[INFO] fetching crate gbuild 0.1.0...
[INFO] checking gbuild-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gbuild 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gbuild 0.1.0 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 gbuild 0.1.0
[INFO] finished tweaking crates.io crate gbuild 0.1.0
[INFO] tweaked toml for crates.io crate gbuild 0.1.0 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 62 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding darling v0.12.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.12.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.12.4 (latest: v0.20.8)
[INFO] [stderr]       Adding derive_builder v0.10.2 (latest: v0.20.0)
[INFO] [stderr]       Adding derive_builder_core v0.10.2 (latest: v0.20.0)
[INFO] [stderr]       Adding derive_builder_macro v0.10.2 (latest: v0.20.0)
[INFO] [stderr]       Adding gio v0.9.1 (latest: v0.19.3)
[INFO] [stderr]       Adding gio-sys v0.10.1 (latest: v0.19.0)
[INFO] [stderr]       Adding glib v0.10.3 (latest: v0.19.3)
[INFO] [stderr]       Adding glib-macros v0.10.1 (latest: v0.19.3)
[INFO] [stderr]       Adding glib-sys v0.10.1 (latest: v0.19.0)
[INFO] [stderr]       Adding gobject-sys v0.10.0 (latest: v0.19.0)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding proc-macro-crate v0.1.5 (latest: v3.1.0)
[INFO] [stderr]       Adding quick-xml v0.22.0 (latest: v0.31.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding strum v0.18.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.18.0 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding system-deps v1.3.2 (latest: v6.2.2)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding version-compare v0.0.10 (latest: v0.2.0)
[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 gobject-sys v0.10.0
[INFO] [stderr]   Downloaded system-deps v1.3.2
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded glib-sys v0.10.1
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded gio v0.9.1
[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] 2e462cf6165ec27d9106ee47453c81470c5b207475bdd2e340f92a9785379441
[INFO] running `Command { std: "docker" "start" "-a" "2e462cf6165ec27d9106ee47453c81470c5b207475bdd2e340f92a9785379441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e462cf6165ec27d9106ee47453c81470c5b207475bdd2e340f92a9785379441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e462cf6165ec27d9106ee47453c81470c5b207475bdd2e340f92a9785379441", kill_on_drop: false }`
[INFO] [stdout] 2e462cf6165ec27d9106ee47453c81470c5b207475bdd2e340f92a9785379441
[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] 8b5487a0a5cd4ae4a7a48a91292848a98f4c59c7fc2d3909f8040deba64ca9ba
[INFO] running `Command { std: "docker" "start" "-a" "8b5487a0a5cd4ae4a7a48a91292848a98f4c59c7fc2d3909f8040deba64ca9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking cc v1.0.90
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking glib v0.10.3
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking gbuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "8b5487a0a5cd4ae4a7a48a91292848a98f4c59c7fc2d3909f8040deba64ca9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5487a0a5cd4ae4a7a48a91292848a98f4c59c7fc2d3909f8040deba64ca9ba", kill_on_drop: false }`
[INFO] [stdout] 8b5487a0a5cd4ae4a7a48a91292848a98f4c59c7fc2d3909f8040deba64ca9ba
[INFO] checking gbuild-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate gbuild 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate gbuild 0.1.0 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 gbuild 0.1.0
[INFO] finished tweaking crates.io crate gbuild 0.1.0
[INFO] tweaked toml for crates.io crate gbuild 0.1.0 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] 635b87139c31a1c87925e751c68223dbcce834eea10284d5124285e455386c1f
[INFO] running `Command { std: "docker" "start" "-a" "635b87139c31a1c87925e751c68223dbcce834eea10284d5124285e455386c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "635b87139c31a1c87925e751c68223dbcce834eea10284d5124285e455386c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635b87139c31a1c87925e751c68223dbcce834eea10284d5124285e455386c1f", kill_on_drop: false }`
[INFO] [stdout] 635b87139c31a1c87925e751c68223dbcce834eea10284d5124285e455386c1f
[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] c8963f01b69a0242a629ca38d482b77b4b6aaeb834aa77f900b2cda5ccb46035
[INFO] running `Command { std: "docker" "start" "-a" "c8963f01b69a0242a629ca38d482b77b4b6aaeb834aa77f900b2cda5ccb46035", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking cc v1.0.90
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quick-xml-0.22.0/src/events/attributes.rs:352:17
[INFO] [stdout]     |
[INFO] [stdout] 352 | /                 if self.html {
[INFO] [stdout] 353 | |                     attr!($key, 0..0)
[INFO] [stdout] 354 | |                 } else {
[INFO] [stdout] 355 | |                     return None;
[INFO] [stdout] 356 | |                 };
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 379 |               None => attr!(self.position..len),
[INFO] [stdout]     |                       ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `attr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[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 `quick-xml` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c8963f01b69a0242a629ca38d482b77b4b6aaeb834aa77f900b2cda5ccb46035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8963f01b69a0242a629ca38d482b77b4b6aaeb834aa77f900b2cda5ccb46035", kill_on_drop: false }`
[INFO] [stdout] c8963f01b69a0242a629ca38d482b77b4b6aaeb834aa77f900b2cda5ccb46035