Oct 12 13:53:37.731 INFO checking shenki/rust-memboot against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:53:37.732 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 13:53:37.916 INFO blam! ecb90a5e8888ae3d19a445c31d3cb3207fec2288583bfd2918c021d0af88cf56
Oct 12 13:53:37.932 INFO running `"docker" "start" "-a" "ecb90a5e8888ae3d19a445c31d3cb3207fec2288583bfd2918c021d0af88cf56"`
Oct 12 13:53:38.450 INFO kablam! usermod: no changes
Oct 12 13:53:38.493 INFO kablam!     Checking iovec v0.1.2
Oct 12 13:53:38.759 INFO kablam!     Checking bytes v0.4.6
Oct 12 13:53:39.405 INFO kablam!     Checking nix v0.10.0
Oct 12 13:53:44.685 INFO kablam!     Checking memboot v0.1.0 (/source)
Oct 12 13:53:45.064 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:53:45.064 INFO kablam!    --> src/main.rs:123:5
Oct 12 13:53:45.064 INFO kablam!     |
Oct 12 13:53:45.064 INFO kablam! 123 |     set_mem_mapping(device.as_raw_fd(), 0x10000, 0x1000);
Oct 12 13:53:45.064 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:53:45.064 INFO kablam!     |
Oct 12 13:53:45.064 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 13:53:45.064 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:53:45.064 INFO kablam! 
Oct 12 13:53:45.096 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:53:45.096 INFO kablam!    --> src/main.rs:123:5
Oct 12 13:53:45.096 INFO kablam!     |
Oct 12 13:53:45.096 INFO kablam! 123 |     set_mem_mapping(device.as_raw_fd(), 0x10000, 0x1000);
Oct 12 13:53:45.096 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:53:45.096 INFO kablam!     |
Oct 12 13:53:45.096 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 13:53:45.096 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:53:45.096 INFO kablam! 
Oct 12 13:53:45.128 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
Oct 12 13:53:45.128 INFO kablam! su: No module specific data is present
Oct 12 13:53:45.550 INFO running `"docker" "rm" "-f" "ecb90a5e8888ae3d19a445c31d3cb3207fec2288583bfd2918c021d0af88cf56"`
Oct 12 13:53:45.796 INFO blam! ecb90a5e8888ae3d19a445c31d3cb3207fec2288583bfd2918c021d0af88cf56