[INFO] fetching crate hyperbolic_graph_generator 0.1.3...
[INFO] testing hyperbolic_graph_generator-0.1.3 against 1.69.0 for beta-1.70-1
[INFO] extracting crate hyperbolic_graph_generator 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate hyperbolic_graph_generator 0.1.3 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hyperbolic_graph_generator 0.1.3
[INFO] finished tweaking crates.io crate hyperbolic_graph_generator 0.1.3
[INFO] tweaked toml for crates.io crate hyperbolic_graph_generator 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v1.0.12
[INFO] [stderr]   Downloaded GSL v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca90b78778dc591bcae6f5358ea73bc0b915be2d98b970c73e80ada1236b303
[INFO] running `Command { std: "docker" "start" "-a" "7ca90b78778dc591bcae6f5358ea73bc0b915be2d98b970c73e80ada1236b303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca90b78778dc591bcae6f5358ea73bc0b915be2d98b970c73e80ada1236b303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca90b78778dc591bcae6f5358ea73bc0b915be2d98b970c73e80ada1236b303", kill_on_drop: false }`
[INFO] [stdout] 7ca90b78778dc591bcae6f5358ea73bc0b915be2d98b970c73e80ada1236b303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6aa02053be1a4a047261127fe7dab14cc8a5d0e9c6e498d178c5ecdb65ba01
[INFO] running `Command { std: "docker" "start" "-a" "0f6aa02053be1a4a047261127fe7dab14cc8a5d0e9c6e498d178c5ecdb65ba01", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling GSL v1.1.0
[INFO] [stderr]    Compiling hyperbolic_graph_generator v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::hg_debug::*`
[INFO] [stdout]   --> src/hg_math.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::hg_debug::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hg_debug::*`
[INFO] [stdout]   --> src/hg_gen_algorithms.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::hg_debug::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hg_utils.rs:66:60
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn hg_uniform_radial_coordinate(radius: f64, rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn hg_uniform_radial_coordinate(radius: f64, rnd: &mut dyn FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hg_utils.rs:87:78
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn hg_quasi_uniform_radial_coordinate(radius: f64, alpha: f64, rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn hg_quasi_uniform_radial_coordinate(radius: f64, alpha: f64, rnd: &mut dyn FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_utils.rs:106:48
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn hg_uniform_angular_coordinate(rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn hg_uniform_angular_coordinate(rnd: &mut dyn FnMut() -> f64) -> f64 {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hg_gen_algorithms.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |         rnd_01: &mut FnMut() -> f64) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |         rnd_01: &mut dyn FnMut() -> f64) {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:172:22
[INFO] [stdout]     |
[INFO] [stdout] 172 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:246:22
[INFO] [stdout]     |
[INFO] [stdout] 246 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 246 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 331 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:405:22
[INFO] [stdout]     |
[INFO] [stdout] 405 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 405 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:455:22
[INFO] [stdout]     |
[INFO] [stdout] 455 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 455 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:520:22
[INFO] [stdout]     |
[INFO] [stdout] 520 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hg_uniform_radial_coordinate` is never used
[INFO] [stdout]   --> src/hg_utils.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn hg_uniform_radial_coordinate(radius: f64, rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hg_debug::*`
[INFO] [stdout]   --> src/hg_math.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::hg_debug::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hg_debug::*`
[INFO] [stdout]   --> src/hg_gen_algorithms.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::hg_debug::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hg_utils.rs:66:60
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn hg_uniform_radial_coordinate(radius: f64, rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn hg_uniform_radial_coordinate(radius: f64, rnd: &mut dyn FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hg_utils.rs:87:78
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn hg_quasi_uniform_radial_coordinate(radius: f64, alpha: f64, rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn hg_quasi_uniform_radial_coordinate(radius: f64, alpha: f64, rnd: &mut dyn FnMut() -> f64) -> f64 {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_utils.rs:106:48
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn hg_uniform_angular_coordinate(rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn hg_uniform_angular_coordinate(rnd: &mut dyn FnMut() -> f64) -> f64 {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hg_gen_algorithms.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |         rnd_01: &mut FnMut() -> f64) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |         rnd_01: &mut dyn FnMut() -> f64) {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:172:22
[INFO] [stdout]     |
[INFO] [stdout] 172 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:246:22
[INFO] [stdout]     |
[INFO] [stdout] 246 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 246 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 331 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:405:22
[INFO] [stdout]     |
