[INFO] cloning repository https://github.com/tedajax/rust-circles
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tedajax/rust-circles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedajax%2Frust-circles"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedajax%2Frust-circles'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee268f15f356572a44a6303843c20fe6dde26880
[INFO] testing tedajax/rust-circles against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedajax%2Frust-circles" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tedajax/rust-circles on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tedajax/rust-circles
[INFO] finished tweaking git repo https://github.com/tedajax/rust-circles
[INFO] tweaked toml for git repo https://github.com/tedajax/rust-circles written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/tedajax/rust-circles already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2`
[INFO] [stderr]     Updating git repository `https://github.com/andelf/rust-sdl2_gfx.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf2de403b962826b96d1e28ad331641531c67226f7503c534891fafb51aaf62e
[INFO] running `"docker" "start" "-a" "bf2de403b962826b96d1e28ad331641531c67226f7503c534891fafb51aaf62e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] error: multiple packages link to native library `SDL2`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.24.0`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.24.0`
[INFO] [stderr]     ... which is depended on by `sdl2_gfx v0.24.0 (https://github.com/andelf/rust-sdl2_gfx.git#166623e2)`
[INFO] [stderr]     ... which is depended on by `circles v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `SDL2`
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.34.0 (https://github.com/AngryLawyer/rust-sdl2#755f163e)`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.34.1 (https://github.com/AngryLawyer/rust-sdl2#755f163e)`
[INFO] [stderr]     ... which is depended on by `circles v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `"docker" "inspect" "bf2de403b962826b96d1e28ad331641531c67226f7503c534891fafb51aaf62e"`
[INFO] running `"docker" "rm" "-f" "bf2de403b962826b96d1e28ad331641531c67226f7503c534891fafb51aaf62e"`
[INFO] [stdout] bf2de403b962826b96d1e28ad331641531c67226f7503c534891fafb51aaf62e