[INFO] fetching crate holochain_wasmer_host 0.0.89...
[INFO] checking holochain_wasmer_host-0.0.89 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate holochain_wasmer_host 0.0.89 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate holochain_wasmer_host 0.0.89 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 holochain_wasmer_host 0.0.89
[INFO] finished tweaking crates.io crate holochain_wasmer_host 0.0.89
[INFO] tweaked toml for crates.io crate holochain_wasmer_host 0.0.89 written to /workspace/builds/worker-6-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 222 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytecheck v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding bytecheck_derive v0.6.12 (latest: v0.7.0)
[INFO] [stderr]       Adding cargo_metadata v0.15.4 (latest: v0.18.1)
[INFO] [stderr]       Adding cranelift-bforest v0.91.1 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-codegen v0.91.1 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-codegen-meta v0.91.1 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-codegen-shared v0.91.1 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-entity v0.91.1 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-frontend v0.91.1 (latest: v0.106.1)
[INFO] [stderr]       Adding cranelift-isle v0.91.1 (latest: v0.106.1)
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding enum-iterator v0.7.0 (latest: v2.0.0)
[INFO] [stderr]       Adding enum-iterator-derive v0.7.0 (latest: v1.3.0)
[INFO] [stderr]       Adding fallible-iterator v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gimli v0.26.2 (latest: v0.28.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding holochain_wasmer_common v0.0.89 (latest: v0.0.92)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding memmap2 v0.6.2 (latest: v0.9.4)
[INFO] [stderr]       Adding memoffset v0.8.0 (latest: v0.9.1)
[INFO] [stderr]       Adding more-asserts v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding ptr_meta v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding ptr_meta_derive v0.1.4 (latest: v0.2.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding regalloc2 v0.5.1 (latest: v0.9.3)
[INFO] [stderr]       Adding rmp-serde v0.15.5 (latest: v1.1.2)
[INFO] [stderr]       Adding semver v0.11.0 (latest: v1.0.22)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.4.5 (latest: v0.6.5)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding test-fuzz v3.0.4 (latest: v5.0.0)
[INFO] [stderr]       Adding test-fuzz-internal v3.0.4 (latest: v5.0.0)
[INFO] [stderr]       Adding test-fuzz-macro v3.0.4 (latest: v5.0.0)
[INFO] [stderr]       Adding test-fuzz-runtime v3.0.4 (latest: v5.0.0)
[INFO] [stderr]       Adding toolchain_find v0.2.0 (latest: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasmer v4.2.2 (latest: v4.2.6)
[INFO] [stderr]       Adding wasmer-compiler v4.2.2 (latest: v4.2.6)
[INFO] [stderr]       Adding wasmer-compiler-cranelift v4.2.2 (latest: v4.2.6)
[INFO] [stderr]       Adding wasmer-derive v4.2.2 (latest: v4.2.7)
[INFO] [stderr]       Adding wasmer-middlewares v4.2.2 (latest: v4.2.6)
[INFO] [stderr]       Adding wasmer-types v4.2.2 (latest: v4.2.7)
[INFO] [stderr]       Adding wasmer-vm v4.2.2 (latest: v4.2.7)
[INFO] [stderr]       Adding wasmparser v0.95.0 (latest: v0.202.0)
[INFO] [stderr]       Adding windows-sys v0.33.0 (latest: v0.52.0)
[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 v0.33.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.33.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.33.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.33.0 (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 v0.33.0 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[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 enum-iterator-derive v0.7.0
[INFO] [stderr]   Downloaded wasmer-vm v4.2.2
[INFO] [stderr]   Downloaded test-fuzz-internal v3.0.4
[INFO] [stderr]   Downloaded test-fuzz v3.0.4
[INFO] [stderr]   Downloaded toolchain_find v0.2.0
[INFO] [stderr]   Downloaded holochain_serialized_bytes_derive v0.0.53
[INFO] [stderr]   Downloaded wasm-bindgen-downcast-macros v0.1.1
[INFO] [stderr]   Downloaded rmp-serde v0.15.5
[INFO] [stderr]   Downloaded test-fuzz-runtime v3.0.4
[INFO] [stderr]   Downloaded wasm-bindgen-downcast v0.1.1
[INFO] [stderr]   Downloaded test-fuzz-macro v3.0.4
[INFO] [stderr]   Downloaded unzip-n v0.1.2
[INFO] [stderr]   Downloaded bimap v0.6.3
[INFO] [stderr]   Downloaded holochain_serialized_bytes v0.0.53
[INFO] [stderr]   Downloaded cranelift-entity v0.91.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.91.1
[INFO] [stderr]   Downloaded cranelift-bforest v0.91.1
[INFO] [stderr]   Downloaded cranelift-isle v0.91.1
[INFO] [stderr]   Downloaded wasmparser v0.95.0
[INFO] [stderr]   Downloaded wasmer v4.2.2
[INFO] [stderr]   Downloaded wasmer-compiler v4.2.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.33.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.91.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.33.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.33.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.33.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.33.0
[INFO] [stderr]   Downloaded corosensei v0.1.4
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v4.2.2
[INFO] [stderr]   Downloaded shared-buffer v0.1.4
[INFO] [stderr]   Downloaded region v3.0.2
[INFO] [stderr]   Downloaded wasmer-types v4.2.2
[INFO] [stderr]   Downloaded holochain_wasmer_common v0.0.89
[INFO] [stderr]   Downloaded cranelift-egraph v0.91.1
[INFO] [stderr]   Downloaded self_cell v1.0.3
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.91.1
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.91.1
[INFO] [stderr]   Downloaded windows-sys v0.33.0
[INFO] [stderr]   Downloaded wasmer-derive v4.2.2
[INFO] [stderr]   Downloaded more-asserts v0.2.2
[INFO] [stderr]   Downloaded wasmer-middlewares v4.2.2
[INFO] [stderr]   Downloaded enum-iterator v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 163c97d1c1e240ed50e5317d5e32db9d54534133a2fa71b18662d4cd7e210eb9
[INFO] running `Command { std: "docker" "start" "-a" "163c97d1c1e240ed50e5317d5e32db9d54534133a2fa71b18662d4cd7e210eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "163c97d1c1e240ed50e5317d5e32db9d54534133a2fa71b18662d4cd7e210eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163c97d1c1e240ed50e5317d5e32db9d54534133a2fa71b18662d4cd7e210eb9", kill_on_drop: false }`
