[INFO] fetching crate gctree 0.34.0... [INFO] testing gctree-0.34.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate gctree 0.34.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate gctree 0.34.0 [INFO] finished tweaking crates.io crate gctree 0.34.0 [INFO] tweaked toml for crates.io crate gctree 0.34.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate gctree 0.34.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate gctree 0.34.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded into-attr-derive v0.2.1 [INFO] [stderr] Downloaded pest_meta v2.8.0 [INFO] [stderr] Downloaded dot-structures v0.1.2 [INFO] [stderr] Downloaded graphviz-rust v0.9.4 [INFO] [stderr] Downloaded into-attr v0.1.1 [INFO] [stderr] Downloaded dot-generator v0.2.0 [INFO] [stderr] Downloaded ioe v0.6.0 [INFO] [stderr] Downloaded pest_generator v2.8.0 [INFO] [stderr] Downloaded pest_derive v2.8.0 [INFO] [stderr] Downloaded pest v2.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d73780057caa945ca602f1a836da210f93d8fb21a4baffdba0824471ade396c7 [INFO] running `Command { std: "docker" "start" "-a" "d73780057caa945ca602f1a836da210f93d8fb21a4baffdba0824471ade396c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d73780057caa945ca602f1a836da210f93d8fb21a4baffdba0824471ade396c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d73780057caa945ca602f1a836da210f93d8fb21a4baffdba0824471ade396c7", kill_on_drop: false }` [INFO] [stdout] d73780057caa945ca602f1a836da210f93d8fb21a4baffdba0824471ade396c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91c7a999c9de3c3981b0c250c9793920433ae08f3c8661d3b44206fd57875bd1 [INFO] running `Command { std: "docker" "start" "-a" "91c7a999c9de3c3981b0c250c9793920433ae08f3c8661d3b44206fd57875bd1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling convert_case v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling derive_more-impl v2.0.1 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling derive_more v2.0.1 [INFO] [stderr] Compiling ioe v0.6.0 [INFO] [stderr] Compiling gctree v0.34.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `node_idx` is never read [INFO] [stdout] --> src/error.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent_idx` is never read [INFO] [stdout] --> src/error.rs:26:41 [INFO] [stdout] | [INFO] [stdout] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `node_idx` is never read [INFO] [stdout] --> src/error.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `child_idx` is never read [INFO] [stdout] --> src/error.rs:28:40 [INFO] [stdout] | [INFO] [stdout] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `fidx` is never read [INFO] [stdout] --> src/error.rs:33:28 [INFO] [stdout] | [INFO] [stdout] 33 | ExpectedSingleParent { fidx: NodeIdx, got: usize }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.42s [INFO] running `Command { std: "docker" "inspect" "91c7a999c9de3c3981b0c250c9793920433ae08f3c8661d3b44206fd57875bd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91c7a999c9de3c3981b0c250c9793920433ae08f3c8661d3b44206fd57875bd1", kill_on_drop: false }` [INFO] [stdout] 91c7a999c9de3c3981b0c250c9793920433ae08f3c8661d3b44206fd57875bd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d2c03b8581cfffd10656e76f45ca3ebca719d097fa6c828a51dd186b6f35ac3 [INFO] running `Command { std: "docker" "start" "-a" "1d2c03b8581cfffd10656e76f45ca3ebca719d097fa6c828a51dd186b6f35ac3", kill_on_drop: false }` [INFO] [stdout] warning: value assigned to `node_idx` is never read [INFO] [stdout] --> src/error.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent_idx` is never read [INFO] [stdout] --> src/error.rs:26:41 [INFO] [stdout] | [INFO] [stdout] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling gctree v0.34.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `node_idx` is never read [INFO] [stdout] --> src/error.