[INFO] updating cached repository j16r/mathtogenerics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/j16r/mathtogenerics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/j16r/mathtogenerics" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/j16r/mathtogenerics"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/j16r/mathtogenerics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/j16r/mathtogenerics" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/j16r/mathtogenerics"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/j16r/mathtogenerics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf017178ee20c4f39ab108750858c1a0816ffd32
[INFO] sha for GitHub repo j16r/mathtogenerics: cf017178ee20c4f39ab108750858c1a0816ffd32
[INFO] validating manifest of j16r/mathtogenerics on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of j16r/mathtogenerics on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing j16r/mathtogenerics
[INFO] finished frobbing j16r/mathtogenerics
[INFO] frobbed toml for j16r/mathtogenerics written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/j16r/mathtogenerics/Cargo.toml
[INFO] started frobbing j16r/mathtogenerics
[INFO] finished frobbing j16r/mathtogenerics
[INFO] frobbed toml for j16r/mathtogenerics written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/j16r/mathtogenerics/Cargo.toml
[INFO] crate j16r/mathtogenerics already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking j16r/mathtogenerics against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/j16r/mathtogenerics:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 013a90bb73598895ae5ee4a6f99029c843076598ef10ef5591d668997ab51468
[INFO] running `"docker" "start" "-a" "013a90bb73598895ae5ee4a6f99029c843076598ef10ef5591d668997ab51468"`
[INFO] [stderr]     Checking mathtogenerics v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::test::Bencher`
[INFO] [stderr]  --> src/multiply.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `mathtogenerics`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stderr]   --> src/primes.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl<T> RandomAccessIterator for Vec<T> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ expected 1 type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stderr]   --> src/primes.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn mark_sieve<I: RandomAccessIterator<Item=bool>>(iter: I, mut begin: usize, end: usize, factor: usize) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0601.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: Could not compile `mathtogenerics`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stderr]   --> src/primes.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl<T> RandomAccessIterator for Vec<T> {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ expected 1 type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stderr]   --> src/primes.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn mark_sieve<I: RandomAccessIterator<Item=bool>>(iter: I, mut begin: usize, end: usize, factor: usize) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 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 `mathtogenerics`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "013a90bb73598895ae5ee4a6f99029c843076598ef10ef5591d668997ab51468"`
[INFO] running `"docker" "rm" "-f" "013a90bb73598895ae5ee4a6f99029c843076598ef10ef5591d668997ab51468"`
[INFO] [stdout] 013a90bb73598895ae5ee4a6f99029c843076598ef10ef5591d668997ab51468