Dec 11 07:50:16.300 INFO checking thomhuds/crystald against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 07:50:16.300 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 07:50:16.780 INFO [stdout] c233a682744220e8682111fa237c8eef42c9667d8f52909716c44b0ff5bfd3f4
Dec 11 07:50:16.782 INFO running `"docker" "start" "-a" "c233a682744220e8682111fa237c8eef42c9667d8f52909716c44b0ff5bfd3f4"`
Dec 11 07:50:18.072 INFO [stderr] usermod: no changes
Dec 11 07:50:18.166 INFO [stderr]     Checking redox_syscall v0.1.37
Dec 11 07:50:18.171 INFO [stderr]     Checking rand v0.4.2
Dec 11 07:50:18.171 INFO [stderr]     Checking termion v1.5.1
Dec 11 07:50:19.368 INFO [stderr]     Checking redox_event v0.1.0
Dec 11 07:50:20.857 INFO [stderr]     Checking rand v0.3.22
Dec 11 07:50:21.140 INFO [stderr]     Checking crystald v0.1.0 (/source)
Dec 11 07:50:22.214 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.214 INFO [stderr]   --> src/bin/sine_source.rs:13:5
Dec 11 07:50:22.214 INFO [stderr]    |
Dec 11 07:50:22.214 INFO [stderr] 13 |     fevent(fd, EVENT_WRITE);
Dec 11 07:50:22.214 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.214 INFO [stderr]    |
Dec 11 07:50:22.214 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:22.214 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.214 INFO [stderr] 
Dec 11 07:50:22.279 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.279 INFO [stderr]   --> src/bin/peak_sink.rs:17:5
Dec 11 07:50:22.279 INFO [stderr]    |
Dec 11 07:50:22.279 INFO [stderr] 17 |     write!(stdout, "Peak: {}", cursor::Save);
Dec 11 07:50:22.279 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.279 INFO [stderr]    |
Dec 11 07:50:22.279 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:22.279 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.279 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 07:50:22.280 INFO [stderr] 
Dec 11 07:50:22.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.280 INFO [stderr]   --> src/bin/peak_sink.rs:18:5
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr] 18 |     stdout.flush();
Dec 11 07:50:22.280 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.280 INFO [stderr] 
Dec 11 07:50:22.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.280 INFO [stderr]   --> src/bin/peak_sink.rs:21:9
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr] 21 |         stdin().read(&mut stdin_buf);
Dec 11 07:50:22.280 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.280 INFO [stderr] 
Dec 11 07:50:22.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.280 INFO [stderr]   --> src/bin/peak_sink.rs:31:9
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr] 31 |         write!(stdout, "{}{}", cursor::Restore, peak);
Dec 11 07:50:22.280 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.280 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 07:50:22.280 INFO [stderr] 
Dec 11 07:50:22.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.280 INFO [stderr]   --> src/bin/peak_sink.rs:32:9
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr] 32 |         stdout.flush();
Dec 11 07:50:22.280 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 07:50:22.280 INFO [stderr]    |
Dec 11 07:50:22.280 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.280 INFO [stderr] 
Dec 11 07:50:22.385 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.385 INFO [stderr]   --> src/bin/peak_sink.rs:17:5
Dec 11 07:50:22.385 INFO [stderr]    |
Dec 11 07:50:22.385 INFO [stderr] 17 |     write!(stdout, "Peak: {}", cursor::Save);
Dec 11 07:50:22.386 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.386 INFO [stderr]    |
Dec 11 07:50:22.386 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:22.387 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.387 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 07:50:22.387 INFO [stderr] 
Dec 11 07:50:22.388 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.388 INFO [stderr]   --> src/bin/peak_sink.rs:18:5
Dec 11 07:50:22.388 INFO [stderr]    |
Dec 11 07:50:22.389 INFO [stderr] 18 |     stdout.flush();
Dec 11 07:50:22.389 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 11 07:50:22.389 INFO [stderr]    |
Dec 11 07:50:22.389 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.389 INFO [stderr] 
