[INFO] cloning repository https://github.com/jmg292/crypto_interop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmg292/crypto_interop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fcrypto_interop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fcrypto_interop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c79d1647434d814760119a8a67d727e6fea753a
[INFO] documenting jmg292/crypto_interop against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fcrypto_interop" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmg292/crypto_interop on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmg292/crypto_interop
[INFO] finished tweaking git repo https://github.com/jmg292/crypto_interop
[INFO] tweaked toml for git repo https://github.com/jmg292/crypto_interop written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jmg292/crypto_interop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11dd52725e92e5cb123466075460b262df8f9f90c7d4d2394f936250bca7b126
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11dd52725e92e5cb123466075460b262df8f9f90c7d4d2394f936250bca7b126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11dd52725e92e5cb123466075460b262df8f9f90c7d4d2394f936250bca7b126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dd52725e92e5cb123466075460b262df8f9f90c7d4d2394f936250bca7b126", kill_on_drop: false }`
[INFO] [stdout] 11dd52725e92e5cb123466075460b262df8f9f90c7d4d2394f936250bca7b126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d7255388c494628642ff57cd55ddf41e3982b786c5d98b25ac09f6f9c85cbf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30d7255388c494628642ff57cd55ddf41e3982b786c5d98b25ac09f6f9c85cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_hc v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]     Checking global v0.4.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking stream-cipher v0.4.1
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking chacha20 v0.4.3
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking chacha20poly1305 v0.5.1
[INFO] [stderr]  Documenting crypto_interop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub extern fn init(identity_file: &str, authorized_keys_folder: &str) {
[INFO] [stdout]    |                                   ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:19:65
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub extern fn init(identity_file: &str, authorized_keys_folder: &str) {
[INFO] [stdout]    |                                                                 ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern fn save_public_key(file_path: &str) -> bool {
[INFO] [stdout]    |                                          ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8; 16]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub extern fn get_challenge() -> [u8; 16] {
[INFO] [stdout]    |                                  ^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider passing a pointer to the array
[INFO] [stdout]    = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:41:49
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub extern fn get_challenge_response(challenge: &[u8]) -> [u8; 193] {
[INFO] [stdout]    |                                                 ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8; 193]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:41:59
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub extern fn get_challenge_response(challenge: &[u8]) -> [u8; 193] {
[INFO] [stdout]    |                                                           ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider passing a pointer to the array
[INFO] [stdout]    = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:46:54
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub extern fn finalize_challenge(challenge_response: &[u8], output_buffer: &mut [u8]) -> bool {
[INFO] [stdout]    |                                                      ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:46:76
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub extern fn finalize_challenge(challenge_response: &[u8], output_buffer: &mut [u8]) -> bool {
[INFO] [stdout]    |                                                                            ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub extern fn encrypt(message: &[u8], output_buffer: &mut [u8]) -> bool {
[INFO] [stdout]    |                                ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:66:54
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub extern fn encrypt(message: &[u8], output_buffer: &mut [u8]) -> bool {
[INFO] [stdout]    |                                                      ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub extern fn decrypt(message: &[u8], output_buffer: &mut [u8]) -> bool {
[INFO] [stdout]    |                                ^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:80:54
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub extern fn decrypt(message: &[u8], output_buffer: &mut [u8]) -> bool {
[INFO] [stdout]    |                                                      ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.14s
[INFO] running `Command { std: "docker" "inspect" "30d7255388c494628642ff57cd55ddf41e3982b786c5d98b25ac09f6f9c85cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d7255388c494628642ff57cd55ddf41e3982b786c5d98b25ac09f6f9c85cbf", kill_on_drop: false }`
[INFO] [stdout] 30d7255388c494628642ff57cd55ddf41e3982b786c5d98b25ac09f6f9c85cbf