[INFO] fetching crate glad-sys 0.0.6...
[INFO] documenting glad-sys-0.0.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate glad-sys 0.0.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate glad-sys 0.0.6 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 62789ddaa192f30308a7c2d6d8228fa4467c9deae13f7cb95e59d3126d66bae6
[INFO] running `Command { std: "docker" "start" "-a" "62789ddaa192f30308a7c2d6d8228fa4467c9deae13f7cb95e59d3126d66bae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62789ddaa192f30308a7c2d6d8228fa4467c9deae13f7cb95e59d3126d66bae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62789ddaa192f30308a7c2d6d8228fa4467c9deae13f7cb95e59d3126d66bae6", kill_on_drop: false }`
[INFO] [stdout] 62789ddaa192f30308a7c2d6d8228fa4467c9deae13f7cb95e59d3126d66bae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21e02ca42ba1545635ea5bab78c8e7be560465f9a123b587647789f34338ca34
[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" "21e02ca42ba1545635ea5bab78c8e7be560465f9a123b587647789f34338ca34", 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-3e7469cf9d8350e0/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" "21e02ca42ba1545635ea5bab78c8e7be560465f9a123b587647789f34338ca34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e02ca42ba1545635ea5bab78c8e7be560465f9a123b587647789f34338ca34", kill_on_drop: false }`
[INFO] [stdout] 21e02ca42ba1545635ea5bab78c8e7be560465f9a123b587647789f34338ca34