[INFO] cloning repository https://github.com/andrew-pa/rstetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrew-pa/rstetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-pa%2Frstetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-pa%2Frstetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fa133606893685ab03ff49303eaffb61752fe84
[INFO] checking andrew-pa/rstetris against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrew-pa%2Frstetris" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrew-pa/rstetris on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrew-pa/rstetris
[INFO] finished tweaking git repo https://github.com/andrew-pa/rstetris
[INFO] tweaked toml for git repo https://github.com/andrew-pa/rstetris written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/andrew-pa/rstetris already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 9ae84fe66e9b250547314458cbc7d06d9e485a85857361980093abea0cd01c51
[INFO] running `Command { std: "docker" "start" "-a" "9ae84fe66e9b250547314458cbc7d06d9e485a85857361980093abea0cd01c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae84fe66e9b250547314458cbc7d06d9e485a85857361980093abea0cd01c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae84fe66e9b250547314458cbc7d06d9e485a85857361980093abea0cd01c51", kill_on_drop: false }`
[INFO] [stdout] 9ae84fe66e9b250547314458cbc7d06d9e485a85857361980093abea0cd01c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7be5a8318ce5c9097cef0dcd33a3a85fb7f75878f9441003512c0e99574b914a
[INFO] running `Command { std: "docker" "start" "-a" "7be5a8318ce5c9097cef0dcd33a3a85fb7f75878f9441003512c0e99574b914a", kill_on_drop: false }`
[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 v0.25.0`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.25.0`
[INFO] [stderr]     ... which is depended on by `sdl2_ttf v0.25.1`
[INFO] [stderr]     ... which is depended on by `tetris v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `SDL2`
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.34.3`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.34.3`
[INFO] [stderr]     ... which is depended on by `tetris v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `Command { std: "docker" "inspect" "7be5a8318ce5c9097cef0dcd33a3a85fb7f75878f9441003512c0e99574b914a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be5a8318ce5c9097cef0dcd33a3a85fb7f75878f9441003512c0e99574b914a", kill_on_drop: false }`
[INFO] [stdout] 7be5a8318ce5c9097cef0dcd33a3a85fb7f75878f9441003512c0e99574b914a