[INFO] crate barnacl 0.1.1 is already in cache
[INFO] extracting crate barnacl 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/barnacl/0.1.1
[INFO] extracting crate barnacl 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/barnacl/0.1.1
[INFO] validating manifest of barnacl-0.1.1 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 barnacl-0.1.1 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 barnacl-0.1.1
[INFO] removed path dependency barnacl_sys from barnacl-0.1.1
[INFO] finished frobbing barnacl-0.1.1
[INFO] frobbed toml for barnacl-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/barnacl/0.1.1/Cargo.toml
[INFO] started frobbing barnacl-0.1.1
[INFO] removed path dependency barnacl_sys from barnacl-0.1.1
[INFO] finished frobbing barnacl-0.1.1
[INFO] frobbed toml for barnacl-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/barnacl/0.1.1/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 barnacl-0.1.1 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/barnacl/0.1.1:/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=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] 46c5d38dc99967f4a76dbbab317d6b2754173a7ebb31484ccf277d2283859565
[INFO] running `"docker" "start" "-a" "46c5d38dc99967f4a76dbbab317d6b2754173a7ebb31484ccf277d2283859565"`
[INFO] [stderr]    Compiling barnacl_sys v0.1.1
[INFO] [stderr]    Compiling barnacl v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/marshal.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for _ in (0..padbefore) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/crypto/verify.rs:64:52
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ffi::sodium_memcmp(x.as_ptr(), y.as_ptr(), x.len() as c_ulong) == 0
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^ expected usize, found u64
[INFO] [stderr] help: you can convert an `u64` to `usize` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 64 |         ffi::sodium_memcmp(x.as_ptr(), y.as_ptr(), (x.len() as c_ulong).try_into().unwrap()) == 0
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `barnacl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "46c5d38dc99967f4a76dbbab317d6b2754173a7ebb31484ccf277d2283859565"`
[INFO] running `"docker" "rm" "-f" "46c5d38dc99967f4a76dbbab317d6b2754173a7ebb31484ccf277d2283859565"`
[INFO] [stdout] 46c5d38dc99967f4a76dbbab317d6b2754173a7ebb31484ccf277d2283859565