Dec 05 20:23:44.097 INFO testing jakobdalsgaard/rust-examples against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 20:23:44.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 20:23:44.500 INFO [stdout] 7900269ffbf61cda1c03f9876a0bc20503ed07e8345be7021698e31e7b430281
Dec 05 20:23:44.508 INFO running `"docker" "start" "-a" "7900269ffbf61cda1c03f9876a0bc20503ed07e8345be7021698e31e7b430281"`
Dec 05 20:23:45.317 INFO [stderr] usermod: no changes
Dec 05 20:23:45.384 INFO [stderr]    Compiling log v0.3.6
Dec 05 20:23:45.763 INFO [stderr]    Compiling futures v0.1.10
Dec 05 20:23:48.042 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Dec 05 20:23:48.677 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
Dec 05 20:23:48.680 INFO [stderr] su: No module specific data is present
Dec 05 20:23:49.404 INFO running `"docker" "inspect" "7900269ffbf61cda1c03f9876a0bc20503ed07e8345be7021698e31e7b430281"`
Dec 05 20:23:49.717 INFO running `"docker" "rm" "-f" "7900269ffbf61cda1c03f9876a0bc20503ed07e8345be7021698e31e7b430281"`
Dec 05 20:23:50.012 INFO [stdout] 7900269ffbf61cda1c03f9876a0bc20503ed07e8345be7021698e31e7b430281
Dec 05 20:23:50.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 20:23:50.472 INFO [stdout] 6586fa1a1f394c869a8b3a50bfd0ab9a8ed074faa9455cfa346f5836a01ae874
Dec 05 20:23:50.476 INFO running `"docker" "start" "-a" "6586fa1a1f394c869a8b3a50bfd0ab9a8ed074faa9455cfa346f5836a01ae874"`
Dec 05 20:23:52.448 INFO [stderr] usermod: no changes
Dec 05 20:23:52.556 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Dec 05 20:23:53.607 INFO [stderr] warning: unused import: `std::thread`
Dec 05 20:23:53.607 INFO [stderr]  --> examples/inc.rs:1:5
Dec 05 20:23:53.607 INFO [stderr]   |
Dec 05 20:23:53.607 INFO [stderr] 1 | use std::thread;
Dec 05 20:23:53.607 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 20:23:53.607 INFO [stderr]   |
Dec 05 20:23:53.607 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 20:23:53.607 INFO [stderr] 
Dec 05 20:23:53.607 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 05 20:23:53.607 INFO [stderr]  --> examples/inc.rs:2:5
Dec 05 20:23:53.607 INFO [stderr]   |
Dec 05 20:23:53.608 INFO [stderr] 2 | use std::sync::mpsc::channel;
Dec 05 20:23:53.608 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:23:53.608 INFO [stderr] 
Dec 05 20:23:53.689 INFO [stderr] warning: variable does not need to be mutable
Dec 05 20:23:53.689 INFO [stderr]  --> examples/stdchannels.rs:8:16
Dec 05 20:23:53.690 INFO [stderr]   |
Dec 05 20:23:53.690 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Dec 05 20:23:53.690 INFO [stderr]   |                ----^^
Dec 05 20:23:53.691 INFO [stderr]   |                |
Dec 05 20:23:53.691 INFO [stderr]   |                help: remove this `mut`
Dec 05 20:23:53.692 INFO [stderr]   |
Dec 05 20:23:53.692 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 20:23:53.693 INFO [stderr] 
Dec 05 20:23:53.693 INFO [stderr] warning: variable does not need to be mutable
Dec 05 20:23:53.693 INFO [stderr]  --> examples/stdchannels.rs:8:8
Dec 05 20:23:53.693 INFO [stderr]   |
Dec 05 20:23:53.693 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Dec 05 20:23:53.693 INFO [stderr]   |        ----^^
Dec 05 20:23:53.693 INFO [stderr]   |        |
Dec 05 20:23:53.693 INFO [stderr]   |        help: remove this `mut`
Dec 05 20:23:53.693 INFO [stderr] 
Dec 05 20:23:53.694 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:23:53.695 INFO [stderr]   --> examples/stdchannels.rs:17:7
Dec 05 20:23:53.695 INFO [stderr]    |
Dec 05 20:23:53.695 INFO [stderr] 17 |       tx.send(7);
Dec 05 20:23:53.695 INFO [stderr]    |       ^^^^^^^^^^^
Dec 05 20:23:53.696 INFO [stderr]    |
Dec 05 20:23:53.696 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 20:23:53.696 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:23:53.697 INFO [stderr] 
Dec 05 20:23:54.031 INFO [stderr] warning: unused import: `futures::sync::mpsc::Sender`
Dec 05 20:23:54.031 INFO [stderr]  --> examples/futurechannels.rs:7:5
Dec 05 20:23:54.031 INFO [stderr]   |
Dec 05 20:23:54.031 INFO [stderr] 7 | use futures::sync::mpsc::Sender;
Dec 05 20:23:54.031 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:23:54.031 INFO [stderr]   |
