[INFO] crate prolog_parser 0.8.37 is already in cache
[INFO] checking prolog_parser-0.8.37 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate prolog_parser 0.8.37 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate prolog_parser 0.8.37 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prolog_parser 0.8.37
[INFO] finished tweaking crates.io crate prolog_parser 0.8.37
[INFO] tweaked toml for crates.io crate prolog_parser 0.8.37 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ac5241b7e10a6072243b8e53bd30caaf64d079f01e9087273898c77a5fa8a79
[INFO] running `"docker" "start" "-a" "3ac5241b7e10a6072243b8e53bd30caaf64d079f01e9087273898c77a5fa8a79"`
[INFO] [stderr]    Compiling rug v1.7.0
[INFO] [stderr]     Checking az v0.3.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.0
[INFO] [stderr]     Checking prolog_parser v0.8.37 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:881:24
[INFO] [stderr]     |
[INFO] [stderr] 881 |             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:729:21
[INFO] [stderr]     |
[INFO] [stderr] 729 |                     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:733:21
[INFO] [stderr]     |
[INFO] [stderr] 733 |                     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:737:24
[INFO] [stderr]     |
[INFO] [stderr] 737 |                     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:754:31
[INFO] [stderr]     |
[INFO] [stderr] 754 |         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:764:21
[INFO] [stderr]     |
[INFO] [stderr] 764 |                     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:769:21
[INFO] [stderr]     |
[INFO] [stderr] 769 |                     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:774:21
[INFO] [stderr]     |
[INFO] [stderr] 774 |                     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/lexer.rs:817:21
[INFO] [stderr]     |
[INFO] [stderr] 817 |                     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:822:21
[INFO] [stderr]     |
[INFO] [stderr] 822 |                     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:827:21
[INFO] [stderr]     |
[INFO] [stderr] 827 |                     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:881:24
[INFO] [stderr]     |
[INFO] [stderr] 881 |             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:729:21
[INFO] [stderr]     |
[INFO] [stderr] 729 |                     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:733:21
[INFO] [stderr]     |
[INFO] [stderr] 733 |                     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:737:24
[INFO] [stderr]     |
[INFO] [stderr] 737 |                     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:754:31
[INFO] [stderr]     |
[INFO] [stderr] 754 |         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:764:21
[INFO] [stderr]     |
[INFO] [stderr] 764 |                     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:769:21
[INFO] [stderr]     |
[INFO] [stderr] 769 |                     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:774:21
[INFO] [stderr]     |
[INFO] [stderr] 774 |                     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/lexer.rs:817:21
[INFO] [stderr]     |
[INFO] [stderr] 817 |                     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:822:21
[INFO] [stderr]     |
[INFO] [stderr] 822 |                     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:827:21
[INFO] [stderr]     |
[INFO] [stderr] 827 |                     try!(self.skip_char());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] running `"docker" "inspect" "3ac5241b7e10a6072243b8e53bd30caaf64d079f01e9087273898c77a5fa8a79"`
[INFO] running `"docker" "rm" "-f" "3ac5241b7e10a6072243b8e53bd30caaf64d079f01e9087273898c77a5fa8a79"`
[INFO] [stdout] 3ac5241b7e10a6072243b8e53bd30caaf64d079f01e9087273898c77a5fa8a79