[INFO] [stdout] 163c97d1c1e240ed50e5317d5e32db9d54534133a2fa71b18662d4cd7e210eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0547659c2c599d51d3c7b04620fedbc19309af2db9410c6ff130fea8a4de3f4e
[INFO] running `Command { std: "docker" "start" "-a" "0547659c2c599d51d3c7b04620fedbc19309af2db9410c6ff130fea8a4de3f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling cranelift-isle v0.91.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling rkyv v0.7.44
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.91.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.91.1
[INFO] [stderr]     Checking lock_api v0.4.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking cranelift-entity v0.91.1
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling test-fuzz-internal v3.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking regalloc2 v0.5.1
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]     Checking cranelift-egraph v0.91.1
[INFO] [stderr]     Checking cranelift-bforest v0.91.1
[INFO] [stderr]    Compiling cranelift-codegen v0.91.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking memmap2 v0.6.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking shared-buffer v0.1.4
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking wasmparser v0.95.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]    Compiling rkyv_derive v0.7.44
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking wasm-encoder v0.202.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking self_cell v1.0.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v4.2.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking wast v202.0.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling test-fuzz-runtime v3.0.4
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]    Compiling test-fuzz-macro v3.0.4
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling toolchain_find v0.2.0
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking wasmer-types v4.2.2
[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]    Compiling subprocess v0.2.9
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling wasmer-derive v4.2.2
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling unzip-n v0.1.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling test-fuzz v3.0.4
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking serde-transcode v1.1.1
[INFO] [stderr]    Compiling holochain_serialized_bytes_derive v0.0.53
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking bimap v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking wasmer-vm v4.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wat v1.202.0
[INFO] [stderr]     Checking holochain_serialized_bytes v0.0.53
[INFO] [stderr]     Checking wasmer-compiler v4.2.2
[INFO] [stderr]     Checking cranelift-frontend v0.91.1
[INFO] [stderr]     Checking wasmer v4.2.2
[INFO] [stderr]     Checking holochain_wasmer_common v0.0.89
[INFO] [stderr]     Checking wasmer-middlewares v4.2.2
[INFO] [stderr]     Checking holochain_wasmer_host v0.0.89 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `WasmError` is imported redundantly
[INFO] [stdout]  --> src/module.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `WasmError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use holochain_wasmer_common::WasmError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/module.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Mutex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use parking_lot::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `WasmError` is imported redundantly
[INFO] [stdout]  --> src/module.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `WasmError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use holochain_wasmer_common::WasmError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/module.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Mutex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use parking_lot::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.36s
[INFO] running `Command { std: "docker" "inspect" "0547659c2c599d51d3c7b04620fedbc19309af2db9410c6ff130fea8a4de3f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0547659c2c599d51d3c7b04620fedbc19309af2db9410c6ff130fea8a4de3f4e", kill_on_drop: false }`
[INFO] [stdout] 0547659c2c599d51d3c7b04620fedbc19309af2db9410c6ff130fea8a4de3f4e
[INFO] checking holochain_wasmer_host-0.0.89 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate holochain_wasmer_host 0.0.89 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate holochain_wasmer_host 0.0.89 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 holochain_wasmer_host 0.0.89
[INFO] finished tweaking crates.io crate holochain_wasmer_host 0.0.89
[INFO] tweaked toml for crates.io crate holochain_wasmer_host 0.0.89 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4f726cbf1202a9610428ffbb00fecc46930d9e07a27c3531c584b9d60186ebcf
[INFO] running `Command { std: "docker" "start" "-a" "4f726cbf1202a9610428ffbb00fecc46930d9e07a27c3531c584b9d60186ebcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f726cbf1202a9610428ffbb00fecc46930d9e07a27c3531c584b9d60186ebcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f726cbf1202a9610428ffbb00fecc46930d9e07a27c3531c584b9d60186ebcf", kill_on_drop: false }`
[INFO] [stdout] 4f726cbf1202a9610428ffbb00fecc46930d9e07a27c3531c584b9d60186ebcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 99a47606bc73f83d6337a89e9e13e19b53c7473ab95d1cb8fb2b08e528e1c0d8
[INFO] running `Command { std: "docker" "start" "-a" "99a47606bc73f83d6337a89e9e13e19b53c7473ab95d1cb8fb2b08e528e1c0d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.19/src/sync/parker.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 371 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 372 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 373 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling memchr v2.7.2
[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]     Checking simdutf8 v0.1.4
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "99a47606bc73f83d6337a89e9e13e19b53c7473ab95d1cb8fb2b08e528e1c0d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a47606bc73f83d6337a89e9e13e19b53c7473ab95d1cb8fb2b08e528e1c0d8", kill_on_drop: false }`
[INFO] [stdout] 99a47606bc73f83d6337a89e9e13e19b53c7473ab95d1cb8fb2b08e528e1c0d8