[INFO] crate devicemapper 0.26.1 is already in cache
[INFO] extracting crate devicemapper 0.26.1 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/devicemapper/0.26.1
[INFO] extracting crate devicemapper 0.26.1 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/devicemapper/0.26.1
[INFO] validating manifest of devicemapper-0.26.1 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of devicemapper-0.26.1 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing devicemapper-0.26.1
[INFO] finished frobbing devicemapper-0.26.1
[INFO] frobbed toml for devicemapper-0.26.1 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/devicemapper/0.26.1/Cargo.toml
[INFO] started frobbing devicemapper-0.26.1
[INFO] finished frobbing devicemapper-0.26.1
[INFO] frobbed toml for devicemapper-0.26.1 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/devicemapper/0.26.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking devicemapper-0.26.1 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/devicemapper/0.26.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 53c2ef59030f633e75b675008bc461691f0fb1edfd098629968725304d91f8f2
[INFO] running `"docker" "start" "-a" "53c2ef59030f633e75b675008bc461691f0fb1edfd098629968725304d91f8f2"`
[INFO] [stderr]     Checking loopdev v0.2.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking devicemapper v0.26.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:439:1
[INFO] [stderr]     |
[INFO] [stderr] 439 | / /// A devicemapper name. Really just a string, but also the argument type of
[INFO] [stderr] 440 | | /// DevId::Name. Used in function arguments to indicate that the function
[INFO] [stderr] 441 | | /// takes only a name, not a devicemapper uuid.
[INFO] [stderr]     | |_______________________________________________^
[INFO] [stderr] 442 |   str_id!(DmName, DmNameBuf, DM_NAME_LEN, str_check);
[INFO] [stderr]     |   --------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:444:1
[INFO] [stderr]     |
[INFO] [stderr] 444 | / /// A devicemapper uuid. A devicemapper uuid has a devicemapper-specific
[INFO] [stderr] 445 | | /// format.
[INFO] [stderr]     | |___________^
[INFO] [stderr] 446 |   str_id!(DmUuid, DmUuidBuf, DM_UUID_LEN, str_check);
[INFO] [stderr]     |   --------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:439:1
[INFO] [stderr]     |
[INFO] [stderr] 439 | / /// A devicemapper name. Really just a string, but also the argument type of
[INFO] [stderr] 440 | | /// DevId::Name. Used in function arguments to indicate that the function
[INFO] [stderr] 441 | | /// takes only a name, not a devicemapper uuid.
[INFO] [stderr]     | |_______________________________________________^
[INFO] [stderr] 442 |   str_id!(DmName, DmNameBuf, DM_NAME_LEN, str_check);
[INFO] [stderr]     |   --------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:444:1
[INFO] [stderr]     |
[INFO] [stderr] 444 | / /// A devicemapper uuid. A devicemapper uuid has a devicemapper-specific
[INFO] [stderr] 445 | | /// format.
[INFO] [stderr]     | |___________^
[INFO] [stderr] 446 |   str_id!(DmUuid, DmUuidBuf, DM_UUID_LEN, str_check);
[INFO] [stderr]     |   --------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/loopbacked.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | /// send IOCTL via blkgetsize64
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 20 | ioctl_read!(blkgetsize64, 0x12, 114, u64);
[INFO] [stderr]    | ------------------------------------------ rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/dm.rs:582:50
[INFO] [stderr]     |
[INFO] [stderr] 582 |                     String::from_utf8_lossy(slc).trim_right().to_owned()
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/dm.rs:582:50
[INFO] [stderr]     |
[INFO] [stderr] 582 |                     String::from_utf8_lossy(slc).trim_right().to_owned()
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/test_lib.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 | /     error_chain!{
[INFO] [stderr] 104 | |         foreign_links {
[INFO] [stderr] 105 | |             Ioe(std::io::Error);
[INFO] [stderr] 106 | |             Mnt(libmount::mountinfo::ParseError);
[INFO] [stderr] 107 | |             Nix(nix::Error);
[INFO] [stderr] 108 | |         }
[INFO] [stderr] 109 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `"docker" "inspect" "53c2ef59030f633e75b675008bc461691f0fb1edfd098629968725304d91f8f2"`
[INFO] running `"docker" "rm" "-f" "53c2ef59030f633e75b675008bc461691f0fb1edfd098629968725304d91f8f2"`
[INFO] [stdout] 53c2ef59030f633e75b675008bc461691f0fb1edfd098629968725304d91f8f2