[INFO] fetching crate wig 0.21.0...
[INFO] checking wig-0.21.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate wig 0.21.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate wig 0.21.0 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 wig 0.21.0
[INFO] finished tweaking crates.io crate wig 0.21.0
[INFO] tweaked toml for crates.io crate wig 0.21.0 written to /workspace/builds/worker-3-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 14 packages
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding wast v22.0.0 (latest: v202.0.0)
[INFO] [stderr]       Adding witx v0.8.8 (latest: v0.9.1)
[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 witx v0.8.8
[INFO] [stderr]   Downloaded wast v22.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ec0c0ef79f64ff84fe10f96d6dbdbb60755969e0c16d85d4a1e26709160db1dd
[INFO] running `Command { std: "docker" "start" "-a" "ec0c0ef79f64ff84fe10f96d6dbdbb60755969e0c16d85d4a1e26709160db1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0c0ef79f64ff84fe10f96d6dbdbb60755969e0c16d85d4a1e26709160db1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0c0ef79f64ff84fe10f96d6dbdbb60755969e0c16d85d4a1e26709160db1dd", kill_on_drop: false }`
[INFO] [stdout] ec0c0ef79f64ff84fe10f96d6dbdbb60755969e0c16d85d4a1e26709160db1dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6b5ac443f8847620e5e300392339e8c6281e6dfa9e4082a26fffe637601cce96
[INFO] running `Command { std: "docker" "start" "-a" "6b5ac443f8847620e5e300392339e8c6281e6dfa9e4082a26fffe637601cce96", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking wast v22.0.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking witx v0.8.8
[INFO] [stderr]     Checking wig v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "6b5ac443f8847620e5e300392339e8c6281e6dfa9e4082a26fffe637601cce96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5ac443f8847620e5e300392339e8c6281e6dfa9e4082a26fffe637601cce96", kill_on_drop: false }`
[INFO] [stdout] 6b5ac443f8847620e5e300392339e8c6281e6dfa9e4082a26fffe637601cce96
[INFO] checking wig-0.21.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate wig 0.21.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate wig 0.21.0 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 wig 0.21.0
[INFO] finished tweaking crates.io crate wig 0.21.0
[INFO] tweaked toml for crates.io crate wig 0.21.0 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1293a5eb4874648f9f6b911409ffd5473dc439d7ed50bb5cf2e42a5aa451848d
[INFO] running `Command { std: "docker" "start" "-a" "1293a5eb4874648f9f6b911409ffd5473dc439d7ed50bb5cf2e42a5aa451848d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1293a5eb4874648f9f6b911409ffd5473dc439d7ed50bb5cf2e42a5aa451848d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1293a5eb4874648f9f6b911409ffd5473dc439d7ed50bb5cf2e42a5aa451848d", kill_on_drop: false }`
[INFO] [stdout] 1293a5eb4874648f9f6b911409ffd5473dc439d7ed50bb5cf2e42a5aa451848d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 996eea56235dae374384c8a19ea6c672243354983178c365990817e8a62253f2
[INFO] running `Command { std: "docker" "start" "-a" "996eea56235dae374384c8a19ea6c672243354983178c365990817e8a62253f2", kill_on_drop: false }`
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking wast v22.0.0
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking witx v0.8.8
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/witx-0.8.8/src/validate.rs:414:29
[INFO] [stdout]     |
[INFO] [stdout] 414 | ...                   Err(ValidationError::InvalidUnionField {
[INFO] [stdout]     |                       ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 414 |                             Err::<T, ValidationError>(ValidationError::InvalidUnionField {
[INFO] [stdout]     |                                ++++++++++++++++++++++
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `witx` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "996eea56235dae374384c8a19ea6c672243354983178c365990817e8a62253f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996eea56235dae374384c8a19ea6c672243354983178c365990817e8a62253f2", kill_on_drop: false }`
[INFO] [stdout] 996eea56235dae374384c8a19ea6c672243354983178c365990817e8a62253f2