Dec 13 16:06:10.443 INFO testing jakobdalsgaard/rust-examples against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 16:06:10.443 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 13 16:06:10.629 INFO [stdout] 9bd252444548528c7e562cb268e99d95d2aa9aeedb3080d23a269135395cbcbe
Dec 13 16:06:10.631 INFO running `"docker" "start" "-a" "9bd252444548528c7e562cb268e99d95d2aa9aeedb3080d23a269135395cbcbe"`
Dec 13 16:06:11.106 INFO [stderr] usermod: no changes
Dec 13 16:06:11.124 INFO [stderr]    Compiling log v0.3.6
Dec 13 16:06:11.503 INFO [stderr]    Compiling futures v0.1.10
Dec 13 16:06:14.527 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Dec 13 16:06:15.064 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.95s
Dec 13 16:06:15.066 INFO [stderr] su: No module specific data is present
Dec 13 16:06:15.867 INFO running `"docker" "inspect" "9bd252444548528c7e562cb268e99d95d2aa9aeedb3080d23a269135395cbcbe"`
Dec 13 16:06:16.215 INFO running `"docker" "rm" "-f" "9bd252444548528c7e562cb268e99d95d2aa9aeedb3080d23a269135395cbcbe"`
Dec 13 16:06:16.515 INFO [stdout] 9bd252444548528c7e562cb268e99d95d2aa9aeedb3080d23a269135395cbcbe
Dec 13 16:06:16.519 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 13 16:06:16.976 INFO [stdout] 87e7ba0192c9987af88a0f988ebe2567d308913e578b84ce4bc5950ae555f680
Dec 13 16:06:16.979 INFO running `"docker" "start" "-a" "87e7ba0192c9987af88a0f988ebe2567d308913e578b84ce4bc5950ae555f680"`
Dec 13 16:06:18.399 INFO [stderr] usermod: no changes
Dec 13 16:06:18.467 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Dec 13 16:06:19.605 INFO [stderr] warning: unused import: `std::thread`
Dec 13 16:06:19.605 INFO [stderr]  --> examples/inc.rs:1:5
Dec 13 16:06:19.605 INFO [stderr]   |
Dec 13 16:06:19.605 INFO [stderr] 1 | use std::thread;
Dec 13 16:06:19.605 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 16:06:19.605 INFO [stderr]   |
Dec 13 16:06:19.605 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:06:19.605 INFO [stderr] 
Dec 13 16:06:19.605 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 13 16:06:19.605 INFO [stderr]  --> examples/inc.rs:2:5
Dec 13 16:06:19.605 INFO [stderr]   |
Dec 13 16:06:19.605 INFO [stderr] 2 | use std::sync::mpsc::channel;
Dec 13 16:06:19.605 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:19.605 INFO [stderr] 
Dec 13 16:06:19.688 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:06:19.688 INFO [stderr]  --> examples/stdchannels.rs:8:16
Dec 13 16:06:19.688 INFO [stderr]   |
Dec 13 16:06:19.688 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Dec 13 16:06:19.688 INFO [stderr]   |                ----^^
Dec 13 16:06:19.688 INFO [stderr]   |                |
Dec 13 16:06:19.688 INFO [stderr]   |                help: remove this `mut`
Dec 13 16:06:19.688 INFO [stderr]   |
Dec 13 16:06:19.688 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 13 16:06:19.688 INFO [stderr] 
Dec 13 16:06:19.688 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:06:19.688 INFO [stderr]  --> examples/stdchannels.rs:8:8
Dec 13 16:06:19.688 INFO [stderr]   |
Dec 13 16:06:19.688 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Dec 13 16:06:19.688 INFO [stderr]   |        ----^^
Dec 13 16:06:19.688 INFO [stderr]   |        |
Dec 13 16:06:19.688 INFO [stderr]   |        help: remove this `mut`
Dec 13 16:06:19.688 INFO [stderr] 
Dec 13 16:06:19.690 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:19.690 INFO [stderr]   --> examples/stdchannels.rs:17:7
Dec 13 16:06:19.691 INFO [stderr]    |
Dec 13 16:06:19.691 INFO [stderr] 17 |       tx.send(7);
Dec 13 16:06:19.691 INFO [stderr]    |       ^^^^^^^^^^^
Dec 13 16:06:19.691 INFO [stderr]    |
Dec 13 16:06:19.691 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:06:19.691 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:19.691 INFO [stderr] 
Dec 13 16:06:19.691 INFO [stderr] warning: unused import: `futures::sync::mpsc::Sender`
Dec 13 16:06:19.691 INFO [stderr]  --> examples/futurechannels.rs:7:5
Dec 13 16:06:19.691 INFO [stderr]   |
Dec 13 16:06:19.691 INFO [stderr] 7 | use futures::sync::mpsc::Sender;
Dec 13 16:06:19.691 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:19.691 INFO [stderr]   |
