[INFO] crate uuid_v1 0.1.2 is already in cache
[INFO] testing uuid_v1-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate uuid_v1 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate uuid_v1 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uuid_v1 0.1.2
[INFO] finished tweaking crates.io crate uuid_v1 0.1.2
[INFO] tweaked toml for crates.io crate uuid_v1 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe056eabfe41a65aa738777320c97f5f31bad30cbc61a1d17fd7c3abd08c27c9
[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" "fe056eabfe41a65aa738777320c97f5f31bad30cbc61a1d17fd7c3abd08c27c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe056eabfe41a65aa738777320c97f5f31bad30cbc61a1d17fd7c3abd08c27c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe056eabfe41a65aa738777320c97f5f31bad30cbc61a1d17fd7c3abd08c27c9", kill_on_drop: false }`
[INFO] [stdout] fe056eabfe41a65aa738777320c97f5f31bad30cbc61a1d17fd7c3abd08c27c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a2f22af9d60c3dd9bd9fa8ffc0a443ca463a0c51f7ec17b483bcea6ac7decb4
[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" "2a2f22af9d60c3dd9bd9fa8ffc0a443ca463a0c51f7ec17b483bcea6ac7decb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling ip v1.1.1
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling handlebars v0.16.1
[INFO] [stderr]    Compiling interfaces v0.0.1
[INFO] [stderr] error: failed to run custom build command for `interfaces v0.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/interfaces-494088a9eeee79fb/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Error creating `constants.c` from template
[INFO] [stderr]   -> IoError(Os { code: 30, kind: Other, message: "Read-only file system" })
[INFO] running `Command { std: "docker" "inspect" "2a2f22af9d60c3dd9bd9fa8ffc0a443ca463a0c51f7ec17b483bcea6ac7decb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2f22af9d60c3dd9bd9fa8ffc0a443ca463a0c51f7ec17b483bcea6ac7decb4", kill_on_drop: false }`
[INFO] [stdout] 2a2f22af9d60c3dd9bd9fa8ffc0a443ca463a0c51f7ec17b483bcea6ac7decb4