[INFO] updating cached repository kigawas/examples-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kigawas/examples-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kigawas/examples-in-rust" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kigawas/examples-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kigawas/examples-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kigawas/examples-in-rust" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/kigawas/examples-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/kigawas/examples-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc0ce30ca9ac369134ece5875ff23d60edc51da7
[INFO] sha for GitHub repo kigawas/examples-in-rust: bc0ce30ca9ac369134ece5875ff23d60edc51da7
[INFO] validating manifest of kigawas/examples-in-rust on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kigawas/examples-in-rust on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kigawas/examples-in-rust
[INFO] finished frobbing kigawas/examples-in-rust
[INFO] frobbed toml for kigawas/examples-in-rust written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kigawas/examples-in-rust/Cargo.toml
[INFO] started frobbing kigawas/examples-in-rust
[INFO] finished frobbing kigawas/examples-in-rust
[INFO] frobbed toml for kigawas/examples-in-rust written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/kigawas/examples-in-rust/Cargo.toml
[INFO] crate kigawas/examples-in-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kigawas/examples-in-rust against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-7/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kigawas/examples-in-rust:/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5d7a2b57037053ad3566c6740329b9e1ddd246cef9e723e2ab9bb12f7d86e0ac
[INFO] running `"docker" "start" "-a" "5d7a2b57037053ad3566c6740329b9e1ddd246cef9e723e2ab9bb12f7d86e0ac"`
[INFO] [stderr]     Checking examples-in-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]   --> src/chap5/mod.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     use std;
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `From` is imported redundantly
[INFO] [stderr]  --> src/chap6/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use std::convert::From;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToString` is imported redundantly
[INFO] [stderr]   --> src/chap6/mod.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     use std::string::ToString;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `std` is imported redundantly
[INFO] [stderr]   --> src/chap5/mod.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     use std;
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `From` is imported redundantly
[INFO] [stderr]  --> src/chap6/mod.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use std::convert::From;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToString` is imported redundantly
[INFO] [stderr]   --> src/chap6/mod.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     use std::string::ToString;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "5d7a2b57037053ad3566c6740329b9e1ddd246cef9e723e2ab9bb12f7d86e0ac"`
[INFO] running `"docker" "rm" "-f" "5d7a2b57037053ad3566c6740329b9e1ddd246cef9e723e2ab9bb12f7d86e0ac"`
[INFO] [stdout] 5d7a2b57037053ad3566c6740329b9e1ddd246cef9e723e2ab9bb12f7d86e0ac