[INFO] cloning repository https://github.com/Limeth/obs-shaderfilter-plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Limeth/obs-shaderfilter-plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeth%2Fobs-shaderfilter-plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeth%2Fobs-shaderfilter-plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5cf78bea170533d3828213a16da67f45262515d
[INFO] testing Limeth/obs-shaderfilter-plus against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLimeth%2Fobs-shaderfilter-plus" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Limeth/obs-shaderfilter-plus on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Limeth/obs-shaderfilter-plus
[INFO] finished tweaking git repo https://github.com/Limeth/obs-shaderfilter-plus
[INFO] tweaked toml for git repo https://github.com/Limeth/obs-shaderfilter-plus written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Limeth/obs-shaderfilter-plus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/calebzulawski/fourier`
[INFO] [stderr]     Updating git repository `https://github.com/Limeth/rust-obs-plugins`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 911e9d517f497703215fae3f4a558a5e849e362a250866cfe477e6af605f4ddd
[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" "911e9d517f497703215fae3f4a558a5e849e362a250866cfe477e6af605f4ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "911e9d517f497703215fae3f4a558a5e849e362a250866cfe477e6af605f4ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911e9d517f497703215fae3f4a558a5e849e362a250866cfe477e6af605f4ddd", kill_on_drop: false }`
[INFO] [stdout] 911e9d517f497703215fae3f4a558a5e849e362a250866cfe477e6af605f4ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75bf0141999055fdd7d049200df91d9e9c62c47b9e3bfab34960e542e9b51796
[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" "75bf0141999055fdd7d049200df91d9e9c62c47b9e3bfab34960e542e9b51796", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling safe-transmute v0.11.0
[INFO] [stderr]    Compiling obs-shaderfilter-plus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling apodize v1.0.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling cstr-macros v0.1.6
[INFO] [stderr]    Compiling cstr v0.1.7
[INFO] [stderr]    Compiling multiversion v0.6.1
[INFO] [stderr]    Compiling obs-sys v0.1.2 (https://github.com/Limeth/rust-obs-plugins#d116656f)
[INFO] [stderr]    Compiling fourier-algorithms v0.1.1 (https://github.com/calebzulawski/fourier?rev=dc49696345e25a91406de6b123b5ce3d24784e32#dc496963)
[INFO] [stderr]    Compiling fourier-macros v0.1.0 (https://github.com/calebzulawski/fourier?rev=dc49696345e25a91406de6b123b5ce3d24784e32#dc496963)
[INFO] [stderr]    Compiling obs-wrapper v0.1.5 (https://github.com/Limeth/rust-obs-plugins#d116656f)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-obs-plugins-ae99db5823aa9b46/d116656/src/lib.rs:115:1
[INFO] [stdout]     |
[INFO] [stdout] 115 | #![feature(never_type)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-obs-plugins-ae99db5823aa9b46/d116656/src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | #![feature(arbitrary_self_types)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `obs-wrapper`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "75bf0141999055fdd7d049200df91d9e9c62c47b9e3bfab34960e542e9b51796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bf0141999055fdd7d049200df91d9e9c62c47b9e3bfab34960e542e9b51796", kill_on_drop: false }`
[INFO] [stdout] 75bf0141999055fdd7d049200df91d9e9c62c47b9e3bfab34960e542e9b51796