Dec 03 15:54:42.104 INFO testing climate-si7020-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 15:54:42.104 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 15:54:42.480 INFO [stdout] 9fa79b33e36b635e4239060cec83f41a20f60a3e3f2240d5d6bb2eb5e958da1e
Dec 03 15:54:42.483 INFO running `"docker" "start" "-a" "9fa79b33e36b635e4239060cec83f41a20f60a3e3f2240d5d6bb2eb5e958da1e"`
Dec 03 15:54:43.401 INFO [stderr] usermod: no changes
Dec 03 15:54:43.447 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 03 15:54:43.447 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 03 15:54:43.447 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 03 15:54:43.447 INFO [stderr] files will be included as a binary target:
Dec 03 15:54:43.447 INFO [stderr] 
Dec 03 15:54:43.447 INFO [stderr] * /source/src/main.rs
Dec 03 15:54:43.447 INFO [stderr] 
Dec 03 15:54:43.447 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 03 15:54:43.447 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 03 15:54:43.447 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 03 15:54:43.447 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 03 15:54:43.447 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 03 15:54:43.447 INFO [stderr] 
Dec 03 15:54:43.449 INFO [stderr] For more information on this warning you can consult
Dec 03 15:54:43.449 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 03 15:54:43.449 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `tessel-climate`,
Dec 03 15:54:43.449 INFO [stderr] please set bin.path in Cargo.toml
Dec 03 15:54:43.466 INFO [stderr]    Compiling tessel v0.3.1
Dec 03 15:54:45.083 INFO [stderr]    Compiling climate-si7020 v0.1.0 (/source)
Dec 03 15:54:46.123 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 15:54:46.123 INFO [stderr]  --> src/lib.rs:3:1
Dec 03 15:54:46.123 INFO [stderr]   |
Dec 03 15:54:46.123 INFO [stderr] 3 | #![feature(alloc_system)]
Dec 03 15:54:46.123 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 15:54:46.123 INFO [stderr] 
Dec 03 15:54:46.131 INFO [stderr] error: aborting due to previous error
Dec 03 15:54:46.131 INFO [stderr] 
Dec 03 15:54:46.131 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 15:54:46.136 INFO [stderr] error: Could not compile `climate-si7020`.
Dec 03 15:54:46.136 INFO [stderr] 
Dec 03 15:54:46.136 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 15:54:46.139 INFO [stderr] su: No module specific data is present
Dec 03 15:54:46.953 INFO running `"docker" "inspect" "9fa79b33e36b635e4239060cec83f41a20f60a3e3f2240d5d6bb2eb5e958da1e"`
Dec 03 15:54:47.226 INFO running `"docker" "rm" "-f" "9fa79b33e36b635e4239060cec83f41a20f60a3e3f2240d5d6bb2eb5e958da1e"`
Dec 03 15:54:47.553 INFO [stdout] 9fa79b33e36b635e4239060cec83f41a20f60a3e3f2240d5d6bb2eb5e958da1e