Oct 12 19:26:49.651 INFO checking jthornber/lvm-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:26:49.653 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 19:26:50.170 INFO blam! ed6c19442e33b4fd27c63e0022880fc4da2d802495632d490afcebbb09e89a99
Oct 12 19:26:50.172 INFO running `"docker" "start" "-a" "ed6c19442e33b4fd27c63e0022880fc4da2d802495632d490afcebbb09e89a99"`
Oct 12 19:26:51.872 INFO kablam! usermod: no changes
Oct 12 19:26:52.129 INFO kablam!     Checking yaml-rust v0.3.4
Oct 12 19:26:53.360 INFO kablam!     Checking clap v2.18.0
Oct 12 19:26:58.617 INFO kablam!     Checking lvm-rust v0.1.0 (/source)
Oct 12 19:26:58.768 INFO kablam! warning: unknown lint: `used_underscore_binding`
Oct 12 19:26:58.768 INFO kablam!   --> src/device_mapper/low_level.rs:10:10
Oct 12 19:26:58.768 INFO kablam!    |
Oct 12 19:26:58.768 INFO kablam! 10 | #![allow(used_underscore_binding)]
Oct 12 19:26:58.768 INFO kablam!    |          ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:26:58.768 INFO kablam!    |
Oct 12 19:26:58.768 INFO kablam!    = note: #[warn(unknown_lints)] on by default
Oct 12 19:26:58.768 INFO kablam! 
Oct 12 19:26:58.768 INFO kablam! warning: unknown lint: `if_not_else`
Oct 12 19:26:58.768 INFO kablam!   --> src/device_mapper/low_level.rs:11:10
Oct 12 19:26:58.768 INFO kablam!    |
Oct 12 19:26:58.768 INFO kablam! 11 | #![allow(if_not_else)]
Oct 12 19:26:58.768 INFO kablam!    |          ^^^^^^^^^^^
Oct 12 19:26:58.768 INFO kablam! 
Oct 12 19:26:58.820 INFO kablam! warning: unknown lint: `used_underscore_binding`
Oct 12 19:26:58.820 INFO kablam!   --> src/device_mapper/low_level.rs:10:10
Oct 12 19:26:58.820 INFO kablam!    |
Oct 12 19:26:58.820 INFO kablam! 10 | #![allow(used_underscore_binding)]
Oct 12 19:26:58.820 INFO kablam!    |          ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:26:58.820 INFO kablam!    |
Oct 12 19:26:58.820 INFO kablam!    = note: #[warn(unknown_lints)] on by default
Oct 12 19:26:58.820 INFO kablam! 
Oct 12 19:26:58.820 INFO kablam! warning: unknown lint: `if_not_else`
Oct 12 19:26:58.820 INFO kablam!   --> src/device_mapper/low_level.rs:11:10
Oct 12 19:26:58.820 INFO kablam!    |
Oct 12 19:26:58.820 INFO kablam! 11 | #![allow(if_not_else)]
Oct 12 19:26:58.820 INFO kablam!    |          ^^^^^^^^^^^
Oct 12 19:26:58.820 INFO kablam! 
Oct 12 19:27:01.080 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Oct 12 19:27:01.081 INFO kablam!    --> src/device_mapper/low_level.rs:499:9
Oct 12 19:27:01.082 INFO kablam!     |
Oct 12 19:27:01.083 INFO kablam! 499 |         header.flags.insert(DM_SUSPEND);
Oct 12 19:27:01.083 INFO kablam!     |         ^^^^^^^^^^^^
Oct 12 19:27:01.084 INFO kablam!     |
Oct 12 19:27:01.084 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Oct 12 19:27:01.088 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 12 19:27:01.088 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Oct 12 19:27:01.088 INFO kablam!     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Oct 12 19:27:01.088 INFO kablam! 
Oct 12 19:27:01.236 INFO kablam! warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Oct 12 19:27:01.236 INFO kablam!    --> src/device_mapper/low_level.rs:499:9
Oct 12 19:27:01.236 INFO kablam!     |
Oct 12 19:27:01.236 INFO kablam! 499 |         header.flags.insert(DM_SUSPEND);
Oct 12 19:27:01.236 INFO kablam!     |         ^^^^^^^^^^^^
Oct 12 19:27:01.236 INFO kablam!     |
Oct 12 19:27:01.236 INFO kablam!     = note: #[warn(safe_packed_borrows)] on by default
Oct 12 19:27:01.236 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Oct 12 19:27:01.236 INFO kablam!     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Oct 12 19:27:01.236 INFO kablam!     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Oct 12 19:27:01.236 INFO kablam! 
Oct 12 19:27:01.272 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
Oct 12 19:27:01.278 INFO kablam! su: No module specific data is present
Oct 12 19:27:02.124 INFO running `"docker" "rm" "-f" "ed6c19442e33b4fd27c63e0022880fc4da2d802495632d490afcebbb09e89a99"`
Oct 12 19:27:02.400 INFO blam! ed6c19442e33b4fd27c63e0022880fc4da2d802495632d490afcebbb09e89a99