[INFO] fetching crate visit 0.1.0...
[INFO] testing visit-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate visit 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate visit 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate visit 0.1.0
[INFO] finished tweaking crates.io crate visit 0.1.0
[INFO] tweaked toml for crates.io crate visit 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.1
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded bitflags v0.6.0
[INFO] [stderr]   Downloaded sdl2 v0.25.0
[INFO] [stderr]   Downloaded case v1.0.0
[INFO] [stderr]   Downloaded sdl2-sys v0.25.0
[INFO] [stderr]   Downloaded rand v0.8.1
[INFO] [stderr]   Downloaded sdl2 v0.34.3
[INFO] [stderr]   Downloaded sdl2-sys v0.34.3
[INFO] [stderr]   Downloaded sdl2_image v0.25.0
[INFO] [stderr]   Downloaded simple v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1051e1b6b4b53970cff61feb56b5579022084451d503514ed0b6f1eebeff91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac1051e1b6b4b53970cff61feb56b5579022084451d503514ed0b6f1eebeff91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1051e1b6b4b53970cff61feb56b5579022084451d503514ed0b6f1eebeff91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1051e1b6b4b53970cff61feb56b5579022084451d503514ed0b6f1eebeff91", kill_on_drop: false }`
[INFO] [stdout] ac1051e1b6b4b53970cff61feb56b5579022084451d503514ed0b6f1eebeff91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 392d4fccd2c1acac216cc05f315b2b2ae6d2dab477ece176b2e2e947f0e0cc5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "392d4fccd2c1acac216cc05f315b2b2ae6d2dab477ece176b2e2e947f0e0cc5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling case v1.0.0
[INFO] [stderr]    Compiling visit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.06s
[INFO] running `Command { std: "docker" "inspect" "392d4fccd2c1acac216cc05f315b2b2ae6d2dab477ece176b2e2e947f0e0cc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392d4fccd2c1acac216cc05f315b2b2ae6d2dab477ece176b2e2e947f0e0cc5f", kill_on_drop: false }`
[INFO] [stdout] 392d4fccd2c1acac216cc05f315b2b2ae6d2dab477ece176b2e2e947f0e0cc5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f571386eb55746dddbf7c616023f45843f7ea6822c9d8f7fe099a4e086c60b69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f571386eb55746dddbf7c616023f45843f7ea6822c9d8f7fe099a4e086c60b69", 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_image v0.25.0`
[INFO] [stderr]     ... which is depended on by `simple v0.1.0`
[INFO] [stderr]     ... which is depended on by `visit 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 `simple v0.1.0`
[INFO] [stderr]     ... which is depended on by `visit v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `Command { std: "docker" "inspect" "f571386eb55746dddbf7c616023f45843f7ea6822c9d8f7fe099a4e086c60b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f571386eb55746dddbf7c616023f45843f7ea6822c9d8f7fe099a4e086c60b69", kill_on_drop: false }`
[INFO] [stdout] f571386eb55746dddbf7c616023f45843f7ea6822c9d8f7fe099a4e086c60b69