[INFO] fetching crate newport_editor 0.2.0...
[INFO] testing newport_editor-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate newport_editor 0.2.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate newport_editor 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate newport_editor 0.2.0
[INFO] finished tweaking crates.io crate newport_editor 0.2.0
[INFO] tweaked toml for crates.io crate newport_editor 0.2.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b179826422cbe5e06795572654457fc45e974b2a0c5136d215a2e65a45d9ce83
[INFO] running `Command { std: "docker" "start" "-a" "b179826422cbe5e06795572654457fc45e974b2a0c5136d215a2e65a45d9ce83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b179826422cbe5e06795572654457fc45e974b2a0c5136d215a2e65a45d9ce83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b179826422cbe5e06795572654457fc45e974b2a0c5136d215a2e65a45d9ce83", kill_on_drop: false }`
[INFO] [stdout] b179826422cbe5e06795572654457fc45e974b2a0c5136d215a2e65a45d9ce83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb734f172a1728b4a521e88764336db8dc8e4663b91b26e03ff5044adddaea72
[INFO] running `Command { std: "docker" "start" "-a" "fb734f172a1728b4a521e88764336db8dc8e4663b91b26e03ff5044adddaea72", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling com-rs v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling widestring v0.5.1
[INFO] [stderr]    Compiling newport_gpu v0.2.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling stb_image v0.2.4
[INFO] [stderr]    Compiling newport_codegen v0.2.0
[INFO] [stderr]    Compiling newport_math v0.2.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[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] [stderr]    Compiling ash v0.32.1
[INFO] [stderr]    Compiling ron v0.6.6
[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" "fb734f172a1728b4a521e88764336db8dc8e4663b91b26e03ff5044adddaea72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb734f172a1728b4a521e88764336db8dc8e4663b91b26e03ff5044adddaea72", kill_on_drop: false }`
[INFO] [stdout] fb734f172a1728b4a521e88764336db8dc8e4663b91b26e03ff5044adddaea72