[INFO] updating cached repository BlinfoldKing/Tetrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BlinfoldKing/Tetrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BlinfoldKing/Tetrust" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/BlinfoldKing/Tetrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/BlinfoldKing/Tetrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BlinfoldKing/Tetrust" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/BlinfoldKing/Tetrust"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/BlinfoldKing/Tetrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4d8a6ad3327687bde3e8fb9e76779148328696d
[INFO] sha for GitHub repo BlinfoldKing/Tetrust: d4d8a6ad3327687bde3e8fb9e76779148328696d
[INFO] validating manifest of BlinfoldKing/Tetrust on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BlinfoldKing/Tetrust on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BlinfoldKing/Tetrust
[INFO] finished frobbing BlinfoldKing/Tetrust
[INFO] frobbed toml for BlinfoldKing/Tetrust written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/BlinfoldKing/Tetrust/Cargo.toml
[INFO] started frobbing BlinfoldKing/Tetrust
[INFO] finished frobbing BlinfoldKing/Tetrust
[INFO] frobbed toml for BlinfoldKing/Tetrust written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/BlinfoldKing/Tetrust/Cargo.toml
[INFO] crate BlinfoldKing/Tetrust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking BlinfoldKing/Tetrust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/BlinfoldKing/Tetrust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4e06bff6635e8fca046b2dfb4c31b1e25ef866bd4d489cca87b632c656680fd6
[INFO] running `"docker" "start" "-a" "4e06bff6635e8fca046b2dfb4c31b1e25ef866bd4d489cca87b632c656680fd6"`
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking pistoncore-input v0.22.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.3.0
[INFO] [stderr]     Checking piston2d-graphics v0.27.0
[INFO] [stderr]     Checking winit v0.17.2
[INFO] [stderr]     Checking pistoncore-window v0.33.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.38.0
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking glutin v0.18.0
[INFO] [stderr]     Checking piston v0.38.0
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.49.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.55.0
[INFO] [stderr]     Checking Tetrust v0.1.0 (/opt/crater/workdir)
[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: consider using `_r` instead
[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: consider using `_u` instead
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `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 used: `gl`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     gl: GlGraphics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate`
[INFO] [stderr]    --> src/main.rs:157:5
[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 such as `tetrust`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `i_block` should have an upper case name such as `I_BLOCK`
[INFO] [stderr]    --> src/main.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / const i_block: [[u8; 4]; 4] = [
[INFO] [stderr] 192 | |     [0, 0, 0, 0],
[INFO] [stderr] 193 | |     [1, 1, 1, 1],
[INFO] [stderr] 194 | |     [0, 0, 0, 0],
[INFO] [stderr] 195 | |     [0, 0, 0, 0]
[INFO] [stderr] 196 | | ];
[INFO] [stderr]     | |__^
[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 such as `O_BLOCK`
[INFO] [stderr]    --> src/main.rs:198:1
[INFO] [stderr]     |
[INFO] [stderr] 198 | / const o_block: [[u8; 4]; 4] = [
[INFO] [stderr] 199 | |     [0, 2, 2, 0],
[INFO] [stderr] 200 | |     [0, 2, 2, 0],
[INFO] [stderr] 201 | |     [0, 0, 0, 0],
[INFO] [stderr] 202 | |     [0, 0, 0, 0],
[INFO] [stderr] 203 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `t_block` should have an upper case name such as `T_BLOCK`
[INFO] [stderr]    --> src/main.rs:205:1
[INFO] [stderr]     |
[INFO] [stderr] 205 | / const t_block: [[u8; 4]; 4] = [
[INFO] [stderr] 206 | |     [0, 3, 0, 0],
[INFO] [stderr] 207 | |     [3, 3, 3, 0],
[INFO] [stderr] 208 | |     [0, 0, 0, 0],
[INFO] [stderr] 209 | |     [0, 0, 0, 0]
[INFO] [stderr] 210 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `s_block` should have an upper case name such as `S_BLOCK`
[INFO] [stderr]    --> src/main.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | / const s_block: [[u8; 4]; 4] = [
[INFO] [stderr] 213 | |     [0, 4, 4, 0],
[INFO] [stderr] 214 | |     [4, 4, 0, 0],
[INFO] [stderr] 215 | |     [0, 0, 0, 0],
[INFO] [stderr] 216 | |     [0, 0, 0, 0]
[INFO] [stderr] 217 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `z_block` should have an upper case name such as `Z_BLOCK`
[INFO] [stderr]    --> src/main.rs:219:1
[INFO] [stderr]     |
[INFO] [stderr] 219 | / const z_block: [[u8; 4]; 4] = [
[INFO] [stderr] 220 | |     [5, 5, 0, 0],
[INFO] [stderr] 221 | |     [0, 5, 5, 0],
[INFO] [stderr] 222 | |     [0, 0, 0, 0],
[INFO] [stderr] 223 | |     [0, 0, 0, 0]
[INFO] [stderr] 224 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `j_block` should have an upper case name such as `J_BLOCK`
[INFO] [stderr]    --> src/main.rs:226:1
[INFO] [stderr]     |
[INFO] [stderr] 226 | / const j_block: [[u8; 4]; 4] = [
[INFO] [stderr] 227 | |     [0, 6, 0, 0],
