Nov 01 03:28:34.203 INFO checking jakobdalsgaard/rust-examples against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 03:28:34.208 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 03:28:34.652 INFO blam! 308ef5e891c01e19c658c93a5c67332f200a65541be6ad5946b0a22261704aed
Nov 01 03:28:34.658 INFO running `"docker" "start" "-a" "308ef5e891c01e19c658c93a5c67332f200a65541be6ad5946b0a22261704aed"`
Nov 01 03:28:36.036 INFO kablam! usermod: no changes
Nov 01 03:28:36.136 INFO kablam!     Checking log v0.3.6
Nov 01 03:28:36.424 INFO kablam!     Checking futures v0.1.10
Nov 01 03:28:38.628 INFO kablam!     Checking rust-examples v0.1.0 (/source)
Nov 01 03:28:39.641 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:28:39.642 INFO kablam!  --> examples/stdchannels.rs:8:16
Nov 01 03:28:39.642 INFO kablam!   |
Nov 01 03:28:39.642 INFO kablam! 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 01 03:28:39.643 INFO kablam!   |                ----^^
Nov 01 03:28:39.643 INFO kablam!   |                |
Nov 01 03:28:39.643 INFO kablam!   |                help: remove this `mut`
Nov 01 03:28:39.645 INFO kablam!   |
Nov 01 03:28:39.645 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 01 03:28:39.645 INFO kablam! 
Nov 01 03:28:39.646 INFO kablam! warning: variable does not need to be mutable
Nov 01 03:28:39.646 INFO kablam!  --> examples/stdchannels.rs:8:8
Nov 01 03:28:39.646 INFO kablam!   |
Nov 01 03:28:39.647 INFO kablam! 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 01 03:28:39.647 INFO kablam!   |        ----^^
Nov 01 03:28:39.647 INFO kablam!   |        |
Nov 01 03:28:39.647 INFO kablam!   |        help: remove this `mut`
Nov 01 03:28:39.648 INFO kablam! 
Nov 01 03:28:39.657 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:28:39.657 INFO kablam!   --> examples/stdchannels.rs:17:7
Nov 01 03:28:39.658 INFO kablam!    |
Nov 01 03:28:39.658 INFO kablam! 17 |       tx.send(7);
Nov 01 03:28:39.658 INFO kablam!    |       ^^^^^^^^^^^
Nov 01 03:28:39.658 INFO kablam!    |
Nov 01 03:28:39.659 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 03:28:39.659 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:28:39.660 INFO kablam! 
Nov 01 03:28:39.706 INFO kablam! warning: unused import: `futures::sync::mpsc::Sender`
Nov 01 03:28:39.706 INFO kablam!  --> examples/futurechannels.rs:7:5
Nov 01 03:28:39.706 INFO kablam!   |
Nov 01 03:28:39.706 INFO kablam! 7 | use futures::sync::mpsc::Sender;
Nov 01 03:28:39.706 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:28:39.706 INFO kablam!   |
Nov 01 03:28:39.706 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:28:39.706 INFO kablam! 
Nov 01 03:28:39.852 INFO kablam! warning: unused variable: `child2`
Nov 01 03:28:39.852 INFO kablam!   --> examples/futurechannels.rs:28:7
Nov 01 03:28:39.852 INFO kablam!    |
Nov 01 03:28:39.852 INFO kablam! 28 |   let child2 = thread::spawn(move || {
Nov 01 03:28:39.852 INFO kablam!    |       ^^^^^^ help: consider using `_child2` instead
Nov 01 03:28:39.852 INFO kablam!    |
Nov 01 03:28:39.852 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 03:28:39.852 INFO kablam! 
Nov 01 03:28:39.852 INFO kablam! warning: unused variable: `rest`
Nov 01 03:28:39.852 INFO kablam!   --> examples/futurechannels.rs:66:14
Nov 01 03:28:39.852 INFO kablam!    |
Nov 01 03:28:39.852 INFO kablam! 66 |   let (item, rest) = rest.into_future().wait().ok().unwrap();
Nov 01 03:28:39.852 INFO kablam!    |              ^^^^ help: consider using `_rest` instead
Nov 01 03:28:39.852 INFO kablam! 
Nov 01 03:28:39.879 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:28:39.880 INFO kablam!   --> examples/futurechannels.rs:14:5
Nov 01 03:28:39.880 INFO kablam!    |
Nov 01 03:28:39.880 INFO kablam! 14 | /     receiver.map(|i| {
Nov 01 03:28:39.880 INFO kablam! 15 | |       println!("got: {}", i);
Nov 01 03:28:39.880 INFO kablam! 16 | |     }).wait();
Nov 01 03:28:39.881 INFO kablam!    | |______________^
Nov 01 03:28:39.881 INFO kablam!    |
Nov 01 03:28:39.881 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 03:28:39.881 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:28:39.881 INFO kablam! 
Nov 01 03:28:39.882 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:28:39.882 INFO kablam!   --> examples/futurechannels.rs:30:5
Nov 01 03:28:39.882 INFO kablam!    |
Nov 01 03:28:39.882 INFO kablam! 30 |     sender2.send(1).and_then(|tx| { println!("sending 2"); tx.send(2) } ).wait();
Nov 01 03:28:39.882 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:28:39.883 INFO kablam!    |
Nov 01 03:28:39.883 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:28:39.883 INFO kablam! 
Nov 01 03:28:39.883 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 03:28:39.883 INFO kablam!   --> examples/futurechannels.rs:49:3
Nov 01 03:28:39.883 INFO kablam!    |
Nov 01 03:28:39.883 INFO kablam! 49 |   sender3.send(5).and_then(|tx| tx.send(6)).wait();
Nov 01 03:28:39.884 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:28:39.884 INFO kablam!    |
Nov 01 03:28:39.884 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 03:28:39.884 INFO kablam! 
Nov 01 03:28:39.919 INFO kablam! warning: unused import: `std::thread`
Nov 01 03:28:39.919 INFO kablam!  --> examples/inc.rs:1:5
Nov 01 03:28:39.919 INFO kablam!   |
Nov 01 03:28:39.919 INFO kablam! 1 | use std::thread;
Nov 01 03:28:39.919 INFO kablam!   |     ^^^^^^^^^^^
Nov 01 03:28:39.919 INFO kablam!   |
Nov 01 03:28:39.919 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 03:28:39.919 INFO kablam! 
Nov 01 03:28:39.919 INFO kablam! warning: unused import: `std::sync::mpsc::channel`
Nov 01 03:28:39.919 INFO kablam!  --> examples/inc.rs:2:5
Nov 01 03:28:39.919 INFO kablam!   |
Nov 01 03:28:39.919 INFO kablam! 2 | use std::sync::mpsc::channel;
Nov 01 03:28:39.919 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 03:28:39.919 INFO kablam! 
Nov 01 03:28:39.954 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
Nov 01 03:28:39.958 INFO kablam! su: No module specific data is present
Nov 01 03:28:40.228 INFO running `"docker" "rm" "-f" "308ef5e891c01e19c658c93a5c67332f200a65541be6ad5946b0a22261704aed"`
Nov 01 03:28:40.360 INFO blam! 308ef5e891c01e19c658c93a5c67332f200a65541be6ad5946b0a22261704aed