Dec 11 16:00:06.203 INFO checking jthornber/lvm-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:00:06.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 16:00:06.604 INFO [stdout] 44af74dbd7e155b9da73c3af5f30c33a2022a90e310b1e72fd039f992ad01b13
Dec 11 16:00:06.610 INFO running `"docker" "start" "-a" "44af74dbd7e155b9da73c3af5f30c33a2022a90e310b1e72fd039f992ad01b13"`
Dec 11 16:00:07.940 INFO [stderr] usermod: no changes
Dec 11 16:00:08.128 INFO [stderr]     Checking yaml-rust v0.3.4
Dec 11 16:00:08.128 INFO [stderr]     Checking nix v0.7.0
Dec 11 16:00:09.568 INFO [stderr]     Checking clap v2.18.0
Dec 11 16:00:15.372 INFO [stderr]     Checking lvm-rust v0.1.0 (/source)
Dec 11 16:00:15.428 INFO [stderr] warning: unknown lint: `used_underscore_binding`
Dec 11 16:00:15.428 INFO [stderr]   --> src/device_mapper/low_level.rs:10:10
Dec 11 16:00:15.428 INFO [stderr]    |
Dec 11 16:00:15.428 INFO [stderr] 10 | #![allow(used_underscore_binding)]
Dec 11 16:00:15.428 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:00:15.428 INFO [stderr]    |
Dec 11 16:00:15.428 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 11 16:00:15.428 INFO [stderr] 
Dec 11 16:00:15.428 INFO [stderr] warning: unknown lint: `if_not_else`
Dec 11 16:00:15.428 INFO [stderr]   --> src/device_mapper/low_level.rs:11:10
Dec 11 16:00:15.428 INFO [stderr]    |
Dec 11 16:00:15.432 INFO [stderr] 11 | #![allow(if_not_else)]
Dec 11 16:00:15.432 INFO [stderr]    |          ^^^^^^^^^^^
Dec 11 16:00:15.432 INFO [stderr] 
Dec 11 16:00:15.492 INFO [stderr] warning: unknown lint: `used_underscore_binding`
Dec 11 16:00:15.492 INFO [stderr]   --> src/device_mapper/low_level.rs:10:10
Dec 11 16:00:15.492 INFO [stderr]    |
Dec 11 16:00:15.492 INFO [stderr] 10 | #![allow(used_underscore_binding)]
Dec 11 16:00:15.492 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:00:15.492 INFO [stderr]    |
Dec 11 16:00:15.492 INFO [stderr]    = note: #[warn(unknown_lints)] on by default
Dec 11 16:00:15.492 INFO [stderr] 
Dec 11 16:00:15.492 INFO [stderr] warning: unknown lint: `if_not_else`
Dec 11 16:00:15.492 INFO [stderr]   --> src/device_mapper/low_level.rs:11:10
Dec 11 16:00:15.492 INFO [stderr]    |
Dec 11 16:00:15.492 INFO [stderr] 11 | #![allow(if_not_else)]
Dec 11 16:00:15.492 INFO [stderr]    |          ^^^^^^^^^^^
Dec 11 16:00:15.492 INFO [stderr] 
Dec 11 16:00:16.996 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Dec 11 16:00:16.996 INFO [stderr]    --> src/device_mapper/low_level.rs:499:9
Dec 11 16:00:16.996 INFO [stderr]     |
Dec 11 16:00:16.996 INFO [stderr] 499 |         header.flags.insert(DM_SUSPEND);
Dec 11 16:00:16.996 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 11 16:00:16.996 INFO [stderr]     |
Dec 11 16:00:16.996 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Dec 11 16:00:16.996 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 11 16:00:16.996 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Dec 11 16:00:16.996 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 11 16:00:16.996 INFO [stderr] 
Dec 11 16:00:17.192 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Dec 11 16:00:17.192 INFO [stderr]    --> src/device_mapper/low_level.rs:499:9
Dec 11 16:00:17.192 INFO [stderr]     |
Dec 11 16:00:17.192 INFO [stderr] 499 |         header.flags.insert(DM_SUSPEND);
Dec 11 16:00:17.192 INFO [stderr]     |         ^^^^^^^^^^^^
Dec 11 16:00:17.192 INFO [stderr]     |
Dec 11 16:00:17.192 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Dec 11 16:00:17.192 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 11 16:00:17.192 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Dec 11 16:00:17.192 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 11 16:00:17.192 INFO [stderr] 
Dec 11 16:00:17.238 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
Dec 11 16:00:17.244 INFO [stderr] su: No module specific data is present
Dec 11 16:00:18.176 INFO running `"docker" "inspect" "44af74dbd7e155b9da73c3af5f30c33a2022a90e310b1e72fd039f992ad01b13"`
Dec 11 16:00:18.483 INFO running `"docker" "rm" "-f" "44af74dbd7e155b9da73c3af5f30c33a2022a90e310b1e72fd039f992ad01b13"`
Dec 11 16:00:18.748 INFO [stdout] 44af74dbd7e155b9da73c3af5f30c33a2022a90e310b1e72fd039f992ad01b13