[INFO] fetching crate sdl2-sys 0.34.3...
[INFO] testing sdl2-sys-0.34.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sdl2-sys 0.34.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sdl2-sys 0.34.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sdl2-sys 0.34.3
[INFO] finished tweaking crates.io crate sdl2-sys 0.34.3
[INFO] tweaked toml for crates.io crate sdl2-sys 0.34.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sdl2-sys 0.34.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0d8abf232959edd2a493318389d5166af8e6ad752092d9bf299a580bdb548e5
[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" "f0d8abf232959edd2a493318389d5166af8e6ad752092d9bf299a580bdb548e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d8abf232959edd2a493318389d5166af8e6ad752092d9bf299a580bdb548e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d8abf232959edd2a493318389d5166af8e6ad752092d9bf299a580bdb548e5", kill_on_drop: false }`
[INFO] [stdout] f0d8abf232959edd2a493318389d5166af8e6ad752092d9bf299a580bdb548e5
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c89267af98eb66a55add5c8b0f90dac9b36e45ae4eef9c7c18ad52811365b25d
[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" "c89267af98eb66a55add5c8b0f90dac9b36e45ae4eef9c7c18ad52811365b25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "c89267af98eb66a55add5c8b0f90dac9b36e45ae4eef9c7c18ad52811365b25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89267af98eb66a55add5c8b0f90dac9b36e45ae4eef9c7c18ad52811365b25d", kill_on_drop: false }`
[INFO] [stdout] c89267af98eb66a55add5c8b0f90dac9b36e45ae4eef9c7c18ad52811365b25d
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c760f61f4ce821cabdc3029f4ae74c278b9f1c60353261d8b0c3d3625f3447d3
[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" "c760f61f4ce821cabdc3029f4ae74c278b9f1c60353261d8b0c3d3625f3447d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.34.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl2-sys`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c760f61f4ce821cabdc3029f4ae74c278b9f1c60353261d8b0c3d3625f3447d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c760f61f4ce821cabdc3029f4ae74c278b9f1c60353261d8b0c3d3625f3447d3", kill_on_drop: false }`
[INFO] [stdout] c760f61f4ce821cabdc3029f4ae74c278b9f1c60353261d8b0c3d3625f3447d3