[INFO] fetching crate nomino 0.4.2...
[INFO] documenting nomino-0.4.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nomino 0.4.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nomino 0.4.2 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 nomino 0.4.2
[INFO] finished tweaking crates.io crate nomino 0.4.2
[INFO] tweaked toml for crates.io crate nomino 0.4.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate nomino 0.4.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.51
[INFO] [stderr]   Downloaded natord v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] dbac203617bcf1b5c73b00ec44c7a2018ff5d09cf0ba81d090e1df445c87497f
[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" "dbac203617bcf1b5c73b00ec44c7a2018ff5d09cf0ba81d090e1df445c87497f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbac203617bcf1b5c73b00ec44c7a2018ff5d09cf0ba81d090e1df445c87497f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbac203617bcf1b5c73b00ec44c7a2018ff5d09cf0ba81d090e1df445c87497f", kill_on_drop: false }`
[INFO] [stdout] dbac203617bcf1b5c73b00ec44c7a2018ff5d09cf0ba81d090e1df445c87497f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 90441cff40f8a37a27eea447f097f7b8e870efaf6990df5faf4f18d581554838
[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" "90441cff40f8a37a27eea447f097f7b8e870efaf6990df5faf4f18d581554838", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling nomino v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr] error: failed to run custom build command for `nomino v0.4.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nomino-cec7bc75008cdfaf/build-script-build` (exit code: 1)
[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" "90441cff40f8a37a27eea447f097f7b8e870efaf6990df5faf4f18d581554838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90441cff40f8a37a27eea447f097f7b8e870efaf6990df5faf4f18d581554838", kill_on_drop: false }`
[INFO] [stdout] 90441cff40f8a37a27eea447f097f7b8e870efaf6990df5faf4f18d581554838