[INFO] updating cached repository https://github.com/miek/influx-sht3x
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2d01a6e9a92d3d80be41a8345d0d7de663c10cd
[INFO] testing miek/influx-sht3x against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiek%2Finflux-sht3x" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miek/influx-sht3x on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/miek/influx-sht3x
[INFO] finished tweaking git repo https://github.com/miek/influx-sht3x
[INFO] tweaked toml for git repo https://github.com/miek/influx-sht3x written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/miek/influx-sht3x already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 092784741c6e55659c2c642b63db67321c2878fd0c8d97114261e199f93b8821
[INFO] running `"docker" "start" "-a" "092784741c6e55659c2c642b63db67321c2878fd0c8d97114261e199f93b8821"`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling serde v1.0.33
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]    Compiling nb v0.1.1
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling embedded-hal v0.1.2
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.2/src/lib.rs:681:1
[INFO] [stderr]     |
[INFO] [stderr] 681 | #![feature(never_type)]
[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 `embedded-hal`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "092784741c6e55659c2c642b63db67321c2878fd0c8d97114261e199f93b8821"`
[INFO] running `"docker" "rm" "-f" "092784741c6e55659c2c642b63db67321c2878fd0c8d97114261e199f93b8821"`
[INFO] [stdout] 092784741c6e55659c2c642b63db67321c2878fd0c8d97114261e199f93b8821