[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/beta-1.38-1/sources/1.37.0/gh/BlinfoldKing/Tetrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BlinfoldKing/Tetrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BlinfoldKing/Tetrust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlinfoldKing/Tetrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BlinfoldKing/Tetrust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/BlinfoldKing/Tetrust/Cargo.toml
[INFO] crate BlinfoldKing/Tetrust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing BlinfoldKing/Tetrust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c9b10580f2ac1bc005bd89f164b9890a001bb42f72753a15bfd76300d3030001
[INFO] running `"docker" "start" "-a" "c9b10580f2ac1bc005bd89f164b9890a001bb42f72753a15bfd76300d3030001"`
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling piston-viewport v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling piston2d-graphics v0.27.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling smithay-client-toolkit v0.3.0
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling winit v0.17.2
[INFO] [stderr]    Compiling pistoncore-input v0.22.0
[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 piston2d-opengl_graphics v0.55.0
[INFO] [stderr]    Compiling piston v0.38.0
[INFO] [stderr]    Compiling 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 prefixing 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: consider prefixing 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 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
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `"docker" "inspect" "c9b10580f2ac1bc005bd89f164b9890a001bb42f72753a15bfd76300d3030001"`
[INFO] running `"docker" "rm" "-f" "c9b10580f2ac1bc005bd89f164b9890a001bb42f72753a15bfd76300d3030001"`
[INFO] [stdout] c9b10580f2ac1bc005bd89f164b9890a001bb42f72753a15bfd76300d3030001
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5d735315c61d5ac8fa6e9dfb8f54deaa5f0be19be7a8260a8b0cfd4b40ae676
[INFO] running `"docker" "start" "-a" "d5d735315c61d5ac8fa6e9dfb8f54deaa5f0be19be7a8260a8b0cfd4b40ae676"`
[INFO] [stderr]    Compiling 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 prefixing 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: consider prefixing 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 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
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "d5d735315c61d5ac8fa6e9dfb8f54deaa5f0be19be7a8260a8b0cfd4b40ae676"`
[INFO] running `"docker" "rm" "-f" "d5d735315c61d5ac8fa6e9dfb8f54deaa5f0be19be7a8260a8b0cfd4b40ae676"`
[INFO] [stdout] d5d735315c61d5ac8fa6e9dfb8f54deaa5f0be19be7a8260a8b0cfd4b40ae676
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4842954ce1a4546f5ebf8a81e1c2249954edc33eb382aa509925a8f0383e3329
[INFO] running `"docker" "start" "-a" "4842954ce1a4546f5ebf8a81e1c2249954edc33eb382aa509925a8f0383e3329"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Tetrust-3df96e1b4460902c
[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 `"docker" "inspect" "4842954ce1a4546f5ebf8a81e1c2249954edc33eb382aa509925a8f0383e3329"`
[INFO] running `"docker" "rm" "-f" "4842954ce1a4546f5ebf8a81e1c2249954edc33eb382aa509925a8f0383e3329"`
[INFO] [stdout] 4842954ce1a4546f5ebf8a81e1c2249954edc33eb382aa509925a8f0383e3329