[INFO] cloning repository https://github.com/adrylain/rustpong
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrylain/rustpong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrylain%2Frustpong"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrylain%2Frustpong'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 253ee2071ef6bea37a8a702ea5e47a6cb11e1634
[INFO] checking adrylain/rustpong against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrylain%2Frustpong" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrylain/rustpong on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/adrylain/rustpong
[INFO] finished tweaking git repo https://github.com/adrylain/rustpong
[INFO] tweaked toml for git repo https://github.com/adrylain/rustpong written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/adrylain/rustpong already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 78c2e75cd7b318ae3a6c55d09d50e847b5673f33b75132e67fb377ef471fb3b4
[INFO] running `"docker" "start" "-a" "78c2e75cd7b318ae3a6c55d09d50e847b5673f33b75132e67fb377ef471fb3b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rustpong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `"docker" "inspect" "78c2e75cd7b318ae3a6c55d09d50e847b5673f33b75132e67fb377ef471fb3b4"`
[INFO] running `"docker" "rm" "-f" "78c2e75cd7b318ae3a6c55d09d50e847b5673f33b75132e67fb377ef471fb3b4"`
[INFO] [stdout] 78c2e75cd7b318ae3a6c55d09d50e847b5673f33b75132e67fb377ef471fb3b4