[INFO] updating cached repository adubois/rust-books [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/adubois/rust-books [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/adubois/rust-books" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/adubois/rust-books"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/adubois/rust-books'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/adubois/rust-books" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/adubois/rust-books"` [INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/adubois/rust-books'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ec5a474deaea1cd47a310d80dc079774b20a44de [INFO] sha for GitHub repo adubois/rust-books: ec5a474deaea1cd47a310d80dc079774b20a44de [INFO] validating manifest of adubois/rust-books on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of adubois/rust-books on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing adubois/rust-books [INFO] finished frobbing adubois/rust-books [INFO] frobbed toml for adubois/rust-books written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/adubois/rust-books/Cargo.toml [INFO] started frobbing adubois/rust-books [INFO] finished frobbing adubois/rust-books [INFO] frobbed toml for adubois/rust-books written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/adubois/rust-books/Cargo.toml [INFO] crate adubois/rust-books has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking adubois/rust-books against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-6/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/adubois/rust-books:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4c2c5bb139ae733a3d113de1f8e04767e975fca187a90ffb915cee35ad2e1729 [INFO] running `"docker" "start" "-a" "4c2c5bb139ae733a3d113de1f8e04767e975fca187a90ffb915cee35ad2e1729"` [INFO] [stderr] error: failed to load source for a dependency on `rocket` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Unable to update https://github.com/SergioBenitez/Rocket#085a1430 [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to open: /opt/crater/cargo-home/git/.cargo-lock-git [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Read-only file system (os error 30) [INFO] running `"docker" "inspect" "4c2c5bb139ae733a3d113de1f8e04767e975fca187a90ffb915cee35ad2e1729"` [INFO] running `"docker" "rm" "-f" "4c2c5bb139ae733a3d113de1f8e04767e975fca187a90ffb915cee35ad2e1729"` [INFO] [stdout] 4c2c5bb139ae733a3d113de1f8e04767e975fca187a90ffb915cee35ad2e1729