[INFO] cloning repository https://github.com/michaelb/sniprun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelb/sniprun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Fsniprun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Fsniprun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a55abc8b59bb014ea4cef0456a8ac3a5f022809
[INFO] documenting michaelb/sniprun against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Fsniprun" "/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/michaelb/sniprun 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 git repo https://github.com/michaelb/sniprun
[INFO] finished tweaking git repo https://github.com/michaelb/sniprun
[INFO] tweaked toml for git repo https://github.com/michaelb/sniprun written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelb/sniprun already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-logging v2.0.2
[INFO] [stderr]   Downloaded inventory v0.1.8
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded inventory-impl v0.1.8
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded pyo3cls v0.11.1
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded rmpv v0.4.5
[INFO] [stderr]   Downloaded neovim-lib v0.6.1
[INFO] [stderr]   Downloaded pyo3 v0.11.1
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.11.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fdcecfbf0d35658e97b473bfcebbdb1c24584040a47bc745a31bb1cd857a939
[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" "5fdcecfbf0d35658e97b473bfcebbdb1c24584040a47bc745a31bb1cd857a939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fdcecfbf0d35658e97b473bfcebbdb1c24584040a47bc745a31bb1cd857a939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fdcecfbf0d35658e97b473bfcebbdb1c24584040a47bc745a31bb1cd857a939", kill_on_drop: false }`
[INFO] [stdout] 5fdcecfbf0d35658e97b473bfcebbdb1c24584040a47bc745a31bb1cd857a939
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bfd6aeabb76f3f81634d80241596e5b67a2f4329564789b8a7df2467bbdabe9
[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" "6bfd6aeabb76f3f81634d80241596e5b67a2f4329564789b8a7df2467bbdabe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]    Compiling sniprun v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr] error: failed to run custom build command for `sniprun v0.3.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/sniprun-d9675ca694534346/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]                                
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters
[INFO] [stderr]                                         
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/C_original.rs
[INFO] [stderr]               
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/Lua_nvim.rs
[INFO] [stderr]               
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/JS_original.rs
[INFO] [stderr]               
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/Generic.rs
[INFO] [stderr]               
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/Rust_original.rs
[INFO] [stderr]               
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/Python3_original.rs
[INFO] [stderr]               
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/import.rs
[INFO] [stderr]               
[INFO] [stderr]   cargo:rerun-if-changed=src/interpreters/Bash_original.rs
[INFO] [stderr]               
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6bfd6aeabb76f3f81634d80241596e5b67a2f4329564789b8a7df2467bbdabe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfd6aeabb76f3f81634d80241596e5b67a2f4329564789b8a7df2467bbdabe9", kill_on_drop: false }`
[INFO] [stdout] 6bfd6aeabb76f3f81634d80241596e5b67a2f4329564789b8a7df2467bbdabe9