Nov 28 02:59:00.150 INFO checking jthornber/lvm-rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 02:59:00.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 02:59:00.609 INFO [stdout] 4f402f6c9b7e1bab91d29ef3783bc9d104c8505403e463a05e855a059c3037af
Nov 28 02:59:00.612 INFO running `"docker" "start" "-a" "4f402f6c9b7e1bab91d29ef3783bc9d104c8505403e463a05e855a059c3037af"`
Nov 28 02:59:02.084 INFO [stderr] usermod: no changes
Nov 28 02:59:02.322 INFO [stderr]     Checking yaml-rust v0.3.4
Nov 28 02:59:03.514 INFO [stderr]     Checking clap v2.18.0
Nov 28 02:59:09.376 INFO [stderr]     Checking lvm-rust v0.1.0 (/source)
Nov 28 02:59:09.482 INFO [stderr] warning: unknown lint: `used_underscore_binding`
Nov 28 02:59:09.483 INFO [stderr]   --> src/device_mapper/low_level.rs:10:10
Nov 28 02:59:09.483 INFO [stderr]    |
Nov 28 02:59:09.483 INFO [stderr] 10 | #![allow(used_underscore_binding)]
Nov 28 02:59:09.484 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:59:09.484 INFO [stderr]    |
Nov 28 02:59:09.485 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Nov 28 02:59:09.485 INFO [stderr] 
Nov 28 02:59:09.485 INFO [stderr] warning: unknown lint: `if_not_else`
Nov 28 02:59:09.486 INFO [stderr]   --> src/device_mapper/low_level.rs:11:10
Nov 28 02:59:09.486 INFO [stderr]    |
Nov 28 02:59:09.486 INFO [stderr] 11 | #![allow(if_not_else)]
Nov 28 02:59:09.486 INFO [stderr]    |          ^^^^^^^^^^^
Nov 28 02:59:09.489 INFO [stderr] 
Nov 28 02:59:09.508 INFO [stderr] warning: unknown lint: `used_underscore_binding`
Nov 28 02:59:09.508 INFO [stderr]   --> src/device_mapper/low_level.rs:10:10
Nov 28 02:59:09.508 INFO [stderr]    |
Nov 28 02:59:09.508 INFO [stderr] 10 | #![allow(used_underscore_binding)]
Nov 28 02:59:09.508 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:59:09.508 INFO [stderr]    |
Nov 28 02:59:09.508 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Nov 28 02:59:09.508 INFO [stderr] 
Nov 28 02:59:09.508 INFO [stderr] warning: unknown lint: `if_not_else`
Nov 28 02:59:09.508 INFO [stderr]   --> src/device_mapper/low_level.rs:11:10
Nov 28 02:59:09.508 INFO [stderr]    |
Nov 28 02:59:09.508 INFO [stderr] 11 | #![allow(if_not_else)]
Nov 28 02:59:09.508 INFO [stderr]    |          ^^^^^^^^^^^
Nov 28 02:59:09.508 INFO [stderr] 
Nov 28 02:59:10.983 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Nov 28 02:59:10.984 INFO [stderr]    --> src/device_mapper/low_level.rs:499:9
Nov 28 02:59:10.984 INFO [stderr]     |
Nov 28 02:59:10.985 INFO [stderr] 499 |         header.flags.insert(DM_SUSPEND);
Nov 28 02:59:10.985 INFO [stderr]     |         ^^^^^^^^^^^^
Nov 28 02:59:10.985 INFO [stderr]     |
Nov 28 02:59:10.988 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Nov 28 02:59:10.989 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 28 02:59:10.989 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Nov 28 02:59:10.989 INFO [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Nov 28 02:59:10.989 INFO [stderr] 
Nov 28 02:59:11.155 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Nov 28 02:59:11.155 INFO [stderr]    --> src/device_mapper/low_level.rs:499:9
Nov 28 02:59:11.156 INFO [stderr]     |
Nov 28 02:59:11.156 INFO [stderr] 499 |         header.flags.insert(DM_SUSPEND);
Nov 28 02:59:11.156 INFO [stderr]     |         ^^^^^^^^^^^^
Nov 28 02:59:11.157 INFO [stderr]     |
Nov 28 02:59:11.157 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Nov 28 02:59:11.157 INFO [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Nov 28 02:59:11.158 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Nov 28 02:59:11.158 INFO [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Nov 28 02:59:11.158 INFO [stderr] 
Nov 28 02:59:11.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
Nov 28 02:59:11.209 INFO [stderr] su: No module specific data is present
Nov 28 02:59:12.191 INFO running `"docker" "inspect" "4f402f6c9b7e1bab91d29ef3783bc9d104c8505403e463a05e855a059c3037af"`
Nov 28 02:59:12.542 INFO running `"docker" "rm" "-f" "4f402f6c9b7e1bab91d29ef3783bc9d104c8505403e463a05e855a059c3037af"`
Nov 28 02:59:12.965 INFO [stdout] 4f402f6c9b7e1bab91d29ef3783bc9d104c8505403e463a05e855a059c3037af