[INFO] updating cached repository joek13/craft
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joek13/craft
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joek13/craft" "work/ex/beta-1.38-1/sources/1.37.0/gh/joek13/craft"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/joek13/craft'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joek13/craft" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joek13/craft"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joek13/craft'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45879c4cbb733c9a0cd3f21e959c97cc59d3874d
[INFO] sha for GitHub repo joek13/craft: 45879c4cbb733c9a0cd3f21e959c97cc59d3874d
[INFO] validating manifest of joek13/craft 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 joek13/craft 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 joek13/craft
[INFO] finished frobbing joek13/craft
[INFO] frobbed toml for joek13/craft written to work/ex/beta-1.38-1/sources/1.37.0/gh/joek13/craft/Cargo.toml
[INFO] started frobbing joek13/craft
[INFO] finished frobbing joek13/craft
[INFO] frobbed toml for joek13/craft written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joek13/craft/Cargo.toml
[INFO] crate joek13/craft 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] testing joek13/craft against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joek13/craft:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d6e6b634f354676165442e57a82ca2a7241437b9c116d2fdf4c7ef1f35158587
[INFO] running `"docker" "start" "-a" "d6e6b634f354676165442e57a82ca2a7241437b9c116d2fdf4c7ef1f35158587"`
[INFO] [stderr]    Compiling khronos_api v2.0.0
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling memmap v0.6.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling x11-dl v2.17.2
[INFO] [stderr]    Compiling wayland-scanner v0.12.4
[INFO] [stderr]    Compiling dlib v0.4.0
[INFO] [stderr]    Compiling wayland-sys v0.12.4
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.12.4
[INFO] [stderr]    Compiling wayland-protocols v0.12.4
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling glutin v0.11.0
[INFO] [stderr]    Compiling glium v0.19.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling wayland-window v0.13.2
[INFO] [stderr]    Compiling winit v0.9.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling craft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut world = World::new(&display);
[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: `vertices`
[INFO] [stderr]   --> src/world.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     vertices: VertexBuffer<Vertex>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_block`
[INFO] [stderr]   --> src/world.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get_block(&self, x: usize, y: usize, z: usize) -> Block {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_vertices`
[INFO] [stderr]   --> src/world.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn update_vertices(&mut self) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLOCK_COLORS`
[INFO] [stderr]   --> src/world.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / const BLOCK_COLORS: [(f32, f32, f32, f32); 3] = [
[INFO] [stderr] 65 | |     (0.0, 0.0, 0.0, 0.0),
[INFO] [stderr] 66 | |     (0.0, 0.0, 0.0, 1.0),
[INFO] [stderr] 67 | |     (0.0, 1.0, 0.0, 1.0),
[INFO] [stderr] 68 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         target.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "d6e6b634f354676165442e57a82ca2a7241437b9c116d2fdf4c7ef1f35158587"`
[INFO] running `"docker" "rm" "-f" "d6e6b634f354676165442e57a82ca2a7241437b9c116d2fdf4c7ef1f35158587"`
[INFO] [stdout] d6e6b634f354676165442e57a82ca2a7241437b9c116d2fdf4c7ef1f35158587
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joek13/craft:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d58acf4aa36b57c8903cfb377c5f462aa1e1df040c66e68ca9af5c80260332df
[INFO] running `"docker" "start" "-a" "d58acf4aa36b57c8903cfb377c5f462aa1e1df040c66e68ca9af5c80260332df"`
[INFO] [stderr]    Compiling craft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut world = World::new(&display);
[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: `vertices`
[INFO] [stderr]   --> src/world.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     vertices: VertexBuffer<Vertex>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_block`
[INFO] [stderr]   --> src/world.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn get_block(&self, x: usize, y: usize, z: usize) -> Block {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_vertices`
[INFO] [stderr]   --> src/world.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn update_vertices(&mut self) {}
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLOCK_COLORS`
[INFO] [stderr]   --> src/world.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | / const BLOCK_COLORS: [(f32, f32, f32, f32); 3] = [
[INFO] [stderr] 65 | |     (0.0, 0.0, 0.0, 0.0),
[INFO] [stderr] 66 | |     (0.0, 0.0, 0.0, 1.0),
[INFO] [stderr] 67 | |     (0.0, 1.0, 0.0, 1.0),
[INFO] [stderr] 68 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         target.finish();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "d58acf4aa36b57c8903cfb377c5f462aa1e1df040c66e68ca9af5c80260332df"`
[INFO] running `"docker" "rm" "-f" "d58acf4aa36b57c8903cfb377c5f462aa1e1df040c66e68ca9af5c80260332df"`
[INFO] [stdout] d58acf4aa36b57c8903cfb377c5f462aa1e1df040c66e68ca9af5c80260332df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/joek13/craft:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c54f9bc17aae43d6f1eaa5d9b63f9e16a7b2295c63972e312d949519eb19c0e8
[INFO] running `"docker" "start" "-a" "c54f9bc17aae43d6f1eaa5d9b63f9e16a7b2295c63972e312d949519eb19c0e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/craft-067f667fb73b4662
[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" "c54f9bc17aae43d6f1eaa5d9b63f9e16a7b2295c63972e312d949519eb19c0e8"`
[INFO] running `"docker" "rm" "-f" "c54f9bc17aae43d6f1eaa5d9b63f9e16a7b2295c63972e312d949519eb19c0e8"`
[INFO] [stdout] c54f9bc17aae43d6f1eaa5d9b63f9e16a7b2295c63972e312d949519eb19c0e8