Dec 11 07:50:18.496 INFO checking thomhuds/crystald against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:50:18.496 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 07:50:19.022 INFO [stdout] 645ed1fe078aaf0fa7296928ea12c415191855c7a7a76b6939fe3386ed9f72de
Dec 11 07:50:19.023 INFO running `"docker" "start" "-a" "645ed1fe078aaf0fa7296928ea12c415191855c7a7a76b6939fe3386ed9f72de"`
Dec 11 07:50:21.480 INFO [stderr] usermod: no changes
Dec 11 07:50:21.599 INFO [stderr]     Checking redox_syscall v0.1.37
Dec 11 07:50:21.604 INFO [stderr]     Checking termion v1.5.1
Dec 11 07:50:21.636 INFO [stderr]     Checking rand v0.3.22
Dec 11 07:50:22.654 INFO [stderr]     Checking redox_event v0.1.0
Dec 11 07:50:23.200 INFO [stderr]     Checking crystald v0.1.0 (/source)
Dec 11 07:50:24.516 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.524 INFO [stderr]   --> src/bin/peak_sink.rs:17:5
Dec 11 07:50:24.524 INFO [stderr]    |
Dec 11 07:50:24.524 INFO [stderr] 17 |     write!(stdout, "Peak: {}", cursor::Save);
Dec 11 07:50:24.525 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.544 INFO [stderr]    |
Dec 11 07:50:24.544 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:24.544 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.544 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 07:50:24.545 INFO [stderr] 
Dec 11 07:50:24.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.545 INFO [stderr]   --> src/bin/peak_sink.rs:18:5
Dec 11 07:50:24.545 INFO [stderr]    |
Dec 11 07:50:24.545 INFO [stderr] 18 |     stdout.flush();
Dec 11 07:50:24.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 07:50:24.545 INFO [stderr]    |
Dec 11 07:50:24.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.545 INFO [stderr] 
Dec 11 07:50:24.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.545 INFO [stderr]   --> src/bin/peak_sink.rs:21:9
Dec 11 07:50:24.545 INFO [stderr]    |
Dec 11 07:50:24.545 INFO [stderr] 21 |         stdin().read(&mut stdin_buf);
Dec 11 07:50:24.545 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.545 INFO [stderr]    |
Dec 11 07:50:24.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.545 INFO [stderr] 
Dec 11 07:50:24.546 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.546 INFO [stderr]   --> src/bin/peak_sink.rs:31:9
Dec 11 07:50:24.546 INFO [stderr]    |
Dec 11 07:50:24.548 INFO [stderr] 31 |         write!(stdout, "{}{}", cursor::Restore, peak);
Dec 11 07:50:24.548 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.548 INFO [stderr]    |
Dec 11 07:50:24.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.548 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 07:50:24.548 INFO [stderr] 
Dec 11 07:50:24.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.548 INFO [stderr]   --> src/bin/peak_sink.rs:32:9
Dec 11 07:50:24.548 INFO [stderr]    |
Dec 11 07:50:24.548 INFO [stderr] 32 |         stdout.flush();
Dec 11 07:50:24.548 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 07:50:24.548 INFO [stderr]    |
Dec 11 07:50:24.552 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.552 INFO [stderr] 
Dec 11 07:50:24.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.572 INFO [stderr]   --> src/bin/sine_source.rs:13:5
Dec 11 07:50:24.572 INFO [stderr]    |
Dec 11 07:50:24.572 INFO [stderr] 13 |     fevent(fd, EVENT_WRITE);
Dec 11 07:50:24.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.572 INFO [stderr]    |
Dec 11 07:50:24.572 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:24.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.572 INFO [stderr] 
Dec 11 07:50:24.624 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.624 INFO [stderr]   --> src/bin/sine_source.rs:13:5
Dec 11 07:50:24.624 INFO [stderr]    |
Dec 11 07:50:24.624 INFO [stderr] 13 |     fevent(fd, EVENT_WRITE);
Dec 11 07:50:24.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.624 INFO [stderr]    |
Dec 11 07:50:24.624 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:24.624 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.624 INFO [stderr] 
Dec 11 07:50:24.628 INFO [stderr] warning: variable `buf` is assigned to, but never used
Dec 11 07:50:24.628 INFO [stderr]   --> src/buffer.rs:21:13
Dec 11 07:50:24.628 INFO [stderr]    |
