Dec 18 17:05:49.038 INFO checking devicemapper-0.26.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:05:49.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/devicemapper/0.26.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:05:49.484 INFO [stdout] 744f9c439e8be8651009d0b4dad16ee46f1cbc73f7ac1e2eb272da67cb9430a5
Dec 18 17:05:49.490 INFO running `"docker" "start" "-a" "744f9c439e8be8651009d0b4dad16ee46f1cbc73f7ac1e2eb272da67cb9430a5"`
Dec 18 17:05:51.359 INFO [stderr]     Checking libmount v0.1.11
Dec 18 17:05:51.367 INFO [stderr]     Checking devicemapper v0.26.1 (/opt/crater/workdir)
Dec 18 17:05:53.269 INFO [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 17:05:53.269 INFO [stderr]    --> src/dm.rs:582:50
Dec 18 17:05:53.269 INFO [stderr]     |
Dec 18 17:05:53.269 INFO [stderr] 582 |                     String::from_utf8_lossy(slc).trim_right().to_owned()
Dec 18 17:05:53.269 INFO [stderr]     |                                                  ^^^^^^^^^^
Dec 18 17:05:53.269 INFO [stderr]     |
Dec 18 17:05:53.269 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 17:05:53.269 INFO [stderr] 
Dec 18 17:05:55.540 INFO [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 17:05:55.540 INFO [stderr]    --> src/dm.rs:582:50
Dec 18 17:05:55.540 INFO [stderr]     |
Dec 18 17:05:55.540 INFO [stderr] 582 |                     String::from_utf8_lossy(slc).trim_right().to_owned()
Dec 18 17:05:55.540 INFO [stderr]     |                                                  ^^^^^^^^^^
Dec 18 17:05:55.540 INFO [stderr]     |
Dec 18 17:05:55.540 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 17:05:55.540 INFO [stderr] 
Dec 18 17:05:55.959 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 17:05:55.959 INFO [stderr]    --> src/test_lib.rs:103:5
Dec 18 17:05:55.959 INFO [stderr]     |
Dec 18 17:05:55.959 INFO [stderr] 103 | /     error_chain!{
Dec 18 17:05:55.959 INFO [stderr] 104 | |         foreign_links {
Dec 18 17:05:55.959 INFO [stderr] 105 | |             Ioe(std::io::Error);
Dec 18 17:05:55.959 INFO [stderr] 106 | |             Mnt(libmount::mountinfo::ParseError);
Dec 18 17:05:55.959 INFO [stderr] 107 | |             Nix(nix::Error);
Dec 18 17:05:55.959 INFO [stderr] 108 | |         }
Dec 18 17:05:55.959 INFO [stderr] 109 | |     }
Dec 18 17:05:55.959 INFO [stderr]     | |_____^
Dec 18 17:05:55.959 INFO [stderr]     |
Dec 18 17:05:55.959 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 18 17:05:55.959 INFO [stderr] 
Dec 18 17:05:56.940 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
Dec 18 17:05:57.650 INFO running `"docker" "inspect" "744f9c439e8be8651009d0b4dad16ee46f1cbc73f7ac1e2eb272da67cb9430a5"`
Dec 18 17:05:57.926 INFO running `"docker" "rm" "-f" "744f9c439e8be8651009d0b4dad16ee46f1cbc73f7ac1e2eb272da67cb9430a5"`
Dec 18 17:05:58.192 INFO [stdout] 744f9c439e8be8651009d0b4dad16ee46f1cbc73f7ac1e2eb272da67cb9430a5