[INFO] fetching crate lol-core 0.9.5...
[INFO] testing lol-core-0.9.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate lol-core 0.9.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lol-core 0.9.5
[INFO] finished tweaking crates.io crate lol-core 0.9.5
[INFO] tweaked toml for crates.io crate lol-core 0.9.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lol-core 0.9.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 198 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding derive_builder v0.10.2 (available: v0.20.2)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.1.1)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding http-serde v1.1.3 (available: v2.1.1)
[INFO] [stderr]       Adding phi-detector v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding prost v0.11.9 (available: v0.14.3)
[INFO] [stderr]       Adding prost-build v0.11.9 (available: v0.14.3)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding rocksdb v0.19.0 (available: v0.24.0)
[INFO] [stderr]       Adding serial_test v0.9.0 (available: v3.4.0)
[INFO] [stderr]       Adding tonic v0.8.3 (available: v0.14.5)
[INFO] [stderr]       Adding tonic-build v0.8.4 (available: v0.14.5)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0213d8a29c76f00324afd52c058b4a1e9523c60dd3eb62fac1b96c8f5c1e0ca6
[INFO] running `Command { std: "docker" "start" "-a" "0213d8a29c76f00324afd52c058b4a1e9523c60dd3eb62fac1b96c8f5c1e0ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0213d8a29c76f00324afd52c058b4a1e9523c60dd3eb62fac1b96c8f5c1e0ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0213d8a29c76f00324afd52c058b4a1e9523c60dd3eb62fac1b96c8f5c1e0ca6", kill_on_drop: false }`
[INFO] [stdout] 0213d8a29c76f00324afd52c058b4a1e9523c60dd3eb62fac1b96c8f5c1e0ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14fa50acc848941c2cc23f236bc34ce40c0702009b68e92624c3fc7b565ecfc8
[INFO] running `Command { std: "docker" "start" "-a" "14fa50acc848941c2cc23f236bc34ce40c0702009b68e92624c3fc7b565ecfc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling phi-detector v0.3.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling http-serde v1.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling derive_builder v0.10.2
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling tonic-build v0.8.4
[INFO] [stderr]    Compiling lol-core v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.1
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr] error: failed to run custom build command for `lol-core v0.9.5 (/opt/rustwide/workdir)`
[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/lol-core-5a675f6f9889922d/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=lol_core.proto
[INFO] [stderr]   cargo:rerun-if-changed=proto
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "14fa50acc848941c2cc23f236bc34ce40c0702009b68e92624c3fc7b565ecfc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fa50acc848941c2cc23f236bc34ce40c0702009b68e92624c3fc7b565ecfc8", kill_on_drop: false }`
[INFO] [stdout] 14fa50acc848941c2cc23f236bc34ce40c0702009b68e92624c3fc7b565ecfc8