[INFO] fetching crate glad-sys 0.0.6...
[INFO] testing glad-sys-0.0.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate glad-sys 0.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate glad-sys 0.0.6 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 glad-sys 0.0.6
[INFO] finished tweaking crates.io crate glad-sys 0.0.6
[INFO] tweaked toml for crates.io crate glad-sys 0.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8789260f78b4b86a4653eb78d73316d4b3f24457ba10be0f01e16992782008d5
[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" "8789260f78b4b86a4653eb78d73316d4b3f24457ba10be0f01e16992782008d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8789260f78b4b86a4653eb78d73316d4b3f24457ba10be0f01e16992782008d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8789260f78b4b86a4653eb78d73316d4b3f24457ba10be0f01e16992782008d5", kill_on_drop: false }`
[INFO] [stdout] 8789260f78b4b86a4653eb78d73316d4b3f24457ba10be0f01e16992782008d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "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] d46cacf2983795a496bc61abba45ad9f06e027d48fd9d01e5fe6514d410ea09b
[INFO] running `Command { std: "docker" "start" "-a" "d46cacf2983795a496bc61abba45ad9f06e027d48fd9d01e5fe6514d410ea09b", kill_on_drop: false }`
[INFO] [stderr]    Compiling glad-sys v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `glad-sys v0.0.6 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/glad-sys-0aabb0e07e713410/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "d46cacf2983795a496bc61abba45ad9f06e027d48fd9d01e5fe6514d410ea09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46cacf2983795a496bc61abba45ad9f06e027d48fd9d01e5fe6514d410ea09b", kill_on_drop: false }`
[INFO] [stdout] d46cacf2983795a496bc61abba45ad9f06e027d48fd9d01e5fe6514d410ea09b