[INFO] cloning repository https://github.com/nebolax/Rust_HW4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nebolax/Rust_HW4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebolax%2FRust_HW4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebolax%2FRust_HW4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b25bed632a784a42b314c20f8124abe47b4214cb
[INFO] testing nebolax/Rust_HW4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebolax%2FRust_HW4" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nebolax/Rust_HW4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nebolax/Rust_HW4
[INFO] finished tweaking git repo https://github.com/nebolax/Rust_HW4
[INFO] tweaked toml for git repo https://github.com/nebolax/Rust_HW4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nebolax/Rust_HW4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57049bfbf8fd6535f1754f535ee37c613246e5a9943ed408ad9587b9e36ae2d8
[INFO] running `Command { std: "docker" "start" "-a" "57049bfbf8fd6535f1754f535ee37c613246e5a9943ed408ad9587b9e36ae2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57049bfbf8fd6535f1754f535ee37c613246e5a9943ed408ad9587b9e36ae2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57049bfbf8fd6535f1754f535ee37c613246e5a9943ed408ad9587b9e36ae2d8", kill_on_drop: false }`
[INFO] [stdout] 57049bfbf8fd6535f1754f535ee37c613246e5a9943ed408ad9587b9e36ae2d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6695fd0d546fe93a77cd655f9e00bb851cb883c34a113d603bd7779e9b1c5a0b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6695fd0d546fe93a77cd655f9e00bb851cb883c34a113d603bd7779e9b1c5a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Figures::TraitFig::Figure`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Figures::TraitFig::Figure;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Figures::Ferzy::Ferzy`
[INFO] [stdout]  --> src/Figures/TraitFig.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Figures::Ferzy::Ferzy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kings_pos`
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut kings_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kings_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ferz_pos`
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ferz_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lads_pos`
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut lads_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lads_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for i in 0..much_kings {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in 0..much_ferz {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     for i in 0..much_lads {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/Field.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             for a in 0..8 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/Field.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             for a in 0..8 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/Field.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             for a in 0..8 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut kings_pos: Vec<(i32, i32)> = Vec::new();
[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/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[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/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut lads_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/Field.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     data : Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Figures` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod Figures;
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `figures`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Field` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod Field;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TraitFig` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod TraitFig;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `trait_fig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Ferzy` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod Ferzy;
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case (notice the capitalization): `ferzy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `King` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod King;
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `king`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Ladya` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub mod Ladya;
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case: `ladya`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.11s
[INFO] running `Command { std: "docker" "inspect" "6695fd0d546fe93a77cd655f9e00bb851cb883c34a113d603bd7779e9b1c5a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6695fd0d546fe93a77cd655f9e00bb851cb883c34a113d603bd7779e9b1c5a0b", kill_on_drop: false }`
[INFO] [stdout] 6695fd0d546fe93a77cd655f9e00bb851cb883c34a113d603bd7779e9b1c5a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327de9e8f2e41d3a559aa9f04eea7df4ced44442da522fff19fd32d3f268623b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "327de9e8f2e41d3a559aa9f04eea7df4ced44442da522fff19fd32d3f268623b", kill_on_drop: false }`
[INFO] [stderr]    Compiling untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Figures::TraitFig::Figure`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Figures::TraitFig::Figure;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Figures::Ferzy::Ferzy`
[INFO] [stdout]  --> src/Figures/TraitFig.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Figures::Ferzy::Ferzy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kings_pos`
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut kings_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kings_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ferz_pos`
[INFO] [stdout]   --> src/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ferz_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lads_pos`
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut lads_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lads_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     for i in 0..much_kings {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for i in 0..much_ferz {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     for i in 0..much_lads {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/Field.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             for a in 0..8 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/Field.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             for a in 0..8 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/Field.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             for a in 0..8 {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut kings_pos: Vec<(i32, i32)> = Vec::new();
[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/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[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/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut lads_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/Field.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     data : Vec<Vec<i32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Figures` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod Figures;
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `figures`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Field` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod Field;
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TraitFig` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod TraitFig;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `trait_fig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Ferzy` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod Ferzy;
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case (notice the capitalization): `ferzy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `King` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod King;
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `king`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Ladya` should have a snake case name
[INFO] [stdout]  --> src/Figures/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub mod Ladya;
[INFO] [stdout]   |         ^^^^^ help: convert the identifier to snake case: `ladya`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "327de9e8f2e41d3a559aa9f04eea7df4ced44442da522fff19fd32d3f268623b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327de9e8f2e41d3a559aa9f04eea7df4ced44442da522fff19fd32d3f268623b", kill_on_drop: false }`
[INFO] [stdout] 327de9e8f2e41d3a559aa9f04eea7df4ced44442da522fff19fd32d3f268623b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b9d5e0acbe1580ce45e2e69ca3ab412e935111f4a4a5f1e68d7a8ac37b26656
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b9d5e0acbe1580ce45e2e69ca3ab412e935111f4a4a5f1e68d7a8ac37b26656", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::Figures::TraitFig::Figure`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::Figures::TraitFig::Figure;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Figures::Ferzy::Ferzy`
[INFO] [stderr]  --> src/Figures/TraitFig.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::Figures::Ferzy::Ferzy;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kings_pos`
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut kings_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kings_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ferz_pos`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ferz_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lads_pos`
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut lads_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lads_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     for i in 0..much_kings {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     for i in 0..much_ferz {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     for i in 0..much_lads {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/Field.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |             for a in 0..8 {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/Field.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |             for a in 0..8 {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/Field.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             for a in 0..8 {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut kings_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stdout] 
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut lads_pos: Vec<(i32, i32)> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]  --> src/Field.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     data : Vec<Vec<i32>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Figures` should have a snake case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod Figures;
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `figures`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Field` should have a snake case name
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod Field;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case (notice the capitalization): `field`
[INFO] [stderr] 
[INFO] [stderr] warning: module `TraitFig` should have a snake case name
[INFO] [stderr]  --> src/Figures/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod TraitFig;
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `trait_fig`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Ferzy` should have a snake case name
[INFO] [stderr]  --> src/Figures/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod Ferzy;
[INFO] [stderr]   |         ^^^^^ help: convert the identifier to snake case (notice the capitalization): `ferzy`
[INFO] [stderr] 
[INFO] [stderr] warning: module `King` should have a snake case name
[INFO] [stderr]  --> src/Figures/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod King;
[INFO] [stderr]   |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `king`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Ladya` should have a snake case name
[INFO] [stderr]  --> src/Figures/mod.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub mod Ladya;
[INFO] [stderr]   |         ^^^^^ help: convert the identifier to snake case: `ladya`
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/untitled-cba8ab53fe96ab40)
[INFO] running `Command { std: "docker" "inspect" "8b9d5e0acbe1580ce45e2e69ca3ab412e935111f4a4a5f1e68d7a8ac37b26656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9d5e0acbe1580ce45e2e69ca3ab412e935111f4a4a5f1e68d7a8ac37b26656", kill_on_drop: false }`
[INFO] [stdout] 8b9d5e0acbe1580ce45e2e69ca3ab412e935111f4a4a5f1e68d7a8ac37b26656