Dec 19 08:56:21.398 INFO checking shenki/rust-memboot against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:56:21.398 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/shenki/rust-memboot:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:56:21.952 INFO [stdout] 7d91edfe552dd1b60d16a5cabe67f72135459099b41bc807fd8f3a8d1d610e9c
Dec 19 08:56:21.960 INFO running `"docker" "start" "-a" "7d91edfe552dd1b60d16a5cabe67f72135459099b41bc807fd8f3a8d1d610e9c"`
Dec 19 08:56:23.405 INFO [stderr]     Checking nix v0.10.0
Dec 19 08:56:29.256 INFO [stderr]     Checking memboot v0.1.0 (/opt/crater/workdir)
Dec 19 08:56:29.508 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:56:29.508 INFO [stderr]    --> src/main.rs:123:5
Dec 19 08:56:29.508 INFO [stderr]     |
Dec 19 08:56:29.508 INFO [stderr] 123 |     set_mem_mapping(device.as_raw_fd(), 0x10000, 0x1000);
Dec 19 08:56:29.508 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:56:29.508 INFO [stderr]     |
Dec 19 08:56:29.508 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 08:56:29.508 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:56:29.508 INFO [stderr] 
Dec 19 08:56:29.640 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:56:29.640 INFO [stderr]    --> src/main.rs:123:5
Dec 19 08:56:29.640 INFO [stderr]     |
Dec 19 08:56:29.640 INFO [stderr] 123 |     set_mem_mapping(device.as_raw_fd(), 0x10000, 0x1000);
Dec 19 08:56:29.640 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:56:29.640 INFO [stderr]     |
Dec 19 08:56:29.640 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 08:56:29.640 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:56:29.640 INFO [stderr] 
Dec 19 08:56:29.673 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
Dec 19 08:56:30.150 INFO running `"docker" "inspect" "7d91edfe552dd1b60d16a5cabe67f72135459099b41bc807fd8f3a8d1d610e9c"`
Dec 19 08:56:30.442 INFO running `"docker" "rm" "-f" "7d91edfe552dd1b60d16a5cabe67f72135459099b41bc807fd8f3a8d1d610e9c"`
Dec 19 08:56:30.751 INFO [stdout] 7d91edfe552dd1b60d16a5cabe67f72135459099b41bc807fd8f3a8d1d610e9c