[INFO] fetching crate pht-crypto 0.1.0-alpha...
[INFO] testing pht-crypto-0.1.0-alpha against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate pht-crypto 0.1.0-alpha into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pht-crypto 0.1.0-alpha
[INFO] finished tweaking crates.io crate pht-crypto 0.1.0-alpha
[INFO] tweaked toml for crates.io crate pht-crypto 0.1.0-alpha written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pht-crypto 0.1.0-alpha on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e9ef729a8182099c8283f1fd1a4a00e4dde4eb2ac6c7c7ec3bd3b3d4e130ea9
[INFO] running `Command { std: "docker" "start" "-a" "8e9ef729a8182099c8283f1fd1a4a00e4dde4eb2ac6c7c7ec3bd3b3d4e130ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e9ef729a8182099c8283f1fd1a4a00e4dde4eb2ac6c7c7ec3bd3b3d4e130ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9ef729a8182099c8283f1fd1a4a00e4dde4eb2ac6c7c7ec3bd3b3d4e130ea9", kill_on_drop: false }`
[INFO] [stdout] 8e9ef729a8182099c8283f1fd1a4a00e4dde4eb2ac6c7c7ec3bd3b3d4e130ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f8cf84b3b46001c758eab602c629bcf1fa8a4165f403f16dea05a915a373c0
[INFO] running `Command { std: "docker" "start" "-a" "05f8cf84b3b46001c758eab602c629bcf1fa8a4165f403f16dea05a915a373c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rug v1.29.0
[INFO] [stderr]    Compiling az v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling glass_pumpkin v1.10.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pht-crypto v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `ThreadRng: rand_core::Rng` is not satisfied
[INFO] [stdout]   --> src/rand.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let sp = safe_prime::from_rng(bits, &mut thread_rng())?;
[INFO] [stdout]    |              --------------------       ^^^^^^^^^^^^^^^^^ the trait `DerefMut` is not implemented for `ThreadRng`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `ThreadRng` to implement `rand_core::TryRng`
[INFO] [stdout]    = note: required for `ThreadRng` to implement `rand_core::Rng`
[INFO] [stdout] note: required by a bound in `glass_pumpkin::safe_prime::gen_safe_prime`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/glass_pumpkin-1.10.0/src/common.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn gen_safe_prime<R: Rng + ?Sized>(bit_length: usize, rng: &mut R) -> Result {
[INFO] [stdout]    |                          ^^^ required by this bound in `gen_safe_prime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pht-crypto` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "05f8cf84b3b46001c758eab602c629bcf1fa8a4165f403f16dea05a915a373c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f8cf84b3b46001c758eab602c629bcf1fa8a4165f403f16dea05a915a373c0", kill_on_drop: false }`
[INFO] [stdout] 05f8cf84b3b46001c758eab602c629bcf1fa8a4165f403f16dea05a915a373c0