[INFO] updating cached repository miyamoen/first-tokio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/miyamoen/first-tokio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/miyamoen/first-tokio" "work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/miyamoen/first-tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/miyamoen/first-tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/miyamoen/first-tokio" "work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/miyamoen/first-tokio"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/miyamoen/first-tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc298e447c937b052e673dafe6b116160417c6e6
[INFO] sha for GitHub repo miyamoen/first-tokio: bc298e447c937b052e673dafe6b116160417c6e6
[INFO] validating manifest of miyamoen/first-tokio on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of miyamoen/first-tokio on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing miyamoen/first-tokio
[INFO] finished frobbing miyamoen/first-tokio
[INFO] frobbed toml for miyamoen/first-tokio written to work/ex/pr-60620-1/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/miyamoen/first-tokio/Cargo.toml
[INFO] started frobbing miyamoen/first-tokio
[INFO] finished frobbing miyamoen/first-tokio
[INFO] frobbed toml for miyamoen/first-tokio written to work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/miyamoen/first-tokio/Cargo.toml
[INFO] crate miyamoen/first-tokio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking miyamoen/first-tokio against try#a7cff45e655f886da150e206c7acbe984df4ab71 for pr-60620-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60620-1/worker-6/try#a7cff45e655f886da150e206c7acbe984df4ab71:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60620-1/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/miyamoen/first-tokio:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c83ddc6b0b491af2aa26bb9b94edb232e4475354d655a9741287ffa4e93229d3
[INFO] running `"docker" "start" "-a" "c83ddc6b0b491af2aa26bb9b94edb232e4475354d655a9741287ffa4e93229d3"`
[INFO] [stderr] error: failed to acquire package cache lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to open: /opt/crater/cargo-home/.package-cache
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `"docker" "inspect" "c83ddc6b0b491af2aa26bb9b94edb232e4475354d655a9741287ffa4e93229d3"`
[INFO] running `"docker" "rm" "-f" "c83ddc6b0b491af2aa26bb9b94edb232e4475354d655a9741287ffa4e93229d3"`
[INFO] [stdout] c83ddc6b0b491af2aa26bb9b94edb232e4475354d655a9741287ffa4e93229d3