[INFO] fetching crate quad-wasmnastics 0.2.1...
[INFO] testing quad-wasmnastics-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate quad-wasmnastics 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate quad-wasmnastics 0.2.1 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 crates.io crate quad-wasmnastics 0.2.1
[INFO] finished tweaking crates.io crate quad-wasmnastics 0.2.1
[INFO] tweaked toml for crates.io crate quad-wasmnastics 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate quad-wasmnastics 0.2.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oboe v0.4.2
[INFO] [stderr]   Downloaded x11-clipboard v0.5.2
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded sapp-darwin v0.1.6
[INFO] [stderr]   Downloaded jni v0.18.0
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded cpal v0.13.3
[INFO] [stderr]   Downloaded sapp-windows v0.2.17
[INFO] [stderr]   Downloaded sapp-wasm v0.1.26
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded glam v0.14.0
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] [stderr]   Downloaded macroquad v0.3.5
[INFO] [stderr]   Downloaded miniquad v0.3.0-alpha.35
[INFO] [stderr]   Downloaded ttf-parser v0.12.1
[INFO] [stderr]   Downloaded sapp-ios v0.1.2
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded quad-rand v0.2.1
[INFO] [stderr]   Downloaded macroquad_macro v0.1.5
[INFO] [stderr]   Downloaded rodio v0.13.1
[INFO] [stderr]   Downloaded sapp-dummy v0.1.5
[INFO] [stderr]   Downloaded sapp-linux v0.1.13
[INFO] [stderr]   Downloaded sapp-jsutils v0.1.5
[INFO] [stderr]   Downloaded oboe-sys v0.4.2
[INFO] [stderr]   Downloaded sapp-android v0.1.7
[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] ffc153158ed6bd9896188ae14c5b884824456ae598c0de8ed093c8cfd40d8077
[INFO] running `Command { std: "docker" "start" "-a" "ffc153158ed6bd9896188ae14c5b884824456ae598c0de8ed093c8cfd40d8077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffc153158ed6bd9896188ae14c5b884824456ae598c0de8ed093c8cfd40d8077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc153158ed6bd9896188ae14c5b884824456ae598c0de8ed093c8cfd40d8077", kill_on_drop: false }`
[INFO] [stdout] ffc153158ed6bd9896188ae14c5b884824456ae598c0de8ed093c8cfd40d8077
[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] [stdout] 12b5ff266cd7bf9c84a6e9c4b470e38993411b9e015281ac641181a98a7e1535
[INFO] running `Command { std: "docker" "start" "-a" "12b5ff266cd7bf9c84a6e9c4b470e38993411b9e015281ac641181a98a7e1535", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling wayland-cursor 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "12b5ff266cd7bf9c84a6e9c4b470e38993411b9e015281ac641181a98a7e1535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b5ff266cd7bf9c84a6e9c4b470e38993411b9e015281ac641181a98a7e1535", kill_on_drop: false }`
[INFO] [stdout] 12b5ff266cd7bf9c84a6e9c4b470e38993411b9e015281ac641181a98a7e1535