Dec 03 20:15:33.515 INFO testing accel-mma84-0.2.0 against 1.30.1 for beta-1.31-5
Dec 03 20:15:33.515 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 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 20:15:33.839 INFO [stdout] 0709b58af5341d95e7a9a8c068b6a2574895c3976dd1ba0c972b5be9099e3136
Dec 03 20:15:33.844 INFO running `"docker" "start" "-a" "0709b58af5341d95e7a9a8c068b6a2574895c3976dd1ba0c972b5be9099e3136"`
Dec 03 20:15:34.751 INFO [stderr] usermod: no changes
Dec 03 20:15:34.803 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 03 20:15:34.803 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 03 20:15:34.803 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 03 20:15:34.803 INFO [stderr] files will be included as a binary target:
Dec 03 20:15:34.803 INFO [stderr] 
Dec 03 20:15:34.803 INFO [stderr] * /source/src/main.rs
Dec 03 20:15:34.803 INFO [stderr] 
Dec 03 20:15:34.803 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 03 20:15:34.803 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 03 20:15:34.803 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 03 20:15:34.803 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 03 20:15:34.803 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 03 20:15:34.803 INFO [stderr] 
Dec 03 20:15:34.803 INFO [stderr] For more information on this warning you can consult
Dec 03 20:15:34.803 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 03 20:15:34.803 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `tessel-accel`,
Dec 03 20:15:34.803 INFO [stderr] please set bin.path in Cargo.toml
Dec 03 20:15:34.831 INFO [stderr]    Compiling accel-mma84 v0.2.0 (/source)
Dec 03 20:15:36.127 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 20:15:36.127 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 20:15:36.127 INFO [stderr]   |
Dec 03 20:15:36.127 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 03 20:15:36.127 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 20:15:36.127 INFO [stderr] 
Dec 03 20:15:36.127 INFO [stderr] error: aborting due to previous error
Dec 03 20:15:36.127 INFO [stderr] 
Dec 03 20:15:36.127 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 20:15:36.135 INFO [stderr] error: Could not compile `accel-mma84`.
Dec 03 20:15:36.135 INFO [stderr] 
Dec 03 20:15:36.135 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 20:15:36.139 INFO [stderr] su: No module specific data is present
Dec 03 20:15:36.703 INFO running `"docker" "inspect" "0709b58af5341d95e7a9a8c068b6a2574895c3976dd1ba0c972b5be9099e3136"`
Dec 03 20:15:36.897 INFO running `"docker" "rm" "-f" "0709b58af5341d95e7a9a8c068b6a2574895c3976dd1ba0c972b5be9099e3136"`
Dec 03 20:15:37.025 INFO [stdout] 0709b58af5341d95e7a9a8c068b6a2574895c3976dd1ba0c972b5be9099e3136