[INFO] fetching crate i-dunno 1.0.0...
[INFO] testing i-dunno-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate i-dunno 1.0.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate i-dunno 1.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate i-dunno 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-script v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 035c4209c79afbd53df07f91798e2e9ef973f778747d13dba69d4401c090f867
[INFO] running `Command { std: "docker" "start" "-a" "035c4209c79afbd53df07f91798e2e9ef973f778747d13dba69d4401c090f867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035c4209c79afbd53df07f91798e2e9ef973f778747d13dba69d4401c090f867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035c4209c79afbd53df07f91798e2e9ef973f778747d13dba69d4401c090f867", kill_on_drop: false }`
[INFO] [stdout] 035c4209c79afbd53df07f91798e2e9ef973f778747d13dba69d4401c090f867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fbf25d8441cd72501ea1a45545f3394330f2122b910c0e0dcf800a3ff18deeec
[INFO] running `Command { std: "docker" "start" "-a" "fbf25d8441cd72501ea1a45545f3394330f2122b910c0e0dcf800a3ff18deeec", 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 getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-script v0.5.2
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unic-char-property 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-name_aliases v0.9.0
[INFO] [stderr]    Compiling unic-ucd-case v0.9.0
[INFO] [stderr]    Compiling unic-ucd-name v0.9.0
[INFO] [stderr]    Compiling unic-ucd-block v0.9.0
[INFO] [stderr]    Compiling unic-ucd-common v0.9.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling unic-ucd-age v0.9.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling unic-emoji-char v0.9.0
[INFO] [stderr]    Compiling unic-ucd-normal v0.9.0
[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] [stdout] warning: struct `VecBoolBits` is never constructed
[INFO] [stdout]  --> src/vecboolbits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VecBoolBits {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VecBoolBits` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.24s
[INFO] running `Command { std: "docker" "inspect" "fbf25d8441cd72501ea1a45545f3394330f2122b910c0e0dcf800a3ff18deeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf25d8441cd72501ea1a45545f3394330f2122b910c0e0dcf800a3ff18deeec", kill_on_drop: false }`
[INFO] [stdout] fbf25d8441cd72501ea1a45545f3394330f2122b910c0e0dcf800a3ff18deeec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 149c3aac1a806d4846ad48a57681beb96183205ace850cd60cff95efbb4221fa
[INFO] running `Command { std: "docker" "start" "-a" "149c3aac1a806d4846ad48a57681beb96183205ace850cd60cff95efbb4221fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stdout] warning: struct `VecBoolBits` is never constructed
[INFO] [stdout]  --> src/vecboolbits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct VecBoolBits {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VecBoolBits` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling i-dunno v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "149c3aac1a806d4846ad48a57681beb96183205ace850cd60cff95efbb4221fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149c3aac1a806d4846ad48a57681beb96183205ace850cd60cff95efbb4221fa", kill_on_drop: false }`
[INFO] [stdout] 149c3aac1a806d4846ad48a57681beb96183205ace850cd60cff95efbb4221fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3e1cd74c72c2690b5b8b1a1de609ba3001c3883ce4e86be0589b4685f22fea68
[INFO] running `Command { std: "docker" "start" "-a" "3e1cd74c72c2690b5b8b1a1de609ba3001c3883ce4e86be0589b4685f22fea68", kill_on_drop: false }`
[INFO] [stderr] warning: struct `VecBoolBits` is never constructed
[INFO] [stderr]  --> src/vecboolbits.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct VecBoolBits {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `VecBoolBits` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `i-dunno` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/i_dunno-888ac175c6545400)
[INFO] [stdout] 
[INFO] [stdout] running 65 tests
[INFO] [stdout] test bytesbits::tests::empty_list_of_bytes_is_no_bits ... ok
[INFO] [stdout] test bytesbits::tests::some_numbers_come_out_as_bits ... ok
[INFO] [stdout] test bytesbits::tests::zero_bytes_is_zero_bits ... ok
[INFO] [stdout] test bits::tests::taking_whole_thing_as_u32_clears_bits ... ok
[INFO] [stdout] test combinations::tests::given_enough_bits_for_a_single_char_then_combs_returns_it ... ok
[INFO] [stdout] test bits::tests::taking_some_bits_leaves_the_rest ... ok
[INFO] [stdout] test combinations::tests::combs_returns_multiple_numbers ... 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 confusion::tests::bel_code_point_is_unprintable ... ok
