[INFO] crate challenge-bypass-ristretto 1.0.0-pre.0 is already in cache
[INFO] checking challenge-bypass-ristretto-1.0.0-pre.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate challenge-bypass-ristretto 1.0.0-pre.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate challenge-bypass-ristretto 1.0.0-pre.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate challenge-bypass-ristretto 1.0.0-pre.0
[INFO] finished tweaking crates.io crate challenge-bypass-ristretto 1.0.0-pre.0
[INFO] tweaked toml for crates.io crate challenge-bypass-ristretto 1.0.0-pre.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] ff3d5e892f7c4fc5d5eef5eb442ae766e2131f25ca1cb7dbc6505a1f8932c16a
[INFO] running `"docker" "start" "-a" "ff3d5e892f7c4fc5d5eef5eb442ae766e2131f25ca1cb7dbc6505a1f8932c16a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking challenge-bypass-ristretto v1.0.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand::rngs::OsRng`
[INFO] [stderr]    --> src/oprf.rs:579:9
[INFO] [stderr]     |
[INFO] [stderr] 579 |     use rand::rngs::OsRng;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ no `OsRng` in `rngs`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::rngs::OsRng`
[INFO] [stderr]    --> src/dleq.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |     use rand::rngs::OsRng;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ no `OsRng` in `rngs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `challenge-bypass-ristretto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ff3d5e892f7c4fc5d5eef5eb442ae766e2131f25ca1cb7dbc6505a1f8932c16a"`
[INFO] running `"docker" "rm" "-f" "ff3d5e892f7c4fc5d5eef5eb442ae766e2131f25ca1cb7dbc6505a1f8932c16a"`
[INFO] [stdout] ff3d5e892f7c4fc5d5eef5eb442ae766e2131f25ca1cb7dbc6505a1f8932c16a