[INFO] fetching crate sidh 0.2.3...
[INFO] testing sidh-0.2.3 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate sidh 0.2.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sidh 0.2.3
[INFO] finished tweaking crates.io crate sidh 0.2.3
[INFO] tweaked toml for crates.io crate sidh 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sidh 0.2.3 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.3)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c74725cc81254ac7812018ce28ce6449db20d0cc3c51bfe1ca1c409ebbc58c4d
[INFO] running `Command { std: "docker" "start" "-a" "c74725cc81254ac7812018ce28ce6449db20d0cc3c51bfe1ca1c409ebbc58c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c74725cc81254ac7812018ce28ce6449db20d0cc3c51bfe1ca1c409ebbc58c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74725cc81254ac7812018ce28ce6449db20d0cc3c51bfe1ca1c409ebbc58c4d", kill_on_drop: false }`
[INFO] [stdout] c74725cc81254ac7812018ce28ce6449db20d0cc3c51bfe1ca1c409ebbc58c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea880b3c8527e05523910017455053ec2c41ad6d7831a68dcb868a01bcab6960
[INFO] running `Command { std: "docker" "start" "-a" "ea880b3c8527e05523910017455053ec2c41ad6d7831a68dcb868a01bcab6960", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling sidh v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Choice`, which is not FFI-safe
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:154:73
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn cswap751_asm(x: &mut Fp751Element, y: &mut Fp751Element, choice: Choice);
[INFO] [stdout]     |                                                                         ^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `Command { std: "docker" "inspect" "ea880b3c8527e05523910017455053ec2c41ad6d7831a68dcb868a01bcab6960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea880b3c8527e05523910017455053ec2c41ad6d7831a68dcb868a01bcab6960", kill_on_drop: false }`
[INFO] [stdout] ea880b3c8527e05523910017455053ec2c41ad6d7831a68dcb868a01bcab6960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ddcc56f0d4be1b0d65aeb4d6e4f6114e83bcc33c610cb2f4bf78fe200713fc5
[INFO] running `Command { std: "docker" "start" "-a" "3ddcc56f0d4be1b0d65aeb4d6e4f6114e83bcc33c610cb2f4bf78fe200713fc5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling sidh v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `Choice`, which is not FFI-safe
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:154:73
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn cswap751_asm(x: &mut Fp751Element, y: &mut Fp751Element, choice: Choice);
[INFO] [stdout]     |                                                                         ^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:150:1
[INFO] [stdout]     |
[INFO] [stdout] 150 | extern {
[INFO] [stdout]     | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute cannot be used on foreign functions
[INFO] [stdout]    --> src/backend/x64/fp_x64.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     #[no_mangle]
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[no_mangle]` can be applied to functions, methods, and statics
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:62:29
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let high_limb = rng.gen::<u64>() % 246065832128056;
[INFO] [stdout]    |                             ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `gen` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> src/backend/x64/fp_x64.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             rng.gen::<u64>(),
[INFO] [stdout]    |                 ^^^ method not found in `ThreadRng`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.6/src/rng.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn gen<T>(&mut self) -> T
[INFO] [stdout]    |        --- the method is available for `ThreadRng` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Rng` which provides `gen` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  9 + use rand::Rng;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sidh` (lib test) due to 12 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3ddcc56f0d4be1b0d65aeb4d6e4f6114e83bcc33c610cb2f4bf78fe200713fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ddcc56f0d4be1b0d65aeb4d6e4f6114e83bcc33c610cb2f4bf78fe200713fc5", kill_on_drop: false }`
[INFO] [stdout] 3ddcc56f0d4be1b0d65aeb4d6e4f6114e83bcc33c610cb2f4bf78fe200713fc5
