[INFO] fetching crate trees 0.4.2... [INFO] testing trees-0.4.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate trees 0.4.2 into /workspace/builds/worker-45/source [INFO] validating manifest of crates.io crate trees 0.4.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-45/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fda2828c218ad7911c120576dbe5d9e94a5e3def66a53c8a1205cce6e68cd2ee [INFO] running `Command { std: "docker" "start" "-a" "fda2828c218ad7911c120576dbe5d9e94a5e3def66a53c8a1205cce6e68cd2ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fda2828c218ad7911c120576dbe5d9e94a5e3def66a53c8a1205cce6e68cd2ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fda2828c218ad7911c120576dbe5d9e94a5e3def66a53c8a1205cce6e68cd2ee", kill_on_drop: false }` [INFO] [stdout] fda2828c218ad7911c120576dbe5d9e94a5e3def66a53c8a1205cce6e68cd2ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0fc0c33efa861941ffaadb1152980a3d0051d1e5bddb949286c63fbc9bfb875 [INFO] running `Command { std: "docker" "start" "-a" "c0fc0c33efa861941ffaadb1152980a3d0051d1e5bddb949286c63fbc9bfb875", kill_on_drop: false }` [INFO] [stderr] Compiling trees v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.46s [INFO] running `Command { std: "docker" "inspect" "c0fc0c33efa861941ffaadb1152980a3d0051d1e5bddb949286c63fbc9bfb875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0fc0c33efa861941ffaadb1152980a3d0051d1e5bddb949286c63fbc9bfb875", kill_on_drop: false }` [INFO] [stdout] c0fc0c33efa861941ffaadb1152980a3d0051d1e5bddb949286c63fbc9bfb875 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db55ad4daad195d96e79ae604b489cb7287e61ae5360a1db4f4d58038cd53bcb [INFO] running `Command { std: "docker" "start" "-a" "db55ad4daad195d96e79ae604b489cb7287e61ae5360a1db4f4d58038cd53bcb", kill_on_drop: false }` [INFO] [stderr] Compiling trees v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.75s [INFO] running `Command { std: "docker" "inspect" "db55ad4daad195d96e79ae604b489cb7287e61ae5360a1db4f4d58038cd53bcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db55ad4daad195d96e79ae604b489cb7287e61ae5360a1db4f4d58038cd53bcb", kill_on_drop: false }` [INFO] [stdout] db55ad4daad195d96e79ae604b489cb7287e61ae5360a1db4f4d58038cd53bcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 876ef14b675f366949e8e85d6a404f2592e8a9160cb8d9cb97b329d6ea4ee6cb [INFO] running `Command { std: "docker" "start" "-a" "876ef14b675f366949e8e85d6a404f2592e8a9160cb8d9cb97b329d6ea4ee6cb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [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_1_1 ... ok [INFO] [stdout] test bfs_impls::tests::piled_forest_from_bfs ... ok [INFO] [stdout] test bfs_impls::tests::piled_tree_from_bfs_1_1 ... ok [INFO] [stdout] test bfs_impls::tests::piled_tree_from_bfs ... ok [INFO] [stdout] test forest::tests::empty_piled_forest_from_tuple ... ok [INFO] [stdout] test forest::tests::piled_forest_from_tuple ... ok [INFO] [stdout] test rc::tests::rc_works ... ok [INFO] [stdout] test tree::tests::piled_tree_from_tuple ... ok [INFO] [stdout] test tuple::tests::forest_postorder ... ok [INFO] [stdout] test tuple::tests::forest_preorder ... ok [INFO] [stdout] test tuple::tests::tree_postorder ... ok [INFO] [stdout] test tuple::tests::tree_preorder ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests trees [INFO] [stdout] [INFO] [stdout] running 88 tests [INFO] [stdout] test src/forest.rs - forest::Forest::push_front (line 170) ... FAILED [INFO] [stdout] test src/node.rs - node::Node::prepend (line 490) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::push_back (line 186) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::append (line 373) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Forest::bfs_mut (line 171) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::from_tuple (line 39) ... FAILED [INFO] [stdout] test src/rc.rs - rc::RcNode::pop_front (line 323) ... FAILED [INFO] [stdout] test src/node.rs - node::Node::append (line 520) ... FAILED [INFO] [stdout] test src/node.rs - node::Node::insert_next_sib (line 228) ... FAILED [INFO] [stdout] test src/tree.rs - tree::Tree::push_back (line 109) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::pop_front (line 202) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Node::bfs_children (line 60) ... FAILED [INFO] [stdout] test src/forest.rs - forest::Forest::pop_back (line 221) ... FAILED [INFO] [stdout] test src/bfs_impls.rs - bfs_impls::Node::deep_clone (line 14) ... 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" "876ef14b675f366949e8e85d6a404f2592e8a9160cb8d9cb97b329d6ea4ee6cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "876ef14b675f366949e8e85d6a404f2592e8a9160cb8d9cb97b329d6ea4ee6cb", kill_on_drop: false }` [INFO] [stdout] 876ef14b675f366949e8e85d6a404f2592e8a9160cb8d9cb97b329d6ea4ee6cb