[INFO] cloning repository https://github.com/beta-ziliani/rust-macro-lang-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beta-ziliani/rust-macro-lang-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeta-ziliani%2Frust-macro-lang-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeta-ziliani%2Frust-macro-lang-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa0e8ac628e98532014cc47b27b9fa024cbc95f4
[INFO] documenting beta-ziliani/rust-macro-lang-generator against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeta-ziliani%2Frust-macro-lang-generator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beta-ziliani/rust-macro-lang-generator
[INFO] finished tweaking git repo https://github.com/beta-ziliani/rust-macro-lang-generator
[INFO] tweaked toml for git repo https://github.com/beta-ziliani/rust-macro-lang-generator written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beta-ziliani/rust-macro-lang-generator on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beta-ziliani/rust-macro-lang-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting beta-ziliani/rust-macro-lang-generator against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeta-ziliani%2Frust-macro-lang-generator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beta-ziliani/rust-macro-lang-generator
[INFO] finished tweaking git repo https://github.com/beta-ziliani/rust-macro-lang-generator
[INFO] tweaked toml for git repo https://github.com/beta-ziliani/rust-macro-lang-generator written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beta-ziliani/rust-macro-lang-generator on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beta-ziliani/rust-macro-lang-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 882485da66bb2e67d0872c114bbd3f17e7a6197bf34cd6276d18f0571b4172a4
[INFO] running `Command { std: "docker" "start" "-a" "882485da66bb2e67d0872c114bbd3f17e7a6197bf34cd6276d18f0571b4172a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "882485da66bb2e67d0872c114bbd3f17e7a6197bf34cd6276d18f0571b4172a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "882485da66bb2e67d0872c114bbd3f17e7a6197bf34cd6276d18f0571b4172a4", kill_on_drop: false }`
[INFO] [stdout] 882485da66bb2e67d0872c114bbd3f17e7a6197bf34cd6276d18f0571b4172a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3441c4bbaeb1f99eeaaae8962e797c8bb5af62fdc68e70ef56509ebda1876c98
[INFO] running `Command { std: "docker" "start" "-a" "3441c4bbaeb1f99eeaaae8962e797c8bb5af62fdc68e70ef56509ebda1876c98", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rust-ldw v0.1.0 (/opt/rustwide/workdir/crates/example)
[INFO] [stderr] error: failed to run custom build command for `rust-ldw v0.1.0 (/opt/rustwide/workdir/crates/example)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-ldw-50d2a0ef870a4b5b/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rustc-env=RUST_BACKTRACE=1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "3441c4bbaeb1f99eeaaae8962e797c8bb5af62fdc68e70ef56509ebda1876c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3441c4bbaeb1f99eeaaae8962e797c8bb5af62fdc68e70ef56509ebda1876c98", kill_on_drop: false }`
[INFO] [stdout] 3441c4bbaeb1f99eeaaae8962e797c8bb5af62fdc68e70ef56509ebda1876c98