[INFO] crate prolog_parser 0.8.27 is already in cache
[INFO] checking prolog_parser-0.8.27 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate prolog_parser 0.8.27 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate prolog_parser 0.8.27 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prolog_parser 0.8.27
[INFO] finished tweaking crates.io crate prolog_parser 0.8.27
[INFO] tweaked toml for crates.io crate prolog_parser 0.8.27 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 045faa39a2e16c9a47405a2802d52eddf87dc84c3737b7be0c6d8745dccdd31f
[INFO] running `"docker" "start" "-a" "045faa39a2e16c9a47405a2802d52eddf87dc84c3737b7be0c6d8745dccdd31f"`
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]     Checking prolog_parser v0.8.27 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:860:24
[INFO] [stderr]     |
[INFO] [stderr] 860 |             terms.push(try!(self.read_term(op_dir)));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:720:21
[INFO] [stderr]     |
[INFO] [stderr] 720 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:724:21
[INFO] [stderr]     |
[INFO] [stderr] 724 |                     try!(self.single_line_comment());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:728:24
[INFO] [stderr]     |
[INFO] [stderr] 728 |                     if try!(self.bracketed_comment()) {
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:745:31
[INFO] [stderr]     |
[INFO] [stderr] 745 |         let layout_inserted = try!(self.scan_for_layout());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:755:21
[INFO] [stderr]     |
[INFO] [stderr] 755 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:760:21
[INFO] [stderr]     |
[INFO] [stderr] 760 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:765:21
[INFO] [stderr]     |
[INFO] [stderr] 765 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:792:21
[INFO] [stderr]     |
[INFO] [stderr] 792 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:797:21
[INFO] [stderr]     |
[INFO] [stderr] 797 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:802:21
[INFO] [stderr]     |
[INFO] [stderr] 802 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:807:21
[INFO] [stderr]     |
[INFO] [stderr] 807 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:812:21
[INFO] [stderr]     |
[INFO] [stderr] 812 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:860:24
[INFO] [stderr]     |
[INFO] [stderr] 860 |             terms.push(try!(self.read_term(op_dir)));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:720:21
[INFO] [stderr]     |
[INFO] [stderr] 720 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:724:21
[INFO] [stderr]     |
[INFO] [stderr] 724 |                     try!(self.single_line_comment());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:728:24
[INFO] [stderr]     |
[INFO] [stderr] 728 |                     if try!(self.bracketed_comment()) {
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:745:31
[INFO] [stderr]     |
[INFO] [stderr] 745 |         let layout_inserted = try!(self.scan_for_layout());
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:755:21
[INFO] [stderr]     |
[INFO] [stderr] 755 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:760:21
[INFO] [stderr]     |
[INFO] [stderr] 760 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:765:21
[INFO] [stderr]     |
[INFO] [stderr] 765 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:792:21
[INFO] [stderr]     |
[INFO] [stderr] 792 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:797:21
[INFO] [stderr]     |
[INFO] [stderr] 797 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:802:21
[INFO] [stderr]     |
[INFO] [stderr] 802 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:807:21
[INFO] [stderr]     |
[INFO] [stderr] 807 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:812:21
[INFO] [stderr]     |
[INFO] [stderr] 812 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 41s
[INFO] running `"docker" "inspect" "045faa39a2e16c9a47405a2802d52eddf87dc84c3737b7be0c6d8745dccdd31f"`
[INFO] running `"docker" "rm" "-f" "045faa39a2e16c9a47405a2802d52eddf87dc84c3737b7be0c6d8745dccdd31f"`
[INFO] [stdout] 045faa39a2e16c9a47405a2802d52eddf87dc84c3737b7be0c6d8745dccdd31f