[INFO] fetching crate challenge-bypass-ristretto 1.0.0-pre.0...
[INFO] checking challenge-bypass-ristretto-1.0.0-pre.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate challenge-bypass-ristretto 1.0.0-pre.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate challenge-bypass-ristretto 1.0.0-pre.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b593acb7a9e3f8fcc440537798449515283833870a5a548f8d311cdf80b382f0
[INFO] running `Command { std: "docker" "start" "-a" "b593acb7a9e3f8fcc440537798449515283833870a5a548f8d311cdf80b382f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b593acb7a9e3f8fcc440537798449515283833870a5a548f8d311cdf80b382f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b593acb7a9e3f8fcc440537798449515283833870a5a548f8d311cdf80b382f0", kill_on_drop: false }`
[INFO] [stdout] b593acb7a9e3f8fcc440537798449515283833870a5a548f8d311cdf80b382f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecf76e3263a5e104ce13d53f1fb2e50708f0167774c7a0cf3b559f44d9d43ac6
[INFO] running `Command { std: "docker" "start" "-a" "ecf76e3263a5e104ce13d53f1fb2e50708f0167774c7a0cf3b559f44d9d43ac6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[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]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[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 v0.8.2
[INFO] [stderr]     Checking challenge-bypass-ristretto v1.0.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::rngs::OsRng`
[INFO] [stdout]    --> src/oprf.rs:579:9
[INFO] [stdout]     |
[INFO] [stdout] 579 |     use rand::rngs::OsRng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ no `OsRng` in `rngs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::rngs::OsRng`
[INFO] [stdout]    --> src/dleq.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |     use rand::rngs::OsRng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ no `OsRng` in `rngs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `challenge-bypass-ristretto` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ecf76e3263a5e104ce13d53f1fb2e50708f0167774c7a0cf3b559f44d9d43ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf76e3263a5e104ce13d53f1fb2e50708f0167774c7a0cf3b559f44d9d43ac6", kill_on_drop: false }`
[INFO] [stdout] ecf76e3263a5e104ce13d53f1fb2e50708f0167774c7a0cf3b559f44d9d43ac6