[INFO] fetching crate marpa 0.2.1...
[INFO] extracting crate marpa 0.2.1 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/marpa/0.2.1
[INFO] extracting crate marpa 0.2.1 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/marpa/0.2.1
[INFO] validating manifest of marpa-0.2.1 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marpa-0.2.1 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marpa-0.2.1
[INFO] finished frobbing marpa-0.2.1
[INFO] frobbed toml for marpa-0.2.1 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/marpa/0.2.1/Cargo.toml
[INFO] started frobbing marpa-0.2.1
[INFO] finished frobbing marpa-0.2.1
[INFO] frobbed toml for marpa-0.2.1 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/marpa/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autotools v0.1.4
[INFO] [stderr]   Downloaded libmarpa-sys v0.1.3
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking marpa-0.2.1 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-6/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/marpa/0.2.1:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1ece8f258ef3c969c1e76d768e0d5bbafb943a9089579fa47c93ebe63565633
[INFO] running `"docker" "start" "-a" "a1ece8f258ef3c969c1e76d768e0d5bbafb943a9089579fa47c93ebe63565633"`
[INFO] [stderr]    Compiling autotools v0.1.4
[INFO] [stderr]    Compiling libmarpa-sys v0.1.3
[INFO] [stderr]     Checking marpa v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/thin/grammar.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         Ok((0..try!(self.num_symbols())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/thin/event.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |         EventIter((0..count), grammar)
[INFO] [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/thin/grammar.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         Ok((0..try!(self.num_symbols())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/thin/event.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |         EventIter((0..count), grammar)
[INFO] [stderr]    |                   ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `EarleyItem`
[INFO] [stderr]  --> src/thin/earley.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type EarleyItem = Marpa_Earley_Item_ID;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `EarleyItem`
[INFO] [stderr]  --> src/thin/earley.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type EarleyItem = Marpa_Earley_Item_ID;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `"docker" "inspect" "a1ece8f258ef3c969c1e76d768e0d5bbafb943a9089579fa47c93ebe63565633"`
[INFO] running `"docker" "rm" "-f" "a1ece8f258ef3c969c1e76d768e0d5bbafb943a9089579fa47c93ebe63565633"`
[INFO] [stdout] a1ece8f258ef3c969c1e76d768e0d5bbafb943a9089579fa47c93ebe63565633