[INFO] fetching crate i-dunno 1.0.0...
[INFO] testing i-dunno-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate i-dunno 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate i-dunno 1.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i-dunno 1.0.0
[INFO] finished tweaking crates.io crate i-dunno 1.0.0
[INFO] tweaked toml for crates.io crate i-dunno 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate i-dunno 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded unic-emoji-char v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-age v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-ident v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-category v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-hangul v0.9.0
[INFO] [stderr]   Downloaded unic-ucd v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-normal v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-block v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-case v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-common v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-name_aliases v0.9.0
[INFO] [stderr]   Downloaded unicode-script v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ee1703b3d1a04190133496181beb24deaa5d3cd6f854e82583d2e38743b09ec
[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" "3ee1703b3d1a04190133496181beb24deaa5d3cd6f854e82583d2e38743b09ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee1703b3d1a04190133496181beb24deaa5d3cd6f854e82583d2e38743b09ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee1703b3d1a04190133496181beb24deaa5d3cd6f854e82583d2e38743b09ec", kill_on_drop: false }`
[INFO] [stdout] 3ee1703b3d1a04190133496181beb24deaa5d3cd6f854e82583d2e38743b09ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb5be29695eaffa117499b259621fd02987faa98f9fc3cff8d676d95e775d5e
[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" "ccb5be29695eaffa117499b259621fd02987faa98f9fc3cff8d676d95e775d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-ucd-hangul v0.9.0
[INFO] [stderr]    Compiling unic-ucd-category v0.9.0
[INFO] [stderr]    Compiling unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling unic-ucd-block v0.9.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name_aliases v0.9.0
[INFO] [stderr]    Compiling unic-ucd-common v0.9.0
[INFO] [stderr]    Compiling unic-ucd-case v0.9.0
[INFO] [stderr]    Compiling unic-ucd-age v0.9.0
[INFO] [stderr]    Compiling unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name v0.9.0
[INFO] [stderr]    Compiling unic-ucd-normal v0.9.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling unic-ucd v0.9.0
[INFO] [stderr]    Compiling i-dunno v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.57s
[INFO] running `Command { std: "docker" "inspect" "ccb5be29695eaffa117499b259621fd02987faa98f9fc3cff8d676d95e775d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb5be29695eaffa117499b259621fd02987faa98f9fc3cff8d676d95e775d5e", kill_on_drop: false }`
[INFO] [stdout] ccb5be29695eaffa117499b259621fd02987faa98f9fc3cff8d676d95e775d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5d4fe2f9c5ee23c1bcf1001920a3ce7fae7aaf7ed6d8a23ca90bf744b6aa6dc
[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" "e5d4fe2f9c5ee23c1bcf1001920a3ce7fae7aaf7ed6d8a23ca90bf744b6aa6dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling i-dunno v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "e5d4fe2f9c5ee23c1bcf1001920a3ce7fae7aaf7ed6d8a23ca90bf744b6aa6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d4fe2f9c5ee23c1bcf1001920a3ce7fae7aaf7ed6d8a23ca90bf744b6aa6dc", kill_on_drop: false }`
[INFO] [stdout] e5d4fe2f9c5ee23c1bcf1001920a3ce7fae7aaf7ed6d8a23ca90bf744b6aa6dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77266299fa98d94c3825fa73b25994f152708807b8a0e3975b452e110498cf92
[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" "77266299fa98d94c3825fa73b25994f152708807b8a0e3975b452e110498cf92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i_dunno-7b78bd8cc820a571)
[INFO] [stdout] 
[INFO] [stdout] running 65 tests
[INFO] [stdout] test bits::tests::taking_whole_thing_as_u32_clears_bits ... ok
[INFO] [stdout] test bytesbits::tests::zero_bytes_is_zero_bits ... ok
[INFO] [stdout] test confusion::tests::confusion_levels_are_ordered ... ok
[INFO] [stdout] test confusion::tests::empty_string_is_not_confusing ... ok
[INFO] [stdout] test confusion::tests::form_feed_is_inprintable ... ok
[INFO] [stdout] test bits::tests::taking_some_bits_leaves_the_rest ... ok
[INFO] [stdout] test confusion::tests::normal_string_is_not_confusing ... ok
[INFO] [stdout] test confusion::tests::empty_string_does_not_contain_multi_octet_code_points ... ok
[INFO] [stdout] test confusion::tests::bel_code_point_is_unprintable ... ok
[INFO] [stdout] test bytesbits::tests::some_numbers_come_out_as_bits ... ok
[INFO] [stdout] test bytesbits::tests::empty_list_of_bytes_is_no_bits ... ok
[INFO] [stdout] test confusion::tests::chars_with_different_directionalities_are_detected ... ok
[INFO] [stdout] test combinations::tests::given_enough_bits_for_a_single_char_then_combs_returns_it ... ok
[INFO] [stdout] test confusion::tests::single_char_has_one_directionality ... ok
