Oct 13 10:45:50.418 INFO checking popcorn-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:45:50.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 10:45:50.843 INFO blam! 47d50edc51a599c5737b7f759662f5f585786cec7d499075a0e244ca13e9e6da
Oct 13 10:45:50.845 INFO running `"docker" "start" "-a" "47d50edc51a599c5737b7f759662f5f585786cec7d499075a0e244ca13e9e6da"`
Oct 13 10:45:52.383 INFO kablam! usermod: no changes
Oct 13 10:45:52.411 INFO kablam! warning: unused manifest key: package.keyworkds
Oct 13 10:45:52.419 INFO kablam!     Checking popcorn v0.1.0 (/source)
Oct 13 10:45:53.168 INFO kablam! warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Oct 13 10:45:53.168 INFO kablam!    --> src/buffer.rs:116:55
Oct 13 10:45:53.168 INFO kablam!     |
Oct 13 10:45:53.168 INFO kablam! 116 |       None => Err(Error::InvalidDevice).into_future().boxed()
Oct 13 10:45:53.168 INFO kablam!     |                                                       ^^^^^
Oct 13 10:45:53.168 INFO kablam!     |
Oct 13 10:45:53.168 INFO kablam!     = note: #[warn(deprecated)] on by default
Oct 13 10:45:53.168 INFO kablam! 
Oct 13 10:45:53.175 INFO kablam! warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Oct 13 10:45:53.175 INFO kablam!    --> src/buffer.rs:136:55
Oct 13 10:45:53.175 INFO kablam!     |
Oct 13 10:45:53.175 INFO kablam! 136 |       None => Err(Error::InvalidDevice).into_future().boxed()
Oct 13 10:45:53.175 INFO kablam!     |                                                       ^^^^^
Oct 13 10:45:53.175 INFO kablam! 
Oct 13 10:45:53.216 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:45:53.216 INFO kablam!    --> src/buffer.rs:102:12
Oct 13 10:45:53.216 INFO kablam!     |
Oct 13 10:45:53.216 INFO kablam! 102 |       Some(mut mem) => {
Oct 13 10:45:53.216 INFO kablam!     |            ----^^^
Oct 13 10:45:53.216 INFO kablam!     |            |
Oct 13 10:45:53.216 INFO kablam!     |            help: remove this `mut`
Oct 13 10:45:53.216 INFO kablam!     |
Oct 13 10:45:53.216 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 10:45:53.216 INFO kablam! 
Oct 13 10:45:53.219 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:45:53.219 INFO kablam!    --> src/buffer.rs:123:12
Oct 13 10:45:53.219 INFO kablam!     |
Oct 13 10:45:53.219 INFO kablam! 123 |       Some(mut mem) => {
Oct 13 10:45:53.219 INFO kablam!     |            ----^^^
Oct 13 10:45:53.219 INFO kablam!     |            |
Oct 13 10:45:53.219 INFO kablam!     |            help: remove this `mut`
Oct 13 10:45:53.219 INFO kablam! 
Oct 13 10:45:53.223 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:45:53.223 INFO kablam!    --> src/buffer.rs:140:15
Oct 13 10:45:53.223 INFO kablam!     |
Oct 13 10:45:53.223 INFO kablam! 140 |   pub fn sync(mut self, dev: &BufferDevice) -> Box<Future<Item=Buffer<T>,Error=Error>> {
Oct 13 10:45:53.223 INFO kablam!     |               ----^^^^
Oct 13 10:45:53.223 INFO kablam!     |               |
Oct 13 10:45:53.223 INFO kablam!     |               help: remove this `mut`
Oct 13 10:45:53.223 INFO kablam! 
Oct 13 10:45:53.428 INFO kablam! warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Oct 13 10:45:53.428 INFO kablam!    --> src/buffer.rs:116:55
Oct 13 10:45:53.428 INFO kablam!     |
Oct 13 10:45:53.428 INFO kablam! 116 |       None => Err(Error::InvalidDevice).into_future().boxed()
Oct 13 10:45:53.428 INFO kablam!     |                                                       ^^^^^
Oct 13 10:45:53.428 INFO kablam!     |
Oct 13 10:45:53.428 INFO kablam!     = note: #[warn(deprecated)] on by default
Oct 13 10:45:53.428 INFO kablam! 
