Dec 04 16:17:25.359 INFO checking jthornber/lvm-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:17:25.359 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 16:17:25.979 INFO [stdout] f6615ba7fe14487694ff55f50475eb3a90f430c409cbf8ee963fa0af02264344
Dec 04 16:17:25.981 INFO running `"docker" "start" "-a" "f6615ba7fe14487694ff55f50475eb3a90f430c409cbf8ee963fa0af02264344"`
Dec 04 16:17:27.866 INFO [stderr] usermod: no changes
Dec 04 16:17:27.986 INFO [stderr]     Checking yaml-rust v0.3.4
Dec 04 16:17:27.991 INFO [stderr]     Checking nix v0.7.0
Dec 04 16:17:30.000 INFO [stderr]     Checking clap v2.18.0
Dec 04 16:17:35.381 INFO [stderr]     Checking lvm-rust v0.1.0 (/source)
Dec 04 16:17:35.455 INFO [stderr] warning: unknown lint: `used_underscore_binding`
Dec 04 16:17:35.455 INFO [stderr]   --> src/device_mapper/low_level.rs:10:10
Dec 04 16:17:35.455 INFO [stderr]    |
Dec 04 16:17:35.455 INFO [stderr] 10 | #![allow(used_underscore_binding)]
Dec 04 16:17:35.455 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:17:35.455 INFO [stderr]    |
Dec 04 16:17:35.455 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 04 16:17:35.455 INFO [stderr] 
Dec 04 16:17:35.455 INFO [stderr] warning: unknown lint: `if_not_else`
Dec 04 16:17:35.455 INFO [stderr]   --> src/device_mapper/low_level.rs:11:10
Dec 04 16:17:35.455 INFO [stderr]    |
Dec 04 16:17:35.455 INFO [stderr] 11 | #![allow(if_not_else)]
Dec 04 16:17:35.455 INFO [stderr]    |          ^^^^^^^^^^^
Dec 04 16:17:35.455 INFO [stderr] 
Dec 04 16:17:35.503 INFO [stderr] warning: unknown lint: `used_underscore_binding`
Dec 04 16:17:35.503 INFO [stderr]   --> src/device_mapper/low_level.rs:10:10
Dec 04 16:17:35.503 INFO [stderr]    |
Dec 04 16:17:35.503 INFO [stderr] 10 | #![allow(used_underscore_binding)]
Dec 04 16:17:35.503 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:17:35.503 INFO [stderr]    |
Dec 04 16:17:35.503 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 04 16:17:35.503 INFO [stderr] 
Dec 04 16:17:35.503 INFO [stderr] warning: unknown lint: `if_not_else`
Dec 04 16:17:35.503 INFO [stderr]   --> src/device_mapper/low_level.rs:11:10
Dec 04 16:17:35.503 INFO [stderr]    |
Dec 04 16:17:35.503 INFO [stderr] 11 | #![allow(if_not_else)]
Dec 04 16:17:35.503 INFO [stderr]    |          ^^^^^^^^^^^
Dec 04 16:17:35.503 INFO [stderr] 
Dec 04 16:17:36.884 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Dec 04 16:17:36.884 INFO [stderr]    --> src/device_mapper/low_level.rs:499:9
Dec 04 16:17:36.884 INFO [stderr]     |
Dec 04 16:17:36.884 INFO [stderr] 499 |         header.flags.insert(DM_SUSPEND);
Dec 04 16:17:36.884 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 04 16:17:36.884 INFO [stderr]     |
Dec 04 16:17:36.884 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Dec 04 16:17:36.884 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!
Dec 04 16:17:36.884 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Dec 04 16:17:36.891 INFO [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Dec 04 16:17:36.891 INFO [stderr] 
Dec 04 16:17:37.255 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Dec 04 16:17:37.255 INFO [stderr]    --> src/device_mapper/low_level.rs:499:9
Dec 04 16:17:37.255 INFO [stderr]     |
Dec 04 16:17:37.255 INFO [stderr] 499 |         header.flags.insert(DM_SUSPEND);
Dec 04 16:17:37.255 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 04 16:17:37.255 INFO [stderr]     |
Dec 04 16:17:37.255 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Dec 04 16:17:37.255 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!
Dec 04 16:17:37.255 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Dec 04 16:17:37.255 INFO [stderr]     = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
Dec 04 16:17:37.255 INFO [stderr] 
Dec 04 16:17:37.283 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
Dec 04 16:17:37.293 INFO [stderr] su: No module specific data is present
Dec 04 16:17:37.896 INFO running `"docker" "inspect" "f6615ba7fe14487694ff55f50475eb3a90f430c409cbf8ee963fa0af02264344"`
Dec 04 16:17:38.230 INFO running `"docker" "rm" "-f" "f6615ba7fe14487694ff55f50475eb3a90f430c409cbf8ee963fa0af02264344"`
Dec 04 16:17:38.515 INFO [stdout] f6615ba7fe14487694ff55f50475eb3a90f430c409cbf8ee963fa0af02264344