Dec 13 16:06:09.840 INFO testing jakobdalsgaard/rust-examples against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 16:06:09.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 16:06:10.022 INFO [stdout] 6f9a1292c2fc0ab9a4d2abfd55a721635586ab0dde61bdae8bdb0b52eec2f97b
Dec 13 16:06:10.024 INFO running `"docker" "start" "-a" "6f9a1292c2fc0ab9a4d2abfd55a721635586ab0dde61bdae8bdb0b52eec2f97b"`
Dec 13 16:06:10.487 INFO [stderr] usermod: no changes
Dec 13 16:06:10.517 INFO [stderr]    Compiling log v0.3.6
Dec 13 16:06:10.831 INFO [stderr]    Compiling futures v0.1.10
Dec 13 16:06:13.595 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Dec 13 16:06:14.160 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
Dec 13 16:06:14.164 INFO [stderr] su: No module specific data is present
Dec 13 16:06:15.241 INFO running `"docker" "inspect" "6f9a1292c2fc0ab9a4d2abfd55a721635586ab0dde61bdae8bdb0b52eec2f97b"`
Dec 13 16:06:15.581 INFO running `"docker" "rm" "-f" "6f9a1292c2fc0ab9a4d2abfd55a721635586ab0dde61bdae8bdb0b52eec2f97b"`
Dec 13 16:06:15.823 INFO [stdout] 6f9a1292c2fc0ab9a4d2abfd55a721635586ab0dde61bdae8bdb0b52eec2f97b
Dec 13 16:06:15.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 16:06:16.338 INFO [stdout] 72f60c404a715e1c024df0d4246c939d181023d0361406b50d8f8142e3c144a5
Dec 13 16:06:16.340 INFO running `"docker" "start" "-a" "72f60c404a715e1c024df0d4246c939d181023d0361406b50d8f8142e3c144a5"`
Dec 13 16:06:17.542 INFO [stderr] usermod: no changes
Dec 13 16:06:17.620 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Dec 13 16:06:18.335 INFO [stderr] warning: unused import: `std::thread`
Dec 13 16:06:18.335 INFO [stderr]  --> examples/inc.rs:1:5
Dec 13 16:06:18.335 INFO [stderr]   |
Dec 13 16:06:18.335 INFO [stderr] 1 | use std::thread;
Dec 13 16:06:18.335 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 16:06:18.335 INFO [stderr]   |
Dec 13 16:06:18.335 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:06:18.335 INFO [stderr] 
Dec 13 16:06:18.335 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Dec 13 16:06:18.335 INFO [stderr]  --> examples/inc.rs:2:5
Dec 13 16:06:18.335 INFO [stderr]   |
Dec 13 16:06:18.335 INFO [stderr] 2 | use std::sync::mpsc::channel;
Dec 13 16:06:18.335 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:18.335 INFO [stderr] 
Dec 13 16:06:18.617 INFO [stderr] warning: unused import: `futures::sync::mpsc::Sender`
Dec 13 16:06:18.617 INFO [stderr]  --> examples/futurechannels.rs:7:5
Dec 13 16:06:18.617 INFO [stderr]   |
Dec 13 16:06:18.617 INFO [stderr] 7 | use futures::sync::mpsc::Sender;
Dec 13 16:06:18.617 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:18.640 INFO [stderr]   |
Dec 13 16:06:18.640 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:06:18.640 INFO [stderr] 
Dec 13 16:06:18.859 INFO [stderr] warning: unused variable: `child2`
Dec 13 16:06:18.859 INFO [stderr]   --> examples/futurechannels.rs:28:7
Dec 13 16:06:18.859 INFO [stderr]    |
Dec 13 16:06:18.859 INFO [stderr] 28 |   let child2 = thread::spawn(move || {
Dec 13 16:06:18.859 INFO [stderr]    |       ^^^^^^ help: consider using `_child2` instead
Dec 13 16:06:18.859 INFO [stderr]    |
Dec 13 16:06:18.859 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:06:18.859 INFO [stderr] 
Dec 13 16:06:18.863 INFO [stderr] warning: unused variable: `rest`
Dec 13 16:06:18.863 INFO [stderr]   --> examples/futurechannels.rs:66:14
Dec 13 16:06:18.863 INFO [stderr]    |
Dec 13 16:06:18.863 INFO [stderr] 66 |   let (item, rest) = rest.into_future().wait().ok().unwrap();
Dec 13 16:06:18.863 INFO [stderr]    |              ^^^^ help: consider using `_rest` instead
Dec 13 16:06:18.863 INFO [stderr] 
Dec 13 16:06:18.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:18.952 INFO [stderr]   --> examples/futurechannels.rs:14:5
Dec 13 16:06:18.952 INFO [stderr]    |
Dec 13 16:06:18.952 INFO [stderr] 14 | /     receiver.map(|i| {
Dec 13 16:06:18.952 INFO [stderr] 15 | |       println!("got: {}", i);
Dec 13 16:06:18.952 INFO [stderr] 16 | |     }).wait();
Dec 13 16:06:18.952 INFO [stderr]    | |______________^
Dec 13 16:06:18.952 INFO [stderr]    |
