[INFO] updating cached repository https://github.com/confio/wasm-bindings
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/confio/wasm-bindings
[INFO] [stderr]    9b81dd0..c892a20  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c892a203ef6a9bc416bbb57d128b3133bc8c9b34
[INFO] testing confio/wasm-bindings against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconfio%2Fwasm-bindings" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/confio/wasm-bindings on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/confio/wasm-bindings
[INFO] finished tweaking git repo https://github.com/confio/wasm-bindings
[INFO] tweaked toml for git repo https://github.com/confio/wasm-bindings written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/confio/wasm-bindings already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] be4d0d6c811aaa129bbf16ba15b543bae833a8a9ca5496ff25d43c17f649d665
[INFO] running `"docker" "start" "-a" "be4d0d6c811aaa129bbf16ba15b543bae833a8a9ca5496ff25d43c17f649d665"`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling cranelift-entity v0.31.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling wasmparser v0.34.0
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling page_size v0.4.1
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling dynasmrt v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.31.0
[INFO] [stderr]    Compiling cranelift-bforest v0.31.0
[INFO] [stderr]    Compiling blake2b_simd v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling wasmer-runtime-core v0.6.0 (https://github.com/wasmerio/wasmer?tag=0.6.0#196c916c)
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling cranelift-codegen v0.31.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling dynasm v0.3.2
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dynasm-0.3.2/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dynasm-0.3.2/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro_span)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `dynasm`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "be4d0d6c811aaa129bbf16ba15b543bae833a8a9ca5496ff25d43c17f649d665"`
[INFO] running `"docker" "rm" "-f" "be4d0d6c811aaa129bbf16ba15b543bae833a8a9ca5496ff25d43c17f649d665"`
[INFO] [stdout] be4d0d6c811aaa129bbf16ba15b543bae833a8a9ca5496ff25d43c17f649d665