `Command { std: "docker" "start" "-a" "8109df450f1b1ff2c357a41c53e0b933ae352ea20274a1d8b92c7d3f84149226", kill_on_drop: false }`
[INFO] [stderr] warning: method `any_dirty_child_abs_pos` is never used
[INFO] [stderr]    --> src/layouter.rs:364:8
[INFO] [stderr]     |
[INFO] [stderr] 335 | trait PositionedNodeT: std::fmt::Debug {
[INFO] [stderr]     |       --------------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 364 |     fn any_dirty_child_abs_pos(&self) -> bool;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/layouter.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<T>, LayoutIterDirection)> {
[INFO] [stderr]     |                 ^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^ the same lifetime is hidden 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] 213 |     pub fn iter(&self, idx: Idx) -> impl Iterator<Item = (LayoutItem<'_, T>, LayoutIterDirection)> {
[INFO] [stderr]     |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rutter_layout` (lib) generated 2 warnings (run `cargo fix --lib -p rutter_layout` to apply 1 suggestion)
[INFO] [stderr] warning: `rutter_layout` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rutter_layout-231d11c34bb3f057)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smoke_test::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rutter_layout
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8109df450f1b1ff2c357a41c53e0b933ae352ea20274a1d8b92c7d3f84149226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8109df450f1b1ff2c357a41c53e0b933ae352ea20274a1d8b92c7d3f84149226", kill_on_drop: false }`
[INFO] [stdout] 8109df450f1b1ff2c357a41c53e0b933ae352ea20274a1d8b92c7d3f84149226