Dec 13 16:06:18.952 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:06:18.952 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:18.952 INFO [stderr] 
Dec 13 16:06:18.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:18.952 INFO [stderr]   --> examples/futurechannels.rs:30:5
Dec 13 16:06:18.952 INFO [stderr]    |
Dec 13 16:06:18.952 INFO [stderr] 30 |     sender2.send(1).and_then(|tx| { println!("sending 2"); tx.send(2) } ).wait();
Dec 13 16:06:18.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:18.952 INFO [stderr]    |
Dec 13 16:06:18.952 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:18.952 INFO [stderr] 
Dec 13 16:06:18.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:18.952 INFO [stderr]   --> examples/futurechannels.rs:49:3
Dec 13 16:06:18.952 INFO [stderr]    |
Dec 13 16:06:18.952 INFO [stderr] 49 |   sender3.send(5).and_then(|tx| tx.send(6)).wait();
Dec 13 16:06:18.952 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:06:18.952 INFO [stderr]    |
Dec 13 16:06:18.952 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:18.952 INFO [stderr] 
Dec 13 16:06:18.967 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:06:18.967 INFO [stderr]  --> examples/stdchannels.rs:8:16
Dec 13 16:06:18.967 INFO [stderr]   |
Dec 13 16:06:18.967 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Dec 13 16:06:18.967 INFO [stderr]   |                ----^^
Dec 13 16:06:18.967 INFO [stderr]   |                |
Dec 13 16:06:18.967 INFO [stderr]   |                help: remove this `mut`
Dec 13 16:06:18.979 INFO [stderr]   |
Dec 13 16:06:18.979 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 13 16:06:18.979 INFO [stderr] 
Dec 13 16:06:18.979 INFO [stderr] warning: variable does not need to be mutable
Dec 13 16:06:18.979 INFO [stderr]  --> examples/stdchannels.rs:8:8
Dec 13 16:06:18.979 INFO [stderr]   |
Dec 13 16:06:18.979 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Dec 13 16:06:18.979 INFO [stderr]   |        ----^^
Dec 13 16:06:18.979 INFO [stderr]   |        |
Dec 13 16:06:18.979 INFO [stderr]   |        help: remove this `mut`
Dec 13 16:06:18.979 INFO [stderr] 
Dec 13 16:06:19.011 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:06:19.011 INFO [stderr]   --> examples/stdchannels.rs:17:7
Dec 13 16:06:19.011 INFO [stderr]    |
Dec 13 16:06:19.011 INFO [stderr] 17 |       tx.send(7);
Dec 13 16:06:19.011 INFO [stderr]    |       ^^^^^^^^^^^
Dec 13 16:06:19.031 INFO [stderr]    |
Dec 13 16:06:19.031 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:06:19.031 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:06:19.031 INFO [stderr] 
Dec 13 16:06:21.496 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
Dec 13 16:06:21.500 INFO [stderr] su: No module specific data is present
Dec 13 16:06:22.391 INFO running `"docker" "inspect" "72f60c404a715e1c024df0d4246c939d181023d0361406b50d8f8142e3c144a5"`
Dec 13 16:06:22.696 INFO running `"docker" "rm" "-f" "72f60c404a715e1c024df0d4246c939d181023d0361406b50d8f8142e3c144a5"`
Dec 13 16:06:23.017 INFO [stdout] 72f60c404a715e1c024df0d4246c939d181023d0361406b50d8f8142e3c144a5
Dec 13 16:06:23.021 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 16:06:23.437 INFO [stdout] 9fb4869410b2c579feb27827ef3cc6fce946dd6e1051b4ee706f33bab5fc1604
Dec 13 16:06:23.441 INFO running `"docker" "start" "-a" "9fb4869410b2c579feb27827ef3cc6fce946dd6e1051b4ee706f33bab5fc1604"`
Dec 13 16:06:24.703 INFO [stderr] usermod: no changes
Dec 13 16:06:24.763 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 16:06:24.775 INFO [stderr]      Running /target/debug/deps/rust_examples-a72a266f2a6c6674
Dec 13 16:06:24.779 INFO [stdout] 
Dec 13 16:06:24.779 INFO [stdout] running 0 tests
Dec 13 16:06:24.779 INFO [stdout] 
Dec 13 16:06:24.779 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:06:24.779 INFO [stdout] 
Dec 13 16:06:24.795 INFO [stderr] su: No module specific data is present
Dec 13 16:06:25.466 INFO running `"docker" "inspect" "9fb4869410b2c579feb27827ef3cc6fce946dd6e1051b4ee706f33bab5fc1604"`
Dec 13 16:06:25.721 INFO running `"docker" "rm" "-f" "9fb4869410b2c579feb27827ef3cc6fce946dd6e1051b4ee706f33bab5fc1604"`
Dec 13 16:06:26.019 INFO [stdout] 9fb4869410b2c579feb27827ef3cc6fce946dd6e1051b4ee706f33bab5fc1604