[INFO] cloning repository meh/miserve
[INFO] running `"git" "clone" "--bare" "git://github.com/meh/miserve.git" "work/cache/sources/gh/meh/miserve"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/meh/miserve'...
[INFO] running `"git" "clone" "work/cache/sources/gh/meh/miserve" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/meh/miserve"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/meh/miserve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meh/miserve" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/meh/miserve"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/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#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of meh/miserve on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-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-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/meh/miserve/Cargo.toml
[INFO] crate meh/miserve has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the git checkouts
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-layers`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-png`
[INFO] [stderr]     Blocking waiting for file lock on the git checkouts
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-azure`
[INFO] [stderr]     Updating git repository `https://github.com/pcwalton/ipc-channel`
[INFO] [stderr]     Updating git repository `https://github.com/ecoal95/rust-offscreen-rendering-context`
[INFO] [stderr]     Updating git repository `https://github.com/servo/core-text-rs`
[INFO] [stderr]     Updating git repository `https://github.com/servo/skia`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-fontconfig`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-freetype`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-glx`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-egl`
[INFO] [stderr]     Updating git repository `https://github.com/servo/io-surface-rs`
[INFO] [stderr]     Updating git repository `https://github.com/tomaka/clock_ticks`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-selectors`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-stb-image`
[INFO] [stderr]     Updating git repository `https://github.com/libheartbeats/heartbeats-simple-rust.git`
[INFO] [stderr]     Updating git repository `https://github.com/ecoal95/angle`
[INFO] [stderr]     Updating git repository `https://github.com/servo/libfreetype2`
[INFO] [stderr]     Blocking waiting for file lock on the git checkouts
[INFO] [stderr]     Updating git repository `https://github.com/TyOverby/bincode`
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-tenacious`
[INFO] [stderr]     Updating git repository `https://github.com/servo/libexpat`
[INFO] [stderr]     Updating git repository `https://github.com/servo/libfontconfig`
[INFO] [stderr]     Updating git repository `https://github.com/libheartbeats/heartbeats-simple-sys.git`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/meh/miserve/Cargo.lock needs to be updated but --locked was passed to prevent this
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed