Sep 10 10:20:42.965 INFO checking sandbox-ipc-0.3.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 10:20:42.965 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 10:20:42.965 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 10:20:43.149 INFO blam! c9e0fb1bb892bd4fd0c9da06ef9ffc63742bfd676dbaf83a560478465bd71758
Sep 10 10:20:43.151 INFO running `"docker" "start" "-a" "c9e0fb1bb892bd4fd0c9da06ef9ffc63742bfd676dbaf83a560478465bd71758"`
Sep 10 10:20:43.645 INFO kablam! usermod: no changes
Sep 10 10:20:43.670 INFO kablam! warning: An explicit [[test]] section is specified in Cargo.toml which currently
Sep 10 10:20:43.671 INFO kablam! disables Cargo from automatically inferring other test targets.
Sep 10 10:20:43.671 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 10 10:20:43.671 INFO kablam! files will be included as a test target:
Sep 10 10:20:43.671 INFO kablam! 
Sep 10 10:20:43.671 INFO kablam! * /source/tests/mp_channel_base.rs
Sep 10 10:20:43.671 INFO kablam! 
Sep 10 10:20:43.671 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 10 10:20:43.671 INFO kablam! ready to be compiled as a test target today. You can future-proof yourself
Sep 10 10:20:43.671 INFO kablam! and disable this warning by adding `autotests = false` to your [package]
Sep 10 10:20:43.671 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 10 10:20:43.671 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 10 10:20:43.671 INFO kablam! 
Sep 10 10:20:43.671 INFO kablam! For more information on this warning you can consult
Sep 10 10:20:43.671 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 10 10:20:43.798 INFO kablam!    Compiling serde v1.0.78
Sep 10 10:20:55.068 INFO kablam!     Checking uuid v0.5.1
Sep 10 10:20:55.069 INFO kablam!     Checking bincode v0.9.2
Sep 10 10:20:55.074 INFO kablam!     Checking serde_json v1.0.27
Sep 10 10:20:56.884 INFO kablam!     Checking sandbox-ipc v0.3.0 (file:///source)
Sep 10 10:20:59.370 INFO kablam! warning: unused variable: `child`
Sep 10 10:20:59.370 INFO kablam!    --> src/unix/channel.rs:186:23
Sep 10 10:20:59.370 INFO kablam!     |
Sep 10 10:20:59.370 INFO kablam! 186 |     pub fn from_child(child: &process::Child) -> io::Result<Self> {
Sep 10 10:20:59.370 INFO kablam!     |                       ^^^^^ help: consider using `_child` instead
Sep 10 10:20:59.370 INFO kablam!     |
Sep 10 10:20:59.370 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 10:20:59.370 INFO kablam! 
Sep 10 10:21:01.349 INFO kablam! warning: unused variable: `child`
Sep 10 10:21:01.349 INFO kablam!    --> src/unix/channel.rs:186:23
Sep 10 10:21:01.349 INFO kablam!     |
Sep 10 10:21:01.349 INFO kablam! 186 |     pub fn from_child(child: &process::Child) -> io::Result<Self> {
Sep 10 10:21:01.349 INFO kablam!     |                       ^^^^^ help: consider using `_child` instead
Sep 10 10:21:01.349 INFO kablam!     |
Sep 10 10:21:01.349 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 10:21:01.349 INFO kablam! 
Sep 10 10:21:01.691 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.03s
Sep 10 10:21:01.698 INFO kablam! su: No module specific data is present
Sep 10 10:21:02.355 INFO running `"docker" "rm" "-f" "c9e0fb1bb892bd4fd0c9da06ef9ffc63742bfd676dbaf83a560478465bd71758"`
Sep 10 10:21:02.445 INFO blam! c9e0fb1bb892bd4fd0c9da06ef9ffc63742bfd676dbaf83a560478465bd71758