[INFO] updating cached repository https://github.com/dsgriffin/freefare-sys
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4163cc10b30e0988acae3fc335709ae16cfa14f5
[INFO] checking dsgriffin/freefare-sys against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsgriffin%2Ffreefare-sys" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsgriffin/freefare-sys on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dsgriffin/freefare-sys
[INFO] finished tweaking git repo https://github.com/dsgriffin/freefare-sys
[INFO] tweaked toml for git repo https://github.com/dsgriffin/freefare-sys written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dsgriffin/freefare-sys already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f12ddc1e2e4268791e9808ccdd62f9586f2e302bb76e51da7c535dda34a6748
[INFO] running `"docker" "start" "-a" "3f12ddc1e2e4268791e9808ccdd62f9586f2e302bb76e51da7c535dda34a6748"`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking nfc-sys v0.1.5
[INFO] [stderr]     Checking freefare-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:290:15
[INFO] [stderr]     |
[INFO] [stderr] 290 |         data: MifareUltralightPage,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:309:14
[INFO] [stderr]     |
[INFO] [stderr] 309 |         key: MifareClassicKey,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:332:15
[INFO] [stderr]     |
[INFO] [stderr] 332 |         data: MifareClassicBlock,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:370:16
[INFO] [stderr]     |
[INFO] [stderr] 370 |         key_a: MifareClassicKey,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:376:16
[INFO] [stderr]     |
[INFO] [stderr] 376 |         key_b: MifareClassicKey,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:393:26
[INFO] [stderr]     |
[INFO] [stderr] 393 |         key_b_sector_00: MifareClassicKey,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:394:26
[INFO] [stderr]     |
[INFO] [stderr] 394 |         key_b_sector_10: MifareClassicKey,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:426:14
[INFO] [stderr]     |
[INFO] [stderr] 426 |         key: MifareClassicKey,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:435:14
[INFO] [stderr]     |
[INFO] [stderr] 435 |         key: MifareClassicKey,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:290:15
[INFO] [stderr]     |
[INFO] [stderr] 290 |         data: MifareUltralightPage,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:309:14
[INFO] [stderr]     |
[INFO] [stderr] 309 |         key: MifareClassicKey,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:332:15
[INFO] [stderr]     |
[INFO] [stderr] 332 |         data: MifareClassicBlock,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:370:16
[INFO] [stderr]     |
[INFO] [stderr] 370 |         key_a: MifareClassicKey,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:376:16
[INFO] [stderr]     |
[INFO] [stderr] 376 |         key_b: MifareClassicKey,
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:393:26
[INFO] [stderr]     |
[INFO] [stderr] 393 |         key_b_sector_00: MifareClassicKey,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:394:26
[INFO] [stderr]     |
[INFO] [stderr] 394 |         key_b_sector_10: MifareClassicKey,
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:426:14
[INFO] [stderr]     |
[INFO] [stderr] 426 |         key: MifareClassicKey,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[u8; 6]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:435:14
[INFO] [stderr]     |
[INFO] [stderr] 435 |         key: MifareClassicKey,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider passing a pointer to the array
[INFO] [stderr]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "3f12ddc1e2e4268791e9808ccdd62f9586f2e302bb76e51da7c535dda34a6748"`
[INFO] running `"docker" "rm" "-f" "3f12ddc1e2e4268791e9808ccdd62f9586f2e302bb76e51da7c535dda34a6748"`
[INFO] [stdout] 3f12ddc1e2e4268791e9808ccdd62f9586f2e302bb76e51da7c535dda34a6748