[INFO] crate starling 3.2.2 is already in cache
[INFO] testing starling-3.2.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate starling 3.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate starling 3.2.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate starling 3.2.2
[INFO] finished tweaking crates.io crate starling 3.2.2
[INFO] tweaked toml for crates.io crate starling 3.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate starling 3.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dce999f83c14739f6e26a892c71270430cec6c5e6865c246daca2b3779e1fc24
[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" "dce999f83c14739f6e26a892c71270430cec6c5e6865c246daca2b3779e1fc24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce999f83c14739f6e26a892c71270430cec6c5e6865c246daca2b3779e1fc24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce999f83c14739f6e26a892c71270430cec6c5e6865c246daca2b3779e1fc24", kill_on_drop: false }`
[INFO] [stdout] dce999f83c14739f6e26a892c71270430cec6c5e6865c246daca2b3779e1fc24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8758fc644f67013840752d5503e4958a7b95eb57bda73f0d345aa20f68e82f
[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" "4d8758fc644f67013840752d5503e4958a7b95eb57bda73f0d345aa20f68e82f", kill_on_drop: false }`
[INFO] [stderr]    Compiling starling v3.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "4d8758fc644f67013840752d5503e4958a7b95eb57bda73f0d345aa20f68e82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8758fc644f67013840752d5503e4958a7b95eb57bda73f0d345aa20f68e82f", kill_on_drop: false }`
[INFO] [stdout] 4d8758fc644f67013840752d5503e4958a7b95eb57bda73f0d345aa20f68e82f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4144f2dc20d035c3e3c53fcda3cc94373f053bc4499646454831242ecadea36a
[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" "4144f2dc20d035c3e3c53fcda3cc94373f053bc4499646454831242ecadea36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling starling v3.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "4144f2dc20d035c3e3c53fcda3cc94373f053bc4499646454831242ecadea36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4144f2dc20d035c3e3c53fcda3cc94373f053bc4499646454831242ecadea36a", kill_on_drop: false }`
[INFO] [stdout] 4144f2dc20d035c3e3c53fcda3cc94373f053bc4499646454831242ecadea36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9cf0de7f9d8fc26dc6b92fa90958892b4ba6dc7d73ce51123a6b65578fd9aa2
[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" "d9cf0de7f9d8fc26dc6b92fa90958892b4ba6dc7d73ce51123a6b65578fd9aa2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/starling-06f5602a7bbcf7bf
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test merkle_bit::tests::it_chooses_the_right_branch_hard ... ok
[INFO] [stdout] test merkle_bit::tests::it_splits_an_odd_length_sorted_list_of_pairs_with_more_zeros ... ok
[INFO] [stdout] test merkle_bit::tests::it_splits_an_odd_length_sorted_list_of_pairs_with_more_ones ... ok
[INFO] [stdout] test merkle_bit::tests::it_splits_an_even_length_sorted_list_of_pairs ... ok
[INFO] [stdout] test merkle_bit::tests::it_chooses_the_right_branch_medium ... ok
[INFO] [stdout] test merkle_bit::tests::it_chooses_the_right_branch_easy ... ok
[INFO] [stdout] test merkle_bit::tests::it_splits_an_all_ones_sorted_list_of_pairs ... ok
[INFO] [stdout] test merkle_bit::tests::it_splits_an_all_zeros_sorted_list_of_pairs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merkle_bit-6c8184333a6ee4a4
[INFO] [stdout] 
[INFO] [stdout] running 80 tests
[INFO] [stdout] test integration_tests::it_does_not_panic_when_removing_a_nonexistent_node ... ok
[INFO] [stdout] test integration_tests::it_correctly_increments_a_leaf_reference_count ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_small_balanced_tree ... ok
[INFO] [stdout] test integration_tests::it_gets_an_item_out_of_a_simple_tree ... ok
[INFO] [stdout] test integration_tests::it_fails_an_invalid_simple_proof ... ok
[INFO] [stdout] test integration_tests::it_fails_to_get_a_nonexistent_item ... ok
[INFO] [stdout] test integration_tests::it_fails_to_get_from_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_complex_tree ... ok
[INFO] [stdout] test integration_tests::it_generates_a_simple_inclusion_proof ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_tree_of_16 ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_small_unbalanced_tree ... ok
[INFO] [stdout] test integration_tests::it_gets_one_key_from_a_small_tree ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_medium_unbalanced_tree ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_tree_of_24 ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_tree_of_25 ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_medium_balanced_tree ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_five ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_four ... ok
[INFO] [stdout] test integration_tests::it_generates_a_medium_size_inclusion_proof ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_six ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_seven ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_eight ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_nine ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_eleven ... ok
[INFO] [stdout] test integration_tests::it_gets_one_key_from_a_large_tree ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_sixteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_three ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_fifteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_fourteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_ten ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_nineteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_thirteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_seventeen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_eighteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_thirty ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_one ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_thirty_one ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_large_balanced_tree ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_two ... ok
[INFO] [stdout] test integration_tests::it_generates_a_large_size_inclusion_proof ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_large_unbalanced_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_leaf_node_into_a_tree_with_one_item ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_thirty_two ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_leaf_node_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_fails_a_large_size_invalid_proof ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_small_even_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_four ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_small_odd_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_multiple_leaf_nodes_into_a_small_tree_with_existing_items ... ok
[INFO] [stdout] test integration_tests::it_inserts_multiple_leaf_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twelve ... ok
[INFO] [stdout] test integration_tests::it_inserts_one_into_an_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_two_leaf_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_two_leaf_nodes_into_empty_tree_with_first_bit_split ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_medium_even_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_with_compressed_nodes_that_are_not_descendants ... ok
[INFO] [stdout] test integration_tests::it_inserts_with_compressed_nodes_that_are_descendants ... ok
[INFO] [stdout] test integration_tests::it_removes_a_node ... ok
[INFO] [stdout] test integration_tests::it_removes_a_small_old_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_medium_odd_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_removes_an_old_large_root ... ok
[INFO] [stdout] test integration_tests::it_removes_an_old_root ... ok
[INFO] [stdout] test integration_tests::it_returns_the_same_number_of_values_as_keys ... ok
[INFO] [stdout] test integration_tests::it_updates_an_existing_entry ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_nine ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_eight ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_seven ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_five ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_six ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_three ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_two ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_large_even_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_one_into_a_large_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_large_odd_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_removes_an_entire_tree ... ok
[INFO] [stdout] test integration_tests::it_updates_multiple_existing_entries ... ok
[INFO] [stdout] test integration_tests::it_inserts_multiple_leaf_nodes_into_a_tree_with_existing_items ... ok
[INFO] [stdout] test integration_tests::it_correctly_iterates_removals ... ok
[INFO] [stdout] test integration_tests::it_iterates_over_multiple_inserts_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 80 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests starling
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9cf0de7f9d8fc26dc6b92fa90958892b4ba6dc7d73ce51123a6b65578fd9aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cf0de7f9d8fc26dc6b92fa90958892b4ba6dc7d73ce51123a6b65578fd9aa2", kill_on_drop: false }`
[INFO] [stdout] d9cf0de7f9d8fc26dc6b92fa90958892b4ba6dc7d73ce51123a6b65578fd9aa2