Dec 19 17:16:06.141 INFO checking ernestrc/rux against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:16:06.141 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ernestrc/rux:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:16:06.640 INFO [stdout] b94f6dc6946274ead7da84a7053dbb1a9a89f6fe3e8dc0c95a7681767b189c5c
Dec 19 17:16:06.667 INFO running `"docker" "start" "-a" "b94f6dc6946274ead7da84a7053dbb1a9a89f6fe3e8dc0c95a7681767b189c5c"`
Dec 19 17:16:09.176 INFO [stderr]     Checking pad v0.1.4
Dec 19 17:16:09.176 INFO [stderr]    Compiling nix v0.7.0
Dec 19 17:16:09.176 INFO [stderr]     Checking error-chain v0.7.1
Dec 19 17:16:09.176 INFO [stderr]     Checking env_logger v0.3.5
Dec 19 17:16:14.113 INFO [stderr]     Checking rux v0.1.0 (/opt/crater/workdir)
Dec 19 17:16:14.796 INFO [stderr] warning: unused import: `super::*`
Dec 19 17:16:14.796 INFO [stderr]    --> src/mux/handler.rs:150:7
Dec 19 17:16:14.796 INFO [stderr]     |
Dec 19 17:16:14.796 INFO [stderr] 150 |   use super::*;
Dec 19 17:16:14.796 INFO [stderr]     |       ^^^^^^^^
Dec 19 17:16:14.796 INFO [stderr]     |
Dec 19 17:16:14.796 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 19 17:16:14.796 INFO [stderr] 
Dec 19 17:16:15.120 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 17:16:15.120 INFO [stderr]   --> src/error.rs:4:1
Dec 19 17:16:15.120 INFO [stderr]    |
Dec 19 17:16:15.120 INFO [stderr] 4  | / error_chain! {
Dec 19 17:16:15.120 INFO [stderr] 5  | |     types {
Dec 19 17:16:15.120 INFO [stderr] 6  | |         Error, ErrorKind, ResultExt, Result;
Dec 19 17:16:15.120 INFO [stderr] 7  | |     }
Dec 19 17:16:15.120 INFO [stderr] ...  |
Dec 19 17:16:15.120 INFO [stderr] 24 | |     }
Dec 19 17:16:15.120 INFO [stderr] 25 | | }
Dec 19 17:16:15.121 INFO [stderr]    | |_^
Dec 19 17:16:15.121 INFO [stderr]    |
Dec 19 17:16:15.121 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 17:16:15.121 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 17:16:15.121 INFO [stderr] 
Dec 19 17:16:15.121 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 17:16:15.121 INFO [stderr]   --> src/error.rs:4:1
Dec 19 17:16:15.121 INFO [stderr]    |
Dec 19 17:16:15.121 INFO [stderr] 4  | / error_chain! {
Dec 19 17:16:15.121 INFO [stderr] 5  | |     types {
Dec 19 17:16:15.121 INFO [stderr] 6  | |         Error, ErrorKind, ResultExt, Result;
Dec 19 17:16:15.121 INFO [stderr] 7  | |     }
Dec 19 17:16:15.121 INFO [stderr] ...  |
Dec 19 17:16:15.121 INFO [stderr] 24 | |     }
Dec 19 17:16:15.121 INFO [stderr] 25 | | }
Dec 19 17:16:15.121 INFO [stderr]    | |_^
Dec 19 17:16:15.121 INFO [stderr]    |
Dec 19 17:16:15.121 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 17:16:15.121 INFO [stderr] 
Dec 19 17:16:15.241 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 17:16:15.241 INFO [stderr]   --> src/error.rs:4:1
Dec 19 17:16:15.241 INFO [stderr]    |
Dec 19 17:16:15.241 INFO [stderr] 4  | / error_chain! {
Dec 19 17:16:15.241 INFO [stderr] 5  | |     types {
Dec 19 17:16:15.241 INFO [stderr] 6  | |         Error, ErrorKind, ResultExt, Result;
Dec 19 17:16:15.241 INFO [stderr] 7  | |     }
Dec 19 17:16:15.241 INFO [stderr] ...  |
Dec 19 17:16:15.241 INFO [stderr] 24 | |     }
Dec 19 17:16:15.241 INFO [stderr] 25 | | }
Dec 19 17:16:15.241 INFO [stderr]    | |_^
Dec 19 17:16:15.241 INFO [stderr]    |
Dec 19 17:16:15.242 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 17:16:15.242 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 17:16:15.242 INFO [stderr] 
Dec 19 17:16:15.243 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 17:16:15.243 INFO [stderr]   --> src/error.rs:4:1
Dec 19 17:16:15.243 INFO [stderr]    |
Dec 19 17:16:15.243 INFO [stderr] 4  | / error_chain! {
Dec 19 17:16:15.243 INFO [stderr] 5  | |     types {
Dec 19 17:16:15.243 INFO [stderr] 6  | |         Error, ErrorKind, ResultExt, Result;
Dec 19 17:16:15.243 INFO [stderr] 7  | |     }
Dec 19 17:16:15.243 INFO [stderr] ...  |
Dec 19 17:16:15.243 INFO [stderr] 24 | |     }
Dec 19 17:16:15.243 INFO [stderr] 25 | | }
Dec 19 17:16:15.243 INFO [stderr]    | |_^
Dec 19 17:16:15.243 INFO [stderr]    |
Dec 19 17:16:15.243 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 17:16:15.244 INFO [stderr] 
Dec 19 17:16:15.320 INFO [stderr] warning: unused variable: `buffer`
Dec 19 17:16:15.320 INFO [stderr]    --> src/buf/tests.rs:268:18
Dec 19 17:16:15.320 INFO [stderr]     |
Dec 19 17:16:15.320 INFO [stderr] 268 |   fn from_buffer(buffer: &mut ByteBuffer) -> Result<Option<MyType>> {
Dec 19 17:16:15.320 INFO [stderr]     |                  ^^^^^^ help: consider using `_buffer` instead
Dec 19 17:16:15.320 INFO [stderr]     |
Dec 19 17:16:15.320 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:16:15.320 INFO [stderr] 
Dec 19 17:16:15.578 INFO [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
Dec 19 17:16:15.578 INFO [stderr]    --> src/epoll/mod.rs:215:13
Dec 19 17:16:15.578 INFO [stderr]     |
Dec 19 17:16:15.578 INFO [stderr] 215 |     assert!(ev.events.contains(EPOLLIN));
Dec 19 17:16:15.578 INFO [stderr]     |             ^^^^^^^^^
Dec 19 17:16:15.579 INFO [stderr]     |
Dec 19 17:16:15.579 INFO [stderr]     = note: #[warn(safe_packed_borrows)] on by default
Dec 19 17:16:15.579 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 19 17:16:15.579 INFO [stderr]     = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
Dec 19 17:16:15.579 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 19 17:16:15.580 INFO [stderr] 
Dec 19 17:16:16.258 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.25s
Dec 19 17:16:16.930 INFO running `"docker" "inspect" "b94f6dc6946274ead7da84a7053dbb1a9a89f6fe3e8dc0c95a7681767b189c5c"`
Dec 19 17:16:17.206 INFO running `"docker" "rm" "-f" "b94f6dc6946274ead7da84a7053dbb1a9a89f6fe3e8dc0c95a7681767b189c5c"`
Dec 19 17:16:17.534 INFO [stdout] b94f6dc6946274ead7da84a7053dbb1a9a89f6fe3e8dc0c95a7681767b189c5c