[INFO] [stderr] 228 | |     [0, 6, 0, 0],
[INFO] [stderr] 229 | |     [6, 6, 0, 0],
[INFO] [stderr] 230 | |     [0, 0, 0, 0]
[INFO] [stderr] 231 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `l_block` should have an upper case name such as `L_BLOCK`
[INFO] [stderr]    --> src/main.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | / const l_block: [[u8; 4]; 4] = [
[INFO] [stderr] 234 | |     [7, 0, 0, 0],
[INFO] [stderr] 235 | |     [7, 0, 0, 0],
[INFO] [stderr] 236 | |     [7, 7, 0, 0],
[INFO] [stderr] 237 | |     [0, 0, 0, 0]
[INFO] [stderr] 238 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `block_type` should have an upper case name such as `BLOCK_TYPE`
[INFO] [stderr]    --> src/main.rs:240:1
[INFO] [stderr]     |
[INFO] [stderr] 240 | / const block_type: [[[u8; 4]; 4]; 7] = [
[INFO] [stderr] 241 | |     i_block,
[INFO] [stderr] 242 | |     o_block,
[INFO] [stderr] 243 | |     t_block,
[INFO] [stderr] ...   |
[INFO] [stderr] 247 | |     l_block
[INFO] [stderr] 248 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[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: consider using `_r` instead
[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: consider using `_u` instead
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `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 used: `gl`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     gl: GlGraphics,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate`
[INFO] [stderr]    --> src/main.rs:157:5
[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 such as `tetrust`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `i_block` should have an upper case name such as `I_BLOCK`
[INFO] [stderr]    --> src/main.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / const i_block: [[u8; 4]; 4] = [
[INFO] [stderr] 192 | |     [0, 0, 0, 0],
[INFO] [stderr] 193 | |     [1, 1, 1, 1],
[INFO] [stderr] 194 | |     [0, 0, 0, 0],
[INFO] [stderr] 195 | |     [0, 0, 0, 0]
[INFO] [stderr] 196 | | ];
[INFO] [stderr]     | |__^
[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 such as `O_BLOCK`
[INFO] [stderr]    --> src/main.rs:198:1
[INFO] [stderr]     |
[INFO] [stderr] 198 | / const o_block: [[u8; 4]; 4] = [
[INFO] [stderr] 199 | |     [0, 2, 2, 0],
[INFO] [stderr] 200 | |     [0, 2, 2, 0],
[INFO] [stderr] 201 | |     [0, 0, 0, 0],
[INFO] [stderr] 202 | |     [0, 0, 0, 0],
[INFO] [stderr] 203 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `t_block` should have an upper case name such as `T_BLOCK`
[INFO] [stderr]    --> src/main.rs:205:1
[INFO] [stderr]     |
[INFO] [stderr] 205 | / const t_block: [[u8; 4]; 4] = [
[INFO] [stderr] 206 | |     [0, 3, 0, 0],
[INFO] [stderr] 207 | |     [3, 3, 3, 0],
[INFO] [stderr] 208 | |     [0, 0, 0, 0],
[INFO] [stderr] 209 | |     [0, 0, 0, 0]
[INFO] [stderr] 210 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `s_block` should have an upper case name such as `S_BLOCK`
[INFO] [stderr]    --> src/main.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | / const s_block: [[u8; 4]; 4] = [
[INFO] [stderr] 213 | |     [0, 4, 4, 0],
[INFO] [stderr] 214 | |     [4, 4, 0, 0],
[INFO] [stderr] 215 | |     [0, 0, 0, 0],
[INFO] [stderr] 216 | |     [0, 0, 0, 0]
[INFO] [stderr] 217 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `z_block` should have an upper case name such as `Z_BLOCK`
[INFO] [stderr]    --> src/main.rs:219:1
[INFO] [stderr]     |
[INFO] [stderr] 219 | / const z_block: [[u8; 4]; 4] = [
[INFO] [stderr] 220 | |     [5, 5, 0, 0],
[INFO] [stderr] 221 | |     [0, 5, 5, 0],
[INFO] [stderr] 222 | |     [0, 0, 0, 0],
[INFO] [stderr] 223 | |     [0, 0, 0, 0]
[INFO] [stderr] 224 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `j_block` should have an upper case name such as `J_BLOCK`
[INFO] [stderr]    --> src/main.rs:226:1
[INFO] [stderr]     |
[INFO] [stderr] 226 | / const j_block: [[u8; 4]; 4] = [
[INFO] [stderr] 227 | |     [0, 6, 0, 0],
[INFO] [stderr] 228 | |     [0, 6, 0, 0],
[INFO] [stderr] 229 | |     [6, 6, 0, 0],
[INFO] [stderr] 230 | |     [0, 0, 0, 0]
[INFO] [stderr] 231 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `l_block` should have an upper case name such as `L_BLOCK`
[INFO] [stderr]    --> src/main.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | / const l_block: [[u8; 4]; 4] = [
[INFO] [stderr] 234 | |     [7, 0, 0, 0],
[INFO] [stderr] 235 | |     [7, 0, 0, 0],
[INFO] [stderr] 236 | |     [7, 7, 0, 0],
[INFO] [stderr] 237 | |     [0, 0, 0, 0]
[INFO] [stderr] 238 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `block_type` should have an upper case name such as `BLOCK_TYPE`
[INFO] [stderr]    --> src/main.rs:240:1
[INFO] [stderr]     |
[INFO] [stderr] 240 | / const block_type: [[[u8; 4]; 4]; 7] = [
[INFO] [stderr] 241 | |     i_block,
[INFO] [stderr] 242 | |     o_block,
[INFO] [stderr] 243 | |     t_block,
[INFO] [stderr] ...   |
[INFO] [stderr] 247 | |     l_block
[INFO] [stderr] 248 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.78s
[INFO] running `"docker" "inspect" "4e06bff6635e8fca046b2dfb4c31b1e25ef866bd4d489cca87b632c656680fd6"`
[INFO] running `"docker" "rm" "-f" "4e06bff6635e8fca046b2dfb4c31b1e25ef866bd4d489cca87b632c656680fd6"`
[INFO] [stdout] 4e06bff6635e8fca046b2dfb4c31b1e25ef866bd4d489cca87b632c656680fd6