[INFO] fetching crate trees 0.4.2... [INFO] testing trees-0.4.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate trees 0.4.2 into /workspace/builds/worker-51/source [INFO] validating manifest of crates.io crate trees 0.4.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate trees 0.4.2 [INFO] finished tweaking crates.io crate trees 0.4.2 [INFO] tweaked toml for crates.io crate trees 0.4.2 written to /workspace/builds/worker-51/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d447702692fd5abce32a9a7be7969d65b29aa767fa39264f8aef1260baafa6f [INFO] running `Command { std: "docker" "start" "-a" "4d447702692fd5abce32a9a7be7969d65b29aa767fa39264f8aef1260baafa6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d447702692fd5abce32a9a7be7969d65b29aa767fa39264f8aef1260baafa6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d447702692fd5abce32a9a7be7969d65b29aa767fa39264f8aef1260baafa6f", kill_on_drop: false }` [INFO] [stdout] 4d447702692fd5abce32a9a7be7969d65b29aa767fa39264f8aef1260baafa6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8ec85804263bba3e1198a02690b5e410476be9f6f5731e72881176e72bd60bf [INFO] running `Command { std: "docker" "start" "-a" "c8ec85804263bba3e1198a02690b5e410476be9f6f5731e72881176e72bd60bf", kill_on_drop: false }` [INFO] [stderr] Compiling trees v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.06s [INFO] running `Command { std: "docker" "inspect" "c8ec85804263bba3e1198a02690b5e410476be9f6f5731e72881176e72bd60bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8ec85804263bba3e1198a02690b5e410476be9f6f5731e72881176e72bd60bf", kill_on_drop: false }` [INFO] [stdout] c8ec85804263bba3e1198a02690b5e410476be9f6f5731e72881176e72bd60bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a74723ded541c9b21e170a51250115c94f40c13d3d3d4d0e90ee51ef3973674 [INFO] running `Command { std: "docker" "start" "-a" "1a74723ded541c9b21e170a51250115c94f40c13d3d3d4d0e90ee51ef3973674", kill_on_drop: false }` [INFO] [stderr] Compiling trees v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.57s [INFO] running `Command { std: "docker" "inspect" "1a74723ded541c9b21e170a51250115c94f40c13d3d3d4d0e90ee51ef3973674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a74723ded541c9b21e170a51250115c94f40c13d3d3d4d0e90ee51ef3973674", kill_on_drop: false }` [INFO] [stdout] 1a74723ded541c9b21e170a51250115c94f40c13d3d3d4d0e90ee51ef3973674 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eb4f7a31058ce4aef0f7e56245f50a719f661c2e026f15b06ffe5b927c413cdb [INFO] running `Command { std: "docker" "start" "-a" "eb4f7a31058ce4aef0f7e56245f50a719f661c2e026f15b06ffe5b927c413cdb", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/trees-9b30f2d3fe9fdb32) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test bfs_impls::tests::piled_forest_from_bfs ... ok [INFO] [stdout] test bfs_impls::tests::piled_tree_from_bfs ... ok [INFO] [stdout] test forest::tests::piled_forest_from_tuple ... ok [INFO] [stdout] test forest::tests::empty_piled_forest_from_tuple ... ok [INFO] [stdout] test tuple::tests::forest_postorder ... ok [INFO] [stdout] test rc::tests::rc_works ... ok [INFO] [stdout] test tree::tests::piled_tree_from_tuple ... ok [INFO] [stdout] test bfs_impls::tests::piled_tree_from_bfs_1_1 ... ok [INFO] [stdout] test bfs_impls::tests::piled_forest_from_bfs_1_1 ... ok [INFO] [stdout] test tuple::tests::tree_preorder ... ok [INFO] [stderr] Doc-tests trees [INFO] [stdout] test tuple::tests::tree_postorder ... ok [INFO] [stdout] test tuple::tests::forest_preorder ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 88 tests [INFO] [stdout] test src/forest.rs - forest::Forest::append (line 259) ... FAILED [INFO] [stdout] test src/bfs.rs - bfs::BfsForest::map (line 82) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::node_count (line 240) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::from_tuple (line 39) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Forest::bfs (line 156) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::append (line 373) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::push_back (line 186) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::insert_prev_sib (line 388) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Tree::into_bfs (line 249) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::iter_rc (line 433) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::iter (line 114) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Node::bfs_children (line 60) ... FAILED [INFO] [stdout] test src/walk.rs - walk::ForestWalk::get_parent (line 544) ... FAILED [INFO] [stdout] test src/node.rs - node::Node::pop_back (line 454) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::push_front (line 293) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::has_no_child (line 215) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::push_front (line 170) ... FAILED [INFO] [stdout] test src/walk.rs - walk::ForestWalk::to_child (line 561) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Node::bfs_mut (line 111) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::pop_back (line 342) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::deep_clone (line 501) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Node::bfs (line 94) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Forest::into_bfs (line 189) ... FAILED [INFO] [stdout] test src/node.rs - node::Node::insert_prev_sib (line 197) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::pop_front (line 323) ... FAILED [INFO] [stdout] test src/node.rs - node::Node::push_front (line 368) ... FAILED [INFO] [stdout] test src/walk.rs - walk::TreeWalk::revisit (line 397) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Node::bfs_children_mut (line 75) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Forest::bfs_mut (line 171) ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name trees --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern trees=/opt/rustwide/target/debug/deps/libtrees-ffb28bbd489f2fcf.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "eb4f7a31058ce4aef0f7e56245f50a719f661c2e026f15b06ffe5b927c413cdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb4f7a31058ce4aef0f7e56245f50a719f661c2e026f15b06ffe5b927c413cdb", kill_on_drop: false }` [INFO] [stdout] eb4f7a31058ce4aef0f7e56245f50a719f661c2e026f15b06ffe5b927c413cdb