Dec 17 13:42:10.362 INFO checking thomhuds/crystald against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:42:10.362 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/thomhuds/crystald:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:42:11.112 INFO [stdout] 6cb6d8414cef8edaa00173d61cae2e5b6bbdd181a3341cb713bdeba32459005c
Dec 17 13:42:11.120 INFO running `"docker" "start" "-a" "6cb6d8414cef8edaa00173d61cae2e5b6bbdd181a3341cb713bdeba32459005c"`
Dec 17 13:42:12.668 INFO [stderr]     Checking redox_syscall v0.1.37
Dec 17 13:42:12.668 INFO [stderr]     Checking termion v1.5.1
Dec 17 13:42:13.400 INFO [stderr]     Checking redox_event v0.1.0
Dec 17 13:42:13.982 INFO [stderr]     Checking crystald v0.1.0 (/opt/crater/workdir)
Dec 17 13:42:14.840 INFO [stderr] warning: variable `buf` is assigned to, but never used
Dec 17 13:42:14.841 INFO [stderr]   --> src/buffer.rs:21:13
Dec 17 13:42:14.841 INFO [stderr]    |
Dec 17 13:42:14.841 INFO [stderr] 21 |         let buf;
Dec 17 13:42:14.841 INFO [stderr]    |             ^^^
Dec 17 13:42:14.842 INFO [stderr]    |
Dec 17 13:42:14.848 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:42:14.849 INFO [stderr]    = note: consider using `_buf` instead
Dec 17 13:42:14.849 INFO [stderr] 
Dec 17 13:42:14.849 INFO [stderr] warning: value assigned to `buf` is never read
Dec 17 13:42:14.849 INFO [stderr]   --> src/buffer.rs:26:13
Dec 17 13:42:14.850 INFO [stderr]    |
Dec 17 13:42:14.850 INFO [stderr] 26 |             buf = slice::from_raw_parts_mut(ptr, size);
Dec 17 13:42:14.850 INFO [stderr]    |             ^^^
Dec 17 13:42:14.850 INFO [stderr]    |
Dec 17 13:42:14.851 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 13:42:14.851 INFO [stderr] 
Dec 17 13:42:15.020 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.021 INFO [stderr]   --> src/bin/peak_sink.rs:17:5
Dec 17 13:42:15.021 INFO [stderr]    |
Dec 17 13:42:15.021 INFO [stderr] 17 |     write!(stdout, "Peak: {}", cursor::Save);
Dec 17 13:42:15.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.022 INFO [stderr]    |
Dec 17 13:42:15.022 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:42:15.023 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.023 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 17 13:42:15.023 INFO [stderr] 
Dec 17 13:42:15.028 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.029 INFO [stderr]   --> src/bin/peak_sink.rs:18:5
Dec 17 13:42:15.029 INFO [stderr]    |
Dec 17 13:42:15.029 INFO [stderr] 18 |     stdout.flush();
Dec 17 13:42:15.030 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 13:42:15.030 INFO [stderr]    |
Dec 17 13:42:15.030 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.031 INFO [stderr] 
Dec 17 13:42:15.031 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.031 INFO [stderr]   --> src/bin/peak_sink.rs:21:9
Dec 17 13:42:15.032 INFO [stderr]    |
Dec 17 13:42:15.032 INFO [stderr] 21 |         stdin().read(&mut stdin_buf);
Dec 17 13:42:15.032 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.033 INFO [stderr]    |
Dec 17 13:42:15.033 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.033 INFO [stderr] 
Dec 17 13:42:15.033 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.034 INFO [stderr]   --> src/bin/peak_sink.rs:31:9
Dec 17 13:42:15.034 INFO [stderr]    |
Dec 17 13:42:15.034 INFO [stderr] 31 |         write!(stdout, "{}{}", cursor::Restore, peak);
Dec 17 13:42:15.034 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.034 INFO [stderr]    |
Dec 17 13:42:15.034 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.034 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 17 13:42:15.035 INFO [stderr] 
Dec 17 13:42:15.035 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.035 INFO [stderr]   --> src/bin/peak_sink.rs:32:9
Dec 17 13:42:15.035 INFO [stderr]    |
Dec 17 13:42:15.035 INFO [stderr] 32 |         stdout.flush();
Dec 17 13:42:15.036 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 17 13:42:15.036 INFO [stderr]    |
Dec 17 13:42:15.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.037 INFO [stderr] 
Dec 17 13:42:15.044 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.044 INFO [stderr]   --> src/bin/peak_sink.rs:17:5
Dec 17 13:42:15.045 INFO [stderr]    |
Dec 17 13:42:15.045 INFO [stderr] 17 |     write!(stdout, "Peak: {}", cursor::Save);
