[INFO] cloning repository https://github.com/missionpinball/mpf-spike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/missionpinball/mpf-spike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmissionpinball%2Fmpf-spike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmissionpinball%2Fmpf-spike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75c791597106bd1345699f6c6c96343dd9c8e01c
[INFO] documenting missionpinball/mpf-spike against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmissionpinball%2Fmpf-spike" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/missionpinball/mpf-spike on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/missionpinball/mpf-spike
[INFO] finished tweaking git repo https://github.com/missionpinball/mpf-spike
[INFO] tweaked toml for git repo https://github.com/missionpinball/mpf-spike written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/missionpinball/mpf-spike already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] eb350bfbb5ab292c0f250c0b9295dee8e9bc4288bd01edbf81f81365b98fbe47
[INFO] running `Command { std: "docker" "start" "-a" "eb350bfbb5ab292c0f250c0b9295dee8e9bc4288bd01edbf81f81365b98fbe47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb350bfbb5ab292c0f250c0b9295dee8e9bc4288bd01edbf81f81365b98fbe47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb350bfbb5ab292c0f250c0b9295dee8e9bc4288bd01edbf81f81365b98fbe47", kill_on_drop: false }`
[INFO] [stdout] eb350bfbb5ab292c0f250c0b9295dee8e9bc4288bd01edbf81f81365b98fbe47
[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" "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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fdcfd81515a9883a3ea66594d0ed23c2108e8b9791a6bb9552a0c7be73e2d2c
[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" "9fdcfd81515a9883a3ea66594d0ed23c2108e8b9791a6bb9552a0c7be73e2d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking gpio v0.4.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking ioctl-rs v0.2.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking timeout-readwrite v0.1.0
[INFO] [stderr]  Documenting mpf-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `GIT_HASH` not defined
[INFO] [stdout]    --> src/main.rs:638:28
[INFO] [stdout]     |
[INFO] [stdout] 638 |     trace!("Git Hash: {}", env!("GIT_HASH"));
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `mpf-spike`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name mpf_spike src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern gpio=/opt/rustwide/target/debug/deps/libgpio-9d9990e6877597fe.rmeta --extern ioctl_rs=/opt/rustwide/target/debug/deps/libioctl_rs-5029abf9662ecbe9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-3acf864a35138a22.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-4f27ce0b1ce6a5e9.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-47bb2e9c93315dc3.rmeta --extern stderrlog=/opt/rustwide/target/debug/deps/libstderrlog-89950949047dda0b.rmeta --extern termios=/opt/rustwide/target/debug/deps/libtermios-501a48c8a22e9252.rmeta --extern timeout_readwrite=/opt/rustwide/target/debug/deps/libtimeout_readwrite-e4f3c6b65d48db0d.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9fdcfd81515a9883a3ea66594d0ed23c2108e8b9791a6bb9552a0c7be73e2d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fdcfd81515a9883a3ea66594d0ed23c2108e8b9791a6bb9552a0c7be73e2d2c", kill_on_drop: false }`
[INFO] [stdout] 9fdcfd81515a9883a3ea66594d0ed23c2108e8b9791a6bb9552a0c7be73e2d2c