[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] checking BlinfoldKing/Tetrust against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlinfoldKing%2FTetrust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BlinfoldKing/Tetrust on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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-8/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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.49.0
[INFO] [stderr]   Downloaded core-foundation v0.6.2
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.38.0
[INFO] [stderr]   Downloaded piston-viewport v0.4.0
[INFO] [stderr]   Downloaded piston v0.38.0
[INFO] [stderr]   Downloaded pistoncore-window v0.33.0
[INFO] [stderr]   Downloaded pistoncore-input v0.22.0
[INFO] [stderr]   Downloaded gleam v0.6.5
[INFO] [stderr]   Downloaded piston2d-graphics v0.27.0
[INFO] [stderr]   Downloaded syn v0.15.18
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.55.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e6cfa4b736f883c9a1cc563c469a2f747a4972dada43efc17b8281ea8953f6
[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" "49e6cfa4b736f883c9a1cc563c469a2f747a4972dada43efc17b8281ea8953f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e6cfa4b736f883c9a1cc563c469a2f747a4972dada43efc17b8281ea8953f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e6cfa4b736f883c9a1cc563c469a2f747a4972dada43efc17b8281ea8953f6", kill_on_drop: false }`
[INFO] [stdout] 49e6cfa4b736f883c9a1cc563c469a2f747a4972dada43efc17b8281ea8953f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c55c24591013103ce86635946a1517fca4df8941b854c7bb3a9c45cdd5d8a4
[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" "14c55c24591013103ce86635946a1517fca4df8941b854c7bb3a9c45cdd5d8a4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking bitflags v1.0.4
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[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking either v1.5.0
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[INFO] [stderr]     Checking vecmath v0.3.1
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[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
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[INFO] [stderr]     Checking x11-dl v2.18.3
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[INFO] [stderr]     Checking wayland-client v0.20.12
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking piston2d-graphics v0.27.0
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking wayland-protocols v0.20.12
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
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[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-input v0.22.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.55.0
[INFO] [stderr]     Checking pistoncore-window v0.33.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.38.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.49.0
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[INFO] [stderr]     Checking 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] [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 1m 27s
[INFO] running `Command { std: "docker" "inspect" "14c55c24591013103ce86635946a1517fca4df8941b854c7bb3a9c45cdd5d8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c55c24591013103ce86635946a1517fca4df8941b854c7bb3a9c45cdd5d8a4", kill_on_drop: false }`
[INFO] [stdout] 14c55c24591013103ce86635946a1517fca4df8941b854c7bb3a9c45cdd5d8a4
