[INFO] fetching crate game2048 0.0.5...
[INFO] testing game2048-0.0.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate game2048 0.0.5 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate game2048 0.0.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded sdl2-sys v0.6.2
[INFO] [stderr]   Downloaded bitflags v0.6.0
[INFO] [stderr]   Downloaded sdl2_ttf v0.25.1
[INFO] [stderr]   Downloaded sdl2_gfx v0.24.0
[INFO] [stderr]   Downloaded c_vec v1.0.12
[INFO] [stderr]   Downloaded sdl2 v0.25.0
[INFO] [stderr]   Downloaded sdl2 v0.24.0
[INFO] [stderr]   Downloaded sdl2 v0.9.1
[INFO] [stderr]   Downloaded sdl2-sys v0.25.0
[INFO] [stderr]   Downloaded sdl2-sys v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f2a9ae3225533c5d3e27ec1d0495970370a69147a535b9ef187ad83413b9a8
[INFO] running `Command { std: "docker" "start" "-a" "f5f2a9ae3225533c5d3e27ec1d0495970370a69147a535b9ef187ad83413b9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f2a9ae3225533c5d3e27ec1d0495970370a69147a535b9ef187ad83413b9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f2a9ae3225533c5d3e27ec1d0495970370a69147a535b9ef187ad83413b9a8", kill_on_drop: false }`
[INFO] [stdout] f5f2a9ae3225533c5d3e27ec1d0495970370a69147a535b9ef187ad83413b9a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6fb7f4d5fb46665d8ced76ec63bece080e53a4299dff21f77e3ad101816b0c7
[INFO] running `Command { std: "docker" "start" "-a" "f6fb7f4d5fb46665d8ced76ec63bece080e53a4299dff21f77e3ad101816b0c7", kill_on_drop: false }`
[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" "f6fb7f4d5fb46665d8ced76ec63bece080e53a4299dff21f77e3ad101816b0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fb7f4d5fb46665d8ced76ec63bece080e53a4299dff21f77e3ad101816b0c7", kill_on_drop: false }`
[INFO] [stdout] f6fb7f4d5fb46665d8ced76ec63bece080e53a4299dff21f77e3ad101816b0c7