Dec 15 23:21:40.747 INFO testing accel-mma84-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 23:21:40.747 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 23:21:41.116 INFO [stdout] 8d3d68417badd3264bb67b5dd3797bb43a5bd34c6affdacfde9513759e28b60f
Dec 15 23:21:41.120 INFO running `"docker" "start" "-a" "8d3d68417badd3264bb67b5dd3797bb43a5bd34c6affdacfde9513759e28b60f"`
Dec 15 23:21:42.652 INFO [stderr] usermod: no changes
Dec 15 23:21:42.703 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 15 23:21:42.703 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 15 23:21:42.703 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 15 23:21:42.703 INFO [stderr] files will be included as a binary target:
Dec 15 23:21:42.703 INFO [stderr] 
Dec 15 23:21:42.703 INFO [stderr] * /source/src/main.rs
Dec 15 23:21:42.703 INFO [stderr] 
Dec 15 23:21:42.703 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 15 23:21:42.703 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 15 23:21:42.703 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 15 23:21:42.703 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 15 23:21:42.703 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 15 23:21:42.703 INFO [stderr] 
Dec 15 23:21:42.703 INFO [stderr] For more information on this warning you can consult
Dec 15 23:21:42.703 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 15 23:21:42.703 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `tessel-accel`,
Dec 15 23:21:42.703 INFO [stderr] please set bin.path in Cargo.toml
Dec 15 23:21:42.721 INFO [stderr]    Compiling accel-mma84 v0.2.0 (/source)
Dec 15 23:21:43.446 INFO [stderr] error[E0463]: can't find crate for `alloc_system`
Dec 15 23:21:43.446 INFO [stderr]  --> src/lib.rs:2:1
Dec 15 23:21:43.447 INFO [stderr]   |
Dec 15 23:21:43.447 INFO [stderr] 2 | extern crate alloc_system;
Dec 15 23:21:43.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
Dec 15 23:21:43.447 INFO [stderr] 
Dec 15 23:21:43.447 INFO [stderr] error: aborting due to previous error
Dec 15 23:21:43.447 INFO [stderr] 
Dec 15 23:21:43.447 INFO [stderr] For more information about this error, try `rustc --explain E0463`.
Dec 15 23:21:43.449 INFO [stderr] error: Could not compile `accel-mma84`.
Dec 15 23:21:43.449 INFO [stderr] 
Dec 15 23:21:43.449 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 23:21:43.451 INFO [stderr] su: No module specific data is present
Dec 15 23:21:44.509 INFO running `"docker" "inspect" "8d3d68417badd3264bb67b5dd3797bb43a5bd34c6affdacfde9513759e28b60f"`
Dec 15 23:21:44.823 INFO running `"docker" "rm" "-f" "8d3d68417badd3264bb67b5dd3797bb43a5bd34c6affdacfde9513759e28b60f"`
Dec 15 23:21:45.126 INFO [stdout] 8d3d68417badd3264bb67b5dd3797bb43a5bd34c6affdacfde9513759e28b60f