[INFO] cloning repository https://github.com/BlinfoldKing/Tetrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlinfoldKing/Tetrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2FTetrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2FTetrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4d8a6ad3327687bde3e8fb9e76779148328696d
[INFO] testing BlinfoldKing/Tetrust against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2FTetrust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlinfoldKing/Tetrust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BlinfoldKing/Tetrust
[INFO] finished tweaking git repo https://github.com/BlinfoldKing/Tetrust
[INFO] tweaked toml for git repo https://github.com/BlinfoldKing/Tetrust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BlinfoldKing/Tetrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 771487d222449a267e929f67491b5be53e5821c4d87cc387a1fd1c80cea11906
[INFO] running `Command { std: "docker" "start" "-a" "771487d222449a267e929f67491b5be53e5821c4d87cc387a1fd1c80cea11906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "771487d222449a267e929f67491b5be53e5821c4d87cc387a1fd1c80cea11906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771487d222449a267e929f67491b5be53e5821c4d87cc387a1fd1c80cea11906", kill_on_drop: false }`
[INFO] [stdout] 771487d222449a267e929f67491b5be53e5821c4d87cc387a1fd1c80cea11906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 235c25df4f448405681fafda556b4314e9c9c5c4b7f5a96fdb6a863d987d3d40
[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" "235c25df4f448405681fafda556b4314e9c9c5c4b7f5a96fdb6a863d987d3d40", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling piston-viewport v0.4.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling stb_truetype v0.2.4
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling piston2d-graphics v0.27.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling smithay-client-toolkit v0.3.0
[INFO] [stderr]    Compiling winit v0.17.2
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling pistoncore-input v0.22.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.55.0
[INFO] [stderr]    Compiling pistoncore-window v0.33.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.38.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.49.0
[INFO] [stderr]    Compiling piston v0.38.0
[INFO] [stderr]    Compiling Tetrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if let Some(r) = e.render_args() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/main.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if let Some(u) = e.update_args() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let mut tmp = self.shape[i][j];
[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: field is never read: `score`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     score: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gl`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     gl: GlGraphics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]    --> src/main.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn rotate(&mut self, n: u16) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Tetrust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tetrust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `i_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:191:7
[INFO] [stdout]     |
[INFO] [stdout] 191 | const i_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `I_BLOCK`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `o_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:198:7
[INFO] [stdout]     |
[INFO] [stdout] 198 | const o_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `O_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `t_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:205:7
[INFO] [stdout]     |
[INFO] [stdout] 205 | const t_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `T_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 212 | const s_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `S_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `z_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:219:7
[INFO] [stdout]     |
[INFO] [stdout] 219 | const z_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `Z_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `j_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:226:7
[INFO] [stdout]     |
[INFO] [stdout] 226 | const j_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `J_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `l_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:233:7
[INFO] [stdout]     |
[INFO] [stdout] 233 | const l_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `L_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `block_type` should have an upper case name
[INFO] [stdout]    --> src/main.rs:240:7
[INFO] [stdout]     |
[INFO] [stdout] 240 | const block_type: [[[u8; 4]; 4]; 7] = [
[INFO] [stdout]     |       ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 25s
[INFO] running `Command { std: "docker" "inspect" "235c25df4f448405681fafda556b4314e9c9c5c4b7f5a96fdb6a863d987d3d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235c25df4f448405681fafda556b4314e9c9c5c4b7f5a96fdb6a863d987d3d40", kill_on_drop: false }`
[INFO] [stdout] 235c25df4f448405681fafda556b4314e9c9c5c4b7f5a96fdb6a863d987d3d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943c1f84b8f3c0f8cc7231954c63e08131691d54b20f8ca723aacfc79a4459d8
[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" "943c1f84b8f3c0f8cc7231954c63e08131691d54b20f8ca723aacfc79a4459d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling Tetrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if let Some(r) = e.render_args() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/main.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if let Some(u) = e.update_args() {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let mut tmp = self.shape[i][j];
[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: field is never read: `score`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     score: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `gl`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     gl: GlGraphics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]    --> src/main.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn rotate(&mut self, n: u16) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Tetrust` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tetrust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `i_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:191:7
