[INFO] cloning repository https://github.com/gamma-delta/quad-wasmnastics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamma-delta/quad-wasmnastics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fquad-wasmnastics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fquad-wasmnastics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 954c4fbc1349fa25b1782da168600a1499889024
[INFO] testing gamma-delta/quad-wasmnastics against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fquad-wasmnastics" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamma-delta/quad-wasmnastics on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gamma-delta/quad-wasmnastics
[INFO] finished tweaking git repo https://github.com/gamma-delta/quad-wasmnastics
[INFO] tweaked toml for git repo https://github.com/gamma-delta/quad-wasmnastics written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gamma-delta/quad-wasmnastics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.3
[INFO] [stderr]   Downloaded ttf-parser v0.12.1
[INFO] [stderr]   Downloaded sapp-windows v0.2.17
[INFO] [stderr]   Downloaded miniquad v0.3.0-alpha.35
[INFO] [stderr]   Downloaded sapp-android v0.1.7
[INFO] [stderr]   Downloaded macroquad v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 549d19b0fdbe4c6dd61e4286d575b4683e5a3dc96492088dd80666b988a4814b
[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" "549d19b0fdbe4c6dd61e4286d575b4683e5a3dc96492088dd80666b988a4814b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "549d19b0fdbe4c6dd61e4286d575b4683e5a3dc96492088dd80666b988a4814b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549d19b0fdbe4c6dd61e4286d575b4683e5a3dc96492088dd80666b988a4814b", kill_on_drop: false }`
[INFO] [stdout] 549d19b0fdbe4c6dd61e4286d575b4683e5a3dc96492088dd80666b988a4814b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] 3a0b91c931e0ef0b4e5507d21cc9efb6b078a9cd4e2ecf4fb5592881d783ca33
[INFO] running `Command { std: "docker" "start" "-a" "3a0b91c931e0ef0b4e5507d21cc9efb6b078a9cd4e2ecf4fb5592881d783ca33", kill_on_drop: false }`
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-cursor v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling x11-clipboard v0.5.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling smithay-clipboard v0.6.3
[INFO] [stderr]    Compiling copypasta v0.7.1
[INFO] [stderr]    Compiling quad-wasmnastics v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_blocks)]
[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 `quad-wasmnastics` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3a0b91c931e0ef0b4e5507d21cc9efb6b078a9cd4e2ecf4fb5592881d783ca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0b91c931e0ef0b4e5507d21cc9efb6b078a9cd4e2ecf4fb5592881d783ca33", kill_on_drop: false }`
[INFO] [stdout] 3a0b91c931e0ef0b4e5507d21cc9efb6b078a9cd4e2ecf4fb5592881d783ca33