[INFO] fetching crate algs4 0.7.0...
[INFO] checking algs4-0.7.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate algs4 0.7.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate algs4 0.7.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algs4 0.7.0
[INFO] finished tweaking crates.io crate algs4 0.7.0
[INFO] tweaked toml for crates.io crate algs4 0.7.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (sdl2) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (sdl2_gfx) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dev-dependencies.sdl2.sdl2
[INFO] [stderr] warning: unused manifest key: dev-dependencies.sdl2_gfx.sdl2_gfx
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] [stderr]   Downloaded sdl2 v0.35.1
[INFO] [stderr]   Downloaded sdl2-sys v0.35.1
[INFO] [stderr]   Downloaded adivon v0.2.6
[INFO] [stderr]   Downloaded mtl v0.1.5
[INFO] [stderr]   Downloaded sdl2 v0.24.0
[INFO] [stderr]   Downloaded sdl2-sys v0.24.0
[INFO] [stderr]   Downloaded sdl2_gfx v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f25d4566972c1dd886fd90200e176062a3167f28725221715393a4b2cb4c60
[INFO] running `Command { std: "docker" "start" "-a" "44f25d4566972c1dd886fd90200e176062a3167f28725221715393a4b2cb4c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f25d4566972c1dd886fd90200e176062a3167f28725221715393a4b2cb4c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f25d4566972c1dd886fd90200e176062a3167f28725221715393a4b2cb4c60", kill_on_drop: false }`
[INFO] [stdout] 44f25d4566972c1dd886fd90200e176062a3167f28725221715393a4b2cb4c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32561b3d00e7c23409b07dbfad771cad414c648f196471a97dd3c385cbbf484d
[INFO] running `Command { std: "docker" "start" "-a" "32561b3d00e7c23409b07dbfad771cad414c648f196471a97dd3c385cbbf484d", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (sdl2) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (sdl2_gfx) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dev-dependencies.sdl2.sdl2
[INFO] [stderr] warning: unused manifest key: dev-dependencies.sdl2_gfx.sdl2_gfx
[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 satisfies dependency `sdl2-sys = "^0.24.0"` (locked to 0.24.0) of package `sdl2 v0.24.0`
[INFO] [stderr]     ... which satisfies dependency `sdl2 = "^0.24"` (locked to 0.24.0) of package `sdl2_gfx v0.24.0`
[INFO] [stderr]     ... which satisfies dependency `sdl2_gfx = "*"` (locked to 0.24.0) of package `algs4 v0.7.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `SDL2`
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.35.1`
[INFO] [stderr]     ... which satisfies dependency `sdl2-sys = "^0.35.1"` (locked to 0.35.1) of package `sdl2 v0.35.1`
[INFO] [stderr]     ... which satisfies dependency `sdl2 = "*"` (locked to 0.35.1) of package `algs4 v0.7.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `Command { std: "docker" "inspect" "32561b3d00e7c23409b07dbfad771cad414c648f196471a97dd3c385cbbf484d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32561b3d00e7c23409b07dbfad771cad414c648f196471a97dd3c385cbbf484d", kill_on_drop: false }`
[INFO] [stdout] 32561b3d00e7c23409b07dbfad771cad414c648f196471a97dd3c385cbbf484d