[INFO] crate dev 0.1.0 is already in cache
[INFO] extracting crate dev 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/dev/0.1.0
[INFO] extracting crate dev 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dev/0.1.0
[INFO] validating manifest of dev-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dev-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dev-0.1.0
[INFO] finished frobbing dev-0.1.0
[INFO] frobbed toml for dev-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dev/0.1.0/Cargo.toml
[INFO] started frobbing dev-0.1.0
[INFO] finished frobbing dev-0.1.0
[INFO] frobbed toml for dev-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dev/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dev-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dev/0.1.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0a26e0b5416f93063cf7617b50c6d3d364787be2b6e71f82443e9f48fb1d06e0
[INFO] running `"docker" "start" "-a" "0a26e0b5416f93063cf7617b50c6d3d364787be2b6e71f82443e9f48fb1d06e0"`
[INFO] [stderr]    Compiling err v0.0.8
[INFO] [stderr]    Compiling dev v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | /// Size in bytes
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 34 | ioctl!{bad blkgetsize64 with ior!(0x12, 114, mem::size_of::<size_t>()) }
[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] error: cannot find macro `ioctl!` in this scope
[INFO] [stderr]   --> src/lib.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | ioctl!{bad blkgetsize64 with ior!(0x12, 114, mem::size_of::<size_t>()) }
[INFO] [stderr]    | ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `ioctl!` in this scope
[INFO] [stderr]   --> src/lib.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | ioctl!{none blkpbszget with 0x12, 123}
[INFO] [stderr]    | ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `blkgetsize64` in this scope
[INFO] [stderr]   --> src/lib.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |         try!(nix_to_io(blkgetsize64(fd.as_raw_fd(), mem::transmute(&mut r))));
[INFO] [stderr]    |                        ^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `blkpbszget` in this scope
[INFO] [stderr]   --> src/lib.rs:46:19
[INFO] [stderr]    |
[INFO] [stderr] 46 |         nix_to_io(blkpbszget(fd.as_raw_fd()))
[INFO] [stderr]    |                   ^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `size_t`
[INFO] [stderr]   --> src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | use libc::{size_t, c_int};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:35:27
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn blockdev_size(fd: &AsRawFd) -> io::Result<u64> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn blockdev_phys_block_size(fd: &AsRawFd) -> io::Result<c_int> {
[INFO] [stderr]    |                                      ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | / macro_rules! try_or {
[INFO] [stderr] 58 | |     ($try:expr, $or:expr) => (
[INFO] [stderr] 59 | |         let t = $try;
[INFO] [stderr] 60 | |         match t {
[INFO] [stderr] ...  |
[INFO] [stderr] 64 | |     )
[INFO] [stderr] 65 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `dev`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0a26e0b5416f93063cf7617b50c6d3d364787be2b6e71f82443e9f48fb1d06e0"`
[INFO] running `"docker" "rm" "-f" "0a26e0b5416f93063cf7617b50c6d3d364787be2b6e71f82443e9f48fb1d06e0"`
[INFO] [stdout] 0a26e0b5416f93063cf7617b50c6d3d364787be2b6e71f82443e9f48fb1d06e0