[INFO] fetching crate dendrite 0.6.2...
[INFO] testing dendrite-0.6.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dendrite 0.6.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dendrite 0.6.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dendrite 0.6.2
[INFO] finished tweaking crates.io crate dendrite 0.6.2
[INFO] tweaked toml for crates.io crate dendrite 0.6.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea9f06da367657eea81f86bfff1ae0f7b58028b2aca0c8bdc3caba27fe13cd13
[INFO] running `Command { std: "docker" "start" "-a" "ea9f06da367657eea81f86bfff1ae0f7b58028b2aca0c8bdc3caba27fe13cd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea9f06da367657eea81f86bfff1ae0f7b58028b2aca0c8bdc3caba27fe13cd13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9f06da367657eea81f86bfff1ae0f7b58028b2aca0c8bdc3caba27fe13cd13", kill_on_drop: false }`
[INFO] [stdout] ea9f06da367657eea81f86bfff1ae0f7b58028b2aca0c8bdc3caba27fe13cd13
[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" "RUSTFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0caf11474346e7d4a0f481ce88240602e42cf7bcf0ebaeb62f968dd1696b684
[INFO] running `Command { std: "docker" "start" "-a" "b0caf11474346e7d4a0f481ce88240602e42cf7bcf0ebaeb62f968dd1696b684", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]    Compiling dendrite v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `dendrite v0.6.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/dendrite-013f3a000bb4a066/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, 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" "b0caf11474346e7d4a0f481ce88240602e42cf7bcf0ebaeb62f968dd1696b684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0caf11474346e7d4a0f481ce88240602e42cf7bcf0ebaeb62f968dd1696b684", kill_on_drop: false }`
[INFO] [stdout] b0caf11474346e7d4a0f481ce88240602e42cf7bcf0ebaeb62f968dd1696b684