[INFO] updating cached repository meh/miserve
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/meh/miserve
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/meh/miserve" "work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/meh/miserve"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/meh/miserve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meh/miserve" "work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/meh/miserve"`
[INFO] [stderr] Cloning into 'work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/meh/miserve'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18bf3ca945cffa8b6f97f088f04c918e741f7dd9
[INFO] sha for GitHub repo meh/miserve: 18bf3ca945cffa8b6f97f088f04c918e741f7dd9
[INFO] validating manifest of meh/miserve 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 meh/miserve 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 meh/miserve
[INFO] removed path dependency servo from meh/miserve
[INFO] finished frobbing meh/miserve
[INFO] frobbed toml for meh/miserve written to work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/meh/miserve/Cargo.toml
[INFO] started frobbing meh/miserve
[INFO] removed path dependency servo from meh/miserve
[INFO] finished frobbing meh/miserve
[INFO] frobbed toml for meh/miserve written to work/ex/pr-60620/sources/try#a7cff45e655f886da150e206c7acbe984df4ab71/gh/meh/miserve/Cargo.toml
[INFO] crate meh/miserve 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] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/meh/miserve/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/tomaka/glutin`
[INFO] [stderr]     Updating git repository `https://github.com/servo/servo`
[INFO] [stderr]     Updating git repository `https://github.com/rust-windowing/winit.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/osmesa-src`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/servo/gaol`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-azure`
[INFO] [stderr]     Updating git repository `https://github.com/servo/fontsan`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating git repository `https://github.com/tomaka/glutin`
[INFO] [stderr]     Updating git repository `https://github.com/servo/servo`
[INFO] [stderr]     Updating git repository `https://github.com/rust-windowing/winit.git`
[INFO] [stderr]     Updating git repository `https://github.com/servo/osmesa-src`
[INFO] [stderr]     Updating git repository `https://github.com/servo/media`
[INFO] [stderr]     Updating git repository `https://github.com/servo/webrender`
[INFO] [stderr]     Updating git repository `https://github.com/servo/gaol`
[INFO] [stderr]     Updating git repository `https://github.com/servo/devices`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-azure`
[INFO] [stderr]     Updating git repository `https://github.com/servo/fontsan`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/signpost.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-webvr-api v0.11.0
[INFO] [stderr]   Downloaded rust-webvr v0.11.0
[INFO] [stderr]   Downloaded svg_fmt v0.4.0
[INFO] [stderr]   Downloaded glx v0.2.5
[INFO] [stderr]   Downloaded offscreen_gl_context v0.22.1
[INFO] [stderr]   Downloaded unicode-script v0.3.0
[INFO] [stderr]   Downloaded servo-skia v0.30000021.1
[INFO] [stderr]   Downloaded mozjs_sys v0.61.13
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a7cff45e655f886da150e206c7acbe984df4ab71-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking meh/miserve against master#ef01f29964df207f181bd5bcf236e41372a17273 for pr-60620
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60620/worker-5/master#ef01f29964df207f181bd5bcf236e41372a17273:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60620/sources/master#ef01f29964df207f181bd5bcf236e41372a17273/gh/meh/miserve:/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" "+ef01f29964df207f181bd5bcf236e41372a17273-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49e4ecc93e8cdc3523c10c6a00a07fd6ac7728e250833b87eba8618d6843899a
[INFO] running `"docker" "start" "-a" "49e4ecc93e8cdc3523c10c6a00a07fd6ac7728e250833b87eba8618d6843899a"`
[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" "49e4ecc93e8cdc3523c10c6a00a07fd6ac7728e250833b87eba8618d6843899a"`
[INFO] running `"docker" "rm" "-f" "49e4ecc93e8cdc3523c10c6a00a07fd6ac7728e250833b87eba8618d6843899a"`
[INFO] [stdout] 49e4ecc93e8cdc3523c10c6a00a07fd6ac7728e250833b87eba8618d6843899a