[INFO] fetching crate wasmtime-obj 0.29.0...
[INFO] checking wasmtime-obj-0.29.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate wasmtime-obj 0.29.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate wasmtime-obj 0.29.0 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 wasmtime-obj 0.29.0
[INFO] finished tweaking crates.io crate wasmtime-obj 0.29.0
[INFO] tweaked toml for crates.io crate wasmtime-obj 0.29.0 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 38 packages
[INFO] [stderr]       Adding cranelift-bforest v0.76.0 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-codegen v0.76.0 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-codegen-meta v0.76.0 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-codegen-shared v0.76.0 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-entity v0.76.0 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-frontend v0.76.0 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-wasm v0.76.0 (latest: v0.106.1)
[INFO] [stderr]       Adding fallible-iterator v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding gimli v0.25.0 (latest: v0.28.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding more-asserts v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding object v0.26.2 (latest: v0.34.0)
[INFO] [stderr]       Adding regalloc v0.0.31 (latest: v0.0.34)
[INFO] [stderr]       Adding wasmparser v0.79.0 (latest: v0.202.0)
[INFO] [stderr]       Adding wasmtime-environ v0.29.0 (latest: v19.0.1)
[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 wasmtime-environ v0.29.0
[INFO] [stderr]   Downloaded wasmparser v0.79.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.29.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.76.0
[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] 3e2c95c26d38028acea9f9a4c08f26700d988c4b79b2972b92cf3919e82082dd
[INFO] running `Command { std: "docker" "start" "-a" "3e2c95c26d38028acea9f9a4c08f26700d988c4b79b2972b92cf3919e82082dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e2c95c26d38028acea9f9a4c08f26700d988c4b79b2972b92cf3919e82082dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2c95c26d38028acea9f9a4c08f26700d988c4b79b2972b92cf3919e82082dd", kill_on_drop: false }`
[INFO] [stdout] 3e2c95c26d38028acea9f9a4c08f26700d988c4b79b2972b92cf3919e82082dd
[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] 23d90ff37ec5c0750ded453dbf2ea7cdd92914fa456db17d69b86129cbefeb29
[INFO] running `Command { std: "docker" "start" "-a" "23d90ff37ec5c0750ded453dbf2ea7cdd92914fa456db17d69b86129cbefeb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wasmparser v0.79.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling cranelift-codegen v0.76.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking cranelift-bforest v0.76.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking cranelift-frontend v0.76.0
[INFO] [stderr]     Checking cranelift-wasm v0.76.0
[INFO] [stderr]     Checking wasmtime-environ v0.29.0
[INFO] [stderr]     Checking wasmtime-debug v0.29.0
[INFO] [stderr]     Checking wasmtime-obj v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.76.0, wasmparser v0.79.0, wasmtime-debug v0.29.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "23d90ff37ec5c0750ded453dbf2ea7cdd92914fa456db17d69b86129cbefeb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d90ff37ec5c0750ded453dbf2ea7cdd92914fa456db17d69b86129cbefeb29", kill_on_drop: false }`
[INFO] [stdout] 23d90ff37ec5c0750ded453dbf2ea7cdd92914fa456db17d69b86129cbefeb29
[INFO] checking wasmtime-obj-0.29.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate wasmtime-obj 0.29.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate wasmtime-obj 0.29.0 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 wasmtime-obj 0.29.0
[INFO] finished tweaking crates.io crate wasmtime-obj 0.29.0
[INFO] tweaked toml for crates.io crate wasmtime-obj 0.29.0 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] 203709893cd24fb85578128bc9792063a9c7564b74eb7a67085abbcb6ae9866a
[INFO] running `Command { std: "docker" "start" "-a" "203709893cd24fb85578128bc9792063a9c7564b74eb7a67085abbcb6ae9866a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203709893cd24fb85578128bc9792063a9c7564b74eb7a67085abbcb6ae9866a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203709893cd24fb85578128bc9792063a9c7564b74eb7a67085abbcb6ae9866a", kill_on_drop: false }`
[INFO] [stdout] 203709893cd24fb85578128bc9792063a9c7564b74eb7a67085abbcb6ae9866a
[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] 5f3e76f6e284f51204c9fa6e867475be28e6ffb8d10ac60f922f0ca1740b4b53
[INFO] running `Command { std: "docker" "start" "-a" "5f3e76f6e284f51204c9fa6e867475be28e6ffb8d10ac60f922f0ca1740b4b53", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-entity v0.76.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.76.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.76.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking wasmparser v0.79.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling cranelift-codegen v0.76.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking cranelift-bforest v0.76.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cranelift-codegen-0.76.0/src/simple_preopt.rs:1079:13
[INFO] [stdout]      |
[INFO] [stdout] 1079 |             panic!();
[INFO] [stdout]      |             ^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cranelift-codegen` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5f3e76f6e284f51204c9fa6e867475be28e6ffb8d10ac60f922f0ca1740b4b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3e76f6e284f51204c9fa6e867475be28e6ffb8d10ac60f922f0ca1740b4b53", kill_on_drop: false }`
[INFO] [stdout] 5f3e76f6e284f51204c9fa6e867475be28e6ffb8d10ac60f922f0ca1740b4b53