[INFO] updating cached repository https://github.com/huhisoftware/challenge-bypass-ristretto-ffi
[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] cb367e7d868af79a9f5b09b6f242d511865ce429
[INFO] checking huhisoftware/challenge-bypass-ristretto-ffi against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuhisoftware%2Fchallenge-bypass-ristretto-ffi" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huhisoftware/challenge-bypass-ristretto-ffi on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/huhisoftware/challenge-bypass-ristretto-ffi
[INFO] finished tweaking git repo https://github.com/huhisoftware/challenge-bypass-ristretto-ffi
[INFO] tweaked toml for git repo https://github.com/huhisoftware/challenge-bypass-ristretto-ffi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/huhisoftware/challenge-bypass-ristretto-ffi already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] e9fde61a2b6b6cbfebdce5f0c10cce82a03480b26c7c85a36ad6ba0dadcc930b
[INFO] running `"docker" "start" "-a" "e9fde61a2b6b6cbfebdce5f0c10cce82a03480b26c7c85a36ad6ba0dadcc930b"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling curve25519-dalek v1.0.1
[INFO] [stderr]     Checking challenge-bypass-ristretto v1.0.0-pre.0
[INFO] [stderr]     Checking challenge-bypass-ristretto-ffi v1.0.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:28:43
[INFO] [stderr]    |
[INFO] [stderr] 28 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[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:28:43
[INFO] [stderr]    |
[INFO] [stderr] 28 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |     T: Into<Box<Error>>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:28:43
[INFO] [stderr]    |
[INFO] [stderr] 28 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[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:28:43
[INFO] [stderr]    |
[INFO] [stderr] 28 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |     T: Into<Box<Error>>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `"docker" "inspect" "e9fde61a2b6b6cbfebdce5f0c10cce82a03480b26c7c85a36ad6ba0dadcc930b"`
[INFO] running `"docker" "rm" "-f" "e9fde61a2b6b6cbfebdce5f0c10cce82a03480b26c7c85a36ad6ba0dadcc930b"`
[INFO] [stdout] e9fde61a2b6b6cbfebdce5f0c10cce82a03480b26c7c85a36ad6ba0dadcc930b