[INFO] fetching crate lineartree 0.1.1... [INFO] testing lineartree-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate lineartree 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate lineartree 0.1.1 [INFO] finished tweaking crates.io crate lineartree 0.1.1 [INFO] tweaked toml for crates.io crate lineartree 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lineartree 0.1.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f821ebcfc2a48e4231e971bb7b8c733f9d6b131b05eb276284a6ce2e25c560c [INFO] running `Command { std: "docker" "start" "-a" "2f821ebcfc2a48e4231e971bb7b8c733f9d6b131b05eb276284a6ce2e25c560c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f821ebcfc2a48e4231e971bb7b8c733f9d6b131b05eb276284a6ce2e25c560c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f821ebcfc2a48e4231e971bb7b8c733f9d6b131b05eb276284a6ce2e25c560c", kill_on_drop: false }` [INFO] [stdout] 2f821ebcfc2a48e4231e971bb7b8c733f9d6b131b05eb276284a6ce2e25c560c [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 302d1faf4a7770b5a92025bba78d68c1e2e00be563f5d57eb13b947c259812a2 [INFO] running `Command { std: "docker" "start" "-a" "302d1faf4a7770b5a92025bba78d68c1e2e00be563f5d57eb13b947c259812a2", kill_on_drop: false }` [INFO] [stderr] Compiling lineartree v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:340:25 [INFO] [stdout] | [INFO] [stdout] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [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] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:374:9 [INFO] [stdout] | [INFO] [stdout] 374 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 377 | ) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ 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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 377 | ) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:396:24 [INFO] [stdout] | [INFO] [stdout] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "302d1faf4a7770b5a92025bba78d68c1e2e00be563f5d57eb13b947c259812a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "302d1faf4a7770b5a92025bba78d68c1e2e00be563f5d57eb13b947c259812a2", kill_on_drop: false }` [INFO] [stdout] 302d1faf4a7770b5a92025bba78d68c1e2e00be563f5d57eb13b947c259812a2 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8e6013583ffb0635d2824f36b5fbfad7b09aff99a1e0abf4c00c5c25edd7269 [INFO] running `Command { std: "docker" "start" "-a" "e8e6013583ffb0635d2824f36b5fbfad7b09aff99a1e0abf4c00c5c25edd7269", kill_on_drop: false }` [INFO] [stderr] Compiling lineartree v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:340:25 [INFO] [stdout] | [INFO] [stdout] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [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] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:374:9 [INFO] [stdout] | [INFO] [stdout] 374 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 377 | ) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ 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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 377 | ) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:396:24 [INFO] [stdout] | [INFO] [stdout] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:340:25 [INFO] [stdout] | [INFO] [stdout] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [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] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:374:9 [INFO] [stdout] | [INFO] [stdout] 374 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 377 | ) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ 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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 377 | ) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:396:24 [INFO] [stdout] | [INFO] [stdout] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "e8e6013583ffb0635d2824f36b5fbfad7b09aff99a1e0abf4c00c5c25edd7269", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8e6013583ffb0635d2824f36b5fbfad7b09aff99a1e0abf4c00c5c25edd7269", kill_on_drop: false }` [INFO] [stdout] e8e6013583ffb0635d2824f36b5fbfad7b09aff99a1e0abf4c00c5c25edd7269 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ce01d3dafb9d26c51c2d0d34dd6ba7154c2da2448eba7e4ea1aa4a824be788cd [INFO] running `Command { std: "docker" "start" "-a" "ce01d3dafb9d26c51c2d0d34dd6ba7154c2da2448eba7e4ea1aa4a824be788cd", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:340:25 [INFO] [stderr] | [INFO] [stderr] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [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] 340 | pub fn get_children(&self, parent_ref: NodeRef) -> Result> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:374:9 [INFO] [stderr] | [INFO] [stderr] 374 | &self, [INFO] [stderr] | ^^^^^ the lifetime is elided here [INFO] [stderr] ... [INFO] [stderr] 377 | ) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ 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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 377 | ) -> Result> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:396:24 [INFO] [stderr] | [INFO] [stderr] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 396 | pub fn depth_first(&self, include_root: bool) -> Result> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `lineartree` (lib) generated 3 warnings (run `cargo fix --lib -p lineartree` to apply 3 suggestions) [INFO] [stderr] warning: `lineartree` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lineartree-28cb562b568adcf1) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test tests::append_child ... ok [INFO] [stdout] test tests::append_children ... ok [INFO] [stdout] test tests::append_child_error ... ok [INFO] [stdout] test tests::clone_tree ... ok [INFO] [stdout] test tests::depth_first_iterator ... ok [INFO] [stdout] test tests::get_mut ... ok [INFO] [stdout] test tests::get_parent ... ok [INFO] [stdout] test tests::new_node ... ok [INFO] [stdout] test tests::remove_node_error_already_removed ... ok [INFO] [stdout] test tests::remove_node ... ok [INFO] [stdout] test tests::remove_node_error_invalid_ref ... ok [INFO] [stdout] test tests::root2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests lineartree [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - (line 13) ... ignored [INFO] [stdout] test src/lib.rs - (line 46) ... ignored [INFO] [stdout] test src/lib.rs - (line 59) ... ignored [INFO] [stdout] test src/lib.rs - (line 66) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ce01d3dafb9d26c51c2d0d34dd6ba7154c2da2448eba7e4ea1aa4a824be788cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce01d3dafb9d26c51c2d0d34dd6ba7154c2da2448eba7e4ea1aa4a824be788cd", kill_on_drop: false }` [INFO] [stdout] ce01d3dafb9d26c51c2d0d34dd6ba7154c2da2448eba7e4ea1aa4a824be788cd