[INFO] [stdout]     |
[INFO] [stdout] 191 | const i_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `I_BLOCK`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `o_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:198:7
[INFO] [stdout]     |
[INFO] [stdout] 198 | const o_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `O_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `t_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:205:7
[INFO] [stdout]     |
[INFO] [stdout] 205 | const t_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `T_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:212:7
[INFO] [stdout]     |
[INFO] [stdout] 212 | const s_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `S_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `z_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:219:7
[INFO] [stdout]     |
[INFO] [stdout] 219 | const z_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `Z_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `j_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:226:7
[INFO] [stdout]     |
[INFO] [stdout] 226 | const j_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `J_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `l_block` should have an upper case name
[INFO] [stdout]    --> src/main.rs:233:7
[INFO] [stdout]     |
[INFO] [stdout] 233 | const l_block: [[u8; 4]; 4] = [
[INFO] [stdout]     |       ^^^^^^^ help: convert the identifier to upper case: `L_BLOCK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `block_type` should have an upper case name
[INFO] [stdout]    --> src/main.rs:240:7
[INFO] [stdout]     |
[INFO] [stdout] 240 | const block_type: [[[u8; 4]; 4]; 7] = [
[INFO] [stdout]     |       ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "943c1f84b8f3c0f8cc7231954c63e08131691d54b20f8ca723aacfc79a4459d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943c1f84b8f3c0f8cc7231954c63e08131691d54b20f8ca723aacfc79a4459d8", kill_on_drop: false }`
[INFO] [stdout] 943c1f84b8f3c0f8cc7231954c63e08131691d54b20f8ca723aacfc79a4459d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30a7d3c4de4070d0145bbb6fc66294c1c216077f6d6e839d41165bb386ebc599
[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" "30a7d3c4de4070d0145bbb6fc66294c1c216077f6d6e839d41165bb386ebc599", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/main.rs:42:21
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if let Some(r) = e.render_args() {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/main.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if let Some(u) = e.update_args() {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:161:25
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     let mut tmp = self.shape[i][j];
[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: field is never read: `score`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     score: u64,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `gl`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     gl: GlGraphics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rotate`
[INFO] [stderr]    --> src/main.rs:157:8
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn rotate(&mut self, n: u16) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Tetrust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `tetrust`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `i_block` should have an upper case name
[INFO] [stderr]    --> src/main.rs:191:7
[INFO] [stderr]     |
[INFO] [stderr] 191 | const i_block: [[u8; 4]; 4] = [
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `I_BLOCK`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `o_block` should have an upper case name
[INFO] [stderr]    --> src/main.rs:198:7
[INFO] [stderr]     |
[INFO] [stderr] 198 | const o_block: [[u8; 4]; 4] = [
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `O_BLOCK`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `t_block` should have an upper case name
[INFO] [stderr]    --> src/main.rs:205:7
[INFO] [stderr]     |
[INFO] [stderr] 205 | const t_block: [[u8; 4]; 4] = [
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `T_BLOCK`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `s_block` should have an upper case name
[INFO] [stderr]    --> src/main.rs:212:7
[INFO] [stderr]     |
[INFO] [stderr] 212 | const s_block: [[u8; 4]; 4] = [
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `S_BLOCK`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `z_block` should have an upper case name
[INFO] [stderr]    --> src/main.rs:219:7
[INFO] [stderr]     |
[INFO] [stderr] 219 | const z_block: [[u8; 4]; 4] = [
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `Z_BLOCK`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `j_block` should have an upper case name
[INFO] [stderr]    --> src/main.rs:226:7
[INFO] [stderr]     |
[INFO] [stderr] 226 | const j_block: [[u8; 4]; 4] = [
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `J_BLOCK`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `l_block` should have an upper case name
[INFO] [stderr]    --> src/main.rs:233:7
[INFO] [stderr]     |
[INFO] [stderr] 233 | const l_block: [[u8; 4]; 4] = [
[INFO] [stderr]     |       ^^^^^^^ help: convert the identifier to upper case: `L_BLOCK`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `block_type` should have an upper case name
[INFO] [stderr]    --> src/main.rs:240:7
[INFO] [stderr]     |
[INFO] [stderr] 240 | const block_type: [[[u8; 4]; 4]; 7] = [
[INFO] [stderr]     |       ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_TYPE`
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Tetrust-538e69165b8f6040
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30a7d3c4de4070d0145bbb6fc66294c1c216077f6d6e839d41165bb386ebc599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a7d3c4de4070d0145bbb6fc66294c1c216077f6d6e839d41165bb386ebc599", kill_on_drop: false }`
[INFO] [stdout] 30a7d3c4de4070d0145bbb6fc66294c1c216077f6d6e839d41165bb386ebc599