Oct 13 10:45:53.436 INFO kablam! warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Oct 13 10:45:53.436 INFO kablam!    --> src/buffer.rs:136:55
Oct 13 10:45:53.436 INFO kablam!     |
Oct 13 10:45:53.436 INFO kablam! 136 |       None => Err(Error::InvalidDevice).into_future().boxed()
Oct 13 10:45:53.436 INFO kablam!     |                                                       ^^^^^
Oct 13 10:45:53.436 INFO kablam! 
Oct 13 10:45:53.476 INFO kablam! warning: unused variable: `nb`
Oct 13 10:45:53.476 INFO kablam!   --> src/lib.rs:34:10
Oct 13 10:45:53.477 INFO kablam!    |
Oct 13 10:45:53.477 INFO kablam! 34 |     let (nb, nv) = f2.wait().unwrap();
Oct 13 10:45:53.477 INFO kablam!    |          ^^ help: consider using `_nb` instead
Oct 13 10:45:53.477 INFO kablam!    |
Oct 13 10:45:53.477 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 10:45:53.478 INFO kablam! 
Oct 13 10:45:53.480 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:45:53.481 INFO kablam!   --> src/lib.rs:31:9
Oct 13 10:45:53.481 INFO kablam!    |
Oct 13 10:45:53.481 INFO kablam! 31 |     let mut buf1: Buffer<f64> = Buffer::new(&bdev, 4).unwrap();
Oct 13 10:45:53.482 INFO kablam!    |         ----^^^^
Oct 13 10:45:53.482 INFO kablam!    |         |
Oct 13 10:45:53.482 INFO kablam!    |         help: remove this `mut`
Oct 13 10:45:53.483 INFO kablam!    |
Oct 13 10:45:53.483 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 10:45:53.483 INFO kablam! 
Oct 13 10:45:53.496 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:45:53.497 INFO kablam!    --> src/buffer.rs:102:12
Oct 13 10:45:53.497 INFO kablam!     |
Oct 13 10:45:53.497 INFO kablam! 102 |       Some(mut mem) => {
Oct 13 10:45:53.497 INFO kablam!     |            ----^^^
Oct 13 10:45:53.498 INFO kablam!     |            |
Oct 13 10:45:53.498 INFO kablam!     |            help: remove this `mut`
Oct 13 10:45:53.498 INFO kablam! 
Oct 13 10:45:53.498 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:45:53.499 INFO kablam!    --> src/buffer.rs:123:12
Oct 13 10:45:53.499 INFO kablam!     |
Oct 13 10:45:53.499 INFO kablam! 123 |       Some(mut mem) => {
Oct 13 10:45:53.499 INFO kablam!     |            ----^^^
Oct 13 10:45:53.499 INFO kablam!     |            |
Oct 13 10:45:53.500 INFO kablam!     |            help: remove this `mut`
Oct 13 10:45:53.500 INFO kablam! 
Oct 13 10:45:53.501 INFO kablam! warning: variable does not need to be mutable
Oct 13 10:45:53.501 INFO kablam!    --> src/buffer.rs:140:15
Oct 13 10:45:53.501 INFO kablam!     |
Oct 13 10:45:53.501 INFO kablam! 140 |   pub fn sync(mut self, dev: &BufferDevice) -> Box<Future<Item=Buffer<T>,Error=Error>> {
Oct 13 10:45:53.502 INFO kablam!     |               ----^^^^
Oct 13 10:45:53.502 INFO kablam!     |               |
Oct 13 10:45:53.502 INFO kablam!     |               help: remove this `mut`
Oct 13 10:45:53.502 INFO kablam! 
Oct 13 10:45:53.541 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Oct 13 10:45:53.549 INFO kablam! su: No module specific data is present
Oct 13 10:45:53.855 INFO running `"docker" "rm" "-f" "47d50edc51a599c5737b7f759662f5f585786cec7d499075a0e244ca13e9e6da"`
Oct 13 10:45:53.954 INFO blam! 47d50edc51a599c5737b7f759662f5f585786cec7d499075a0e244ca13e9e6da