[INFO] updating cached repository CrystalGamma/lrparse
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CrystalGamma/lrparse
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CrystalGamma/lrparse" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/CrystalGamma/lrparse"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/CrystalGamma/lrparse'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CrystalGamma/lrparse" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/CrystalGamma/lrparse"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/CrystalGamma/lrparse'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eda753df48b08ac87245e87f2ac70126c71a79cd
[INFO] sha for GitHub repo CrystalGamma/lrparse: eda753df48b08ac87245e87f2ac70126c71a79cd
[INFO] validating manifest of CrystalGamma/lrparse on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CrystalGamma/lrparse on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CrystalGamma/lrparse
[INFO] removed path dependency lexer from CrystalGamma/lrparse
[INFO] finished frobbing CrystalGamma/lrparse
[INFO] frobbed toml for CrystalGamma/lrparse written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/CrystalGamma/lrparse/Cargo.toml
[INFO] started frobbing CrystalGamma/lrparse
[INFO] removed path dependency lexer from CrystalGamma/lrparse
[INFO] finished frobbing CrystalGamma/lrparse
[INFO] frobbed toml for CrystalGamma/lrparse written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/CrystalGamma/lrparse/Cargo.toml
[INFO] crate CrystalGamma/lrparse already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/CrystalGamma/lrparse/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-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/CrystalGamma/rust-lookahead`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-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/CrystalGamma/rust-lookahead`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CrystalGamma/lrparse against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-4/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/CrystalGamma/lrparse:/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4c4c3f1660d4f2f4d7384d55cc684fcedbd1cc4e5013435f8b9960eabd136628
[INFO] running `"docker" "start" "-a" "4c4c3f1660d4f2f4d7384d55cc684fcedbd1cc4e5013435f8b9960eabd136628"`
[INFO] [stderr] warning: dependency (lexer) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking lookahead v0.0.1 (https://github.com/CrystalGamma/rust-lookahead#71a4d1b2)
[INFO] [stderr]     Checking peek-nth v0.1.0
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rust-lookahead-a0cbf70c1a89eb7f/71a4d1b/src/lib.rs:1:37
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct LookAhead<T, I: Iterator<T>> {
[INFO] [stderr]   |                                     ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/rust-lookahead-a0cbf70c1a89eb7f/71a4d1b/src/lib.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl<T, I: Iterator<T>> LookAhead<T, I> {
[INFO] [stderr]   |                     ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0107`.
[INFO] [stderr] error: Could not compile `lookahead`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4c4c3f1660d4f2f4d7384d55cc684fcedbd1cc4e5013435f8b9960eabd136628"`
[INFO] running `"docker" "rm" "-f" "4c4c3f1660d4f2f4d7384d55cc684fcedbd1cc4e5013435f8b9960eabd136628"`
[INFO] [stdout] 4c4c3f1660d4f2f4d7384d55cc684fcedbd1cc4e5013435f8b9960eabd136628