[INFO] fetching crate sbml-sim 0.1.2...
[INFO] testing sbml-sim-0.1.2 against 1.95.0 for beta-1.96-2
[INFO] extracting crate sbml-sim 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate sbml-sim 0.1.2
[INFO] finished tweaking crates.io crate sbml-sim 0.1.2
[INFO] tweaked toml for crates.io crate sbml-sim 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sbml-sim 0.1.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sbml-sim 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sbml-rs v0.1.1
[INFO] [stderr]   Downloaded sbml-macros v0.1.1
[INFO] [stderr]   Downloaded approx v0.5.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded mathml-macros v0.1.1
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded mathru v0.9.1
[INFO] [stderr]   Downloaded mathml-rs v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1d0ab243148fb18aaff77ef0c583415d393dbd6cb56e9de7cee300f0f415299
[INFO] running `Command { std: "docker" "start" "-a" "b1d0ab243148fb18aaff77ef0c583415d393dbd6cb56e9de7cee300f0f415299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1d0ab243148fb18aaff77ef0c583415d393dbd6cb56e9de7cee300f0f415299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d0ab243148fb18aaff77ef0c583415d393dbd6cb56e9de7cee300f0f415299", kill_on_drop: false }`
[INFO] [stdout] b1d0ab243148fb18aaff77ef0c583415d393dbd6cb56e9de7cee300f0f415299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a175f54c95dceecd23093c9fdd56cec42e390b609716786bdddc8a8100dcc94a
[INFO] running `Command { std: "docker" "start" "-a" "a175f54c95dceecd23093c9fdd56cec42e390b609716786bdddc8a8100dcc94a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling mathru v0.9.1
[INFO] [stderr]    Compiling mathml-macros v0.1.1
[INFO] [stderr]    Compiling sbml-macros v0.1.1
[INFO] [stderr]    Compiling mathml-rs v0.1.2
[INFO] [stderr]    Compiling sbml-rs v0.1.1
[INFO] [stderr]    Compiling sbml-sim v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/integrators/euler.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut deltas: HashMap<String, f64> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assignments`
[INFO] [stdout]  --> src/integrators/euler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     assignments: &HashMap<String, f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assignments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_parameters`
[INFO] [stdout]   --> src/integrators/euler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     local_parameters: &HashMap<String, HashMap<String, f64>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `functions`
[INFO] [stdout]   --> src/integrators/euler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     functions: &HashMap<String, Vec<MathNode>>,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_functions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_size`
[INFO] [stdout]   --> src/integrators/euler.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     step_size: f64,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `derivative`
[INFO] [stdout]   --> src/integrators/euler.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let derivative = derivatives.get(species_id).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_derivative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compartment`
[INFO] [stdout]    --> src/structs/bindings.rs:525:29
[INFO] [stdout]     |
[INFO] [stdout] 525 |                         let compartment = &species.compartment;
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compartment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DEBUG` should have a snake case name
[INFO] [stdout]    --> src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let DEBUG = matches.is_present("debug");
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DEBUG` should have a snake case name
[INFO] [stdout]   --> src/integrators/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     DEBUG: bool,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mathru v0.9.1, quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a175f54c95dceecd23093c9fdd56cec42e390b609716786bdddc8a8100dcc94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a175f54c95dceecd23093c9fdd56cec42e390b609716786bdddc8a8100dcc94a", kill_on_drop: false }`
[INFO] [stdout] a175f54c95dceecd23093c9fdd56cec42e390b609716786bdddc8a8100dcc94a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d7ea0d15446f40af48cc9153d010c3dde4acc1d0c75c9e56d8bf71aa13d50d1
[INFO] running `Command { std: "docker" "start" "-a" "5d7ea0d15446f40af48cc9153d010c3dde4acc1d0c75c9e56d8bf71aa13d50d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sbml-sim v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/integrators/euler.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut deltas: HashMap<String, f64> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `assignments`
[INFO] [stdout]  --> src/integrators/euler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     assignments: &HashMap<String, f64>,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assignments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_parameters`
[INFO] [stdout]   --> src/integrators/euler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     local_parameters: &HashMap<String, HashMap<String, f64>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `functions`
[INFO] [stdout]   --> src/integrators/euler.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     functions: &HashMap<String, Vec<MathNode>>,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_functions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step_size`
[INFO] [stdout]   --> src/integrators/euler.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     step_size: f64,
[INFO] [stdout]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `derivative`
[INFO] [stdout]   --> src/integrators/euler.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let derivative = derivatives.get(species_id).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_derivative`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compartment`
[INFO] [stdout]    --> src/structs/bindings.rs:525:29
[INFO] [stdout]     |
[INFO] [stdout] 525 |                         let compartment = &species.compartment;
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compartment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DEBUG` should have a snake case name
[INFO] [stdout]    --> src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let DEBUG = matches.is_present("debug");
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DEBUG` should have a snake case name
[INFO] [stdout]   --> src/integrators/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     DEBUG: bool,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mathru v0.9.1, quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5d7ea0d15446f40af48cc9153d010c3dde4acc1d0c75c9e56d8bf71aa13d50d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7ea0d15446f40af48cc9153d010c3dde4acc1d0c75c9e56d8bf71aa13d50d1", kill_on_drop: false }`
[INFO] [stdout] 5d7ea0d15446f40af48cc9153d010c3dde4acc1d0c75c9e56d8bf71aa13d50d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4497d28b072b32f136dac30a20227d883f9994628273f1ed4701f9d432fc1a8
[INFO] running `Command { std: "docker" "start" "-a" "a4497d28b072b32f136dac30a20227d883f9994628273f1ed4701f9d432fc1a8", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/integrators/euler.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut deltas: HashMap<String, f64> = HashMap::new();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `assignments`
[INFO] [stderr]  --> src/integrators/euler.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     assignments: &HashMap<String, f64>,
[INFO] [stderr]   |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_assignments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local_parameters`
[INFO] [stderr]   --> src/integrators/euler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     local_parameters: &HashMap<String, HashMap<String, f64>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `functions`
[INFO] [stderr]   --> src/integrators/euler.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     functions: &HashMap<String, Vec<MathNode>>,
[INFO] [stderr]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_functions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `step_size`
[INFO] [stderr]   --> src/integrators/euler.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     step_size: f64,
[INFO] [stderr]    |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_step_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `derivative`
[INFO] [stderr]   --> src/integrators/euler.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let derivative = derivatives.get(species_id).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_derivative`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `compartment`
[INFO] [stderr]    --> src/structs/bindings.rs:525:29
[INFO] [stderr]     |
[INFO] [stderr] 525 |                         let compartment = &species.compartment;
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compartment`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DEBUG` should have a snake case name
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let DEBUG = matches.is_present("debug");
[INFO] [stderr]     |         ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DEBUG` should have a snake case name
[INFO] [stderr]   --> src/integrators/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     DEBUG: bool,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stderr] 
[INFO] [stderr] warning: `sbml-sim` (bin "sbml-sim" test) generated 9 warnings (run `cargo fix --bin "sbml-sim" -p sbml-sim --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mathru v0.9.1, quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sbml_sim-ac5a177fc2da1d20)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4497d28b072b32f136dac30a20227d883f9994628273f1ed4701f9d432fc1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4497d28b072b32f136dac30a20227d883f9994628273f1ed4701f9d432fc1a8", kill_on_drop: false }`
[INFO] [stdout] a4497d28b072b32f136dac30a20227d883f9994628273f1ed4701f9d432fc1a8
