[INFO] fetching crate swc_css_visit 0.139.11...
[INFO] checking swc_css_visit-0.139.11 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate swc_css_visit 0.139.11 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate swc_css_visit 0.139.11 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 crates.io crate swc_css_visit 0.139.11
[INFO] finished tweaking crates.io crate swc_css_visit 0.139.11
[INFO] tweaked toml for crates.io crate swc_css_visit 0.139.11 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded swc_css_ast v0.140.21
[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] aa034d68a2612938ced056a318956b81e21d7648e93611f3d06d77615b14a9ab
[INFO] running `Command { std: "docker" "start" "-a" "aa034d68a2612938ced056a318956b81e21d7648e93611f3d06d77615b14a9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa034d68a2612938ced056a318956b81e21d7648e93611f3d06d77615b14a9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa034d68a2612938ced056a318956b81e21d7648e93611f3d06d77615b14a9ab", kill_on_drop: false }`
[INFO] [stdout] aa034d68a2612938ced056a318956b81e21d7648e93611f3d06d77615b14a9ab
[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] 9bcadf60416d06b06cc69e8f345696b9668fd32127b4b07a88791bee543598c9
[INFO] running `Command { std: "docker" "start" "-a" "9bcadf60416d06b06cc69e8f345696b9668fd32127b4b07a88791bee543598c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]    Compiling swc_macros_common v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling swc_visit_macros v0.5.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling from_variant v0.1.7
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]    Compiling string_enum v0.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking swc_visit v0.5.10
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking triomphe v0.1.11
[INFO] [stderr]     Checking hstr v0.2.8
[INFO] [stderr]     Checking swc_atoms v0.6.5
[INFO] [stderr]     Checking swc_common v0.33.21
[INFO] [stderr]     Checking swc_css_ast v0.140.21
[INFO] [stderr]     Checking swc_css_visit v0.139.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.72s
[INFO] running `Command { std: "docker" "inspect" "9bcadf60416d06b06cc69e8f345696b9668fd32127b4b07a88791bee543598c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcadf60416d06b06cc69e8f345696b9668fd32127b4b07a88791bee543598c9", kill_on_drop: false }`
[INFO] [stdout] 9bcadf60416d06b06cc69e8f345696b9668fd32127b4b07a88791bee543598c9
[INFO] checking swc_css_visit-0.139.11 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate swc_css_visit 0.139.11 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate swc_css_visit 0.139.11 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 crates.io crate swc_css_visit 0.139.11
[INFO] finished tweaking crates.io crate swc_css_visit 0.139.11
[INFO] tweaked toml for crates.io crate swc_css_visit 0.139.11 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] d09f123a42049581075a92d3f823e917806f218134779fe7e16c9d48f6b25e5a
[INFO] running `Command { std: "docker" "start" "-a" "d09f123a42049581075a92d3f823e917806f218134779fe7e16c9d48f6b25e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d09f123a42049581075a92d3f823e917806f218134779fe7e16c9d48f6b25e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09f123a42049581075a92d3f823e917806f218134779fe7e16c9d48f6b25e5a", kill_on_drop: false }`
[INFO] [stdout] d09f123a42049581075a92d3f823e917806f218134779fe7e16c9d48f6b25e5a
[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] 87ed80c468412e91bcf23877360037cb4e8078692dca30a1a4cbbbb446405cdb
[INFO] running `Command { std: "docker" "start" "-a" "87ed80c468412e91bcf23877360037cb4e8078692dca30a1a4cbbbb446405cdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling swc_macros_common v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling swc_visit_macros v0.5.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[INFO] [stderr]    Compiling from_variant v0.1.7
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]    Compiling string_enum v0.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking swc_visit v0.5.10
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking triomphe v0.1.11
[INFO] [stderr]     Checking hstr v0.2.8
[INFO] [stderr]     Checking swc_atoms v0.6.5
[INFO] [stderr]     Checking swc_common v0.33.21
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/swc_common-0.33.21/src/input.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 debug_unreachable!("bump should not be called when cur() == None");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `_ -> _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `debug_unreachable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `swc_common` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "87ed80c468412e91bcf23877360037cb4e8078692dca30a1a4cbbbb446405cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ed80c468412e91bcf23877360037cb4e8078692dca30a1a4cbbbb446405cdb", kill_on_drop: false }`
[INFO] [stdout] 87ed80c468412e91bcf23877360037cb4e8078692dca30a1a4cbbbb446405cdb