[INFO] fetching crate game2048 0.0.5...
[INFO] testing game2048-0.0.5 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate game2048 0.0.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate game2048 0.0.5 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate game2048 0.0.5
[INFO] finished tweaking crates.io crate game2048 0.0.5
[INFO] tweaked toml for crates.io crate game2048 0.0.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 54cd7b17a6a6bf2a5ac537e12264212600cfd0b12f0708085ced0723edac8a79
[INFO] running `Command { std: "docker" "start" "-a" "54cd7b17a6a6bf2a5ac537e12264212600cfd0b12f0708085ced0723edac8a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54cd7b17a6a6bf2a5ac537e12264212600cfd0b12f0708085ced0723edac8a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cd7b17a6a6bf2a5ac537e12264212600cfd0b12f0708085ced0723edac8a79", kill_on_drop: false }`
[INFO] [stdout] 54cd7b17a6a6bf2a5ac537e12264212600cfd0b12f0708085ced0723edac8a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] 7d16a7ea0f9015ce54e8ee677ee36119461a16c407ea6ff6ddd377b5ba560b51
[INFO] running `Command { std: "docker" "start" "-a" "7d16a7ea0f9015ce54e8ee677ee36119461a16c407ea6ff6ddd377b5ba560b51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 v0.6.2`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.9.1`
[INFO] [stderr]     ... which is depended on by `game2048 v0.0.5 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `SDL2`
[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`
[INFO] [stderr]     ... which is depended on by `game2048 v0.0.5 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `Command { std: "docker" "inspect" "7d16a7ea0f9015ce54e8ee677ee36119461a16c407ea6ff6ddd377b5ba560b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d16a7ea0f9015ce54e8ee677ee36119461a16c407ea6ff6ddd377b5ba560b51", kill_on_drop: false }`
[INFO] [stdout] 7d16a7ea0f9015ce54e8ee677ee36119461a16c407ea6ff6ddd377b5ba560b51