[INFO] updating cached repository malikolivier/print-csv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/malikolivier/print-csv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/malikolivier/print-csv" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/malikolivier/print-csv"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/malikolivier/print-csv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/malikolivier/print-csv" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/malikolivier/print-csv"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/malikolivier/print-csv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d65b426374ae62fdf2de54f48aeed3890f7791b
[INFO] sha for GitHub repo malikolivier/print-csv: 1d65b426374ae62fdf2de54f48aeed3890f7791b
[INFO] validating manifest of malikolivier/print-csv 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 malikolivier/print-csv 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 malikolivier/print-csv
[INFO] finished frobbing malikolivier/print-csv
[INFO] frobbed toml for malikolivier/print-csv written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/malikolivier/print-csv/Cargo.toml
[INFO] started frobbing malikolivier/print-csv
[INFO] finished frobbing malikolivier/print-csv
[INFO] frobbed toml for malikolivier/print-csv written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/malikolivier/print-csv/Cargo.toml
[INFO] crate malikolivier/print-csv 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 malikolivier/print-csv against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/malikolivier/print-csv:/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] 20655c5cfbf34e786a2005d4c925d49d4aa6691142b7b8267323d94fc00b4817
[INFO] running `"docker" "start" "-a" "20655c5cfbf34e786a2005d4c925d49d4aa6691142b7b8267323d94fc00b4817"`
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.1
[INFO] [stderr]     Checking print-csv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let mut stdin = io::stdin();
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let mut stdin = io::stdin();
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `"docker" "inspect" "20655c5cfbf34e786a2005d4c925d49d4aa6691142b7b8267323d94fc00b4817"`
[INFO] running `"docker" "rm" "-f" "20655c5cfbf34e786a2005d4c925d49d4aa6691142b7b8267323d94fc00b4817"`
[INFO] [stdout] 20655c5cfbf34e786a2005d4c925d49d4aa6691142b7b8267323d94fc00b4817