[INFO] cloning repository https://github.com/confio/wasm-bindings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/confio/wasm-bindings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconfio%2Fwasm-bindings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconfio%2Fwasm-bindings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c892a203ef6a9bc416bbb57d128b3133bc8c9b34
[INFO] documenting confio/wasm-bindings against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconfio%2Fwasm-bindings" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/confio/wasm-bindings on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/confio/wasm-bindings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/wasmerio/wasmer`
[INFO] [stderr]     Updating git submodule `https://github.com/wasmerio/wapm-cli.git`
[INFO] [stderr]     Updating git repository `https://github.com/wasmerio/inkwell`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded enum-methods v0.0.8
[INFO] [stderr]   Downloaded cargo_toml v0.6.4
[INFO] [stderr]   Downloaded serde-bench v0.0.7
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded dynasm v0.3.2
[INFO] [stderr]   Downloaded bindgen v0.46.0
[INFO] [stderr]   Downloaded dynasmrt v0.3.1
[INFO] [stderr]   Downloaded page_size v0.4.1
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] [stderr]   Downloaded rand_os v0.2.1
[INFO] [stderr]   Downloaded bstr v0.2.7
[INFO] [stderr]   Downloaded cranelift-bforest v0.31.0
[INFO] [stderr]   Downloaded cranelift-entity v0.31.0
[INFO] [stderr]   Downloaded target-lexicon v0.4.0
[INFO] [stderr]   Downloaded llvm-sys v80.1.1
[INFO] [stderr]   Downloaded cranelift-native v0.31.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-frontend v0.32.0
[INFO] [stderr]   Downloaded wasmparser v0.34.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-wasm v0.32.0
[INFO] [stderr]   Downloaded goblin v0.0.20
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.31.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc17c94f98b39221498dfe07c5e4a875539db002b658f89c8cf4bbc2dd63645
[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" "bdc17c94f98b39221498dfe07c5e4a875539db002b658f89c8cf4bbc2dd63645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc17c94f98b39221498dfe07c5e4a875539db002b658f89c8cf4bbc2dd63645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc17c94f98b39221498dfe07c5e4a875539db002b658f89c8cf4bbc2dd63645", kill_on_drop: false }`
[INFO] [stdout] bdc17c94f98b39221498dfe07c5e4a875539db002b658f89c8cf4bbc2dd63645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7bafbdedf25e135d59eca36828f3f9a7195a137eaa710860e4ab8166d40487
[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" "0f7bafbdedf25e135d59eca36828f3f9a7195a137eaa710860e4ab8166d40487", kill_on_drop: false }`
[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 nodrop v0.1.13
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]     Checking wasmparser v0.34.0
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking cranelift-bforest v0.31.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.31.0
[INFO] [stderr]     Checking dynasmrt v0.3.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking blake2b_simd v0.4.1
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.6.0 (https://github.com/wasmerio/wasmer?tag=0.6.0#196c916c)
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling cranelift-codegen v0.31.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling dynasm v0.3.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dynasm-0.3.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/dynasm-0.3.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynasm`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0f7bafbdedf25e135d59eca36828f3f9a7195a137eaa710860e4ab8166d40487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7bafbdedf25e135d59eca36828f3f9a7195a137eaa710860e4ab8166d40487", kill_on_drop: false }`
[INFO] [stdout] 0f7bafbdedf25e135d59eca36828f3f9a7195a137eaa710860e4ab8166d40487