Nov 17 00:11:04.069 INFO testing jakobdalsgaard/rust-examples against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 00:11:04.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 00:11:04.260 INFO [stdout] ddd08cfecc88084b6c3183c1b2bc5f234a997f1b6ee5afbe0b03d7ac26539fd9
Nov 17 00:11:04.262 INFO running `"docker" "start" "-a" "ddd08cfecc88084b6c3183c1b2bc5f234a997f1b6ee5afbe0b03d7ac26539fd9"`
Nov 17 00:11:04.831 INFO [stderr] usermod: no changes
Nov 17 00:11:04.865 INFO [stderr]    Compiling log v0.3.6
Nov 17 00:11:05.319 INFO [stderr]    Compiling futures v0.1.10
Nov 17 00:11:07.911 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Nov 17 00:11:08.284 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
Nov 17 00:11:08.287 INFO [stderr] su: No module specific data is present
Nov 17 00:11:08.599 INFO running `"docker" "inspect" "ddd08cfecc88084b6c3183c1b2bc5f234a997f1b6ee5afbe0b03d7ac26539fd9"`
Nov 17 00:11:08.700 INFO running `"docker" "rm" "-f" "ddd08cfecc88084b6c3183c1b2bc5f234a997f1b6ee5afbe0b03d7ac26539fd9"`
Nov 17 00:11:08.836 INFO [stdout] ddd08cfecc88084b6c3183c1b2bc5f234a997f1b6ee5afbe0b03d7ac26539fd9
Nov 17 00:11:08.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 00:11:09.077 INFO [stdout] 7e29ebb9e8dc56a4b9fcb3b12e537ebe9667a1823e8f20dd540548aa067f09de
Nov 17 00:11:09.079 INFO running `"docker" "start" "-a" "7e29ebb9e8dc56a4b9fcb3b12e537ebe9667a1823e8f20dd540548aa067f09de"`
Nov 17 00:11:09.464 INFO [stderr] usermod: no changes
Nov 17 00:11:09.503 INFO [stderr]    Compiling rust-examples v0.1.0 (/source)
Nov 17 00:11:09.761 INFO [stderr] warning: variable does not need to be mutable
Nov 17 00:11:09.761 INFO [stderr]  --> examples/stdchannels.rs:8:16
Nov 17 00:11:09.762 INFO [stderr]   |
Nov 17 00:11:09.762 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 17 00:11:09.762 INFO [stderr]   |                ----^^
Nov 17 00:11:09.762 INFO [stderr]   |                |
Nov 17 00:11:09.763 INFO [stderr]   |                help: remove this `mut`
Nov 17 00:11:09.763 INFO [stderr]   |
Nov 17 00:11:09.763 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 17 00:11:09.764 INFO [stderr] 
Nov 17 00:11:09.767 INFO [stderr] warning: variable does not need to be mutable
Nov 17 00:11:09.767 INFO [stderr]  --> examples/stdchannels.rs:8:8
Nov 17 00:11:09.768 INFO [stderr]   |
Nov 17 00:11:09.768 INFO [stderr] 8 |   let (mut tx, mut rx) = sync_channel(0);
Nov 17 00:11:09.768 INFO [stderr]   |        ----^^
Nov 17 00:11:09.768 INFO [stderr]   |        |
Nov 17 00:11:09.769 INFO [stderr]   |        help: remove this `mut`
Nov 17 00:11:09.769 INFO [stderr] 
Nov 17 00:11:09.770 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 00:11:09.770 INFO [stderr]   --> examples/stdchannels.rs:17:7
Nov 17 00:11:09.770 INFO [stderr]    |
Nov 17 00:11:09.771 INFO [stderr] 17 |       tx.send(7);
Nov 17 00:11:09.771 INFO [stderr]    |       ^^^^^^^^^^^
Nov 17 00:11:09.771 INFO [stderr]    |
Nov 17 00:11:09.772 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 00:11:09.772 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 00:11:09.772 INFO [stderr] 
Nov 17 00:11:09.959 INFO [stderr] warning: unused import: `std::thread`
Nov 17 00:11:09.959 INFO [stderr]  --> examples/inc.rs:1:5
Nov 17 00:11:09.960 INFO [stderr]   |
Nov 17 00:11:09.960 INFO [stderr] 1 | use std::thread;
Nov 17 00:11:09.960 INFO [stderr]   |     ^^^^^^^^^^^
Nov 17 00:11:09.960 INFO [stderr]   |
Nov 17 00:11:09.961 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 00:11:09.961 INFO [stderr] 
Nov 17 00:11:09.961 INFO [stderr] warning: unused import: `std::sync::mpsc::channel`
Nov 17 00:11:09.962 INFO [stderr]  --> examples/inc.rs:2:5
Nov 17 00:11:09.962 INFO [stderr]   |
Nov 17 00:11:09.962 INFO [stderr] 2 | use std::sync::mpsc::channel;
Nov 17 00:11:09.963 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:11:09.963 INFO [stderr] 
Nov 17 00:11:10.027 INFO [stderr] warning: unused import: `futures::sync::mpsc::Sender`
Nov 17 00:11:10.027 INFO [stderr]  --> examples/futurechannels.rs:7:5
Nov 17 00:11:10.028 INFO [stderr]   |
Nov 17 00:11:10.028 INFO [stderr] 7 | use futures::sync::mpsc::Sender;
Nov 17 00:11:10.028 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:11:10.029 INFO [stderr]   |
