[INFO] cloning repository https://github.com/shibaholic/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shibaholic/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibaholic%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibaholic%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 854f7ac184d2ff77f848f74b744406a6e39a3739
[INFO] checking shibaholic/rust_practice against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibaholic%2Frust_practice" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[INFO] checking shibaholic/rust_practice against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibaholic%2Frust_practice" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-1-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.filemode' to 'true'
[INFO] checking shibaholic/rust_practice against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshibaholic%2Frust_practice" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shibaholic/rust_practice
[INFO] finished tweaking git repo https://github.com/shibaholic/rust_practice
[INFO] tweaked toml for git repo https://github.com/shibaholic/rust_practice written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shibaholic/rust_practice on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shibaholic/rust_practice 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cf869bdcdc4d381784b70851e8f81b051eab8f610b690ca8d069abcd814c328
[INFO] running `Command { std: "docker" "start" "-a" "3cf869bdcdc4d381784b70851e8f81b051eab8f610b690ca8d069abcd814c328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cf869bdcdc4d381784b70851e8f81b051eab8f610b690ca8d069abcd814c328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf869bdcdc4d381784b70851e8f81b051eab8f610b690ca8d069abcd814c328", kill_on_drop: false }`
[INFO] [stdout] 3cf869bdcdc4d381784b70851e8f81b051eab8f610b690ca8d069abcd814c328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b1f5504a0df970090bb1cb3ebcdc5b86bcdc3e4c9f7353fd80b68593ca48d5
[INFO] running `Command { std: "docker" "start" "-a" "d4b1f5504a0df970090bb1cb3ebcdc5b86bcdc3e4c9f7353fd80b68593ca48d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `state` should have an upper camel case name
[INFO] [stdout]  --> src/guess_number.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum state {
[INFO] [stdout]   |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `State`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `state` should have an upper camel case name
[INFO] [stdout]  --> src/guess_number.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum state {
[INFO] [stdout]   |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `State`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_coordinate`
[INFO] [stdout]   --> src/point_point_dist.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut y_coordinate = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_coordinate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/point_point_dist.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut y_coordinate = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y_coordinate`
[INFO] [stdout]   --> src/point_point_dist.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut y_coordinate = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_y_coordinate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/point_point_dist.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut y_coordinate = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tricoord_conv.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut tricord = TriCoord::<i16> { a: 0, b: 0, c:0 };
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tricoord_conv.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut tricord = TriCoord::<i16> { a: 0, b: 0, c:0 };
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]   --> src/tricoord_conv.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 |      let sum = tricoord.a + tricoord.b + tricoord.c;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]   --> src/tricoord_conv.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 |      let sum = tricoord.a + tricoord.b + tricoord.c;
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `brute_force` is never used
[INFO] [stdout]   --> src/prime.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn brute_force(number:i32, multiples: &mut Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trail_division` is never used
[INFO] [stdout]   --> src/prime.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn trail_division(number:u64, multiples: &mut Vec<u64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_SIDE` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TRI_SIDE:f32 = 1.0;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_ALTITUDE` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TRI_ALTITUDE:f32 = 0.866025404;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_HALF_ALT` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const TRI_HALF_ALT:f32 = 0.433012702;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_APOTHEM` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const TRI_APOTHEM:f32 = 0.288675135;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHUNK_HALF_ALTITUDE` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const CHUNK_HALF_ALTITUDE:f64 = 6.92820323;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `brute_force` is never used
[INFO] [stdout]   --> src/prime.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn brute_force(number:i32, multiples: &mut Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trail_division` is never used
[INFO] [stdout]   --> src/prime.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn trail_division(number:u64, multiples: &mut Vec<u64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_SIDE` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TRI_SIDE:f32 = 1.0;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_ALTITUDE` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TRI_ALTITUDE:f32 = 0.866025404;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_HALF_ALT` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const TRI_HALF_ALT:f32 = 0.433012702;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRI_APOTHEM` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const TRI_APOTHEM:f32 = 0.288675135;
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHUNK_HALF_ALTITUDE` is never used
[INFO] [stdout]   --> src/tricoord_conv.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const CHUNK_HALF_ALTITUDE:f64 = 6.92820323;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/guess_number.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 io::stdout().flush(); // allows the print above to not need ln
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 let _ = io::stdout().flush(); // allows the print above to not need ln
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_number_O1` should have a snake case name
[INFO] [stdout]    --> src/tricoord_conv.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn triangular_number_O1(n: i16) -> i16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `triangular_number_o1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/guess_number.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 io::stdout().flush(); // allows the print above to not need ln
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 let _ = io::stdout().flush(); // allows the print above to not need ln
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `triangular_number_O1` should have a snake case name
[INFO] [stdout]    --> src/tricoord_conv.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn triangular_number_O1(n: i16) -> i16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `triangular_number_o1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::fizzbuzz::fizzbuzz`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_practice::fizzbuzz::fizzbuzz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::guess_number::guess_number`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_practice::guess_number::guess_number;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::prime::is_prime`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_practice::prime::is_prime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::point_point_dist::point_point_dist`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_practice::point_point_dist::point_point_dist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TriCoord` and `tricoord_tester`
[INFO] [stdout]  --> src/main.rs:5:83
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rust_practice::tricoord_conv::{triangular_number_O1, triangular_number_naive, tricoord_tester, TriCoord};
[INFO] [stdout]   |                                                                                   ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::fizzbuzz::fizzbuzz`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_practice::fizzbuzz::fizzbuzz;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::guess_number::guess_number`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_practice::guess_number::guess_number;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::prime::is_prime`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_practice::prime::is_prime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_practice::point_point_dist::point_point_dist`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_practice::point_point_dist::point_point_dist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TriCoord` and `tricoord_tester`
[INFO] [stdout]  --> src/main.rs:5:83
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rust_practice::tricoord_conv::{triangular_number_O1, triangular_number_naive, tricoord_tester, TriCoord};
[INFO] [stdout]   |                                                                                   ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "d4b1f5504a0df970090bb1cb3ebcdc5b86bcdc3e4c9f7353fd80b68593ca48d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b1f5504a0df970090bb1cb3ebcdc5b86bcdc3e4c9f7353fd80b68593ca48d5", kill_on_drop: false }`
[INFO] [stdout] d4b1f5504a0df970090bb1cb3ebcdc5b86bcdc3e4c9f7353fd80b68593ca48d5