[INFO] [stdout] test confusion::tests::confusion_levels_are_ordered ... ok
[INFO] [stdout] test confusion::tests::empty_string_does_not_contain_multi_octet_code_points ... ok
[INFO] [stdout] test confusion::tests::normal_string_is_not_confusing ... ok
[INFO] [stdout] test confusion::tests::string_with_bel_plus_min_reqs_is_delightful ... ok
[INFO] [stdout] test confusion::tests::chars_with_different_directionalities_are_detected ... ok
[INFO] [stdout] test confusion::tests::string_with_multibyte_and_disallowed_char_is_minimum ... ok
[INFO] [stdout] test confusion::tests::form_feed_is_inprintable ... ok
[INFO] [stdout] test confusion::tests::many_chars_with_same_directionality_are_not_enough ... ok
[INFO] [stdout] test confusion::tests::empty_string_is_not_confusing ... ok
[INFO] [stdout] test confusion::tests::string_with_symbols_etc_is_delightful ... ok
[INFO] [stdout] test confusion::tests::string_with_just_bel_is_not_confusing ... ok
[INFO] [stdout] test confusion::tests::string_with_multibyte_and_disallowed_char_is_delightful ... ok
[INFO] [stdout] test confusion::tests::single_char_has_one_directionality ... ok
[INFO] [stdout] test confusion::tests::string_without_multiple_scripts_is_delightful ... ok
[INFO] [stdout] test confusion::tests::string_without_symbols_is_delightful ... ok
[INFO] [stdout] test confusion::tests::string_without_symbols_or_multiple_scripts_is_not_satisfactory ... ok
[INFO] [stdout] test confusion::tests::zero_code_point_makes_string_idna_disallowed ... ok
[INFO] [stdout] test decode::tests::can_make_byte_from_8_bits ... ok
[INFO] [stdout] test data::code_generation::process_idna::tests::example ... ok
[INFO] [stdout] test decode::tests::bits_from_utf8_bytes_extracts_the_right_bits ... ok
[INFO] [stdout] test confusion::tests::e_acute_does_contain_multi_octet_code_points ... ok
[INFO] [stdout] test decode::tests::decoding_an_ipv6_address ... ok
[INFO] [stdout] test decode::tests::decode_a_tiny_number ... ok
[INFO] [stdout] test decode::tests::decode_localhost ... ok
[INFO] [stdout] test decode::tests::decoding_an_ipv6_address_with_lots_of_options ... ok
[INFO] [stdout] test decode::tests::decoding_198_51_100_164 ... ok
[INFO] [stdout] test combinations::tests::combs_explores_multiple_alternatives ... 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 encode::tests::encode_localhost ... ok
[INFO] [stdout] test i_dunno_unicode::tests::a_is_printable ... ok
[INFO] [stdout] test encode::tests::encoding_of_something_with_no_valid_encodings ... ok
[INFO] [stdout] test decode::tests::decoding_something_with_only_one_delightful_but_more_satisfactory ... ok
[INFO] [stdout] test encode::tests::encoding_an_ipv6_address ... ok
[INFO] [stdout] test decode::tests::decode_a_small_number ... ok
[INFO] [stdout] test i_dunno_unicode::tests::a_is_ltr ... ok
[INFO] [stdout] test encode::tests::encoding_something_with_only_one_delightful_but_more_satisfactory ... ok
[INFO] [stdout] test i_dunno_unicode::tests::double_quotes_are_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::two_extreme_chars_have_different_dirs ... ok
[INFO] [stdout] test i_dunno_unicode::tests::example_is_not_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::upside_down_question_mark_is_not_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::ka_is_rtl ... ok
[INFO] [stdout] test i_dunno_unicode::tests::bell_is_unprintable ... 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::latin_letters_are_not_emoji ... ok
[INFO] [stdout] test i_dunno_unicode::tests::some_cyrillic_is_confusable ... ok
[INFO] [stdout] test i_dunno_unicode::tests::some_weird_characters_are_not_symbols ... ok
[INFO] [stdout] test i_dunno_unicode::tests::many_things_are_common ... ok
[INFO] [stdout] test vecboolbits::tests::empty_list_of_bytes_is_no_bits ... ok
[INFO] [stdout] test i_dunno_unicode::tests::maths_r_is_confusable ... ok
[INFO] [stdout] test vecboolbits::tests::some_numbers_come_out_as_bits ... ok
[INFO] [stdout] test vecboolbits::tests::zero_bytes_is_zero_bits ... ok
[INFO] [stdout] test encode::tests::encoding_of_something_with_only_one_encoding ... 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 src/bin/i-dunno.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/i_dunno-43b2c32ac302ef56)
[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/x86_64-unknown-linux-musl/debug/deps/test_examples-76fa7b92af61f8f5)
[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 1.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e1cd74c72c2690b5b8b1a1de609ba3001c3883ce4e86be0589b4685f22fea68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1cd74c72c2690b5b8b1a1de609ba3001c3883ce4e86be0589b4685f22fea68", kill_on_drop: false }`
[INFO] [stdout] 3e1cd74c72c2690b5b8b1a1de609ba3001c3883ce4e86be0589b4685f22fea68