[INFO] fetching crate suff_collections 2.0.0...
[INFO] testing suff_collections-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate suff_collections 2.0.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate suff_collections 2.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate suff_collections 2.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate suff_collections 2.0.0
[INFO] tweaked toml for crates.io crate suff_collections 2.0.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d1e2cb3e43c76425131c5cea7f5a20ae393f9b7ceaf9dd1668d34061cfecb49
[INFO] running `Command { std: "docker" "start" "-a" "5d1e2cb3e43c76425131c5cea7f5a20ae393f9b7ceaf9dd1668d34061cfecb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1e2cb3e43c76425131c5cea7f5a20ae393f9b7ceaf9dd1668d34061cfecb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1e2cb3e43c76425131c5cea7f5a20ae393f9b7ceaf9dd1668d34061cfecb49", kill_on_drop: false }`
[INFO] [stdout] 5d1e2cb3e43c76425131c5cea7f5a20ae393f9b7ceaf9dd1668d34061cfecb49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c69d2f6418c308362f7d883ee0ec0b2698e9d857f6810aa5a21b7d9a75fa2671
[INFO] running `Command { std: "docker" "start" "-a" "c69d2f6418c308362f7d883ee0ec0b2698e9d857f6810aa5a21b7d9a75fa2671", kill_on_drop: false }`
[INFO] [stderr]    Compiling suff_collections v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "c69d2f6418c308362f7d883ee0ec0b2698e9d857f6810aa5a21b7d9a75fa2671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69d2f6418c308362f7d883ee0ec0b2698e9d857f6810aa5a21b7d9a75fa2671", kill_on_drop: false }`
[INFO] [stdout] c69d2f6418c308362f7d883ee0ec0b2698e9d857f6810aa5a21b7d9a75fa2671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3712b7d022e62ce1d3148923d84c0e749e72e4526c0b113ab97985095c48f6a
[INFO] running `Command { std: "docker" "start" "-a" "b3712b7d022e62ce1d3148923d84c0e749e72e4526c0b113ab97985095c48f6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling suff_collections v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.06s
[INFO] running `Command { std: "docker" "inspect" "b3712b7d022e62ce1d3148923d84c0e749e72e4526c0b113ab97985095c48f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3712b7d022e62ce1d3148923d84c0e749e72e4526c0b113ab97985095c48f6a", kill_on_drop: false }`
[INFO] [stdout] b3712b7d022e62ce1d3148923d84c0e749e72e4526c0b113ab97985095c48f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e395ffa7c7d686c05f4895866d7cf23bec98b7fb440eaae7119c396a4ca5d8d
[INFO] running `Command { std: "docker" "start" "-a" "6e395ffa7c7d686c05f4895866d7cf23bec98b7fb440eaae7119c396a4ca5d8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/suff_collections-4953cb00fae2968e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bit::test::t1 ... ok
[INFO] [stdout] test bit::test::t2 ... ok
[INFO] [stdout] test bit::test::t3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-edb8611e9698da86)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test_suffix_array_overflow_2 - should panic ... ok
[INFO] [stdout] test test_suffix_array_overflow_4 - should panic ... ok
[INFO] [stdout] test test_suffix_array_overflow_1 - should panic ... ok
[INFO] [stdout] test test_suffix_array_overflow_3 - should panic ... ok
[INFO] [stdout] test test_build_suffix_array_and_find_all ... ok
[INFO] [stdout] test test_build_suffix_array_and_find_all_big ... ok
[INFO] [stdout] test test_build_ukkonen_and_find ... ok
[INFO] [stdout] test test_build_suffix_array_compress ... ok
[INFO] [stdout] test test_build_suffix_array ... ok
[INFO] [stdout] test test_build_suffix_array_stack_compress ... ok
[INFO] [stdout] test test_build_suffix_array_and_find ... ok
[INFO] [stdout] test test_build_suffix_array_stack ... ok
[INFO] [stdout] test test_build_suffix_array_and_find_big ... ok
[INFO] [stdout] test test_build_suffix_array_and_lcp ... ok
[INFO] [stdout] test test_suffix_tree_to_suffix_array ... ok
[INFO] [stdout] test test_suffix_array_to_suffix_tree_to_suffix_array ... ok
[INFO] [stdout] test test_build_suffix_tree_and_lcp ... ok
[INFO] [stdout] test test_build_online_suffix_tree_to_suffix_tree_and_lcp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.77s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests suff_collections
[INFO] [stdout] 
[INFO] [stdout] running 45 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::from (line 440) ... FAILED
[INFO] [stdout] test src/array.rs - array (line 5) ... FAILED
[INFO] [stdout] test src/lcp.rs - lcp::LCP<T>::owned (line 30) ... FAILED
[INFO] [stdout] test src/array.rs - array::SuffixArray::find_big (line 490) ... FAILED
[INFO] [stdout] test src/lcp.rs - lcp::LCP<T>::is_empty (line 70) ... FAILED
[INFO] [stdout] test src/array.rs - array::SuffixArray::find_all_big (line 505) ... FAILED
