[INFO] fetching crate hash2curve 0.0.4...
[INFO] checking hash2curve-0.0.4 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate hash2curve 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hash2curve 0.0.4 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hash2curve 0.0.4
[INFO] finished tweaking crates.io crate hash2curve 0.0.4
[INFO] tweaked toml for crates.io crate hash2curve 0.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 4eb4be6eab1466c5d36f7902e68bc300a3b2316bafe6cda8374560031d63a4fc
[INFO] running `"docker" "start" "-a" "4eb4be6eab1466c5d36f7902e68bc300a3b2316bafe6cda8374560031d63a4fc"`
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking hash2curve v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `MAX_EXPAND_MESSAGE_REQUEST`
[INFO] [stderr]    --> src/lib.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | const MAX_EXPAND_MESSAGE_REQUEST: usize = 255;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expand_message_xof`
[INFO] [stderr]    --> src/lib.rs:194:15
[INFO] [stderr]     |
[INFO] [stderr] 194 | pub(crate) fn expand_message_xof<X, T>(
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expand_message_xmd`
[INFO] [stderr]    --> src/lib.rs:223:15
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub(crate) fn expand_message_xmd<D, T>(
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vxor`
[INFO] [stderr]    --> src/lib.rs:277:4
[INFO] [stderr]     |
[INFO] [stderr] 277 | fn vxor(b1: &[u8], b2: &[u8]) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_EXPAND_MESSAGE_REQUEST`
[INFO] [stderr]    --> src/lib.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | const MAX_EXPAND_MESSAGE_REQUEST: usize = 255;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expand_message_xof`
[INFO] [stderr]    --> src/lib.rs:194:15
[INFO] [stderr]     |
[INFO] [stderr] 194 | pub(crate) fn expand_message_xof<X, T>(
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expand_message_xmd`
[INFO] [stderr]    --> src/lib.rs:223:15
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub(crate) fn expand_message_xmd<D, T>(
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vxor`
[INFO] [stderr]    --> src/lib.rs:277:4
[INFO] [stderr]     |
[INFO] [stderr] 277 | fn vxor(b1: &[u8], b2: &[u8]) -> Vec<u8> {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "4eb4be6eab1466c5d36f7902e68bc300a3b2316bafe6cda8374560031d63a4fc"`
[INFO] running `"docker" "rm" "-f" "4eb4be6eab1466c5d36f7902e68bc300a3b2316bafe6cda8374560031d63a4fc"`
[INFO] [stdout] 4eb4be6eab1466c5d36f7902e68bc300a3b2316bafe6cda8374560031d63a4fc