[INFO] fetching crate outils 0.3.0...
[INFO] testing outils-0.3.0 against 1.52.1 for beta-1.53-1
[INFO] extracting crate outils 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate outils 0.3.0 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate outils 0.3.0
[INFO] finished tweaking crates.io crate outils 0.3.0
[INFO] tweaked toml for crates.io crate outils 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 447b0c59cbebcb5ee6a876cc7f81c4e24bba241dc4418c88467d1d1cd7b93e01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "447b0c59cbebcb5ee6a876cc7f81c4e24bba241dc4418c88467d1d1cd7b93e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "447b0c59cbebcb5ee6a876cc7f81c4e24bba241dc4418c88467d1d1cd7b93e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447b0c59cbebcb5ee6a876cc7f81c4e24bba241dc4418c88467d1d1cd7b93e01", kill_on_drop: false }`
[INFO] [stdout] 447b0c59cbebcb5ee6a876cc7f81c4e24bba241dc4418c88467d1d1cd7b93e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9545238431eee07c93d59a808bd7712dd31bfd57d94bcd53e6a8a7336e36231b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9545238431eee07c93d59a808bd7712dd31bfd57d94bcd53e6a8a7336e36231b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling outils v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "9545238431eee07c93d59a808bd7712dd31bfd57d94bcd53e6a8a7336e36231b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9545238431eee07c93d59a808bd7712dd31bfd57d94bcd53e6a8a7336e36231b", kill_on_drop: false }`
[INFO] [stdout] 9545238431eee07c93d59a808bd7712dd31bfd57d94bcd53e6a8a7336e36231b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0be54883bf54081e6ef226cca1e50f85f5c4c23da2b829a72d500452a05bb86c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0be54883bf54081e6ef226cca1e50f85f5c4c23da2b829a72d500452a05bb86c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling outils v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "0be54883bf54081e6ef226cca1e50f85f5c4c23da2b829a72d500452a05bb86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be54883bf54081e6ef226cca1e50f85f5c4c23da2b829a72d500452a05bb86c", kill_on_drop: false }`
[INFO] [stdout] 0be54883bf54081e6ef226cca1e50f85f5c4c23da2b829a72d500452a05bb86c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c18a18731c064d3ff0d5d1add9425d51c3c3fb04a8d39814d6cef3d2456aa2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c18a18731c064d3ff0d5d1add9425d51c3c3fb04a8d39814d6cef3d2456aa2f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/outils-2b44aaefdd66c0f6)
[INFO] [stdout] 
[INFO] [stdout] running 90 tests
[INFO] [stdout] test tree::bst::aaforest::tests::test_api ... ok
[INFO] [stdout] test tree::bst::aatree::tests::test_api ... ok
[INFO] [stdout] test graph::dynconn::hdt::tests::test_basic_insert ... ok
[INFO] [stdout] test tree::bst::aatree::tests::test_basic_delete ... ok
[INFO] [stdout] test tree::bst::aatree::tests::test_basic_insert_ascending ... ok
[INFO] [stdout] test tree::bst::aatree::tests::test_basic_insert_descending ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_bulk_append ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_split_middle ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_basic_split ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_basic_append_descending ... ok
[INFO] [stdout] test tree::bst::aatree::tests::test_big_tree_insert_and_delete ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_basic_append_ascending ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_basic_append_ascending ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_basic_append_descending ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_api ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_big_tree_append_and_split_all ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_basic_split ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_bulk_append ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_split_middle ... ok
[INFO] [stdout] test tree::bst::waatree::tests::test_api ... ok
[INFO] [stdout] test tree::bst::waatree::tests::test_basic_delete ... ok
[INFO] [stdout] test tree::bst::waatree::tests::test_basic_insert_ascending ... ok
[INFO] [stdout] test tree::bst::waatree::tests::test_basic_insert_descending ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_big_tree_append_and_split_all ... ok
[INFO] [stdout] test tree::bst::waatree::tests::test_big_tree_insert_and_delete ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_big_tree_append_and_split ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_big_tree_is_smaller ... ok
[INFO] [stdout] test tree::generic::tests::test_insert_child_at_first ... ok
[INFO] [stdout] test tree::generic::tests::test_basic_tree ... ok
[INFO] [stdout] test tree::generic::tests::test_insert_child_at_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_insert_child_at_last ... ok
[INFO] [stdout] test tree::generic::tests::test_insert_child_invalid ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_invalid ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_leaf_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_leaf_last ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_leaf_first ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_non_leaf_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_non_leaf_last ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_root ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_invalid ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_leaf_first ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_leaf_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_leaf_last ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_non_leaf_first ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_non_leaf_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_non_leaf_last ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_root ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_invalid ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_leaf_first ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_leaf_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_leaf_last ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_non_leaf_first ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_non_leaf_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_non_leaf_last ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_subtree_root ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_at_invalid ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_at_leaf ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_at_non_leaf_first ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_at_non_leaf_inner ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_at_non_leaf_last ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_invalid ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_leaf ... ok
[INFO] [stdout] test tree::generic::tests::test_set_as_child_non_leaf ... ok
[INFO] [stdout] test tree::generic::tests::test_traversable_api ... ok
[INFO] [stdout] test tree::traversal::tests::test_binary_inorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_binary_postorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_binary_preorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_bfs ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_complete_binary_inorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_complete_binary_postorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_complete_binary_preorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_dfs ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_incomplete_binary_inorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_incomplete_binary_postorder ... ok
[INFO] [stdout] test tree::traversal::tests::test_generic_incomplete_binary_preorder ... ok
[INFO] [stdout] test tree::generic::tests::test_remove_as_child_non_leaf_first ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_big_tree_append_and_split ... ok
[INFO] [stdout] test tree::bst::aatree::tests::test_big_random_tree_insert_and_delete ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_big_tree_is_smaller ... ok
[INFO] [stdout] test graph::dynconn::hdt::tests::test_big_insert_and_disconnect ... ok
[INFO] [stdout] test graph::dynconn::hdt::tests::test_big_insert_and_delete ... ok
[INFO] [stdout] test graph::dynconn::hdt::tests::test_complete_insert_delete ... ok
[INFO] [stdout] test tree::generic::tests::test_big_random_api ... ok
[INFO] [stdout] test tree::bst::waatree::tests::test_big_random_tree_insert_and_delete ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_big_tree_append_and_delete ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_big_random_tree_append_and_delete ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_big_tree_append_and_delete ... ok
[INFO] [stdout] test tree::bst::aaforest::tests::test_big_random_tree_append_and_delete ... ok
[INFO] [stdout] test tree::bst::waaforest::tests::test_big_random_tree_append_and_split ... ok
[INFO] [stdout] test graph::dynconn::hdt::tests::test_big_random_insert_and_delete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 90 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 21.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests outils
[INFO] [stdout] 
[INFO] [stdout] running 68 tests
[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 outils --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bencher=/opt/rustwide/target/debug/deps/libbencher-45f485a10ff2335d.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-61a1220fde72d8ee.rlib --extern outils=/opt/rustwide/target/debug/deps/liboutils-447a07a97a7267cf.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d34cef435f99ed02.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-5e45f0346fa62b52.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9c18a18731c064d3ff0d5d1add9425d51c3c3fb04a8d39814d6cef3d2456aa2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c18a18731c064d3ff0d5d1add9425d51c3c3fb04a8d39814d6cef3d2456aa2f", kill_on_drop: false }`
[INFO] [stdout] 9c18a18731c064d3ff0d5d1add9425d51c3c3fb04a8d39814d6cef3d2456aa2f