Dec 11 07:50:22.389 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.389 INFO [stderr]   --> src/bin/peak_sink.rs:21:9
Dec 11 07:50:22.389 INFO [stderr]    |
Dec 11 07:50:22.389 INFO [stderr] 21 |         stdin().read(&mut stdin_buf);
Dec 11 07:50:22.389 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.389 INFO [stderr]    |
Dec 11 07:50:22.390 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.390 INFO [stderr] 
Dec 11 07:50:22.390 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.390 INFO [stderr]   --> src/bin/peak_sink.rs:31:9
Dec 11 07:50:22.390 INFO [stderr]    |
Dec 11 07:50:22.390 INFO [stderr] 31 |         write!(stdout, "{}{}", cursor::Restore, peak);
Dec 11 07:50:22.390 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.390 INFO [stderr]    |
Dec 11 07:50:22.390 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.390 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 07:50:22.390 INFO [stderr] 
Dec 11 07:50:22.390 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.390 INFO [stderr]   --> src/bin/peak_sink.rs:32:9
Dec 11 07:50:22.390 INFO [stderr]    |
Dec 11 07:50:22.390 INFO [stderr] 32 |         stdout.flush();
Dec 11 07:50:22.390 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 11 07:50:22.390 INFO [stderr]    |
Dec 11 07:50:22.390 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.390 INFO [stderr] 
Dec 11 07:50:22.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 07:50:22.477 INFO [stderr]   --> src/bin/sine_source.rs:13:5
Dec 11 07:50:22.477 INFO [stderr]    |
Dec 11 07:50:22.477 INFO [stderr] 13 |     fevent(fd, EVENT_WRITE);
Dec 11 07:50:22.477 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:22.477 INFO [stderr]    |
Dec 11 07:50:22.477 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:22.477 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 07:50:22.477 INFO [stderr] 
Dec 11 07:50:22.516 INFO [stderr] warning: variable `buf` is assigned to, but never used
Dec 11 07:50:22.516 INFO [stderr]   --> src/buffer.rs:21:13
Dec 11 07:50:22.516 INFO [stderr]    |
Dec 11 07:50:22.516 INFO [stderr] 21 |         let buf;
Dec 11 07:50:22.516 INFO [stderr]    |             ^^^
Dec 11 07:50:22.548 INFO [stderr]    |
Dec 11 07:50:22.548 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:50:22.548 INFO [stderr]    = note: consider using `_buf` instead
Dec 11 07:50:22.548 INFO [stderr] 
Dec 11 07:50:22.548 INFO [stderr] warning: value assigned to `buf` is never read
Dec 11 07:50:22.548 INFO [stderr]   --> src/buffer.rs:26:13
Dec 11 07:50:22.548 INFO [stderr]    |
Dec 11 07:50:22.548 INFO [stderr] 26 |             buf = slice::from_raw_parts_mut(ptr, size);
Dec 11 07:50:22.548 INFO [stderr]    |             ^^^
Dec 11 07:50:22.548 INFO [stderr]    |
Dec 11 07:50:22.548 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 07:50:22.548 INFO [stderr] 
Dec 11 07:50:22.620 INFO [stderr] warning: variable `buf` is assigned to, but never used
Dec 11 07:50:22.620 INFO [stderr]   --> src/buffer.rs:21:13
Dec 11 07:50:22.620 INFO [stderr]    |
Dec 11 07:50:22.620 INFO [stderr] 21 |         let buf;
Dec 11 07:50:22.620 INFO [stderr]    |             ^^^
Dec 11 07:50:22.624 INFO [stderr]    |
Dec 11 07:50:22.624 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:50:22.624 INFO [stderr]    = note: consider using `_buf` instead
Dec 11 07:50:22.624 INFO [stderr] 
Dec 11 07:50:22.624 INFO [stderr] warning: value assigned to `buf` is never read
Dec 11 07:50:22.624 INFO [stderr]   --> src/buffer.rs:26:13
Dec 11 07:50:22.624 INFO [stderr]    |
Dec 11 07:50:22.624 INFO [stderr] 26 |             buf = slice::from_raw_parts_mut(ptr, size);
Dec 11 07:50:22.624 INFO [stderr]    |             ^^^
Dec 11 07:50:22.624 INFO [stderr]    |
Dec 11 07:50:22.624 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 07:50:22.624 INFO [stderr] 
Dec 11 07:50:22.749 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
Dec 11 07:50:22.753 INFO [stderr] su: No module specific data is present
Dec 11 07:50:24.411 INFO running `"docker" "inspect" "c233a682744220e8682111fa237c8eef42c9667d8f52909716c44b0ff5bfd3f4"`
Dec 11 07:50:24.786 INFO running `"docker" "rm" "-f" "c233a682744220e8682111fa237c8eef42c9667d8f52909716c44b0ff5bfd3f4"`
Dec 11 07:50:25.174 INFO [stdout] c233a682744220e8682111fa237c8eef42c9667d8f52909716c44b0ff5bfd3f4