Nov 17 00:11:10.029 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 00:11:10.029 INFO [stderr] 
Nov 17 00:11:10.087 INFO [stderr] warning: unused variable: `child2`
Nov 17 00:11:10.087 INFO [stderr]   --> examples/futurechannels.rs:28:7
Nov 17 00:11:10.088 INFO [stderr]    |
Nov 17 00:11:10.088 INFO [stderr] 28 |   let child2 = thread::spawn(move || {
Nov 17 00:11:10.088 INFO [stderr]    |       ^^^^^^ help: consider using `_child2` instead
Nov 17 00:11:10.089 INFO [stderr]    |
Nov 17 00:11:10.089 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 00:11:10.090 INFO [stderr] 
Nov 17 00:11:10.091 INFO [stderr] warning: unused variable: `rest`
Nov 17 00:11:10.091 INFO [stderr]   --> examples/futurechannels.rs:66:14
Nov 17 00:11:10.092 INFO [stderr]    |
Nov 17 00:11:10.092 INFO [stderr] 66 |   let (item, rest) = rest.into_future().wait().ok().unwrap();
Nov 17 00:11:10.093 INFO [stderr]    |              ^^^^ help: consider using `_rest` instead
Nov 17 00:11:10.095 INFO [stderr] 
Nov 17 00:11:10.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 00:11:10.120 INFO [stderr]   --> examples/futurechannels.rs:14:5
Nov 17 00:11:10.121 INFO [stderr]    |
Nov 17 00:11:10.121 INFO [stderr] 14 | /     receiver.map(|i| {
Nov 17 00:11:10.121 INFO [stderr] 15 | |       println!("got: {}", i);
Nov 17 00:11:10.122 INFO [stderr] 16 | |     }).wait();
Nov 17 00:11:10.122 INFO [stderr]    | |______________^
Nov 17 00:11:10.123 INFO [stderr]    |
Nov 17 00:11:10.123 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 00:11:10.124 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 00:11:10.124 INFO [stderr] 
Nov 17 00:11:10.127 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 00:11:10.127 INFO [stderr]   --> examples/futurechannels.rs:30:5
Nov 17 00:11:10.127 INFO [stderr]    |
Nov 17 00:11:10.127 INFO [stderr] 30 |     sender2.send(1).and_then(|tx| { println!("sending 2"); tx.send(2) } ).wait();
Nov 17 00:11:10.127 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:11:10.127 INFO [stderr]    |
Nov 17 00:11:10.127 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 00:11:10.127 INFO [stderr] 
Nov 17 00:11:10.127 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 00:11:10.127 INFO [stderr]   --> examples/futurechannels.rs:49:3
Nov 17 00:11:10.127 INFO [stderr]    |
Nov 17 00:11:10.127 INFO [stderr] 49 |   sender3.send(5).and_then(|tx| tx.send(6)).wait();
Nov 17 00:11:10.127 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 00:11:10.127 INFO [stderr]    |
Nov 17 00:11:10.127 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 00:11:10.127 INFO [stderr] 
Nov 17 00:11:11.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
Nov 17 00:11:11.587 INFO [stderr] su: No module specific data is present
Nov 17 00:11:12.369 INFO running `"docker" "inspect" "7e29ebb9e8dc56a4b9fcb3b12e537ebe9667a1823e8f20dd540548aa067f09de"`
Nov 17 00:11:12.687 INFO running `"docker" "rm" "-f" "7e29ebb9e8dc56a4b9fcb3b12e537ebe9667a1823e8f20dd540548aa067f09de"`
Nov 17 00:11:12.943 INFO [stdout] 7e29ebb9e8dc56a4b9fcb3b12e537ebe9667a1823e8f20dd540548aa067f09de
Nov 17 00:11:12.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 00:11:13.344 INFO [stdout] 5853b57ea83dedde3b6b48b0c9e50e040d7b35a45c04725947a9749b07d7cd35
Nov 17 00:11:13.346 INFO running `"docker" "start" "-a" "5853b57ea83dedde3b6b48b0c9e50e040d7b35a45c04725947a9749b07d7cd35"`
Nov 17 00:11:15.397 INFO [stderr] usermod: no changes
Nov 17 00:11:15.507 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 17 00:11:15.507 INFO [stderr]      Running /target/debug/deps/rust_examples-3edf6fc1bc9328ac
Nov 17 00:11:15.533 INFO [stdout] 
Nov 17 00:11:15.533 INFO [stdout] running 0 tests
Nov 17 00:11:15.533 INFO [stdout] 
Nov 17 00:11:15.533 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 00:11:15.533 INFO [stdout] 
Nov 17 00:11:15.540 INFO [stderr] su: No module specific data is present
Nov 17 00:11:16.361 INFO running `"docker" "inspect" "5853b57ea83dedde3b6b48b0c9e50e040d7b35a45c04725947a9749b07d7cd35"`
Nov 17 00:11:16.699 INFO running `"docker" "rm" "-f" "5853b57ea83dedde3b6b48b0c9e50e040d7b35a45c04725947a9749b07d7cd35"`
Nov 17 00:11:17.042 INFO [stdout] 5853b57ea83dedde3b6b48b0c9e50e040d7b35a45c04725947a9749b07d7cd35