[INFO] [stdout] 405 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 405 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:455:22
[INFO] [stdout]     |
[INFO] [stdout] 455 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 455 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:520:22
[INFO] [stdout]     |
[INFO] [stdout] 520 |         rnd_01: &mut FnMut() -> f64,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hg_uniform_radial_coordinate` is never used
[INFO] [stdout]   --> src/hg_utils.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn hg_uniform_radial_coordinate(radius: f64, rnd: &mut FnMut() -> f64) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hg_hyperbolic_distance_hyperbolic_rgg_standard` is never used
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn hg_hyperbolic_distance_hyperbolic_rgg_standard(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hg_hyperbolic_distance_er` is never used
[INFO] [stdout]    --> src/hg_gen_algorithms.rs:498:8
[INFO] [stdout]     |
[INFO] [stdout] 498 | pub fn hg_hyperbolic_distance_er(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hg_hyperbolic_distance` is never used
[INFO] [stdout]   --> src/hg_graphs_lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn hg_hyperbolic_distance(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc2jzFJC/symbols.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.4kxu3zjgirv2bfeq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib" "/opt/rustwide/target/debug/deps/libc_vec-e88cf0ce19fedcd2.rlib" "/opt/rustwide/target/debug/deps/liblibc-b7b14a0fe316ec96.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-89bc084783fdc439.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-8bee4b287d4367c1.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-d61707aed80694c0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d85366256f22345b.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-96069b86b8a8cae9.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-d19d53abf68dfa6c.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-787cbccd19d64ac6.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-b3837a36b830e0d0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e3deb0e7e3f04966.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-dabbb79c9815def4.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-305b01f34c9409f2.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-f833521df6074e73.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9ac333113350d171.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1c126114322d0eee.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bad9164fdeeecf92.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f9374b1e480fa681.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-207f06e41d9603af.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-7e2768e66e984e85.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-957b4aff41f8cd46.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/hyperbolic_graph_generator-e223aff0dd2fd11d.hyperbolic_graph_generator.45ee1c90-cgu.4.rcgu.o: in function `rgsl::types::monte_carlo::MiserMonteCarlo::integrate':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/monte_carlo.rs:262: undefined reference to `gsl_monte_miser_integrate'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.1.rcgu.o): in function `rgsl::types::rng::algorithms::mt19937':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/rng.rs:386: undefined reference to `gsl_rng_mt19937'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.13.rcgu.o): in function `rgsl::hypergeometric::hyperg_2F1':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/hypergeometric.rs:100: undefined reference to `gsl_sf_hyperg_2F1'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.5.rcgu.o): in function `rgsl::types::monte_carlo::MiserMonteCarlo::new':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/monte_carlo.rs:219: undefined reference to `gsl_monte_miser_alloc'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.5.rcgu.o): in function `<rgsl::types::monte_carlo::MiserMonteCarlo as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/monte_carlo.rs:306: undefined reference to `gsl_monte_miser_free'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.8.rcgu.o): in function `rgsl::types::rng::Rng::new':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/rng.rs:93: undefined reference to `gsl_rng_alloc'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.8.rcgu.o): in function `rgsl::types::rng::Rng::set':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/rng.rs:112: undefined reference to `gsl_rng_set'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.8.rcgu.o): in function `rgsl::types::rng::Rng::uniform':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/rng.rs:125: undefined reference to `gsl_rng_uniform'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.8.rcgu.o): in function `<rgsl::types::rng::Rng as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/rng.rs:215: undefined reference to `gsl_rng_free'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.8.rcgu.o): in function `rgsl::types::rng::RngType::env_setup':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/rng.rs:327: undefined reference to `gsl_rng_env_setup'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librgsl-5038d2b1fdbb600a.rlib(rgsl-5038d2b1fdbb600a.rgsl.956cb921-cgu.8.rcgu.o): in function `rgsl::types::rng::default':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-1.1.0/src/types/rng.rs:358: undefined reference to `gsl_rng_default'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyperbolic_graph_generator` due to 2 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0f6aa02053be1a4a047261127fe7dab14cc8a5d0e9c6e498d178c5ecdb65ba01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6aa02053be1a4a047261127fe7dab14cc8a5d0e9c6e498d178c5ecdb65ba01", kill_on_drop: false }`
[INFO] [stdout] 0f6aa02053be1a4a047261127fe7dab14cc8a5d0e9c6e498d178c5ecdb65ba01
