[INFO] cloning repository https://github.com/gamma-delta/wgj_210
[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/wgj_210" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fwgj_210", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fwgj_210'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ff08dc3c23c4d95fd64d234ba2f1f190f6f1132
[INFO] testing gamma-delta/wgj_210 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fwgj_210" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamma-delta/wgj_210 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gamma-delta/wgj_210
[INFO] finished tweaking git repo https://github.com/gamma-delta/wgj_210
[INFO] tweaked toml for git repo https://github.com/gamma-delta/wgj_210 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/gamma-delta/wgj_210 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "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] c10e7bf5b77763c068a51dbb5d642b36a626d936d65d493d2cd90e1301409bd7
[INFO] running `Command { std: "docker" "start" "-a" "c10e7bf5b77763c068a51dbb5d642b36a626d936d65d493d2cd90e1301409bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10e7bf5b77763c068a51dbb5d642b36a626d936d65d493d2cd90e1301409bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10e7bf5b77763c068a51dbb5d642b36a626d936d65d493d2cd90e1301409bd7", kill_on_drop: false }`
[INFO] [stdout] c10e7bf5b77763c068a51dbb5d642b36a626d936d65d493d2cd90e1301409bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf93184cc45da1ad79e9332ddc04d9ebb3da050eca151a09da54972d23d2351
[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" "abf93184cc45da1ad79e9332ddc04d9ebb3da050eca151a09da54972d23d2351", kill_on_drop: false }`
[INFO] [stderr]    Compiling sapp-linux v0.1.13
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling macroquad_macro v0.1.5
[INFO] [stderr]    Compiling glam v0.14.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fontdue v0.5.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling enum-map v1.1.1
[INFO] [stderr]    Compiling miniquad v0.3.0-alpha.37
[INFO] [stderr]    Compiling quad-rand v0.2.1
[INFO] [stderr]    Compiling cogs-gamedev v0.8.0
[INFO] [stderr]    Compiling rodio v0.13.1
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling macroquad v0.3.7
[INFO] [stderr]    Compiling smithay-client-toolkit v0.14.0
[INFO] [stderr]    Compiling x11-clipboard v0.5.2
[INFO] [stderr]    Compiling smithay-clipboard v0.6.4
[INFO] [stderr]    Compiling copypasta v0.7.1
[INFO] [stderr]    Compiling quad-wasmnastics v0.2.1
[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/quad-wasmnastics-0.2.1/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 stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quad-wasmnastics-0.2.1/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" "abf93184cc45da1ad79e9332ddc04d9ebb3da050eca151a09da54972d23d2351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf93184cc45da1ad79e9332ddc04d9ebb3da050eca151a09da54972d23d2351", kill_on_drop: false }`
[INFO] [stdout] abf93184cc45da1ad79e9332ddc04d9ebb3da050eca151a09da54972d23d2351