[INFO] fetching crate lexpr 0.2.6...
[INFO] testing lexpr-0.2.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lexpr 0.2.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lexpr 0.2.6 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 lexpr 0.2.6
[INFO] finished tweaking crates.io crate lexpr 0.2.6
[INFO] tweaked toml for crates.io crate lexpr 0.2.6 written to /workspace/builds/worker-6/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d0940a0069e8979b7dea8a6dde864a80df8507ec562e46204970af3b6c0066dc
[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" "d0940a0069e8979b7dea8a6dde864a80df8507ec562e46204970af3b6c0066dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0940a0069e8979b7dea8a6dde864a80df8507ec562e46204970af3b6c0066dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0940a0069e8979b7dea8a6dde864a80df8507ec562e46204970af3b6c0066dc", kill_on_drop: false }`
[INFO] [stdout] d0940a0069e8979b7dea8a6dde864a80df8507ec562e46204970af3b6c0066dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8a290bccd46a15d7ef65048144b9dcf6d3fc5ba42a1112627300adf78f6b927b
[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" "8a290bccd46a15d7ef65048144b9dcf6d3fc5ba42a1112627300adf78f6b927b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]    Compiling lexpr v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "8a290bccd46a15d7ef65048144b9dcf6d3fc5ba42a1112627300adf78f6b927b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a290bccd46a15d7ef65048144b9dcf6d3fc5ba42a1112627300adf78f6b927b", kill_on_drop: false }`
[INFO] [stdout] 8a290bccd46a15d7ef65048144b9dcf6d3fc5ba42a1112627300adf78f6b927b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f1b9ecbb6cc2872fa19363c0adfcd1ff3ba79cbda4b6c7691c16fe2c06d14279
[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" "f1b9ecbb6cc2872fa19363c0adfcd1ff3ba79cbda4b6c7691c16fe2c06d14279", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling lexpr v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.97s
[INFO] running `Command { std: "docker" "inspect" "f1b9ecbb6cc2872fa19363c0adfcd1ff3ba79cbda4b6c7691c16fe2c06d14279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b9ecbb6cc2872fa19363c0adfcd1ff3ba79cbda4b6c7691c16fe2c06d14279", kill_on_drop: false }`
[INFO] [stdout] f1b9ecbb6cc2872fa19363c0adfcd1ff3ba79cbda4b6c7691c16fe2c06d14279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e42b2d1027286d7adb9d65de5095a8f8d94cffe1152eaab0b94788b68a82cfb
[INFO] running `Command { std: "docker" "start" "-a" "1e42b2d1027286d7adb9d65de5095a8f8d94cffe1152eaab0b94788b68a82cfb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lexpr-6e8b13084b805f53)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test parse::tests::test_atom_failures ... ok
[INFO] [stdout] test parse::tests::test_byte_vectors ... ok
[INFO] [stdout] test parse::tests::test_chars_default ... ok
[INFO] [stdout] test parse::tests::test_comments ... ok
[INFO] [stdout] test parse::tests::test_decimal_numbers ... ok
[INFO] [stdout] test parse::tests::test_hex_numbers ... ok
[INFO] [stdout] test parse::tests::test_list_brackets ... ok
[INFO] [stdout] test parse::tests::test_dotted_list_location_info ... ok
[INFO] [stdout] test parse::tests::test_list_elisp ... ok
[INFO] [stdout] test parse::tests::test_list_nil_default ... ok
[INFO] [stdout] test parse::tests::test_oct_numbers ... ok
[INFO] [stdout] test parse::tests::test_strings_elisp ... ok
[INFO] [stdout] test parse::tests::test_quoted_location_info ... ok
[INFO] [stdout] test parse::tests::test_broken_lists_default ... ok
[INFO] [stdout] test parse::tests::test_strings_elisp_io ... ok
[INFO] [stdout] test parse::tests::test_parser_iterator ... ok
[INFO] [stdout] test parse::tests::test_quote_shorthand ... ok
[INFO] [stdout] test parse::tests::test_strings_io_default ... ok
[INFO] [stdout] test parse::tests::test_list_location_info ... ok
[INFO] [stdout] test parse::tests::test_symbols ... ok
[INFO] [stdout] test parse::tests::test_unquote_splicing_shorthand ... ok
[INFO] [stdout] test parse::tests::test_vector_location_info ... ok
