Dec 11 21:29:17.993 INFO checking brettcannon/flatten_filenames against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 21:29:17.993 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 21:29:18.228 INFO [stdout] 8be3c7101100b08980f36164fc30bfa2f6c1aa53ad8dcbe494d3a28afbf26e89
Dec 11 21:29:18.230 INFO running `"docker" "start" "-a" "8be3c7101100b08980f36164fc30bfa2f6c1aa53ad8dcbe494d3a28afbf26e89"`
Dec 11 21:29:19.036 INFO [stderr] usermod: no changes
Dec 11 21:29:19.090 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 11 21:29:19.090 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 11 21:29:19.090 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 11 21:29:19.090 INFO [stderr] files will be included as a binary target:
Dec 11 21:29:19.090 INFO [stderr] 
Dec 11 21:29:19.090 INFO [stderr] * /source/src/main.rs
Dec 11 21:29:19.090 INFO [stderr] 
Dec 11 21:29:19.090 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 11 21:29:19.090 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 11 21:29:19.090 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 11 21:29:19.090 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 11 21:29:19.090 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 11 21:29:19.090 INFO [stderr] 
Dec 11 21:29:19.091 INFO [stderr] For more information on this warning you can consult
Dec 11 21:29:19.091 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 11 21:29:19.091 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `flatten-filenames`,
Dec 11 21:29:19.091 INFO [stderr] please set bin.path in Cargo.toml
Dec 11 21:29:19.108 INFO [stderr]     Checking flatten_filenames v0.1.0 (/source)
Dec 11 21:29:19.108 INFO [stderr]     Checking rand v0.3.14
Dec 11 21:29:20.485 INFO [stderr]     Checking tempdir v0.3.5
Dec 11 21:29:21.653 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
Dec 11 21:29:21.656 INFO [stderr] su: No module specific data is present
Dec 11 21:29:22.310 INFO running `"docker" "inspect" "8be3c7101100b08980f36164fc30bfa2f6c1aa53ad8dcbe494d3a28afbf26e89"`
Dec 11 21:29:22.388 INFO running `"docker" "rm" "-f" "8be3c7101100b08980f36164fc30bfa2f6c1aa53ad8dcbe494d3a28afbf26e89"`
Dec 11 21:29:22.457 INFO [stdout] 8be3c7101100b08980f36164fc30bfa2f6c1aa53ad8dcbe494d3a28afbf26e89