[INFO] fetching crate wasmer-middlewares 4.2.4...
[INFO] checking wasmer-middlewares-4.2.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate wasmer-middlewares 4.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate wasmer-middlewares 4.2.4 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 wasmer-middlewares 4.2.4
[INFO] finished tweaking crates.io crate wasmer-middlewares 4.2.4
[INFO] tweaked toml for crates.io crate wasmer-middlewares 4.2.4 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 159 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 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 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 gimli v0.26.2 (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 memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding memmap2 v0.6.2 (latest: v0.9.4)
[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 serde-wasm-bindgen v0.4.5 (latest: v0.6.5)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasm-encoder v0.32.0 (latest: v0.202.0)
[INFO] [stderr]       Adding wasmer v4.2.4 (latest: v4.2.6)
[INFO] [stderr]       Adding wasmer-compiler v4.2.4 (latest: v4.2.6)
[INFO] [stderr]       Adding wasmer-compiler-cranelift v4.2.4 (latest: v4.2.6)
[INFO] [stderr]       Adding wasmer-derive v4.2.4 (latest: v4.2.7)
[INFO] [stderr]       Adding wasmer-types v4.2.4 (latest: v4.2.7)
[INFO] [stderr]       Adding wasmer-vm v4.2.4 (latest: v4.2.7)
[INFO] [stderr]       Adding wasmparser v0.95.0 (latest: v0.202.0)
[INFO] [stderr]       Adding wast v64.0.0 (latest: v202.0.0)
[INFO] [stderr]       Adding wat v1.0.71 (latest: v1.202.0)
[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 wat v1.0.71
[INFO] [stderr]   Downloaded wasm-encoder v0.32.0
[INFO] [stderr]   Downloaded wasmer-types v4.2.4
[INFO] [stderr]   Downloaded wast v64.0.0
[INFO] [stderr]   Downloaded shared-buffer v0.1.4
[INFO] [stderr]   Downloaded wasmer-compiler v4.2.4
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v4.2.4
[INFO] [stderr]   Downloaded wasmer-derive v4.2.4
[INFO] [stderr]   Downloaded wasmer v4.2.4
[INFO] [stderr]   Downloaded wasmer-vm v4.2.4
[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] 0212dd9c89831831d940ee450a6895562f0acd735069050e312f42b7bfe29222
[INFO] running `Command { std: "docker" "start" "-a" "0212dd9c89831831d940ee450a6895562f0acd735069050e312f42b7bfe29222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0212dd9c89831831d940ee450a6895562f0acd735069050e312f42b7bfe29222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0212dd9c89831831d940ee450a6895562f0acd735069050e312f42b7bfe29222", kill_on_drop: false }`
[INFO] [stdout] 0212dd9c89831831d940ee450a6895562f0acd735069050e312f42b7bfe29222
[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] 47eaad32d2ba282c0f69546a21f5a877d917e3e4e80ce5858e411a021ca3eb47
[INFO] running `Command { std: "docker" "start" "-a" "47eaad32d2ba282c0f69546a21f5a877d917e3e4e80ce5858e411a021ca3eb47", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling bytecheck v0.6.12
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling rend v0.4.2
[INFO] [stderr]    Compiling cranelift-isle v0.91.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.91.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling rkyv v0.7.44
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.91.1
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking cranelift-entity v0.91.1
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking lock_api v0.4.11
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking slice-group-by v0.3.1
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[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking memmap2 v0.6.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
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[INFO] [stderr]     Checking arrayvec v0.7.4
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking self_cell v1.0.3
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v4.2.4
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[INFO] [stderr]     Checking cranelift-egraph v0.91.1
[INFO] [stderr]     Checking wasmparser v0.95.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling cranelift-codegen v0.91.1
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.12
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling rkyv_derive v0.7.44
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling wasmer-derive v4.2.4
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking enum-iterator v0.7.0
[INFO] [stderr]     Checking wat v1.0.71
[INFO] [stderr]     Checking wasmer-types v4.2.4
[INFO] [stderr]     Checking wasmer-vm v4.2.4
[INFO] [stderr]     Checking wasmer-compiler v4.2.4
[INFO] [stderr]     Checking cranelift-frontend v0.91.1
[INFO] [stderr]     Checking wasmer v4.2.4
[INFO] [stderr]     Checking wasmer-middlewares v4.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/metering.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::TryInto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/metering.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::TryInto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/metering.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |     use super::*;
[INFO] [stdout]     |         -------- the item `Arc` is already imported here
[INFO] [stdout] 354 |
[INFO] [stdout] 355 |     use std::sync::Arc;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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 15.78s
[INFO] running `Command { std: "docker" "inspect" "47eaad32d2ba282c0f69546a21f5a877d917e3e4e80ce5858e411a021ca3eb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47eaad32d2ba282c0f69546a21f5a877d917e3e4e80ce5858e411a021ca3eb47", kill_on_drop: false }`
[INFO] [stdout] 47eaad32d2ba282c0f69546a21f5a877d917e3e4e80ce5858e411a021ca3eb47