[INFO] cloning repository https://github.com/Levieber/ferro-runtime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Levieber/ferro-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevieber%2Fferro-runtime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevieber%2Fferro-runtime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1f849bb27899c3246f88abc36493b65469666b6
[INFO] checking Levieber/ferro-runtime against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevieber%2Fferro-runtime" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Levieber/ferro-runtime on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Levieber/ferro-runtime
[INFO] finished tweaking git repo https://github.com/Levieber/ferro-runtime
[INFO] tweaked toml for git repo https://github.com/Levieber/ferro-runtime written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Levieber/ferro-runtime 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerofrom-derive v0.1.3
[INFO] [stderr]   Downloaded zerofrom v0.1.3
[INFO] [stderr]   Downloaded boa_macros v0.17.3
[INFO] [stderr]   Downloaded icu_provider_macros v1.2.0
[INFO] [stderr]   Downloaded yoke-derive v0.7.3
[INFO] [stderr]   Downloaded write16 v1.0.0
[INFO] [stderr]   Downloaded yoke v0.7.3
[INFO] [stderr]   Downloaded icu_provider_adapters v1.2.0
[INFO] [stderr]   Downloaded utf8_iter v1.0.4
[INFO] [stderr]   Downloaded icu_provider_blob v1.2.0
[INFO] [stderr]   Downloaded boa_gc v0.17.3
[INFO] [stderr]   Downloaded boa_profiler v0.17.3
[INFO] [stderr]   Downloaded icu_locid v1.2.0
[INFO] [stderr]   Downloaded boa_ast v0.17.3
[INFO] [stderr]   Downloaded boa_parser v0.17.3
[INFO] [stderr]   Downloaded boa_engine v0.17.3
[INFO] [stderr]   Downloaded icu_collections v1.2.0
[INFO] [stderr]   Downloaded regress v0.6.0
[INFO] [stderr]   Downloaded icu_properties v1.2.0
[INFO] [stderr]   Downloaded litemap v0.7.2
[INFO] [stderr]   Downloaded writeable v0.5.4
[INFO] [stderr]   Downloaded icu_provider v1.2.0
[INFO] [stderr]   Downloaded icu_normalizer v1.2.0
[INFO] [stderr]   Downloaded tinystr v0.7.2
[INFO] [stderr]   Downloaded utf16_iter v1.0.5
[INFO] [stderr]   Downloaded boa_interner v0.17.3
[INFO] [stderr]   Downloaded zerovec-derive v0.9.6
[INFO] [stderr]   Downloaded boa_icu_provider v0.17.3
[INFO] [stderr]   Downloaded zerovec v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 472cf796494210ce3c6472cb3993909507c440ac002197a3c1ae305c0ff162fc
[INFO] running `Command { std: "docker" "start" "-a" "472cf796494210ce3c6472cb3993909507c440ac002197a3c1ae305c0ff162fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "472cf796494210ce3c6472cb3993909507c440ac002197a3c1ae305c0ff162fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472cf796494210ce3c6472cb3993909507c440ac002197a3c1ae305c0ff162fc", kill_on_drop: false }`
[INFO] [stdout] 472cf796494210ce3c6472cb3993909507c440ac002197a3c1ae305c0ff162fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e26f434b923e12378a2fe7ecd549aff551ec8edc29c1a21426ce28de4b27442
[INFO] running `Command { std: "docker" "start" "-a" "4e26f434b923e12378a2fe7ecd549aff551ec8edc29c1a21426ce28de4b27442", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking writeable v0.5.4
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]     Checking litemap v0.7.2
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]     Checking boa_profiler v0.17.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking regress v0.6.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling icu_provider_macros v1.2.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling zerofrom-derive v0.1.3
[INFO] [stderr]    Compiling yoke-derive v0.7.3
[INFO] [stderr]    Compiling zerovec-derive v0.9.6
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling boa_macros v0.17.3
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking boa_gc v0.17.3
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking boa_interner v0.17.3
[INFO] [stderr]     Checking zerofrom v0.1.3
[INFO] [stderr]     Checking yoke v0.7.3
[INFO] [stderr]     Checking postcard v1.0.8
[INFO] [stderr]     Checking zerovec v0.9.6
[INFO] [stderr]     Checking boa_ast v0.17.3
[INFO] [stderr]     Checking tinystr v0.7.2
[INFO] [stderr]     Checking icu_collections v1.2.0
[INFO] [stderr]     Checking icu_locid v1.2.0
[INFO] [stderr]     Checking icu_provider v1.2.0
[INFO] [stderr]     Checking icu_properties v1.2.0
[INFO] [stderr]     Checking icu_provider_adapters v1.2.0
[INFO] [stderr]     Checking icu_provider_blob v1.2.0
[INFO] [stderr]     Checking icu_normalizer v1.2.0
[INFO] [stderr]     Checking boa_icu_provider v0.17.3
