[INFO] fetching crate greenwasm 0.3.1...
[INFO] testing greenwasm-0.3.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate greenwasm 0.3.1 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate greenwasm 0.3.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate greenwasm 0.3.1
[INFO] finished tweaking crates.io crate greenwasm 0.3.1
[INFO] tweaked toml for crates.io crate greenwasm 0.3.1 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.19.0
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded bindgen v0.30.0
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded bitflags v0.8.2
[INFO] [stderr]   Downloaded cexpr v0.2.3
[INFO] [stderr]   Downloaded quasi v0.32.0
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded syntex_syntax v0.58.1
[INFO] [stderr]   Downloaded which v1.0.5
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded aster v0.41.0
[INFO] [stderr]   Downloaded syntex v0.58.1
[INFO] [stderr]   Downloaded quasi_codegen v0.32.0
[INFO] [stderr]   Downloaded syntex_errors v0.58.1
[INFO] [stderr]   Downloaded syntex_pos v0.58.1
[INFO] [stderr]   Downloaded greenwasm-binary-format v0.3.0
[INFO] [stderr]   Downloaded binaryen v0.4.0
[INFO] [stderr]   Downloaded greenwasm-execution v0.3.0
[INFO] [stderr]   Downloaded greenwasm-spectest v0.3.3
[INFO] [stderr]   Downloaded binaryen-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4e4fa9e3f2a34a7f1349dc9169a92f79a6055a301e699ff4a1187114331f6be
[INFO] running `Command { std: "docker" "start" "-a" "c4e4fa9e3f2a34a7f1349dc9169a92f79a6055a301e699ff4a1187114331f6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4e4fa9e3f2a34a7f1349dc9169a92f79a6055a301e699ff4a1187114331f6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e4fa9e3f2a34a7f1349dc9169a92f79a6055a301e699ff4a1187114331f6be", kill_on_drop: false }`
[INFO] [stdout] c4e4fa9e3f2a34a7f1349dc9169a92f79a6055a301e699ff4a1187114331f6be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078790298e52b8fd493ef831b492c9befcca9ad71b0717c913a0997d11e0b63a
[INFO] running `Command { std: "docker" "start" "-a" "078790298e52b8fd493ef831b492c9befcca9ad71b0717c913a0997d11e0b63a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.19.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[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/smallvec-0.6.14/lib.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling frounding v0.0.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "078790298e52b8fd493ef831b492c9befcca9ad71b0717c913a0997d11e0b63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078790298e52b8fd493ef831b492c9befcca9ad71b0717c913a0997d11e0b63a", kill_on_drop: false }`
[INFO] [stdout] 078790298e52b8fd493ef831b492c9befcca9ad71b0717c913a0997d11e0b63a