[INFO] fetching crate rukako-shader 0.0.0...
[INFO] testing rukako-shader-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rukako-shader 0.0.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate rukako-shader 0.0.0 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 rukako-shader 0.0.0
[INFO] finished tweaking crates.io crate rukako-shader 0.0.0
[INFO] tweaked toml for crates.io crate rukako-shader 0.0.0 written to /workspace/builds/worker-107/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded bytemuck_derive v1.0.1
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] [stderr]   Downloaded spirv-std-macros v0.4.0-alpha.12
[INFO] [stderr]   Downloaded float-ord v0.3.2
[INFO] [stderr]   Downloaded glam v0.17.3
[INFO] [stderr]   Downloaded spirv-types v0.4.0-alpha.12
[INFO] [stderr]   Downloaded spirv-std v0.4.0-alpha.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 29908924148a03f5aa3283514657db991f92ff54225feb2b0554c6fcc33ca575
[INFO] running `Command { std: "docker" "start" "-a" "29908924148a03f5aa3283514657db991f92ff54225feb2b0554c6fcc33ca575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29908924148a03f5aa3283514657db991f92ff54225feb2b0554c6fcc33ca575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29908924148a03f5aa3283514657db991f92ff54225feb2b0554c6fcc33ca575", kill_on_drop: false }`
[INFO] [stdout] 29908924148a03f5aa3283514657db991f92ff54225feb2b0554c6fcc33ca575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] d3f9a069c58eea3ac73eed8a2e9cb0b3191dd122b6ebf66fc764d48165822dad
[INFO] running `Command { std: "docker" "start" "-a" "d3f9a069c58eea3ac73eed8a2e9cb0b3191dd122b6ebf66fc764d48165822dad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling spirv-types v0.4.0-alpha.12
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling glam v0.17.3
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]    Compiling spirv-std-macros v0.4.0-alpha.12
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling spirv-std v0.4.0-alpha.12
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spirv-std-0.4.0-alpha.12/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(const_generics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spirv-std` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d3f9a069c58eea3ac73eed8a2e9cb0b3191dd122b6ebf66fc764d48165822dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f9a069c58eea3ac73eed8a2e9cb0b3191dd122b6ebf66fc764d48165822dad", kill_on_drop: false }`
[INFO] [stdout] d3f9a069c58eea3ac73eed8a2e9cb0b3191dd122b6ebf66fc764d48165822dad