[INFO] [stdout] test confusion::tests::string_with_symbols_etc_is_delightful ... ok
[INFO] [stdout] test confusion::tests::string_without_multiple_scripts_is_delightful ... ok
[INFO] [stdout] test confusion::tests::string_with_bel_plus_min_reqs_is_delightful ... ok
[INFO] [stdout] test confusion::tests::string_without_symbols_or_multiple_scripts_is_not_satisfactory ... ok
[INFO] [stdout] test combinations::tests::combs_explores_multiple_alternatives ... ok
[INFO] [stdout] test combinations::tests::combs_returns_multiple_numbers ... ok
[INFO] [stdout] test confusion::tests::e_acute_does_contain_multi_octet_code_points ... ok
[INFO] [stdout] test confusion::tests::many_chars_with_same_directionality_are_not_enough ... ok
[INFO] [stdout] test decode::tests::can_make_byte_from_8_bits ... ok
[INFO] [stdout] test confusion::tests::string_with_just_bel_is_not_confusing ... ok
[INFO] [stdout] test decode::tests::bits_from_utf8_bytes_extracts_the_right_bits ... ok
[INFO] [stdout] test confusion::tests::string_with_multibyte_and_disallowed_char_is_minimum ... ok
[INFO] [stdout] test confusion::tests::string_without_symbols_is_delightful ... ok
[INFO] [stdout] test confusion::tests::zero_code_point_makes_string_idna_disallowed ... ok
[INFO] [stdout] test data::code_generation::process_idna::tests::example ... ok
[INFO] [stdout] test confusion::tests::string_with_multibyte_and_disallowed_char_is_delightful ... ok
[INFO] [stdout] test encode::tests::encoding_of_something_with_no_valid_encodings ... ok
[INFO] [stdout] test confusion::tests::string_with_symbols_etc_is_satisfactory ... ok
[INFO] [stdout] test encode::tests::all_encodings_of_198_51_100_164 ... ok
[INFO] [stdout] test decode::tests::decoding_an_ipv6_address ... ok
[INFO] [stdout] test decode::tests::decoding_an_ipv6_address_with_lots_of_options ... ok
[INFO] [stdout] test encode::tests::encode_localhost ... ok
[INFO] [stdout] test decode::tests::decode_a_small_number ... ok
[INFO] [stdout] test decode::tests::decode_localhost ... ok
[INFO] [stdout] test decode::tests::decoding_198_51_100_164 ... ok
[INFO] [stdout] test decode::tests::decode_a_tiny_number ... ok
[INFO] [stdout] test combinations::tests::if_number_of_bytes_does_not_match_character_sizes_we_return_nothing ... ok
[INFO] [stdout] test confusion::tests::ascii_string_does_not_contain_multi_octet_code_points ... ok
[INFO] [stdout] test i_dunno_unicode::tests::example_is_not_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::double_quotes_are_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::bell_is_unprintable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::ka_is_rtl ... ok
[INFO] [stdout] test i_dunno_unicode::tests::a_is_printable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::latin_letters_are_not_emoji ... ok
[INFO] [stdout] test i_dunno_unicode::tests::many_things_are_common ... ok
[INFO] [stdout] test i_dunno_unicode::tests::maths_r_is_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::two_extreme_chars_have_different_dirs ... ok
[INFO] [stdout] test i_dunno_unicode::tests::modifier_symbols_are_symbols ... ok
[INFO] [stdout] test i_dunno_unicode::tests::pile_of_poo_is_an_emoji ... ok
[INFO] [stdout] test i_dunno_unicode::tests::a_is_ltr ... ok
[INFO] [stdout] test i_dunno_unicode::tests::some_cyrillic_is_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::upside_down_question_mark_is_not_confusable ... ok
[INFO] [stdout] test encode::tests::encoding_an_ipv6_address ... ok
[INFO] [stdout] test i_dunno_unicode::tests::some_weird_characters_are_not_symbols ... ok
[INFO] [stdout] test vecboolbits::tests::empty_list_of_bytes_is_no_bits ... ok
[INFO] [stdout] test decode::tests::decoding_something_with_only_one_delightful_but_more_satisfactory ... ok
[INFO] [stdout] test vecboolbits::tests::zero_bytes_is_zero_bits ... ok
[INFO] [stdout] test vecboolbits::tests::some_numbers_come_out_as_bits ... ok
[INFO] [stdout] test encode::tests::encoding_of_something_with_only_one_encoding ... ok
[INFO] [stdout] test encode::tests::encoding_something_with_only_one_delightful_but_more_satisfactory ... ok
[INFO] [stdout] test encode::tests::encoding_an_ipv6_address_with_lots_of_options ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 65 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i_dunno-3653c113ed8b7867)
[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] [stderr]      Running tests/test_examples.rs (/opt/rustwide/target/debug/deps/test_examples-ba29e035b4a26ad9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test our_behaviour_should_match_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.97s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i-dunno
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/encode.rs - encode::encode_all (line 59) ... ok
[INFO] [stdout] test src/encode.rs - encode::encode (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77266299fa98d94c3825fa73b25994f152708807b8a0e3975b452e110498cf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77266299fa98d94c3825fa73b25994f152708807b8a0e3975b452e110498cf92", kill_on_drop: false }`
[INFO] [stdout] 77266299fa98d94c3825fa73b25994f152708807b8a0e3975b452e110498cf92