[INFO] updating cached repository Limeth/vulkanscratch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Limeth/vulkanscratch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Limeth/vulkanscratch" "work/ex/beta-1.38-1/sources/1.37.0/gh/Limeth/vulkanscratch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Limeth/vulkanscratch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Limeth/vulkanscratch" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Limeth/vulkanscratch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Limeth/vulkanscratch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12c8681d3db82df42c39e8f933d6535b6acac874
[INFO] sha for GitHub repo Limeth/vulkanscratch: 12c8681d3db82df42c39e8f933d6535b6acac874
[INFO] validating manifest of Limeth/vulkanscratch 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 Limeth/vulkanscratch 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 Limeth/vulkanscratch
[INFO] finished frobbing Limeth/vulkanscratch
[INFO] frobbed toml for Limeth/vulkanscratch written to work/ex/beta-1.38-1/sources/1.37.0/gh/Limeth/vulkanscratch/Cargo.toml
[INFO] started frobbing Limeth/vulkanscratch
[INFO] finished frobbing Limeth/vulkanscratch
[INFO] frobbed toml for Limeth/vulkanscratch written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Limeth/vulkanscratch/Cargo.toml
[INFO] crate Limeth/vulkanscratch 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 Limeth/vulkanscratch 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-6/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/Limeth/vulkanscratch:/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] d61bd5419bf2fdb85c1e24c2fefbeba406185c1a54a9d39f3864d0a1e33f1b9c
[INFO] running `"docker" "start" "-a" "d61bd5419bf2fdb85c1e24c2fefbeba406185c1a54a9d39f3864d0a1e33f1b9c"`
[INFO] [stderr]    Compiling vulkano v0.7.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]    Compiling vk-sys v0.3.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]    Compiling half v1.0.2
[INFO] [stderr]    Compiling smallvec v0.5.0
[INFO] [stderr]    Compiling secp256k1 v0.8.1
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.3 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]    Compiling vulkano-shaders v0.7.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]    Compiling vulkano-shader-derive v0.7.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]    Compiling vulkanscratch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(concat_idents)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::default::Default`
[INFO] [stderr]  --> src/context.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::default::Default;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `secp256k1_context` should have an upper camel case name
[INFO] [stderr]    --> src/context.rs:132:10
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub type secp256k1_context = secp256k1_context_struct;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Secp256k1Context`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::command_buffer::CommandBuffer`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use vulkano::command_buffer::CommandBuffer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::command_buffer::submit::SubmitCommandBufferBuilder`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use vulkano::command_buffer::submit::SubmitCommandBufferBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:204:20
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 if (*expected_result != actual_result.is_ok()) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `vulkanscratch`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d61bd5419bf2fdb85c1e24c2fefbeba406185c1a54a9d39f3864d0a1e33f1b9c"`
[INFO] running `"docker" "rm" "-f" "d61bd5419bf2fdb85c1e24c2fefbeba406185c1a54a9d39f3864d0a1e33f1b9c"`
[INFO] [stdout] d61bd5419bf2fdb85c1e24c2fefbeba406185c1a54a9d39f3864d0a1e33f1b9c