[INFO] cloning repository franleplant/syntaxis_lexer.rs
[INFO] running `"git" "clone" "--bare" "git://github.com/franleplant/syntaxis_lexer.rs.git" "work/cache/sources/gh/franleplant/syntaxis_lexer.rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/franleplant/syntaxis_lexer.rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/franleplant/syntaxis_lexer.rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/franleplant/syntaxis_lexer.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/franleplant/syntaxis_lexer.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/franleplant/syntaxis_lexer.rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/franleplant/syntaxis_lexer.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/franleplant/syntaxis_lexer.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e7ed61ed2b377567ac70c5d9e9ac406d56caf26
[INFO] sha for GitHub repo franleplant/syntaxis_lexer.rs: 5e7ed61ed2b377567ac70c5d9e9ac406d56caf26
[INFO] validating manifest of franleplant/syntaxis_lexer.rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of franleplant/syntaxis_lexer.rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing franleplant/syntaxis_lexer.rs
[INFO] finished frobbing franleplant/syntaxis_lexer.rs
[INFO] frobbed toml for franleplant/syntaxis_lexer.rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/franleplant/syntaxis_lexer.rs/Cargo.toml
[INFO] started frobbing franleplant/syntaxis_lexer.rs
[INFO] finished frobbing franleplant/syntaxis_lexer.rs
[INFO] frobbed toml for franleplant/syntaxis_lexer.rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/franleplant/syntaxis_lexer.rs/Cargo.toml
[INFO] crate franleplant/syntaxis_lexer.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking franleplant/syntaxis_lexer.rs against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/franleplant/syntaxis_lexer.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f7be569c384918a415560dd2db9db8e79346a81a083769541c9f50a3db66cd1a
[INFO] running `"docker" "start" "-a" "f7be569c384918a415560dd2db9db8e79346a81a083769541c9f50a3db66cd1a"`
[INFO] [stderr]     Checking syntaxis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `source`
[INFO] [stderr]   --> src/lexer.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     source: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `source`
[INFO] [stderr]   --> src/lexer.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     source: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "f7be569c384918a415560dd2db9db8e79346a81a083769541c9f50a3db66cd1a"`
[INFO] running `"docker" "rm" "-f" "f7be569c384918a415560dd2db9db8e79346a81a083769541c9f50a3db66cd1a"`
[INFO] [stdout] f7be569c384918a415560dd2db9db8e79346a81a083769541c9f50a3db66cd1a