[INFO] cloning repository https://github.com/PistonDevelopers/dyon_asteroids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PistonDevelopers/dyon_asteroids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPistonDevelopers%2Fdyon_asteroids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPistonDevelopers%2Fdyon_asteroids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f944cac511e26b4d772c57e1ea245ffab280a1
[INFO] testing PistonDevelopers/dyon_asteroids against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPistonDevelopers%2Fdyon_asteroids" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PistonDevelopers/dyon_asteroids on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PistonDevelopers/dyon_asteroids
[INFO] finished tweaking git repo https://github.com/PistonDevelopers/dyon_asteroids
[INFO] tweaked toml for git repo https://github.com/PistonDevelopers/dyon_asteroids written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/PistonDevelopers/dyon_asteroids already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5286f7342dc05596e23a1f8da2167ece8a157cb328c47ad5a1b9e0588eb702ce
[INFO] running `Command { std: "docker" "start" "-a" "5286f7342dc05596e23a1f8da2167ece8a157cb328c47ad5a1b9e0588eb702ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5286f7342dc05596e23a1f8da2167ece8a157cb328c47ad5a1b9e0588eb702ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5286f7342dc05596e23a1f8da2167ece8a157cb328c47ad5a1b9e0588eb702ce", kill_on_drop: false }`
[INFO] [stdout] 5286f7342dc05596e23a1f8da2167ece8a157cb328c47ad5a1b9e0588eb702ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93c4f9693897c477061c885161af3146dd60e68d5061ccd0821ed9696879d2d
[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" "e93c4f9693897c477061c885161af3146dd60e68d5061ccd0821ed9696879d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling num-traits v0.1.32
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]    Compiling piston-float v0.2.0
[INFO] [stderr]    Compiling shader_version v0.2.1
[INFO] [stderr]    Compiling crossbeam v0.2.9
[INFO] [stderr]    Compiling x11-dl v2.6.0
[INFO] [stderr]    Compiling sdl2-sys v0.19.0
[INFO] [stderr]    Compiling read_color v0.1.0
[INFO] [stderr]    Compiling range v0.3.1
[INFO] [stderr]    Compiling piston-texture v0.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr]    Compiling smallvec v0.1.7
[INFO] [stderr]    Compiling current v0.1.1
[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/current-0.1.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics)]
[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]    Compiling piston-shaders_graphics2d v0.1.0
[INFO] [stderr] error: could not compile `current`
[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] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[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 E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e93c4f9693897c477061c885161af3146dd60e68d5061ccd0821ed9696879d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93c4f9693897c477061c885161af3146dd60e68d5061ccd0821ed9696879d2d", kill_on_drop: false }`
[INFO] [stdout] e93c4f9693897c477061c885161af3146dd60e68d5061ccd0821ed9696879d2d
