Nov 04 05:19:00.738 INFO checking jakobdalsgaard/rust-examples against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 05:19:00.738 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-0/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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"`
Nov 04 05:19:01.052 INFO blam! 64c5baaece8efe7b464995eed1f75cfdefab3081293b4daf1b84095713dfde81
Nov 04 05:19:01.055 INFO running `"docker" "start" "-a" "64c5baaece8efe7b464995eed1f75cfdefab3081293b4daf1b84095713dfde81"`
Nov 04 05:19:02.167 INFO kablam! usermod: no changes
Nov 04 05:19:02.235 INFO kablam!     Checking log v0.3.6
Nov 04 05:19:02.443 INFO kablam!     Checking futures v0.1.10
Nov 04 05:19:04.523 INFO kablam!     Checking rust-examples v0.1.0 (/source)
Nov 04 05:19:05.042 INFO kablam! warning: variable does not need to be mutable
Nov 04 05:19:05.042 INFO kablam!  --> examples/stdchannels.rs:8:16
Nov 04 05:19:05.042 INFO kablam!   |
Nov 04 05:19:05.043 INFO kablam! 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 04 05:19:05.043 INFO kablam!   |                ----^^
Nov 04 05:19:05.043 INFO kablam!   |                |
Nov 04 05:19:05.044 INFO kablam!   |                help: remove this `mut`
Nov 04 05:19:05.044 INFO kablam!   |
Nov 04 05:19:05.044 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 04 05:19:05.045 INFO kablam! 
Nov 04 05:19:05.045 INFO kablam! warning: variable does not need to be mutable
Nov 04 05:19:05.045 INFO kablam!  --> examples/stdchannels.rs:8:8
Nov 04 05:19:05.046 INFO kablam!   |
Nov 04 05:19:05.046 INFO kablam! 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 04 05:19:05.046 INFO kablam!   |        ----^^
Nov 04 05:19:05.046 INFO kablam!   |        |
Nov 04 05:19:05.047 INFO kablam!   |        help: remove this `mut`
Nov 04 05:19:05.047 INFO kablam! 
Nov 04 05:19:05.054 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 05:19:05.055 INFO kablam!   --> examples/stdchannels.rs:17:7
Nov 04 05:19:05.055 INFO kablam!    |
Nov 04 05:19:05.055 INFO kablam! 17 |       tx.send(7);
Nov 04 05:19:05.056 INFO kablam!    |       ^^^^^^^^^^^
Nov 04 05:19:05.063 INFO kablam!    |
Nov 04 05:19:05.063 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 05:19:05.064 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 05:19:05.064 INFO kablam! 
Nov 04 05:19:05.088 INFO kablam! warning: unused import: `futures::sync::mpsc::Sender`
Nov 04 05:19:05.090 INFO kablam!  --> examples/futurechannels.rs:7:5
Nov 04 05:19:05.091 INFO kablam!   |
Nov 04 05:19:05.091 INFO kablam! 7 | use futures::sync::mpsc::Sender;
Nov 04 05:19:05.091 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:19:05.091 INFO kablam!   |
Nov 04 05:19:05.091 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 05:19:05.091 INFO kablam! 
Nov 04 05:19:05.142 INFO kablam! warning: unused variable: `child2`
Nov 04 05:19:05.142 INFO kablam!   --> examples/futurechannels.rs:28:7
Nov 04 05:19:05.142 INFO kablam!    |
Nov 04 05:19:05.142 INFO kablam! 28 |   let child2 = thread::spawn(move || {
Nov 04 05:19:05.142 INFO kablam!    |       ^^^^^^ help: consider using `_child2` instead
Nov 04 05:19:05.142 INFO kablam!    |
Nov 04 05:19:05.142 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 05:19:05.142 INFO kablam! 
Nov 04 05:19:05.144 INFO kablam! warning: unused variable: `rest`
Nov 04 05:19:05.144 INFO kablam!   --> examples/futurechannels.rs:66:14
Nov 04 05:19:05.144 INFO kablam!    |
Nov 04 05:19:05.144 INFO kablam! 66 |   let (item, rest) = rest.into_future().wait().ok().unwrap();
Nov 04 05:19:05.144 INFO kablam!    |              ^^^^ help: consider using `_rest` instead
Nov 04 05:19:05.147 INFO kablam! 
Nov 04 05:19:05.167 INFO kablam! warning: unused import: `std::thread`
Nov 04 05:19:05.167 INFO kablam!  --> examples/inc.rs:1:5
Nov 04 05:19:05.167 INFO kablam!   |
Nov 04 05:19:05.167 INFO kablam! 1 | use std::thread;
Nov 04 05:19:05.167 INFO kablam!   |     ^^^^^^^^^^^
Nov 04 05:19:05.167 INFO kablam!   |
Nov 04 05:19:05.167 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 04 05:19:05.167 INFO kablam! 
Nov 04 05:19:05.167 INFO kablam! warning: unused import: `std::sync::mpsc::channel`
Nov 04 05:19:05.167 INFO kablam!  --> examples/inc.rs:2:5
Nov 04 05:19:05.167 INFO kablam!   |
Nov 04 05:19:05.167 INFO kablam! 2 | use std::sync::mpsc::channel;
Nov 04 05:19:05.167 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:19:05.167 INFO kablam! 
Nov 04 05:19:05.169 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 05:19:05.169 INFO kablam!   --> examples/futurechannels.rs:14:5
Nov 04 05:19:05.170 INFO kablam!    |
Nov 04 05:19:05.170 INFO kablam! 14 | /     receiver.map(|i| {
Nov 04 05:19:05.170 INFO kablam! 15 | |       println!("got: {}", i);
Nov 04 05:19:05.170 INFO kablam! 16 | |     }).wait();
Nov 04 05:19:05.170 INFO kablam!    | |______________^
Nov 04 05:19:05.170 INFO kablam!    |
Nov 04 05:19:05.170 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 04 05:19:05.170 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 05:19:05.170 INFO kablam! 
Nov 04 05:19:05.170 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 05:19:05.170 INFO kablam!   --> examples/futurechannels.rs:30:5
Nov 04 05:19:05.170 INFO kablam!    |
Nov 04 05:19:05.170 INFO kablam! 30 |     sender2.send(1).and_then(|tx| { println!("sending 2"); tx.send(2) } ).wait();
Nov 04 05:19:05.170 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:19:05.170 INFO kablam!    |
Nov 04 05:19:05.170 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 05:19:05.170 INFO kablam! 
Nov 04 05:19:05.173 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 04 05:19:05.173 INFO kablam!   --> examples/futurechannels.rs:49:3
Nov 04 05:19:05.173 INFO kablam!    |
Nov 04 05:19:05.173 INFO kablam! 49 |   sender3.send(5).and_then(|tx| tx.send(6)).wait();
Nov 04 05:19:05.173 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:19:05.173 INFO kablam!    |
Nov 04 05:19:05.179 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 04 05:19:05.179 INFO kablam! 
Nov 04 05:19:05.443 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
Nov 04 05:19:05.450 INFO kablam! su: No module specific data is present
Nov 04 05:19:06.331 INFO running `"docker" "rm" "-f" "64c5baaece8efe7b464995eed1f75cfdefab3081293b4daf1b84095713dfde81"`
Nov 04 05:19:06.543 INFO blam! 64c5baaece8efe7b464995eed1f75cfdefab3081293b4daf1b84095713dfde81