Nov 02 12:55:32.637 INFO checking jakobdalsgaard/rust-examples against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 12:55:32.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-3/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 12:55:33.068 INFO blam! 6b80ede9471511f2702bff918a6d1ea6b5eddfc496abfa14d346bfaa7ee3da84
Nov 02 12:55:33.092 INFO running `"docker" "start" "-a" "6b80ede9471511f2702bff918a6d1ea6b5eddfc496abfa14d346bfaa7ee3da84"`
Nov 02 12:55:34.074 INFO kablam! usermod: no changes
Nov 02 12:55:34.138 INFO kablam!     Checking log v0.3.6
Nov 02 12:55:34.428 INFO kablam!     Checking futures v0.1.10
Nov 02 12:55:36.761 INFO kablam!     Checking rust-examples v0.1.0 (/source)
Nov 02 12:55:38.404 INFO kablam! warning: unused import: `std::thread`
Nov 02 12:55:38.404 INFO kablam!  --> examples/inc.rs:1:5
Nov 02 12:55:38.404 INFO kablam!   |
Nov 02 12:55:38.404 INFO kablam! 1 | use std::thread;
Nov 02 12:55:38.404 INFO kablam!   |     ^^^^^^^^^^^
Nov 02 12:55:38.416 INFO kablam!   |
Nov 02 12:55:38.416 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 12:55:38.416 INFO kablam! 
Nov 02 12:55:38.417 INFO kablam! warning: unused import: `std::sync::mpsc::channel`
Nov 02 12:55:38.417 INFO kablam!  --> examples/inc.rs:2:5
Nov 02 12:55:38.417 INFO kablam!   |
Nov 02 12:55:38.417 INFO kablam! 2 | use std::sync::mpsc::channel;
Nov 02 12:55:38.417 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:55:38.417 INFO kablam! 
Nov 02 12:55:38.540 INFO kablam! warning: variable does not need to be mutable
Nov 02 12:55:38.541 INFO kablam!  --> examples/stdchannels.rs:8:16
Nov 02 12:55:38.541 INFO kablam!   |
Nov 02 12:55:38.541 INFO kablam! 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 02 12:55:38.542 INFO kablam!   |                ----^^
Nov 02 12:55:38.542 INFO kablam!   |                |
Nov 02 12:55:38.542 INFO kablam!   |                help: remove this `mut`
Nov 02 12:55:38.543 INFO kablam!   |
Nov 02 12:55:38.543 INFO kablam!   = note: #[warn(unused_mut)] on by default
Nov 02 12:55:38.543 INFO kablam! 
Nov 02 12:55:38.543 INFO kablam! warning: variable does not need to be mutable
Nov 02 12:55:38.544 INFO kablam!  --> examples/stdchannels.rs:8:8
Nov 02 12:55:38.544 INFO kablam!   |
Nov 02 12:55:38.544 INFO kablam! 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 02 12:55:38.544 INFO kablam!   |        ----^^
Nov 02 12:55:38.545 INFO kablam!   |        |
Nov 02 12:55:38.545 INFO kablam!   |        help: remove this `mut`
Nov 02 12:55:38.545 INFO kablam! 
Nov 02 12:55:38.564 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 12:55:38.564 INFO kablam!   --> examples/stdchannels.rs:17:7
Nov 02 12:55:38.564 INFO kablam!    |
Nov 02 12:55:38.564 INFO kablam! 17 |       tx.send(7);
Nov 02 12:55:38.564 INFO kablam!    |       ^^^^^^^^^^^
Nov 02 12:55:38.565 INFO kablam!    |
Nov 02 12:55:38.565 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 12:55:38.565 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 12:55:38.565 INFO kablam! 
Nov 02 12:55:38.604 INFO kablam! warning: unused import: `futures::sync::mpsc::Sender`
Nov 02 12:55:38.604 INFO kablam!  --> examples/futurechannels.rs:7:5
Nov 02 12:55:38.604 INFO kablam!   |
Nov 02 12:55:38.604 INFO kablam! 7 | use futures::sync::mpsc::Sender;
Nov 02 12:55:38.605 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:55:38.605 INFO kablam!   |
Nov 02 12:55:38.605 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 12:55:38.605 INFO kablam! 
Nov 02 12:55:38.735 INFO kablam! warning: unused variable: `child2`
Nov 02 12:55:38.735 INFO kablam!   --> examples/futurechannels.rs:28:7
Nov 02 12:55:38.736 INFO kablam!    |
Nov 02 12:55:38.736 INFO kablam! 28 |   let child2 = thread::spawn(move || {
Nov 02 12:55:38.736 INFO kablam!    |       ^^^^^^ help: consider using `_child2` instead
Nov 02 12:55:38.736 INFO kablam!    |
Nov 02 12:55:38.737 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 12:55:38.737 INFO kablam! 
Nov 02 12:55:38.737 INFO kablam! warning: unused variable: `rest`
Nov 02 12:55:38.737 INFO kablam!   --> examples/futurechannels.rs:66:14
Nov 02 12:55:38.737 INFO kablam!    |
Nov 02 12:55:38.738 INFO kablam! 66 |   let (item, rest) = rest.into_future().wait().ok().unwrap();
Nov 02 12:55:38.738 INFO kablam!    |              ^^^^ help: consider using `_rest` instead
Nov 02 12:55:38.738 INFO kablam! 
Nov 02 12:55:38.763 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 12:55:38.763 INFO kablam!   --> examples/futurechannels.rs:14:5
Nov 02 12:55:38.764 INFO kablam!    |
Nov 02 12:55:38.764 INFO kablam! 14 | /     receiver.map(|i| {
Nov 02 12:55:38.764 INFO kablam! 15 | |       println!("got: {}", i);
Nov 02 12:55:38.765 INFO kablam! 16 | |     }).wait();
Nov 02 12:55:38.765 INFO kablam!    | |______________^
Nov 02 12:55:38.765 INFO kablam!    |
Nov 02 12:55:38.765 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 02 12:55:38.766 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 12:55:38.766 INFO kablam! 
Nov 02 12:55:38.766 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 12:55:38.766 INFO kablam!   --> examples/futurechannels.rs:30:5
Nov 02 12:55:38.767 INFO kablam!    |
Nov 02 12:55:38.767 INFO kablam! 30 |     sender2.send(1).and_then(|tx| { println!("sending 2"); tx.send(2) } ).wait();
Nov 02 12:55:38.767 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:55:38.767 INFO kablam!    |
Nov 02 12:55:38.768 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 12:55:38.768 INFO kablam! 
Nov 02 12:55:38.768 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 12:55:38.768 INFO kablam!   --> examples/futurechannels.rs:49:3
Nov 02 12:55:38.769 INFO kablam!    |
Nov 02 12:55:38.769 INFO kablam! 49 |   sender3.send(5).and_then(|tx| tx.send(6)).wait();
Nov 02 12:55:38.769 INFO kablam!    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 12:55:38.769 INFO kablam!    |
Nov 02 12:55:38.770 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 12:55:38.770 INFO kablam! 
Nov 02 12:55:38.801 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
Nov 02 12:55:38.805 INFO kablam! su: No module specific data is present
Nov 02 12:55:39.698 INFO running `"docker" "rm" "-f" "6b80ede9471511f2702bff918a6d1ea6b5eddfc496abfa14d346bfaa7ee3da84"`
Nov 02 12:55:40.056 INFO blam! 6b80ede9471511f2702bff918a6d1ea6b5eddfc496abfa14d346bfaa7ee3da84