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `child_idx` is never read [INFO] [stdout] --> src/error.rs:28:40 [INFO] [stdout] | [INFO] [stdout] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `fidx` is never read [INFO] [stdout] --> src/error.rs:33:28 [INFO] [stdout] | [INFO] [stdout] 33 | ExpectedSingleParent { fidx: NodeIdx, got: usize }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `node_idx` is never read [INFO] [stdout] --> src/error.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent_idx` is never read [INFO] [stdout] --> src/error.rs:26:41 [INFO] [stdout] | [INFO] [stdout] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `node_idx` is never read [INFO] [stdout] --> src/error.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `child_idx` is never read [INFO] [stdout] --> src/error.rs:28:40 [INFO] [stdout] | [INFO] [stdout] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `fidx` is never read [INFO] [stdout] --> src/error.rs:33:28 [INFO] [stdout] | [INFO] [stdout] 33 | ExpectedSingleParent { fidx: NodeIdx, got: usize }, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.58s [INFO] running `Command { std: "docker" "inspect" "1d2c03b8581cfffd10656e76f45ca3ebca719d097fa6c828a51dd186b6f35ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d2c03b8581cfffd10656e76f45ca3ebca719d097fa6c828a51dd186b6f35ac3", kill_on_drop: false }` [INFO] [stdout] 1d2c03b8581cfffd10656e76f45ca3ebca719d097fa6c828a51dd186b6f35ac3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] af15c277da8f5d3fdb93412058953272a99fbee91f1ed70745bac0e2d1b45bfc [INFO] running `Command { std: "docker" "start" "-a" "af15c277da8f5d3fdb93412058953272a99fbee91f1ed70745bac0e2d1b45bfc", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `node_idx` is never read [INFO] [stderr] --> src/error.rs:26:22 [INFO] [stderr] | [INFO] [stderr] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `parent_idx` is never read [INFO] [stderr] --> src/error.rs:26:41 [INFO] [stderr] | [INFO] [stderr] 26 | ParentNotFound { node_idx: NodeIdx, parent_idx: Option }, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `node_idx` is never read [INFO] [stderr] --> src/error.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `child_idx` is never read [INFO] [stderr] --> src/error.rs:28:40 [INFO] [stderr] | [INFO] [stderr] 28 | ChildNotFound { node_idx: NodeIdx, child_idx: NodeIdx }, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `fidx` is never read [INFO] [stderr] --> src/error.rs:33:28 [INFO] [stderr] | [INFO] [stderr] 33 | ExpectedSingleParent { fidx: NodeIdx, got: usize }, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `gctree` (lib) generated 5 warnings [INFO] [stderr] warning: `gctree` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gctree-d3cfd04c235e9584) [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test forest::tests::ancestors_of ... ok [INFO] [stdout] test forest::tests::children_of ... ok [INFO] [stdout] test forest::tests::bfs_traversal_basic ... ok [INFO] [stdout] test forest::tests::descendants_of ... ok [INFO] [stdout] test forest::tests::dfs_post ... ok [INFO] [stdout] test forest::tests::dfs_base ... ok [INFO] [stdout] test forest::tests::dfs_pre ... ok [INFO] [stdout] test forest::tests::dfs_traversal_basic ... ok [INFO] [stderr] Doc-tests gctree [INFO] [stdout] test forest::tests::move_subtree ... ok [INFO] [stdout] test forest::tests::copy_subforest ... ok [INFO] [stdout] test forest::tests::remove_subtree ... ok [INFO] [stdout] test forest::tests::siblings_of ... ok [INFO] [stdout] test forest::tests::replace_subtree ... ok [INFO] [stdout] test forest::tests::remove_subtree_multiply ... ok [INFO] [stdout] test forest::tests::rm_descendants_of ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "af15c277da8f5d3fdb93412058953272a99fbee91f1ed70745bac0e2d1b45bfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af15c277da8f5d3fdb93412058953272a99fbee91f1ed70745bac0e2d1b45bfc", kill_on_drop: false }` [INFO] [stdout] af15c277da8f5d3fdb93412058953272a99fbee91f1ed70745bac0e2d1b45bfc