Dec 13 16:06:19.691 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:06:19.691 INFO [stderr] 
Dec 13 16:06:20.071 INFO [stderr] warning: unused variable: `child2`
Dec 13 16:06:20.071 INFO [stderr]   --> examples/futurechannels.rs:28:7
Dec 13 16:06:20.071 INFO [stderr]    |
Dec 13 16:06:20.071 INFO [stderr] 28 |   let child2 = thread::spawn(move || {
Dec 13 16:06:20.071 INFO [stderr]    |       ^^^^^^ help: consider using `_child2` instead
Dec 13 16:06:20.071 INFO [stderr]    |
Dec 13 16:06:20.071 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:06:20.071 INFO [stderr] 
Dec 13 16:06:20.071 INFO [stderr] warning: unused variable: `rest`
Dec 13 16:06:20.071 INFO [stderr]   --> examples/futurechannels.rs:66:14
Dec 13 16:06:20.071 INFO [stderr]    |
Dec 13 16:06:20.071 INFO [stderr] 66 |   let (item, rest) = rest.into_future().wait().ok().unwrap();
Dec 13 16:06:20.071 INFO [stderr]    |              ^^^^ help: consider using `_rest` instead
Dec 13 16:06:20.071 INFO [stderr] 
Dec 13 16:06:20.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:20.200 INFO [stderr]   --> examples/futurechannels.rs:14:5
Dec 13 16:06:20.200 INFO [stderr]    |
Dec 13 16:06:20.200 INFO [stderr] 14 | /     receiver.map(|i| {
Dec 13 16:06:20.200 INFO [stderr] 15 | |       println!("got: {}", i);
Dec 13 16:06:20.200 INFO [stderr] 16 | |     }).wait();
Dec 13 16:06:20.200 INFO [stderr]    | |______________^
Dec 13 16:06:20.200 INFO [stderr]    |
Dec 13 16:06:20.200 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:06:20.200 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:20.200 INFO [stderr] 
Dec 13 16:06:20.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:20.200 INFO [stderr]   --> examples/futurechannels.rs:30:5
Dec 13 16:06:20.200 INFO [stderr]    |
Dec 13 16:06:20.200 INFO [stderr] 30 |     sender2.send(1).and_then(|tx| { println!("sending 2"); tx.send(2) } ).wait();
Dec 13 16:06:20.200 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:20.200 INFO [stderr]    |
Dec 13 16:06:20.200 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:20.200 INFO [stderr] 
Dec 13 16:06:20.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:20.200 INFO [stderr]   --> examples/futurechannels.rs:49:3
Dec 13 16:06:20.200 INFO [stderr]    |
Dec 13 16:06:20.200 INFO [stderr] 49 |   sender3.send(5).and_then(|tx| tx.send(6)).wait();
Dec 13 16:06:20.201 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:20.201 INFO [stderr]    |
Dec 13 16:06:20.201 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:20.201 INFO [stderr] 
Dec 13 16:06:22.451 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
Dec 13 16:06:22.457 INFO [stderr] su: No module specific data is present
Dec 13 16:06:23.347 INFO running `"docker" "inspect" "87e7ba0192c9987af88a0f988ebe2567d308913e578b84ce4bc5950ae555f680"`
Dec 13 16:06:23.740 INFO running `"docker" "rm" "-f" "87e7ba0192c9987af88a0f988ebe2567d308913e578b84ce4bc5950ae555f680"`
Dec 13 16:06:24.018 INFO [stdout] 87e7ba0192c9987af88a0f988ebe2567d308913e578b84ce4bc5950ae555f680
Dec 13 16:06:24.021 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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"`
Dec 13 16:06:24.693 INFO [stdout] 840b336ce893be030794eeb489df0caa56ab5db56af56021e1ddd97843f94bbe
Dec 13 16:06:24.696 INFO running `"docker" "start" "-a" "840b336ce893be030794eeb489df0caa56ab5db56af56021e1ddd97843f94bbe"`
Dec 13 16:06:25.729 INFO [stderr] usermod: no changes
Dec 13 16:06:25.795 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 16:06:25.795 INFO [stderr]      Running /target/debug/deps/rust_examples-da24e3779ca90b5e
Dec 13 16:06:25.815 INFO [stdout] 
Dec 13 16:06:25.815 INFO [stdout] running 0 tests
Dec 13 16:06:25.815 INFO [stdout] 
Dec 13 16:06:25.815 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:06:25.815 INFO [stdout] 
Dec 13 16:06:25.819 INFO [stderr] su: No module specific data is present
Dec 13 16:06:26.501 INFO running `"docker" "inspect" "840b336ce893be030794eeb489df0caa56ab5db56af56021e1ddd97843f94bbe"`
Dec 13 16:06:26.943 INFO running `"docker" "rm" "-f" "840b336ce893be030794eeb489df0caa56ab5db56af56021e1ddd97843f94bbe"`
Dec 13 16:06:27.261 INFO [stdout] 840b336ce893be030794eeb489df0caa56ab5db56af56021e1ddd97843f94bbe