[INFO] fetching crate flare-core 0.1.2...
[INFO] testing flare-core-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate flare-core 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate flare-core 0.1.2
[INFO] finished tweaking crates.io crate flare-core 0.1.2
[INFO] tweaked toml for crates.io crate flare-core 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flare-core 0.1.2 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] crate crates.io crate flare-core 0.1.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 18f398d9472a68934a43a82cc707994adbb3cb7037e4336b88d54bd89b09d66e
[INFO] running `Command { std: "docker" "start" "-a" "18f398d9472a68934a43a82cc707994adbb3cb7037e4336b88d54bd89b09d66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f398d9472a68934a43a82cc707994adbb3cb7037e4336b88d54bd89b09d66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f398d9472a68934a43a82cc707994adbb3cb7037e4336b88d54bd89b09d66e", kill_on_drop: false }`
[INFO] [stdout] 18f398d9472a68934a43a82cc707994adbb3cb7037e4336b88d54bd89b09d66e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d90e65e92c71d40bf72bcbe6a62824e022559302e7d2179b470f74f5883eef6f
[INFO] running `Command { std: "docker" "start" "-a" "d90e65e92c71d40bf72bcbe6a62824e022559302e7d2179b470f74f5883eef6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling rustls v0.23.34
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling aws-lc-sys v0.32.3
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling quinn-udp v0.5.14
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling rustls-native-certs v0.8.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling quinn v0.11.9
[INFO] [stderr]    Compiling fastbloom v0.14.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling lru-slab v0.1.2
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling prost v0.14.1
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling prost-types v0.14.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.1
[INFO] [stderr]    Compiling prost-build v0.14.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling tungstenite v0.28.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling flare-core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr] error: failed to run custom build command for `flare-core v0.1.2 (/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/flare-core-7961d62b1de2cdbb/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] running `Command { std: "docker" "inspect" "d90e65e92c71d40bf72bcbe6a62824e022559302e7d2179b470f74f5883eef6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90e65e92c71d40bf72bcbe6a62824e022559302e7d2179b470f74f5883eef6f", kill_on_drop: false }`
[INFO] [stdout] d90e65e92c71d40bf72bcbe6a62824e022559302e7d2179b470f74f5883eef6f