[INFO] cloning repository https://github.com/N9199/market_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/N9199/market_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN9199%2Fmarket_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN9199%2Fmarket_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eab7c2347a1ff010619ba8df46b9a0bec44ba70
[INFO] checking N9199/market_sim against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN9199%2Fmarket_sim" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/N9199/market_sim
[INFO] finished tweaking git repo https://github.com/N9199/market_sim
[INFO] tweaked toml for git repo https://github.com/N9199/market_sim written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/N9199/market_sim on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/N9199/market_sim 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rusqlite/rusqlite`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sum_type v0.2.0
[INFO] [stderr]   Downloaded vcpkg v0.2.11
[INFO] [stderr]   Downloaded hashlink v0.6.0
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fab64a01bfb661e240fffc21427f396dd4a9f713e8ae6808b23fc642938e17d2
[INFO] running `Command { std: "docker" "start" "-a" "fab64a01bfb661e240fffc21427f396dd4a9f713e8ae6808b23fc642938e17d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab64a01bfb661e240fffc21427f396dd4a9f713e8ae6808b23fc642938e17d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab64a01bfb661e240fffc21427f396dd4a9f713e8ae6808b23fc642938e17d2", kill_on_drop: false }`
[INFO] [stdout] fab64a01bfb661e240fffc21427f396dd4a9f713e8ae6808b23fc642938e17d2
[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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864011a4bfdf2ea0d3ed20684d66c89577af1a9699e4f276afae064534abc2a6
[INFO] running `Command { std: "docker" "start" "-a" "864011a4bfdf2ea0d3ed20684d66c89577af1a9699e4f276afae064534abc2a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking sum_type v0.2.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.21.0 (https://github.com/rusqlite/rusqlite#bd96f61e)
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rusqlite v0.24.2 (https://github.com/rusqlite/rusqlite#bd96f61e)
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking market_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `sqlIO` should have an upper camel case name
[INFO] [stdout]  --> src/io/sql.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sqlIO {
[INFO] [stdout]   |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `SqlIo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `stdIO` should have an upper camel case name
[INFO] [stdout]  --> src/io/stdio.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct stdIO {}
[INFO] [stdout]   |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `StdIo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`, and `warn`
[INFO] [stdout]  --> src/simulation/sim.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, info, warn};
[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: `Company`
[INFO] [stdout]  --> src/main.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use simulation::sim::{sim, Company};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sqlIO` should have an upper camel case name
[INFO] [stdout]  --> src/io/sql.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sqlIO {
[INFO] [stdout]   |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `SqlIo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `stdIO` should have an upper camel case name
[INFO] [stdout]  --> src/io/stdio.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct stdIO {}
[INFO] [stdout]   |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `StdIo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`, and `warn`
[INFO] [stdout]  --> src/simulation/sim.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, info, warn};
[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: `Company`
[INFO] [stdout]  --> src/main.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 | use simulation::sim::{sim, Company};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `price`
[INFO] [stdout]   --> src/io/sql.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for (id, price) in info {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_price`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/io/sql.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let time: usize = temp.last().unwrap_or(Ok(0))?;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/sql.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io/stdio.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/stdio.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io/stdio.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let info = fs::read_to_string(file)?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/io.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn load(&mut self, file: &str) -> Result<BTreeMap<usize, Company>, Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/simulation/sim.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     out: T,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `save`, and `load` are never used
[INFO] [stdout]   --> src/io.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait IO {
[INFO] [stdout]    |           -- methods in this trait
[INFO] [stdout] 15 |     // Writes info to stdout, where each element of info is a company id with it's price.
[INFO] [stdout] 16 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 17 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 18 |     fn load(&mut self, file: &str) -> Result<BTreeMap<usize, Company>, Error>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `sqlIO` is never constructed
[INFO] [stdout]  --> src/io/sql.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sqlIO {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `stdIO` is never constructed
[INFO] [stdout]  --> src/io/stdio.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct stdIO {}
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `bankrupt` are never read
[INFO] [stdout]   --> src/simulation/sim.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Company {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     pub id: usize, // Unique ID
[INFO] [stdout]    |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     bankrupt: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Company` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/simulation/sim.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Company {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn load(
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `eps` should have an upper case name
[INFO] [stdout]   --> src/simulation/sim.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const eps: f64 = 0.001;
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 10 - const eps: f64 = 0.001;
[INFO] [stdout] 10 + const EPS: f64 = 0.001;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `price`
[INFO] [stdout]   --> src/io/sql.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for (id, price) in info {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_price`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/io/sql.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let time: usize = temp.last().unwrap_or(Ok(0))?;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/sql.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io/stdio.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io/stdio.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io/stdio.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let info = fs::read_to_string(file)?;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/io.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `companies`
[INFO] [stdout]   --> src/io.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error> {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_companies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/io.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn load(&mut self, file: &str) -> Result<BTreeMap<usize, Company>, Error> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/simulation/sim.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     out: T,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `save`, and `load` are never used
[INFO] [stdout]   --> src/io.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait IO {
[INFO] [stdout]    |           -- methods in this trait
[INFO] [stdout] 15 |     // Writes info to stdout, where each element of info is a company id with it's price.
[INFO] [stdout] 16 |     fn write(&mut self, info: &Vec<(usize, f64)>) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 17 |     fn save(&mut self, companies: &BTreeMap<usize, Company>) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 18 |     fn load(&mut self, file: &str) -> Result<BTreeMap<usize, Company>, Error>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `sqlIO` is never constructed
[INFO] [stdout]  --> src/io/sql.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct sqlIO {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `stdIO` is never constructed
[INFO] [stdout]  --> src/io/stdio.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct stdIO {}
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `bankrupt` are never read
[INFO] [stdout]   --> src/simulation/sim.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Company {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     pub id: usize, // Unique ID
[INFO] [stdout]    |         ^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     bankrupt: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Company` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load` is never used
[INFO] [stdout]   --> src/simulation/sim.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Company {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn load(
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `eps` should have an upper case name
[INFO] [stdout]   --> src/simulation/sim.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const eps: f64 = 0.001;
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 10 - const eps: f64 = 0.001;
[INFO] [stdout] 10 + const EPS: f64 = 0.001;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "864011a4bfdf2ea0d3ed20684d66c89577af1a9699e4f276afae064534abc2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864011a4bfdf2ea0d3ed20684d66c89577af1a9699e4f276afae064534abc2a6", kill_on_drop: false }`
[INFO] [stdout] 864011a4bfdf2ea0d3ed20684d66c89577af1a9699e4f276afae064534abc2a6