[INFO] [stdout] test src/array.rs - array::SuffixArray::find (line 455) ... FAILED
[INFO] [stdout] test src/lcp.rs - lcp::LCP<T>::inner (line 17) ... FAILED
[INFO] [stdout] test src/array.rs - array::SuffixArray::iter (line 365) ... FAILED
[INFO] [stdout] test src/tree.rs - tree::OnlineSuffixTree::finish (line 584) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::new (line 145) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node::link (line 63) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::word (line 320) ... ok
[INFO] [stdout] test src/tree.rs - tree::NodeIdx::unwrap (line 660) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::root_node (line 345) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::lcp (line 195) ... ok
[INFO] [stdout] test src/tree.rs - tree::OnlineSuffixTree::find (line 620) ... ok
[INFO] [stdout] test src/tree.rs - tree::OnlineSuffixTree::new (line 533) ... ok
[INFO] [stdout] test src/tree.rs - tree::NodeIdx::root (line 644) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::is_root (line 307) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::to_graphviz (line 248) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::from (line 595) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::find (line 182) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node::children (line 90) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::try_to_node (line 360) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node::pos (line 117) ... ok
[INFO] [stdout] test src/tree.rs - tree (line 5) ... ok
[INFO] [stdout] test src/tree.rs - tree::OnlineSuffixTree::add (line 558) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::new_compress (line 129) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node::parent (line 76) ... ok
[INFO] [stdout] test src/lcp.rs - lcp::LCP<T>::iter (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/tree.rs - tree::SuffixTree::node (line 333) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::word (line 399) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::lcp (line 413) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::new (line 247) ... ok
[INFO] [stdout] test src/tree.rs - tree::Node::len (line 103) ... ok
[INFO] [stdout] test src/lcp.rs - lcp::LCP<T>::idx (line 83) ... ok
[INFO] [stdout] test src/lcp.rs - lcp::LCP<T>::len (line 57) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::find_all (line 475) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::suffix_array (line 387) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::new_stack (line 306) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::new_stack_compress (line 189) ... ok
[INFO] [stdout] test src/array.rs - array::SuffixArray::split_owned (line 376) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tree.rs - tree::SuffixTree::from (line 440) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/array.rs - array (line 5) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lcp.rs - lcp::LCP<T>::owned (line 30) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/array.rs - array::SuffixArray::find_big (line 490) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lcp.rs - lcp::LCP<T>::is_empty (line 70) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/array.rs - array::SuffixArray::find_all_big (line 505) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/array.rs - array::SuffixArray::find (line 455) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lcp.rs - lcp::LCP<T>::inner (line 17) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/array.rs - array::SuffixArray::iter (line 365) stdout ----
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/array.rs - array (line 5)
[INFO] [stdout]     src/array.rs - array::SuffixArray::find (line 455)
[INFO] [stdout]     src/array.rs - array::SuffixArray::find_all_big (line 505)
[INFO] [stdout]     src/array.rs - array::SuffixArray::find_big (line 490)
[INFO] [stdout]     src/array.rs - array::SuffixArray::iter (line 365)
[INFO] [stdout]     src/lcp.rs - lcp::LCP<T>::inner (line 17)
[INFO] [stdout]     src/lcp.rs - lcp::LCP<T>::is_empty (line 70)
[INFO] [stdout]     src/lcp.rs - lcp::LCP<T>::owned (line 30)
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout]     src/tree.rs - tree::SuffixTree::from (line 440)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 35 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.82s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6e395ffa7c7d686c05f4895866d7cf23bec98b7fb440eaae7119c396a4ca5d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e395ffa7c7d686c05f4895866d7cf23bec98b7fb440eaae7119c396a4ca5d8d", kill_on_drop: false }`
[INFO] [stdout] 6e395ffa7c7d686c05f4895866d7cf23bec98b7fb440eaae7119c396a4ca5d8d