[INFO] fetching crate rhythmc 0.0.2...
[INFO] testing rhythmc-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rhythmc 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rhythmc 0.0.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rhythmc 0.0.2
[INFO] finished tweaking crates.io crate rhythmc 0.0.2
[INFO] tweaked toml for crates.io crate rhythmc 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 449abbcf96e1d330ea5fcd5c053e089323be72c1f999f4bc78697f2ebc1e0290
[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" "449abbcf96e1d330ea5fcd5c053e089323be72c1f999f4bc78697f2ebc1e0290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "449abbcf96e1d330ea5fcd5c053e089323be72c1f999f4bc78697f2ebc1e0290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449abbcf96e1d330ea5fcd5c053e089323be72c1f999f4bc78697f2ebc1e0290", kill_on_drop: false }`
[INFO] [stdout] 449abbcf96e1d330ea5fcd5c053e089323be72c1f999f4bc78697f2ebc1e0290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91c1ade7cd5d4f9679e10d37f847cadc9dff48cace52a019a74c22303a74bf9a
[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" "91c1ade7cd5d4f9679e10d37f847cadc9dff48cace52a019a74c22303a74bf9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling vulkano v0.19.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling vk-sys v0.5.3
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling glsl v6.0.1
[INFO] [stdout] error[E0609]: no field `shaderf3264` on type `PhysicalDeviceFeatures`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vulkano-0.19.0/src/features.rs:459:28
[INFO] [stdout]     |
[INFO] [stdout] 459 |     core { shader_f3264 => shaderf3264 },
[INFO] [stdout]     |                            ^^^^^^^^^^^ help: a field with a similar name exists: `shaderInt64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/vulkano-0.19.0/src/command_buffer/sys.rs:1455:38
[INFO] [stdout]      |
[INFO] [stdout] 1455 |         vk.CmdSetBlendConstants(cmd, constants); // TODO: correct to pass array?
[INFO] [stdout]      |                                      ^^^^^^^^^
[INFO] [stdout]      |                                      |
[INFO] [stdout]      |                                      expected `&[f32; 4]`, found array `[f32; 4]`
[INFO] [stdout]      |                                      help: consider borrowing here: `&constants`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rhythmc_compiler v0.0.2
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vulkano` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "91c1ade7cd5d4f9679e10d37f847cadc9dff48cace52a019a74c22303a74bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c1ade7cd5d4f9679e10d37f847cadc9dff48cace52a019a74c22303a74bf9a", kill_on_drop: false }`
[INFO] [stdout] 91c1ade7cd5d4f9679e10d37f847cadc9dff48cace52a019a74c22303a74bf9a