[INFO] fetching crate hyperbolic_graph_generator 0.1.3...
[INFO] testing hyperbolic_graph_generator-0.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate hyperbolic_graph_generator 0.1.3 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hyperbolic_graph_generator 0.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding GSL v1.1.0 (available: v7.0.0)
[INFO] [stderr]       Adding c_vec v1.0.12 (available: v1.3.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f5eab67414e15d3e50a8f01a8d53611c6c712c6c761c1fff03f63ee8eed71ef
[INFO] running `Command { std: "docker" "start" "-a" "2f5eab67414e15d3e50a8f01a8d53611c6c712c6c761c1fff03f63ee8eed71ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5eab67414e15d3e50a8f01a8d53611c6c712c6c761c1fff03f63ee8eed71ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5eab67414e15d3e50a8f01a8d53611c6c712c6c761c1fff03f63ee8eed71ef", kill_on_drop: false }`
[INFO] [stdout] 2f5eab67414e15d3e50a8f01a8d53611c6c712c6c761c1fff03f63ee8eed71ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b220f704da354d6c86790bdaf09114acf0e6305827f926eb09a230e177531b88
[INFO] running `Command { std: "docker" "start" "-a" "b220f704da354d6c86790bdaf09114acf0e6305827f926eb09a230e177531b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling GSL v1.1.0
[INFO] [stderr]    Compiling c_vec v1.0.12
[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)]` (part of `#[warn(unused)]`) 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected_gamma` and `starting_id` are never read
[INFO] [stdout]   --> src/hg_formats.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct HgParametersType {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |   pub expected_gamma: f64,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |   pub starting_id: usize
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/hg_gen_algorithms.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |   unsafe { mem::transmute(f) }
[INFO] [stdout]    |            --------------^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: replace this with: `f64::to_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[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)]` (part of `#[warn(unused)]`) 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, 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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 520 |         rnd_01: &mut dyn FnMut() -> f64,
[INFO] [stdout]     |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected_gamma` and `starting_id` are never read
[INFO] [stdout]   --> src/hg_formats.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct HgParametersType {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |   pub expected_gamma: f64,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |   pub starting_id: usize
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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] 
[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] warning: unnecessary transmute
[INFO] [stdout]   --> src/hg_gen_algorithms.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |   unsafe { mem::transmute(f) }
[INFO] [stdout]    |            --------------^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            help: replace this with: `f64::to_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcOsOBY4/symbols.o" "<4 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librgsl-69b99c96e3d32a90,libc_vec-2bdb67cf9162038e,liblibc-e2775a15e5abc6fd}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcOsOBY4/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/hyperbolic_graph_generator-fabff56c986c98fd" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: gsl_sf_hyperg_2F1
[INFO] [stdout]           >>> referenced by hypergeometric.rs:100 (src/hypergeometric.rs:100)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(rgsl::hypergeometric::hyperg_2F1::h89633ad086ba63c6) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_rng_alloc
[INFO] [stdout]           >>> referenced by rng.rs:93 (src/types/rng.rs:93)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(rgsl::types::rng::Rng::new::h10bcdbd9b77d6c70) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_rng_set
[INFO] [stdout]           >>> referenced by rng.rs:112 (src/types/rng.rs:112)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(rgsl::types::rng::Rng::set::h2cdb63d3a83213a1) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_rng_uniform
[INFO] [stdout]           >>> referenced by rng.rs:125 (src/types/rng.rs:125)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(rgsl::types::rng::Rng::uniform::h2e6d9eeea82458db) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_rng_env_setup
[INFO] [stdout]           >>> referenced by rng.rs:327 (src/types/rng.rs:327)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(rgsl::types::rng::RngType::env_setup::h890cd86863397807) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_rng_default
[INFO] [stdout]           >>> referenced by macros.rs:26 (src/macros.rs:26)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(rgsl::types::rng::default::he24e3f024e5098dc) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           >>> referenced by macros.rs:26 (src/macros.rs:26)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(rgsl::types::rng::default::he24e3f024e5098dc) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_rng_free
[INFO] [stdout]           >>> referenced by rng.rs:215 (src/types/rng.rs:215)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.4.rcgu.o:(_$LT$rgsl..types..rng..Rng$u20$as$u20$core..ops..drop..Drop$GT$::drop::h4425db12399aa2ea) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_monte_miser_alloc
[INFO] [stdout]           >>> referenced by monte_carlo.rs:219 (src/types/monte_carlo.rs:219)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.2.rcgu.o:(rgsl::types::monte_carlo::MiserMonteCarlo::new::hcd7be99ff75888a2) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_rng_mt19937
[INFO] [stdout]           >>> referenced by macros.rs:26 (src/macros.rs:26)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.2.rcgu.o:(rgsl::types::rng::algorithms::mt19937::h77c2f67138dd04d9) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           >>> referenced by macros.rs:26 (src/macros.rs:26)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.2.rcgu.o:(rgsl::types::rng::algorithms::mt19937::h77c2f67138dd04d9) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_monte_miser_free
[INFO] [stdout]           >>> referenced by monte_carlo.rs:306 (src/types/monte_carlo.rs:306)
[INFO] [stdout]           >>>               rgsl-69b99c96e3d32a90.rgsl.b962d386692e2955-cgu.2.rcgu.o:(_$LT$rgsl..types..monte_carlo..MiserMonteCarlo$u20$as$u20$core..ops..drop..Drop$GT$::drop::hbe8ecb5eaf0dc384) in archive /opt/rustwide/target/debug/deps/librgsl-69b99c96e3d32a90.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: gsl_monte_miser_integrate
[INFO] [stdout]           >>> referenced by monte_carlo.rs:262 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/GSL-1.1.0/src/types/monte_carlo.rs:262)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/deps/hyperbolic_graph_generator-fabff56c986c98fd.hyperbolic_graph_generator.4ab27722e54c5859-cgu.0.rcgu.o:(rgsl::types::monte_carlo::MiserMonteCarlo::integrate::h4314560327b20305)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyperbolic_graph_generator` (bin "hyperbolic_graph_generator") due to 1 previous error; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b220f704da354d6c86790bdaf09114acf0e6305827f926eb09a230e177531b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b220f704da354d6c86790bdaf09114acf0e6305827f926eb09a230e177531b88", kill_on_drop: false }`
[INFO] [stdout] b220f704da354d6c86790bdaf09114acf0e6305827f926eb09a230e177531b88