Dec 17 13:42:15.045 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.046 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.046 INFO [stderr]   --> src/bin/sine_source.rs:13:5
Dec 17 13:42:15.046 INFO [stderr]    |
Dec 17 13:42:15.047 INFO [stderr] 13 |     fevent(fd, EVENT_WRITE);
Dec 17 13:42:15.047 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.047 INFO [stderr]    |
Dec 17 13:42:15.048 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:42:15.048 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.048 INFO [stderr] 
Dec 17 13:42:15.048 INFO [stderr]    |
Dec 17 13:42:15.048 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:42:15.048 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.049 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 17 13:42:15.049 INFO [stderr] 
Dec 17 13:42:15.060 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.061 INFO [stderr]   --> src/bin/peak_sink.rs:18:5
Dec 17 13:42:15.061 INFO [stderr]    |
Dec 17 13:42:15.061 INFO [stderr] 18 |     stdout.flush();
Dec 17 13:42:15.061 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 13:42:15.062 INFO [stderr]    |
Dec 17 13:42:15.062 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.062 INFO [stderr] 
Dec 17 13:42:15.063 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.063 INFO [stderr]   --> src/bin/peak_sink.rs:21:9
Dec 17 13:42:15.063 INFO [stderr]    |
Dec 17 13:42:15.063 INFO [stderr] 21 |         stdin().read(&mut stdin_buf);
Dec 17 13:42:15.064 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.064 INFO [stderr]    |
Dec 17 13:42:15.064 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.065 INFO [stderr] 
Dec 17 13:42:15.065 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.065 INFO [stderr]   --> src/bin/peak_sink.rs:31:9
Dec 17 13:42:15.066 INFO [stderr]    |
Dec 17 13:42:15.066 INFO [stderr] 31 |         write!(stdout, "{}{}", cursor::Restore, peak);
Dec 17 13:42:15.066 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.067 INFO [stderr]    |
Dec 17 13:42:15.067 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.067 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 17 13:42:15.067 INFO [stderr] 
Dec 17 13:42:15.068 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.068 INFO [stderr]   --> src/bin/peak_sink.rs:32:9
Dec 17 13:42:15.072 INFO [stderr]    |
Dec 17 13:42:15.073 INFO [stderr] 32 |         stdout.flush();
Dec 17 13:42:15.073 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 17 13:42:15.073 INFO [stderr]    |
Dec 17 13:42:15.074 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.074 INFO [stderr] 
Dec 17 13:42:15.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:42:15.153 INFO [stderr]   --> src/bin/sine_source.rs:13:5
Dec 17 13:42:15.153 INFO [stderr]    |
Dec 17 13:42:15.153 INFO [stderr] 13 |     fevent(fd, EVENT_WRITE);
Dec 17 13:42:15.154 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:42:15.154 INFO [stderr]    |
Dec 17 13:42:15.154 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:42:15.155 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:42:15.155 INFO [stderr] 
Dec 17 13:42:15.265 INFO [stderr] warning: variable `buf` is assigned to, but never used
Dec 17 13:42:15.265 INFO [stderr]   --> src/buffer.rs:21:13
Dec 17 13:42:15.265 INFO [stderr]    |
Dec 17 13:42:15.265 INFO [stderr] 21 |         let buf;
Dec 17 13:42:15.265 INFO [stderr]    |             ^^^
Dec 17 13:42:15.265 INFO [stderr]    |
Dec 17 13:42:15.265 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:42:15.265 INFO [stderr]    = note: consider using `_buf` instead
Dec 17 13:42:15.265 INFO [stderr] 
Dec 17 13:42:15.265 INFO [stderr] warning: value assigned to `buf` is never read
Dec 17 13:42:15.265 INFO [stderr]   --> src/buffer.rs:26:13
Dec 17 13:42:15.266 INFO [stderr]    |
Dec 17 13:42:15.266 INFO [stderr] 26 |             buf = slice::from_raw_parts_mut(ptr, size);
Dec 17 13:42:15.266 INFO [stderr]    |             ^^^
Dec 17 13:42:15.266 INFO [stderr]    |
Dec 17 13:42:15.266 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 13:42:15.266 INFO [stderr] 
Dec 17 13:42:15.357 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
Dec 17 13:42:16.504 INFO running `"docker" "inspect" "6cb6d8414cef8edaa00173d61cae2e5b6bbdd181a3341cb713bdeba32459005c"`
Dec 17 13:42:16.890 INFO running `"docker" "rm" "-f" "6cb6d8414cef8edaa00173d61cae2e5b6bbdd181a3341cb713bdeba32459005c"`
Dec 17 13:42:17.272 INFO [stdout] 6cb6d8414cef8edaa00173d61cae2e5b6bbdd181a3341cb713bdeba32459005c