[INFO] fetching crate swc_xml_visit 0.12.10...
[INFO] checking swc_xml_visit-0.12.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate swc_xml_visit 0.12.10 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate swc_xml_visit 0.12.10 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_xml_visit 0.12.10
[INFO] finished tweaking crates.io crate swc_xml_visit 0.12.10
[INFO] tweaked toml for crates.io crate swc_xml_visit 0.12.10 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swc_xml_ast v0.12.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6baa7ba86b29c034c1265016b095506c44c3988f000f88acd75ad44b7306e51
[INFO] running `Command { std: "docker" "start" "-a" "e6baa7ba86b29c034c1265016b095506c44c3988f000f88acd75ad44b7306e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6baa7ba86b29c034c1265016b095506c44c3988f000f88acd75ad44b7306e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6baa7ba86b29c034c1265016b095506c44c3988f000f88acd75ad44b7306e51", kill_on_drop: false }`
[INFO] [stdout] e6baa7ba86b29c034c1265016b095506c44c3988f000f88acd75ad44b7306e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a274ebd9c13da3b673a3ab1c205ade043584ca5cf55d20c6724357fba90f154
[INFO] running `Command { std: "docker" "start" "-a" "1a274ebd9c13da3b673a3ab1c205ade043584ca5cf55d20c6724357fba90f154", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling swc_macros_common v0.3.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling from_variant v0.1.7
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling string_enum v0.4.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking triomphe v0.1.11
[INFO] [stderr]     Checking hstr v0.2.8
[INFO] [stderr]     Checking swc_atoms v0.6.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling swc_visit_macros v0.5.11
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]     Checking swc_visit v0.5.11
[INFO] [stderr]     Checking swc_common v0.33.22
[INFO] [stderr]     Checking swc_xml_ast v0.12.20
[INFO] [stderr]     Checking swc_xml_visit v0.12.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.36s
[INFO] running `Command { std: "docker" "inspect" "1a274ebd9c13da3b673a3ab1c205ade043584ca5cf55d20c6724357fba90f154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a274ebd9c13da3b673a3ab1c205ade043584ca5cf55d20c6724357fba90f154", kill_on_drop: false }`
[INFO] [stdout] 1a274ebd9c13da3b673a3ab1c205ade043584ca5cf55d20c6724357fba90f154
[INFO] checking swc_xml_visit-0.12.10 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate swc_xml_visit 0.12.10 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate swc_xml_visit 0.12.10 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_xml_visit 0.12.10
[INFO] finished tweaking crates.io crate swc_xml_visit 0.12.10
[INFO] tweaked toml for crates.io crate swc_xml_visit 0.12.10 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b6cddbe9a1309a5b564cebe6b2530d4815a5b6da77cae502409df262dc29f96
[INFO] running `Command { std: "docker" "start" "-a" "0b6cddbe9a1309a5b564cebe6b2530d4815a5b6da77cae502409df262dc29f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b6cddbe9a1309a5b564cebe6b2530d4815a5b6da77cae502409df262dc29f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6cddbe9a1309a5b564cebe6b2530d4815a5b6da77cae502409df262dc29f96", kill_on_drop: false }`
[INFO] [stdout] 0b6cddbe9a1309a5b564cebe6b2530d4815a5b6da77cae502409df262dc29f96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473d3f5ee2a868868082ca933aae8c55dd681f943ecab8af24a710a1dc57fb21
[INFO] running `Command { std: "docker" "start" "-a" "473d3f5ee2a868868082ca933aae8c55dd681f943ecab8af24a710a1dc57fb21", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling swc_macros_common v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking better_scoped_tls v0.1.1
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ast_node v0.9.6
[INFO] [stderr]    Compiling from_variant v0.1.7
[INFO] [stderr]    Compiling string_enum v0.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking triomphe v0.1.11
[INFO] [stderr]     Checking hstr v0.2.8
[INFO] [stderr]     Checking swc_atoms v0.6.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling swc_visit_macros v0.5.11
[INFO] [stderr]    Compiling is-macro v0.3.5
[INFO] [stderr]     Checking swc_visit v0.5.11
[INFO] [stderr]     Checking swc_common v0.33.22
[INFO] [stderr]     Checking swc_xml_ast v0.12.20
[INFO] [stderr]     Checking swc_xml_visit v0.12.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `Command { std: "docker" "inspect" "473d3f5ee2a868868082ca933aae8c55dd681f943ecab8af24a710a1dc57fb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473d3f5ee2a868868082ca933aae8c55dd681f943ecab8af24a710a1dc57fb21", kill_on_drop: false }`
[INFO] [stdout] 473d3f5ee2a868868082ca933aae8c55dd681f943ecab8af24a710a1dc57fb21