[INFO] [stderr]     Checking boa_parser v0.17.3
[INFO] [stderr]     Checking boa_engine v0.17.3
[INFO] [stderr]     Checking ferro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.65s
[INFO] running `Command { std: "docker" "inspect" "4e26f434b923e12378a2fe7ecd549aff551ec8edc29c1a21426ce28de4b27442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e26f434b923e12378a2fe7ecd549aff551ec8edc29c1a21426ce28de4b27442", kill_on_drop: false }`
[INFO] [stdout] 4e26f434b923e12378a2fe7ecd549aff551ec8edc29c1a21426ce28de4b27442
[INFO] checking Levieber/ferro-runtime against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevieber%2Fferro-runtime" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Levieber/ferro-runtime on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Levieber/ferro-runtime
[INFO] finished tweaking git repo https://github.com/Levieber/ferro-runtime
[INFO] tweaked toml for git repo https://github.com/Levieber/ferro-runtime written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Levieber/ferro-runtime 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c64e091a77aa864285fbdd3dde73350a45fca0db909761d4f6ca1a8aa4e35c5
[INFO] running `Command { std: "docker" "start" "-a" "6c64e091a77aa864285fbdd3dde73350a45fca0db909761d4f6ca1a8aa4e35c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c64e091a77aa864285fbdd3dde73350a45fca0db909761d4f6ca1a8aa4e35c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c64e091a77aa864285fbdd3dde73350a45fca0db909761d4f6ca1a8aa4e35c5", kill_on_drop: false }`
[INFO] [stdout] 6c64e091a77aa864285fbdd3dde73350a45fca0db909761d4f6ca1a8aa4e35c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f598a52528557a2c6bee7cb1c30aad76d000f4f212631944e4f42d9dc0b8080d
[INFO] running `Command { std: "docker" "start" "-a" "f598a52528557a2c6bee7cb1c30aad76d000f4f212631944e4f42d9dc0b8080d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking writeable v0.5.4
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking litemap v0.7.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling ahash v0.8.8
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling indexmap v2.2.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking boa_profiler v0.17.3
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking regress v0.6.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regress-0.6.0/src/classicalbacktrack.rs:544:25
[INFO] [stdout]     |
[INFO] [stdout] 544 | /                         if $e {
[INFO] [stdout] 545 | |                             ip += 1;
[INFO] [stdout] 546 | |                             continue 'nextinsn;
[INFO] [stdout] 547 | |                         } else {
[INFO] [stdout] 548 | |                             break 'backtrack;
[INFO] [stdout] 549 | |                         }
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 560 |                           next_or_bt!(m);
[INFO] [stdout]     |                           -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `next_or_bt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regress-0.6.0/src/util.rs:21:13
[INFO] [stdout]     |
[INFO] [stdout] 21  |             unsafe { core::hint::unreachable_unchecked() }
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `_ -> _`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regress-0.6.0/src/indexing.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |             rs_unreachable!("Should have decoded a valid char from utf8 sequence");
[INFO] [stdout]     |             ---------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `rs_unreachable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regress-0.6.0/src/util.rs:21:13
[INFO] [stdout]     |
[INFO] [stdout] 21  |             unsafe { core::hint::unreachable_unchecked() }
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `_ -> _`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regress-0.6.0/src/indexing.rs:348:13
[INFO] [stdout]     |
[INFO] [stdout] 348 |             rs_unreachable!("Should have decoded a valid char from utf8 sequence");
[INFO] [stdout]     |             ---------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `rs_unreachable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling icu_provider_macros v1.2.0
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regress` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f598a52528557a2c6bee7cb1c30aad76d000f4f212631944e4f42d9dc0b8080d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f598a52528557a2c6bee7cb1c30aad76d000f4f212631944e4f42d9dc0b8080d", kill_on_drop: false }`
[INFO] [stdout] f598a52528557a2c6bee7cb1c30aad76d000f4f212631944e4f42d9dc0b8080d