[INFO] updating cached repository https://github.com/nebolax/Rust_HW4
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b25bed632a784a42b314c20f8124abe47b4214cb
[INFO] checking nebolax/Rust_HW4 against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebolax%2FRust_HW4" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nebolax/Rust_HW4 on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nebolax/Rust_HW4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad5e84d3c68b8649e72329ec32495a6ba2044002187d761671366b9d24e0b986
[INFO] running `"docker" "start" "-a" "ad5e84d3c68b8649e72329ec32495a6ba2044002187d761671366b9d24e0b986"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking untitled v0.1.0 (/opt/rustwide/workdir)
[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 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:35:9
[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:36:9
[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:37:9
[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: `kings_pos`
[INFO] [stderr]   --> src/main.rs:35:9
[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:36:9
[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:37:9
[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: 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] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[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: 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] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut ferz_pos: Vec<(i32, i32)> = Vec::new();
[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: 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] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `"docker" "inspect" "ad5e84d3c68b8649e72329ec32495a6ba2044002187d761671366b9d24e0b986"`
[INFO] running `"docker" "rm" "-f" "ad5e84d3c68b8649e72329ec32495a6ba2044002187d761671366b9d24e0b986"`
[INFO] [stdout] ad5e84d3c68b8649e72329ec32495a6ba2044002187d761671366b9d24e0b986