[INFO] [stdout] test print::tests::test_keyword_syntax ... ok
[INFO] [stdout] test parse::tests::test_unquote_shorthand ... ok
[INFO] [stdout] test parse::tests::test_options_size ... ok
[INFO] [stdout] test parse::tests::test_quasiquote_shorthand ... ok
[INFO] [stdout] test parse::tests::test_lists_default ... ok
[INFO] [stdout] test parse::tests::test_strings_default ... ok
[INFO] [stdout] test parse::tests::test_list_peculiar ... ok
[INFO] [stdout] test parse::tests::test_vectors_default ... ok
[INFO] [stdout] test print::tests::test_str_escapes_default ... ok
[INFO] [stdout] test parse::tests::test_vectors_elisp ... ok
[INFO] [stdout] test print::tests::test_str_escapes_elisp ... ok
[INFO] [stdout] test parse::tests::test_vector_peculiar ... ok
[INFO] [stdout] test parse::tests::test_bin_numbers ... ok
[INFO] [stdout] test parse::tests::test_atoms_location_info ... ok
[INFO] [stdout] test parse::tests::test_atoms_default ... ok
[INFO] [stdout] test print::tests::test_options_size ... ok
[INFO] [stdout] test parse::tests::test_chars_elisp ... ok
[INFO] [stdout] test parse::tests::test_keyword_syntaxes ... ok
[INFO] [stdout] test value::tests::test_keywords ... ok
[INFO] [stdout] test value::tests::test_lists ... ok
[INFO] [stdout] test value::tests::test_symbols ... ok
[INFO] [stdout] test value::tests::test_vectors ... ok
[INFO] [stdout] test value::tests::test_strings ... ok
[INFO] [stdout] test tests::test_alist_index ... ok
[INFO] [stdout] test tests::write_parse_number ... ok
[INFO] [stdout] test value::tests::test_chars ... ok
[INFO] [stdout] test value::tests::test_dotted_lists ... ok
[INFO] [stdout] test tests::print_parse_roundtrip_custom_default ... ok
[INFO] [stdout] test tests::test_list_index ... ok
[INFO] [stdout] test tests::write_number ... ok
[INFO] [stdout] test value::tests::test_numbers ... ok
[INFO] [stdout] test tests::parse_datum_span_sanity ... ok
[INFO] [stdout] test tests::print_parse_roundtrip_default ... ok
[INFO] [stdout] test tests::print_parse_roundtrip_io_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/print-parse.rs (/opt/rustwide/target/debug/deps/print_parse-b6af05dea480bc12)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_bytes ... ok
[INFO] [stdout] test test_improper_lists ... ok
[INFO] [stdout] test test_number ... ok
[INFO] [stdout] test test_peculiar_symbols ... ok
[INFO] [stdout] test test_special_symbols ... ok
[INFO] [stdout] test test_vectors ... ok
[INFO] [stdout] test test_vectors_elisp ... ok
[INFO] [stdout] test test_symbol ... ok
[INFO] [stdout] test test_chars_elisp ... ok
[INFO] [stdout] test test_bytes_elisp ... ok
[INFO] [stdout] test test_keyword_default ... ok
[INFO] [stdout] test test_strings_elisp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lexpr
[INFO] [stdout] 
[INFO] [stdout] running 76 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 lexpr --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-0d49ce95048f8bc4.rlib --extern itoa=/opt/rustwide/target/debug/deps/libitoa-3f192c06d1c819c3.rlib --extern lexpr=/opt/rustwide/target/debug/deps/liblexpr-3d3b81933136708f.rlib --extern lexpr_macros=/opt/rustwide/target/debug/deps/liblexpr_macros-1e9306a10acc7698.so --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-fb27140ee776283d.so --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-f70a90995e335c6e.rlib --extern quickcheck_macros=/opt/rustwide/target/debug/deps/libquickcheck_macros-fcb931dc35f406df.so --extern rand=/opt/rustwide/target/debug/deps/librand-c3ad7b3394e57de5.rlib --extern ryu=/opt/rustwide/target/debug/deps/libryu-739207766fb1644f.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="fast-float-parsing"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1e42b2d1027286d7adb9d65de5095a8f8d94cffe1152eaab0b94788b68a82cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e42b2d1027286d7adb9d65de5095a8f8d94cffe1152eaab0b94788b68a82cfb", kill_on_drop: false }`
[INFO] [stdout] 1e42b2d1027286d7adb9d65de5095a8f8d94cffe1152eaab0b94788b68a82cfb