[INFO] fetching crate swc_node_comments 0.20.10...
[INFO] checking swc_node_comments-0.20.10 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate swc_node_comments 0.20.10 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate swc_node_comments 0.20.10 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_node_comments 0.20.10
[INFO] finished tweaking crates.io crate swc_node_comments 0.20.10
[INFO] tweaked toml for crates.io crate swc_node_comments 0.20.10 written to /workspace/builds/worker-7-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 69 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f8844d8fb40dc255c58b0b9aa5f6653e227408724c85b40353a1dd6a7ad32b55
[INFO] running `Command { std: "docker" "start" "-a" "f8844d8fb40dc255c58b0b9aa5f6653e227408724c85b40353a1dd6a7ad32b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8844d8fb40dc255c58b0b9aa5f6653e227408724c85b40353a1dd6a7ad32b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8844d8fb40dc255c58b0b9aa5f6653e227408724c85b40353a1dd6a7ad32b55", kill_on_drop: false }`
[INFO] [stdout] f8844d8fb40dc255c58b0b9aa5f6653e227408724c85b40353a1dd6a7ad32b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 28a26af7d135bf661ac1dc9c8c91c9c68d868c711484e67eb664536174194513
[INFO] running `Command { std: "docker" "start" "-a" "28a26af7d135bf661ac1dc9c8c91c9c68d868c711484e67eb664536174194513", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking dashmap v5.5.3
[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 from_variant v0.1.7
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[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_node_comments v0.20.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "28a26af7d135bf661ac1dc9c8c91c9c68d868c711484e67eb664536174194513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a26af7d135bf661ac1dc9c8c91c9c68d868c711484e67eb664536174194513", kill_on_drop: false }`
[INFO] [stdout] 28a26af7d135bf661ac1dc9c8c91c9c68d868c711484e67eb664536174194513
[INFO] checking swc_node_comments-0.20.10 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate swc_node_comments 0.20.10 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate swc_node_comments 0.20.10 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_node_comments 0.20.10
[INFO] finished tweaking crates.io crate swc_node_comments 0.20.10
[INFO] tweaked toml for crates.io crate swc_node_comments 0.20.10 written to /workspace/builds/worker-7-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 27705cbbd2be3648cc4dde8402e95441b04c8bec6a7cd6646524d0436cfaa0cb
[INFO] running `Command { std: "docker" "start" "-a" "27705cbbd2be3648cc4dde8402e95441b04c8bec6a7cd6646524d0436cfaa0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27705cbbd2be3648cc4dde8402e95441b04c8bec6a7cd6646524d0436cfaa0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27705cbbd2be3648cc4dde8402e95441b04c8bec6a7cd6646524d0436cfaa0cb", kill_on_drop: false }`
[INFO] [stdout] 27705cbbd2be3648cc4dde8402e95441b04c8bec6a7cd6646524d0436cfaa0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bb4c4f6d030eda19c94738f82dd7738a5031682829dda4f1d9bea15795ee7b99
[INFO] running `Command { std: "docker" "start" "-a" "bb4c4f6d030eda19c94738f82dd7738a5031682829dda4f1d9bea15795ee7b99", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking url v2.5.0
[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 tracing-attributes v0.1.27
[INFO] [stderr]    Compiling swc_visit_macros v0.5.11
[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]     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" "bb4c4f6d030eda19c94738f82dd7738a5031682829dda4f1d9bea15795ee7b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4c4f6d030eda19c94738f82dd7738a5031682829dda4f1d9bea15795ee7b99", kill_on_drop: false }`
[INFO] [stdout] bb4c4f6d030eda19c94738f82dd7738a5031682829dda4f1d9bea15795ee7b99