[INFO] crate nitrocli 0.2.4 is already in cache
[INFO] extracting crate nitrocli 0.2.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/nitrocli/0.2.4
[INFO] extracting crate nitrocli 0.2.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nitrocli/0.2.4
[INFO] validating manifest of nitrocli-0.2.4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nitrocli-0.2.4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nitrocli-0.2.4
[INFO] finished frobbing nitrocli-0.2.4
[INFO] frobbed toml for nitrocli-0.2.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/nitrocli/0.2.4/Cargo.toml
[INFO] started frobbing nitrocli-0.2.4
[INFO] finished frobbing nitrocli-0.2.4
[INFO] frobbed toml for nitrocli-0.2.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nitrocli/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nitrocli-0.2.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/nitrocli/0.2.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5130389c067fdf1fcb1301d70187a054c58e0c298334d3a883eeda37538f9ee2
[INFO] running `"docker" "start" "-a" "5130389c067fdf1fcb1301d70187a054c58e0c298334d3a883eeda37538f9ee2"`
[INFO] [stderr]    Compiling nitrokey-sys v3.5.0
[INFO] [stderr]    Compiling nitrokey v0.3.4
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nitrokey-0.3.4/src/device.rs:376:18
[INFO] [stderr]     |
[INFO] [stderr] 375 |     fn get_major_firmware_version(&self) -> i32 {
[INFO] [stderr]     |                                             --- expected `i32` because of return type
[INFO] [stderr] 376 |         unsafe { nitrokey_sys::NK_get_major_firmware_version() }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected i32, found u8
[INFO] [stderr] help: you can convert an `u8` to `i32` and panic if the converted value wouldn't fit
[INFO] [stderr]     |
[INFO] [stderr] 376 |         unsafe { nitrokey_sys::NK_get_major_firmware_version().try_into().unwrap() }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nitrokey-0.3.4/src/device.rs:397:18
[INFO] [stderr]     |
[INFO] [stderr] 396 |     fn get_minor_firmware_version(&self) -> i32 {
[INFO] [stderr]     |                                             --- expected `i32` because of return type
[INFO] [stderr] 397 |         unsafe { nitrokey_sys::NK_get_minor_firmware_version() }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected i32, found u8
[INFO] [stderr] help: you can convert an `u8` to `i32` and panic if the converted value wouldn't fit
[INFO] [stderr]     |
[INFO] [stderr] 397 |         unsafe { nitrokey_sys::NK_get_minor_firmware_version().try_into().unwrap() }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `nitrokey`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5130389c067fdf1fcb1301d70187a054c58e0c298334d3a883eeda37538f9ee2"`
[INFO] running `"docker" "rm" "-f" "5130389c067fdf1fcb1301d70187a054c58e0c298334d3a883eeda37538f9ee2"`
[INFO] [stdout] 5130389c067fdf1fcb1301d70187a054c58e0c298334d3a883eeda37538f9ee2