Oct 13 00:12:05.399 INFO checking brettcannon/flatten_filenames against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 00:12:05.399 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 00:12:05.817 INFO blam! 55705aa87398259d74550e9b6805eed4b1c53456340e5fbcec7c6538c06ca79c
Oct 13 00:12:05.824 INFO running `"docker" "start" "-a" "55705aa87398259d74550e9b6805eed4b1c53456340e5fbcec7c6538c06ca79c"`
Oct 13 00:12:06.800 INFO kablam! usermod: no changes
Oct 13 00:12:06.884 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Oct 13 00:12:06.884 INFO kablam! disables Cargo from automatically inferring other binary targets.
Oct 13 00:12:06.884 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Oct 13 00:12:06.884 INFO kablam! files will be included as a binary target:
Oct 13 00:12:06.884 INFO kablam! 
Oct 13 00:12:06.884 INFO kablam! * /source/src/main.rs
Oct 13 00:12:06.884 INFO kablam! 
Oct 13 00:12:06.884 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Oct 13 00:12:06.884 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Oct 13 00:12:06.884 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Oct 13 00:12:06.884 INFO kablam! section. You may also move the files to a location where Cargo would not
Oct 13 00:12:06.884 INFO kablam! automatically infer them to be a target, such as in subfolders.
Oct 13 00:12:06.884 INFO kablam! 
Oct 13 00:12:06.884 INFO kablam! For more information on this warning you can consult
Oct 13 00:12:06.884 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Oct 13 00:12:06.884 INFO kablam! warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `flatten-filenames`,
Oct 13 00:12:06.884 INFO kablam! please set bin.path in Cargo.toml
Oct 13 00:12:06.908 INFO kablam!     Checking flatten_filenames v0.1.0 (/source)
Oct 13 00:12:06.908 INFO kablam!     Checking rand v0.3.14
Oct 13 00:12:08.440 INFO kablam!     Checking tempdir v0.3.5
Oct 13 00:12:09.755 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
Oct 13 00:12:09.762 INFO kablam! su: No module specific data is present
Oct 13 00:12:10.272 INFO running `"docker" "rm" "-f" "55705aa87398259d74550e9b6805eed4b1c53456340e5fbcec7c6538c06ca79c"`
Oct 13 00:12:10.556 INFO blam! 55705aa87398259d74550e9b6805eed4b1c53456340e5fbcec7c6538c06ca79c