[INFO] updating cached repository https://github.com/vladimiriousIT/RUST-Programming
[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] 508b625dbc05bb06708ecea09cf87c3bd06db871
[INFO] checking vladimiriousIT/RUST-Programming against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FvladimiriousIT%2FRUST-Programming" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vladimiriousIT/RUST-Programming 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/vladimiriousIT/RUST-Programming
[INFO] finished tweaking git repo https://github.com/vladimiriousIT/RUST-Programming
[INFO] tweaked toml for git repo https://github.com/vladimiriousIT/RUST-Programming written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vladimiriousIT/RUST-Programming 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6ffff9f66dbc8d24f1a4aca3042ed57da948fe1a7c71222854fc79d5603241aa
[INFO] running `"docker" "start" "-a" "6ffff9f66dbc8d24f1a4aca3042ed57da948fe1a7c71222854fc79d5603241aa"`
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking glutin v0.14.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.83s
[INFO] running `"docker" "inspect" "6ffff9f66dbc8d24f1a4aca3042ed57da948fe1a7c71222854fc79d5603241aa"`
[INFO] running `"docker" "rm" "-f" "6ffff9f66dbc8d24f1a4aca3042ed57da948fe1a7c71222854fc79d5603241aa"`
[INFO] [stdout] 6ffff9f66dbc8d24f1a4aca3042ed57da948fe1a7c71222854fc79d5603241aa