[INFO] fetching crate wasmer-compiler-singlepass 1.0.0-alpha5...
[INFO] checking wasmer-compiler-singlepass-1.0.0-alpha5 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate wasmer-compiler-singlepass 1.0.0-alpha5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wasmer-compiler-singlepass 1.0.0-alpha5 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-compiler-singlepass 1.0.0-alpha5
[INFO] finished tweaking crates.io crate wasmer-compiler-singlepass 1.0.0-alpha5
[INFO] tweaked toml for crates.io crate wasmer-compiler-singlepass 1.0.0-alpha5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a7f1f56f36878e8de993790178e15e312f69102289726afb72b2ebe1f4b530f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a7f1f56f36878e8de993790178e15e312f69102289726afb72b2ebe1f4b530f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a7f1f56f36878e8de993790178e15e312f69102289726afb72b2ebe1f4b530f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7f1f56f36878e8de993790178e15e312f69102289726afb72b2ebe1f4b530f", kill_on_drop: false }`
[INFO] [stdout] 2a7f1f56f36878e8de993790178e15e312f69102289726afb72b2ebe1f4b530f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d776a99e069f9d11c7444d8a17223548321268ce3b0eeca9748f3b652df2739c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d776a99e069f9d11c7444d8a17223548321268ce3b0eeca9748f3b652df2739c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-beta1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling dynasm v1.0.0
[INFO] [stderr]     Checking dynasmrt v1.0.0
[INFO] [stderr]     Checking wasmer-compiler-singlepass v1.0.0-alpha5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `wasmer_compiler::GenerateMiddlewareChain`
[INFO] [stdout]   --> src/compiler.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     CompileModuleInfo, CompilerConfig, GenerateMiddlewareChain, MiddlewareBinaryReader,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        no `GenerateMiddlewareChain` in the root
[INFO] [stdout]    |                                        help: a similar name exists in the module: `ModuleMiddlewareChain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wasmer_compiler::FunctionMiddlewareGenerator`
[INFO] [stdout]  --> src/config.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasmer_compiler::{Compiler, CompilerConfig, CpuFeature, FunctionMiddlewareGenerator, Target};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |                                                             |
[INFO] [stdout]   |                                                             no `FunctionMiddlewareGenerator` in the root
[INFO] [stdout]   |                                                             help: a similar name exists in the module: `FunctionMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wasmer_compiler::GenerateMiddlewareChain`
[INFO] [stdout]   --> src/compiler.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     CompileModuleInfo, CompilerConfig, GenerateMiddlewareChain, MiddlewareBinaryReader,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        no `GenerateMiddlewareChain` in the root
[INFO] [stdout]    |                                        help: a similar name exists in the module: `ModuleMiddlewareChain`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wasmer_compiler::FunctionMiddlewareGenerator`
[INFO] [stdout]  --> src/config.rs:6:61
[INFO] [stdout]   |
[INFO] [stdout] 6 | use wasmer_compiler::{Compiler, CompilerConfig, CpuFeature, FunctionMiddlewareGenerator, Target};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |                                                             |
[INFO] [stdout]   |                                                             no `FunctionMiddlewareGenerator` in the root
[INFO] [stdout]   |                                                             help: a similar name exists in the module: `FunctionMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmer-compiler-singlepass`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d776a99e069f9d11c7444d8a17223548321268ce3b0eeca9748f3b652df2739c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d776a99e069f9d11c7444d8a17223548321268ce3b0eeca9748f3b652df2739c", kill_on_drop: false }`
[INFO] [stdout] d776a99e069f9d11c7444d8a17223548321268ce3b0eeca9748f3b652df2739c