[INFO] fetching crate newport_gpu 0.2.0...
[INFO] checking newport_gpu-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate newport_gpu 0.2.0 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate newport_gpu 0.2.0 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 newport_gpu 0.2.0
[INFO] finished tweaking crates.io crate newport_gpu 0.2.0
[INFO] tweaked toml for crates.io crate newport_gpu 0.2.0 written to /workspace/builds/worker-92/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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] 33d889f661e2f0d6de4cfc0a559ec9df4d711c27a549a654e8b93aeab3a21a41
[INFO] running `Command { std: "docker" "start" "-a" "33d889f661e2f0d6de4cfc0a559ec9df4d711c27a549a654e8b93aeab3a21a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d889f661e2f0d6de4cfc0a559ec9df4d711c27a549a654e8b93aeab3a21a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d889f661e2f0d6de4cfc0a559ec9df4d711c27a549a654e8b93aeab3a21a41", kill_on_drop: false }`
[INFO] [stdout] 33d889f661e2f0d6de4cfc0a559ec9df4d711c27a549a654e8b93aeab3a21a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1128db96ec8802654045bac114d2655ce3c642b33d81b4d5dbc9f52435fdc7c1
[INFO] running `Command { std: "docker" "start" "-a" "1128db96ec8802654045bac114d2655ce3c642b33d81b4d5dbc9f52435fdc7c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling com-rs v0.2.1
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]    Compiling newport_gpu v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libloading v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking ash v0.32.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking hassle-rs v0.5.3
[INFO] [stderr]     Checking newport_math v0.2.0
[INFO] [stderr]     Checking ron v0.6.5
[INFO] [stderr]     Checking bincode v1.3.3
[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/newport_math-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn_floating_point_arithmetic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/newport_math-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_float_classify)]
[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 `newport_math` 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" "1128db96ec8802654045bac114d2655ce3c642b33d81b4d5dbc9f52435fdc7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1128db96ec8802654045bac114d2655ce3c642b33d81b4d5dbc9f52435fdc7c1", kill_on_drop: false }`
[INFO] [stdout] 1128db96ec8802654045bac114d2655ce3c642b33d81b4d5dbc9f52435fdc7c1
