[INFO] fetching crate starling 3.2.3...
[INFO] testing starling-3.2.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate starling 3.2.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate starling 3.2.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate starling 3.2.3
[INFO] finished tweaking crates.io crate starling 3.2.3
[INFO] tweaked toml for crates.io crate starling 3.2.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate starling 3.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.4.4
[INFO] [stderr]   Downloaded seahash v4.0.1
[INFO] [stderr]   Downloaded ron v0.6.1
[INFO] [stderr]   Downloaded serde-pickle v0.6.1
[INFO] [stderr]   Downloaded iter-read v0.2.1
[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff5d7c621b47eb8e89d10d9002156ff6f6ab6749490390d0c6d6e4ed889e7d3d
[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" "ff5d7c621b47eb8e89d10d9002156ff6f6ab6749490390d0c6d6e4ed889e7d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff5d7c621b47eb8e89d10d9002156ff6f6ab6749490390d0c6d6e4ed889e7d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5d7c621b47eb8e89d10d9002156ff6f6ab6749490390d0c6d6e4ed889e7d3d", kill_on_drop: false }`
[INFO] [stdout] ff5d7c621b47eb8e89d10d9002156ff6f6ab6749490390d0c6d6e4ed889e7d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48bb9cc946e9cf1ba9fa93205637eefba6d5c92964bf84174c8db306a1bdda71
[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" "48bb9cc946e9cf1ba9fa93205637eefba6d5c92964bf84174c8db306a1bdda71", kill_on_drop: false }`
[INFO] [stderr]    Compiling starling v3.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "48bb9cc946e9cf1ba9fa93205637eefba6d5c92964bf84174c8db306a1bdda71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bb9cc946e9cf1ba9fa93205637eefba6d5c92964bf84174c8db306a1bdda71", kill_on_drop: false }`
[INFO] [stdout] 48bb9cc946e9cf1ba9fa93205637eefba6d5c92964bf84174c8db306a1bdda71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de74bfaa28c2e49aaea2e16c9802d53827324ec4bf28de0e2c3494006d574779
[INFO] running `Command { std: "docker" "start" "-a" "de74bfaa28c2e49aaea2e16c9802d53827324ec4bf28de0e2c3494006d574779", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cast v0.2.3
[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 regex v1.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling starling v3.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 52.98s
[INFO] running `Command { std: "docker" "inspect" "de74bfaa28c2e49aaea2e16c9802d53827324ec4bf28de0e2c3494006d574779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de74bfaa28c2e49aaea2e16c9802d53827324ec4bf28de0e2c3494006d574779", kill_on_drop: false }`
[INFO] [stdout] de74bfaa28c2e49aaea2e16c9802d53827324ec4bf28de0e2c3494006d574779
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ea7dc16d78646546ec8b95d568810216d079e7fd708ad8c9bbd726056253d04
[INFO] running `Command { std: "docker" "start" "-a" "8ea7dc16d78646546ec8b95d568810216d079e7fd708ad8c9bbd726056253d04", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/starling-f56a4b3ba25476d2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test merkle_bit::tests::it_splits_an_all_zeros_sorted_list_of_pairs ... ok
[INFO] [stdout] test merkle_bit::tests::it_splits_an_all_ones_sorted_list_of_pairs ... ok
[INFO] [stderr]      Running tests/merkle_bit.rs (/opt/rustwide/target/debug/deps/merkle_bit-e37159ac25d09476)
[INFO] [stdout] test merkle_bit::tests::it_chooses_the_right_branch_medium ... 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_odd_length_sorted_list_of_pairs_with_more_zeros ... 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_hard ... ok
[INFO] [stdout] test merkle_bit::tests::it_chooses_the_right_branch_easy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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_fails_an_invalid_simple_proof ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_complex_tree ... ok
[INFO] [stdout] test integration_tests::it_fails_to_get_a_nonexistent_item ... ok
[INFO] [stdout] test integration_tests::it_correctly_increments_a_leaf_reference_count ... ok
[INFO] [stdout] test integration_tests::it_fails_to_get_from_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_generates_a_simple_inclusion_proof ... ok
[INFO] [stdout] test integration_tests::it_gets_an_item_out_of_a_simple_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_tree_of_24 ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_small_balanced_tree ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_small_unbalanced_tree ... 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_tree_of_25 ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_five ... ok
[INFO] [stdout] test integration_tests::it_generates_a_medium_size_inclusion_proof ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_four ... 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_eight ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_medium_unbalanced_tree ... 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_nine ... 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_ten ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_seventeen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_fourteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_three ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_eleven ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_sixteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_eighteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_thirteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_fifteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_nineteen ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_thirty ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_nine ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twelve ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_large_unbalanced_tree ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_two ... ok
[INFO] [stdout] test integration_tests::it_fails_a_large_size_invalid_proof ... ok
[INFO] [stdout] test integration_tests::it_generates_a_large_size_inclusion_proof ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_one ... ok
[INFO] [stdout] test integration_tests::it_gets_items_from_a_large_balanced_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_leaf_node_into_empty_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_inserts_a_small_even_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_small_odd_amount_of_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty ... ok
[INFO] [stdout] test integration_tests::it_inserts_a_medium_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_handles_key_size_of_thirty_one ... ok
[INFO] [stdout] test integration_tests::it_inserts_multiple_leaf_nodes_into_empty_tree ... ok
[INFO] [stdout] test integration_tests::it_inserts_two_leaf_nodes_into_empty_tree ... 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_two_leaf_nodes_into_empty_tree_with_first_bit_split ... ok
[INFO] [stdout] test integration_tests::it_inserts_one_into_an_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_handles_key_size_of_twenty_eight ... 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_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_removes_an_old_large_root ... ok
[INFO] [stdout] test integration_tests::it_updates_an_existing_entry ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_four ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_twenty_five ... ok
[INFO] [stdout] test integration_tests::it_handles_key_size_of_thirty_two ... 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_seven ... 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_odd_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_even_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_correctly_iterates_removals ... ok
[INFO] [stdout] test integration_tests::it_inserts_multiple_leaf_nodes_into_a_tree_with_existing_items ... 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; finished in 6.90s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ea7dc16d78646546ec8b95d568810216d079e7fd708ad8c9bbd726056253d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea7dc16d78646546ec8b95d568810216d079e7fd708ad8c9bbd726056253d04", kill_on_drop: false }`
[INFO] [stdout] 8ea7dc16d78646546ec8b95d568810216d079e7fd708ad8c9bbd726056253d04