[INFO] crate heim-host 0.0.7 is already in cache
[INFO] testing heim-host-0.0.7 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate heim-host 0.0.7 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate heim-host 0.0.7 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 crates.io crate heim-host 0.0.7
[INFO] finished tweaking crates.io crate heim-host 0.0.7
[INFO] tweaked toml for crates.io crate heim-host 0.0.7 written to work/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate heim-host 0.0.7 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] de0647391e6e28dabf2cde8d1f270ed14d204b7aa640a5ababa0ff01d22296fe
[INFO] running `"docker" "start" "-a" "de0647391e6e28dabf2cde8d1f270ed14d204b7aa640a5ababa0ff01d22296fe"`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling heim-host v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling platforms v0.2.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling heim-common v0.0.7
[INFO] [stderr]    Compiling heim-runtime v0.0.3
[INFO] [stderr]    Compiling heim-derive v0.0.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.65s
[INFO] running `"docker" "inspect" "de0647391e6e28dabf2cde8d1f270ed14d204b7aa640a5ababa0ff01d22296fe"`
[INFO] running `"docker" "rm" "-f" "de0647391e6e28dabf2cde8d1f270ed14d204b7aa640a5ababa0ff01d22296fe"`
[INFO] [stdout] de0647391e6e28dabf2cde8d1f270ed14d204b7aa640a5ababa0ff01d22296fe
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] d77a88f925bbb9be22533b06564081aa7db546c1951ddeb673d4535e82171047
[INFO] running `"docker" "start" "-a" "d77a88f925bbb9be22533b06564081aa7db546c1951ddeb673d4535e82171047"`
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling heim-host v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> tests/smoke.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `heim-host`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d77a88f925bbb9be22533b06564081aa7db546c1951ddeb673d4535e82171047"`
[INFO] running `"docker" "rm" "-f" "d77a88f925bbb9be22533b06564081aa7db546c1951ddeb673d4535e82171047"`
[INFO] [stdout] d77a88f925bbb9be22533b06564081aa7db546c1951ddeb673d4535e82171047