Dec 15 23:21:40.677 INFO testing accel-mma84-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 23:21:40.677 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 23:21:41.075 INFO [stdout] 5a41906dfb06de40f2d5299887f616978e4c5e593fadf8da3b8fdbfced624486
Dec 15 23:21:41.077 INFO running `"docker" "start" "-a" "5a41906dfb06de40f2d5299887f616978e4c5e593fadf8da3b8fdbfced624486"`
Dec 15 23:21:42.311 INFO [stderr] usermod: no changes
Dec 15 23:21:42.383 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 15 23:21:42.383 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 15 23:21:42.383 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 15 23:21:42.383 INFO [stderr] files will be included as a binary target:
Dec 15 23:21:42.383 INFO [stderr] 
Dec 15 23:21:42.383 INFO [stderr] * /source/src/main.rs
Dec 15 23:21:42.383 INFO [stderr] 
Dec 15 23:21:42.383 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 15 23:21:42.383 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 15 23:21:42.383 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 15 23:21:42.383 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 15 23:21:42.383 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 15 23:21:42.383 INFO [stderr] 
Dec 15 23:21:42.383 INFO [stderr] For more information on this warning you can consult
Dec 15 23:21:42.383 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 15 23:21:42.383 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `tessel-accel`,
Dec 15 23:21:42.383 INFO [stderr] please set bin.path in Cargo.toml
Dec 15 23:21:42.435 INFO [stderr]    Compiling unix_socket v0.5.0
Dec 15 23:21:43.756 INFO [stderr]    Compiling tessel v0.3.1
Dec 15 23:21:45.495 INFO [stderr]    Compiling accel-mma84 v0.2.0 (/source)
Dec 15 23:21:46.139 INFO [stderr] error[E0463]: can't find crate for `alloc_system`
Dec 15 23:21:46.139 INFO [stderr]  --> src/lib.rs:2:1
Dec 15 23:21:46.139 INFO [stderr]   |
Dec 15 23:21:46.139 INFO [stderr] 2 | extern crate alloc_system;
Dec 15 23:21:46.139 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
Dec 15 23:21:46.139 INFO [stderr] 
Dec 15 23:21:46.155 INFO [stderr] error: aborting due to previous error
Dec 15 23:21:46.157 INFO [stderr] 
Dec 15 23:21:46.157 INFO [stderr] For more information about this error, try `rustc --explain E0463`.
Dec 15 23:21:46.168 INFO [stderr] error: Could not compile `accel-mma84`.
Dec 15 23:21:46.168 INFO [stderr] 
Dec 15 23:21:46.168 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 23:21:46.170 INFO [stderr] su: No module specific data is present
Dec 15 23:21:47.302 INFO running `"docker" "inspect" "5a41906dfb06de40f2d5299887f616978e4c5e593fadf8da3b8fdbfced624486"`
Dec 15 23:21:47.607 INFO running `"docker" "rm" "-f" "5a41906dfb06de40f2d5299887f616978e4c5e593fadf8da3b8fdbfced624486"`
Dec 15 23:21:47.989 INFO [stdout] 5a41906dfb06de40f2d5299887f616978e4c5e593fadf8da3b8fdbfced624486