[INFO] updating cached repository https://github.com/ajmwagar/snek [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ea9d6d0bb08e5678373a1a84fc546a98afbd2a3f [INFO] checking ajmwagar/snek against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Fsnek" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ajmwagar/snek on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ajmwagar/snek [INFO] finished tweaking git repo https://github.com/ajmwagar/snek [INFO] tweaked toml for git repo https://github.com/ajmwagar/snek written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/ajmwagar/snek already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ed4943dfe7344b7bee88222bd86c27d2e9fac1eab4be056ce610a575f160192b [INFO] running `"docker" "start" "-a" "ed4943dfe7344b7bee88222bd86c27d2e9fac1eab4be056ce610a575f160192b"` [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Checking safe-transmute v0.10.1 [INFO] [stderr] Checking immi v1.0.4 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Compiling glutin_glx_sys v0.1.3 [INFO] [stderr] Checking backtrace v0.3.15 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rusttype v0.7.5 [INFO] [stderr] Checking alga v0.8.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Compiling glutin_egl_sys v0.1.2 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Checking smithay-client-toolkit v0.4.5 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking nalgebra v0.17.3 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling euclid_macros v0.1.0 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling num-derive v0.2.4 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking euclid v0.19.8 [INFO] [stderr] Checking xmlparser v0.3.0 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking lyon_geom v0.12.4 [INFO] [stderr] Checking svgparser v0.8.1 [INFO] [stderr] Checking image v0.21.0 [INFO] [stderr] Checking lyon_path v0.13.1 [INFO] [stderr] Checking lyon_svg v0.13.0 [INFO] [stderr] Checking lyon_tessellation v0.13.1 [INFO] [stderr] Checking lyon_algorithms v0.13.1 [INFO] [stderr] Checking lyon_extra v0.13.0 [INFO] [stderr] Checking lyon v0.13.1 [INFO] [stderr] Checking winit v0.19.1 [INFO] [stderr] Checking serde v1.0.90 [INFO] [stderr] Checking glutin v0.20.0 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking ncollide2d v0.18.4 [INFO] [stderr] Checking quicksilver v0.3.11 [INFO] [stderr] Checking snek v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `snek`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `snek`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ed4943dfe7344b7bee88222bd86c27d2e9fac1eab4be056ce610a575f160192b"` [INFO] running `"docker" "rm" "-f" "ed4943dfe7344b7bee88222bd86c27d2e9fac1eab4be056ce610a575f160192b"` [INFO] [stdout] ed4943dfe7344b7bee88222bd86c27d2e9fac1eab4be056ce610a575f160192b