[INFO] updating cached repository cfcosta/poller
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cfcosta/poller
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cfcosta/poller" "work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/cfcosta/poller"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/cfcosta/poller'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  55% (15642/28065)   
Checking out files:  56% (15717/28065)   
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Checking out files: 100% (28065/28065), done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cfcosta/poller" "work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/cfcosta/poller"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/cfcosta/poller'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  55% (15589/28065)   
Checking out files:  56% (15717/28065)   
Checking out files:  57% (15998/28065)   
Checking out files:  58% (16278/28065)   
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Checking out files:  69% (19365/28065)   
Checking out files:  70% (19646/28065)   
Checking out files:  71% (19927/28065)   
Checking out files:  72% (20207/28065)   
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Checking out files: 100% (28065/28065), done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c645dc3ffc65237afd41c723aee27ff445b02f12
[INFO] sha for GitHub repo cfcosta/poller: c645dc3ffc65237afd41c723aee27ff445b02f12
[INFO] validating manifest of cfcosta/poller on toolchain master#ef01f29964df207f181bd5bcf236e41372a17273
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cfcosta/poller on toolchain try#a7cff45e655f886da150e206c7acbe984df4ab71
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cfcosta/poller
[INFO] finished frobbing cfcosta/poller
[INFO] frobbed toml for cfcosta/poller written to work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/cfcosta/poller/Cargo.toml
[INFO] started frobbing cfcosta/poller
[INFO] finished frobbing cfcosta/poller
[INFO] frobbed toml for cfcosta/poller written to work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/cfcosta/poller/Cargo.toml
[INFO] crate cfcosta/poller already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cfcosta/poller against try#a7cff45e655f886da150e206c7acbe984df4ab71 for pr-60620
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60620/worker-2/try#a7cff45e655f886da150e206c7acbe984df4ab71:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/cfcosta/poller:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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] 21665ce1fd696f1b7d3c6d3a4ac67e0eb188eae90a5b0f666bfff9b6e1979390
[INFO] running `"docker" "start" "-a" "21665ce1fd696f1b7d3c6d3a4ac67e0eb188eae90a5b0f666bfff9b6e1979390"`
[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" "21665ce1fd696f1b7d3c6d3a4ac67e0eb188eae90a5b0f666bfff9b6e1979390"`
[INFO] running `"docker" "rm" "-f" "21665ce1fd696f1b7d3c6d3a4ac67e0eb188eae90a5b0f666bfff9b6e1979390"`
[INFO] [stdout] 21665ce1fd696f1b7d3c6d3a4ac67e0eb188eae90a5b0f666bfff9b6e1979390