Dec 05 20:23:54.032 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 20:23:54.032 INFO [stderr] 
Dec 05 20:23:54.156 INFO [stderr] warning: unused variable: `child2`
Dec 05 20:23:54.156 INFO [stderr]   --> examples/futurechannels.rs:28:7
Dec 05 20:23:54.157 INFO [stderr]    |
Dec 05 20:23:54.157 INFO [stderr] 28 |   let child2 = thread::spawn(move || {
Dec 05 20:23:54.157 INFO [stderr]    |       ^^^^^^ help: consider using `_child2` instead
Dec 05 20:23:54.157 INFO [stderr]    |
Dec 05 20:23:54.158 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 20:23:54.158 INFO [stderr] 
Dec 05 20:23:54.158 INFO [stderr] warning: unused variable: `rest`
Dec 05 20:23:54.158 INFO [stderr]   --> examples/futurechannels.rs:66:14
Dec 05 20:23:54.158 INFO [stderr]    |
Dec 05 20:23:54.159 INFO [stderr] 66 |   let (item, rest) = rest.into_future().wait().ok().unwrap();
Dec 05 20:23:54.159 INFO [stderr]    |              ^^^^ help: consider using `_rest` instead
Dec 05 20:23:54.159 INFO [stderr] 
Dec 05 20:23:54.272 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:23:54.272 INFO [stderr]   --> examples/futurechannels.rs:14:5
Dec 05 20:23:54.273 INFO [stderr]    |
Dec 05 20:23:54.273 INFO [stderr] 14 | /     receiver.map(|i| {
Dec 05 20:23:54.273 INFO [stderr] 15 | |       println!("got: {}", i);
Dec 05 20:23:54.273 INFO [stderr] 16 | |     }).wait();
Dec 05 20:23:54.273 INFO [stderr]    | |______________^
Dec 05 20:23:54.274 INFO [stderr]    |
Dec 05 20:23:54.274 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 20:23:54.274 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:23:54.274 INFO [stderr] 
Dec 05 20:23:54.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:23:54.275 INFO [stderr]   --> examples/futurechannels.rs:30:5
Dec 05 20:23:54.275 INFO [stderr]    |
Dec 05 20:23:54.275 INFO [stderr] 30 |     sender2.send(1).and_then(|tx| { println!("sending 2"); tx.send(2) } ).wait();
Dec 05 20:23:54.275 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:23:54.275 INFO [stderr]    |
Dec 05 20:23:54.275 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:23:54.275 INFO [stderr] 
Dec 05 20:23:54.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:23:54.276 INFO [stderr]   --> examples/futurechannels.rs:49:3
Dec 05 20:23:54.276 INFO [stderr]    |
Dec 05 20:23:54.276 INFO [stderr] 49 |   sender3.send(5).and_then(|tx| tx.send(6)).wait();
Dec 05 20:23:54.276 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:23:54.276 INFO [stderr]    |
Dec 05 20:23:54.276 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:23:54.276 INFO [stderr] 
Dec 05 20:23:56.356 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
Dec 05 20:23:56.360 INFO [stderr] su: No module specific data is present
Dec 05 20:23:56.982 INFO running `"docker" "inspect" "6586fa1a1f394c869a8b3a50bfd0ab9a8ed074faa9455cfa346f5836a01ae874"`
Dec 05 20:23:57.198 INFO running `"docker" "rm" "-f" "6586fa1a1f394c869a8b3a50bfd0ab9a8ed074faa9455cfa346f5836a01ae874"`
Dec 05 20:23:57.492 INFO [stdout] 6586fa1a1f394c869a8b3a50bfd0ab9a8ed074faa9455cfa346f5836a01ae874
Dec 05 20:23:57.498 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 20:23:57.872 INFO [stdout] 2bc9daad45cab4da514b870bab6c82fb6ec516ac181914e7bc54f1c8f5a375db
Dec 05 20:23:57.874 INFO running `"docker" "start" "-a" "2bc9daad45cab4da514b870bab6c82fb6ec516ac181914e7bc54f1c8f5a375db"`
Dec 05 20:23:58.668 INFO [stderr] usermod: no changes
Dec 05 20:23:58.718 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 20:23:58.729 INFO [stderr]      Running /target/debug/deps/rust_examples-fe2477c7588f94c3
Dec 05 20:23:58.736 INFO [stderr] su: No module specific data is present
Dec 05 20:23:58.736 INFO [stdout] 
Dec 05 20:23:58.736 INFO [stdout] running 0 tests
Dec 05 20:23:58.736 INFO [stdout] 
Dec 05 20:23:58.736 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 20:23:58.736 INFO [stdout] 
Dec 05 20:23:59.189 INFO running `"docker" "inspect" "2bc9daad45cab4da514b870bab6c82fb6ec516ac181914e7bc54f1c8f5a375db"`
Dec 05 20:23:59.414 INFO running `"docker" "rm" "-f" "2bc9daad45cab4da514b870bab6c82fb6ec516ac181914e7bc54f1c8f5a375db"`
Dec 05 20:23:59.660 INFO [stdout] 2bc9daad45cab4da514b870bab6c82fb6ec516ac181914e7bc54f1c8f5a375db