[INFO] fetching crate sparkles 0.1.8...
[INFO] checking sparkles-0.1.8 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate sparkles 0.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sparkles 0.1.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sparkles 0.1.8
[INFO] tweaked toml for crates.io crate sparkles 0.1.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparkles 0.1.8 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sparkles 0.1.8 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sparkles-macro v0.1.6
[INFO] [stderr]   Downloaded thread-id v5.0.0
[INFO] [stderr]   Downloaded multicast-discovery-socket v0.1.1
[INFO] [stderr]   Downloaded ringbuf v0.4.8
[INFO] [stderr]   Downloaded sparkles-core v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e83225a8bc23dc4e4852fb40b6de98ba85a77fc093436e034231071f5f4277f6
[INFO] running `Command { std: "docker" "start" "-a" "e83225a8bc23dc4e4852fb40b6de98ba85a77fc093436e034231071f5f4277f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83225a8bc23dc4e4852fb40b6de98ba85a77fc093436e034231071f5f4277f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83225a8bc23dc4e4852fb40b6de98ba85a77fc093436e034231071f5f4277f6", kill_on_drop: false }`
[INFO] [stdout] e83225a8bc23dc4e4852fb40b6de98ba85a77fc093436e034231071f5f4277f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d15acfb24d2f9280011f49e9fee4b92d8a76f4b3be2d300e8ea8a76ed5de812
[INFO] running `Command { std: "docker" "start" "-a" "3d15acfb24d2f9280011f49e9fee4b92d8a76f4b3be2d300e8ea8a76ed5de812", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `lz4_flex v0.11.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `lz4_flex v0.11.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lz4_flex-0.11.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "3d15acfb24d2f9280011f49e9fee4b92d8a76f4b3be2d300e8ea8a76ed5de812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d15acfb24d2f9280011f49e9fee4b92d8a76f4b3be2d300e8ea8a76ed5de812", kill_on_drop: false }`
[INFO] [stdout] 3d15acfb24d2f9280011f49e9fee4b92d8a76f4b3be2d300e8ea8a76ed5de812