Dec 11 07:50:24.628 INFO [stderr] 21 |         let buf;
Dec 11 07:50:24.628 INFO [stderr]    |             ^^^
Dec 11 07:50:24.628 INFO [stderr]    |
Dec 11 07:50:24.628 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:50:24.628 INFO [stderr]    = note: consider using `_buf` instead
Dec 11 07:50:24.628 INFO [stderr] 
Dec 11 07:50:24.628 INFO [stderr] warning: value assigned to `buf` is never read
Dec 11 07:50:24.628 INFO [stderr]   --> src/buffer.rs:26:13
Dec 11 07:50:24.628 INFO [stderr]    |
Dec 11 07:50:24.628 INFO [stderr] 26 |             buf = slice::from_raw_parts_mut(ptr, size);
Dec 11 07:50:24.628 INFO [stderr]    |             ^^^
Dec 11 07:50:24.628 INFO [stderr]    |
Dec 11 07:50:24.628 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 07:50:24.628 INFO [stderr] 
Dec 11 07:50:24.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.652 INFO [stderr]   --> src/bin/peak_sink.rs:17:5
Dec 11 07:50:24.652 INFO [stderr]    |
Dec 11 07:50:24.652 INFO [stderr] 17 |     write!(stdout, "Peak: {}", cursor::Save);
Dec 11 07:50:24.652 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.652 INFO [stderr]    |
Dec 11 07:50:24.652 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:24.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.653 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 07:50:24.653 INFO [stderr] 
Dec 11 07:50:24.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.653 INFO [stderr]   --> src/bin/peak_sink.rs:18:5
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr] 18 |     stdout.flush();
Dec 11 07:50:24.653 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.653 INFO [stderr] 
Dec 11 07:50:24.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.653 INFO [stderr]   --> src/bin/peak_sink.rs:21:9
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr] 21 |         stdin().read(&mut stdin_buf);
Dec 11 07:50:24.653 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.653 INFO [stderr] 
Dec 11 07:50:24.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.653 INFO [stderr]   --> src/bin/peak_sink.rs:31:9
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr] 31 |         write!(stdout, "{}{}", cursor::Restore, peak);
Dec 11 07:50:24.653 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.653 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 07:50:24.653 INFO [stderr] 
Dec 11 07:50:24.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:24.653 INFO [stderr]   --> src/bin/peak_sink.rs:32:9
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr] 32 |         stdout.flush();
Dec 11 07:50:24.653 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 07:50:24.653 INFO [stderr]    |
Dec 11 07:50:24.653 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:24.653 INFO [stderr] 
Dec 11 07:50:24.886 INFO [stderr] warning: variable `buf` is assigned to, but never used
Dec 11 07:50:24.886 INFO [stderr]   --> src/buffer.rs:21:13
Dec 11 07:50:24.886 INFO [stderr]    |
Dec 11 07:50:24.886 INFO [stderr] 21 |         let buf;
Dec 11 07:50:24.886 INFO [stderr]    |             ^^^
Dec 11 07:50:24.886 INFO [stderr]    |
Dec 11 07:50:24.886 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:50:24.886 INFO [stderr]    = note: consider using `_buf` instead
Dec 11 07:50:24.886 INFO [stderr] 
Dec 11 07:50:24.886 INFO [stderr] warning: value assigned to `buf` is never read
Dec 11 07:50:24.886 INFO [stderr]   --> src/buffer.rs:26:13
Dec 11 07:50:24.886 INFO [stderr]    |
Dec 11 07:50:24.886 INFO [stderr] 26 |             buf = slice::from_raw_parts_mut(ptr, size);
Dec 11 07:50:24.886 INFO [stderr]    |             ^^^
Dec 11 07:50:24.886 INFO [stderr]    |
Dec 11 07:50:24.886 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 07:50:24.886 INFO [stderr] 
Dec 11 07:50:24.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
Dec 11 07:50:24.968 INFO [stderr] su: No module specific data is present
Dec 11 07:50:26.348 INFO running `"docker" "inspect" "645ed1fe078aaf0fa7296928ea12c415191855c7a7a76b6939fe3386ed9f72de"`
Dec 11 07:50:26.804 INFO running `"docker" "rm" "-f" "645ed1fe078aaf0fa7296928ea12c415191855c7a7a76b6939fe3386ed9f72de"`
Dec 11 07:50:27.180 INFO [stdout] 645ed1fe078aaf0fa7296928ea12c415191855c7a7a76b6939fe3386ed9f72de