[INFO] cloning repository https://github.com/Kneelawk/neonet2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kneelawk/neonet2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fneonet2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fneonet2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0c0a7f0e4c2bfbb02d9dd05fa44c91403b566c1
[INFO] testing Kneelawk/neonet2 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fneonet2" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kneelawk/neonet2 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] removed /workspace/builds/worker-12/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Kneelawk/neonet2
[INFO] finished tweaking git repo https://github.com/Kneelawk/neonet2
[INFO] tweaked toml for git repo https://github.com/Kneelawk/neonet2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Kneelawk/neonet2 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gpu-alloc v0.5.3
[INFO] [stderr]   Downloaded wgpu-types v0.12.0
[INFO] [stderr]   Downloaded wasm-timer v0.2.5
[INFO] [stderr]   Downloaded ash v0.34.0+1.2.203
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.29
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.29
[INFO] [stderr]   Downloaded wee_alloc v0.4.5
[INFO] [stderr]   Downloaded wgpu-core v0.12.2
[INFO] [stderr]   Downloaded wgpu v0.12.0
[INFO] [stderr]   Downloaded wgpu-hal v0.12.4
[INFO] [stderr]   Downloaded naga v0.8.5
[INFO] [stderr]   Downloaded profiling v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5c19da49f7c850a7b1192d7c08d28956f8c43fdb8d357a34d00fb9488ad8ebbc
[INFO] running `Command { std: "docker" "start" "-a" "5c19da49f7c850a7b1192d7c08d28956f8c43fdb8d357a34d00fb9488ad8ebbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c19da49f7c850a7b1192d7c08d28956f8c43fdb8d357a34d00fb9488ad8ebbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c19da49f7c850a7b1192d7c08d28956f8c43fdb8d357a34d00fb9488ad8ebbc", kill_on_drop: false }`
[INFO] [stdout] 5c19da49f7c850a7b1192d7c08d28956f8c43fdb8d357a34d00fb9488ad8ebbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fba9d84ebb053bf844a35aa7192154e848a8003f6eb3c351c684fe1f99daefa3
[INFO] running `Command { std: "docker" "start" "-a" "fba9d84ebb053bf844a35aa7192154e848a8003f6eb3c351c684fe1f99daefa3", 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]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ash v0.34.0+1.2.203
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling profiling v1.0.5
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling wgpu-types v0.12.0
[INFO] [stderr]    Compiling wgpu-core v0.12.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling gpu-alloc v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memmap2 v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling gpu-descriptor v0.2.2
[INFO] [stderr]    Compiling wayland-commons v0.29.4
[INFO] [stderr]    Compiling calloop v0.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling wayland-cursor v0.29.4
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling naga v0.8.5
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling wgpu-hal v0.12.4
[INFO] [stderr]    Compiling wgpu v0.12.0
[INFO] [stderr]    Compiling neonet2 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[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 `neonet2` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fba9d84ebb053bf844a35aa7192154e848a8003f6eb3c351c684fe1f99daefa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba9d84ebb053bf844a35aa7192154e848a8003f6eb3c351c684fe1f99daefa3", kill_on_drop: false }`
[INFO] [stdout] fba9d84ebb053bf844a35aa7192154e848a8003f6eb3c351c684fe1f99daefa3