[INFO] crate malk-lexer 0.1.1 is already in cache
[INFO] checking malk-lexer-0.1.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate malk-lexer 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate malk-lexer 0.1.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate malk-lexer 0.1.1
[INFO] finished tweaking crates.io crate malk-lexer 0.1.1
[INFO] tweaked toml for crates.io crate malk-lexer 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] b0dab4249207d2974097ace8f249cd5d5854c333cee6af637bb86c6adec5cab4
[INFO] running `"docker" "start" "-a" "b0dab4249207d2974097ace8f249cd5d5854c333cee6af637bb86c6adec5cab4"`
[INFO] [stderr]     Checking unicode-brackets v0.1.1
[INFO] [stderr]     Checking malk-lexer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/symbol_table.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 try!(recurse(symbols, postfix_list, complete_list, new_postfix));
[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/symbol_table.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 try!(recurse(symbols,
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:186:23
[INFO] [stderr]     |
[INFO] [stderr] 186 |             let sub = try!(sub_lex(p, src, symbols));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:249:38
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 let (new_c, new_p) = try!(next(p));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:265:42
[INFO] [stderr]     |
[INFO] [stderr] 265 |                     let (esc_c, esc_p) = try!(next(new_p));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:275:52
[INFO] [stderr]     |
[INFO] [stderr] 275 | ...                   let (nib0, nib0_end) = try!(next(esc_p));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:276:52
[INFO] [stderr]     |
[INFO] [stderr] 276 | ...                   let (nib1, nib1_end) = try!(next(nib0_end));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:277:40
[INFO] [stderr]     |
[INFO] [stderr] 277 | ...                   let nib0 = try!(from_hex(nib0, esc_p));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:278:40
[INFO] [stderr]     |
[INFO] [stderr] 278 | ...                   let nib1 = try!(from_hex(nib1, nib0_end));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:279:30
[INFO] [stderr]     |
[INFO] [stderr] 279 | ...                   (try!(from_u32((nib0 << 4) | nib1, p)), nib1_end)
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:282:52
[INFO] [stderr]     |
[INFO] [stderr] 282 | ...                   let (open_c, open_p) = try!(next(esc_p));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:293:54
[INFO] [stderr]     |
[INFO] [stderr] 293 | ...                   let (nib, nib_end) = try!(next(end));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:299:43
[INFO] [stderr]     |
[INFO] [stderr] 299 | ...                   let nib = try!(from_hex(nib, end));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:304:58
[INFO] [stderr]     |
[INFO] [stderr] 304 | ...                   let (close_c, close_p) = try!(next(end));
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:312:30
[INFO] [stderr]     |
[INFO] [stderr] 312 | ...                   (try!(from_u32(code, p)), end)
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:396:15
[INFO] [stderr]     |
[INFO] [stderr] 396 |     let sub = try!(sub_lex(pos, src, symbols));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/symbol_table.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 try!(recurse(symbols, postfix_list, complete_list, new_postfix));
[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/symbol_table.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 try!(recurse(symbols,
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:186:23
[INFO] [stderr]     |
[INFO] [stderr] 186 |             let sub = try!(sub_lex(p, src, symbols));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:249:38
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 let (new_c, new_p) = try!(next(p));
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:265:42
[INFO] [stderr]     |
[INFO] [stderr] 265 |                     let (esc_c, esc_p) = try!(next(new_p));
[INFO] [stderr]     |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:275:52
[INFO] [stderr]     |
[INFO] [stderr] 275 | ...                   let (nib0, nib0_end) = try!(next(esc_p));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:276:52
[INFO] [stderr]     |
[INFO] [stderr] 276 | ...                   let (nib1, nib1_end) = try!(next(nib0_end));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:277:40
[INFO] [stderr]     |
[INFO] [stderr] 277 | ...                   let nib0 = try!(from_hex(nib0, esc_p));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:278:40
[INFO] [stderr]     |
[INFO] [stderr] 278 | ...                   let nib1 = try!(from_hex(nib1, nib0_end));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:279:30
[INFO] [stderr]     |
[INFO] [stderr] 279 | ...                   (try!(from_u32((nib0 << 4) | nib1, p)), nib1_end)
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:282:52
[INFO] [stderr]     |
[INFO] [stderr] 282 | ...                   let (open_c, open_p) = try!(next(esc_p));
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:293:54
[INFO] [stderr]     |
[INFO] [stderr] 293 | ...                   let (nib, nib_end) = try!(next(end));
[INFO] [stderr]     |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:299:43
[INFO] [stderr]     |
[INFO] [stderr] 299 | ...                   let nib = try!(from_hex(nib, end));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:304:58
[INFO] [stderr]     |
[INFO] [stderr] 304 | ...                   let (close_c, close_p) = try!(next(end));
[INFO] [stderr]     |                                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:312:30
[INFO] [stderr]     |
[INFO] [stderr] 312 | ...                   (try!(from_u32(code, p)), end)
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lex.rs:396:15
[INFO] [stderr]     |
[INFO] [stderr] 396 |     let sub = try!(sub_lex(pos, src, symbols));
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 '0'...'9' => Ok(some_char as u32 - '0' as u32),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:232:20
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 'a'...'f' => Ok(some_char as u32 - 'a' as u32 + 10),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 '0'...'9' => Ok(some_char as u32 - '0' as u32),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:232:20
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 'a'...'f' => Ok(some_char as u32 - 'a' as u32 + 10),
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:163:14
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if c.is_xid_start() {
[INFO] [stderr]     |              ^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 if !c.is_xid_continue() {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:370:26
[INFO] [stderr]     |
[INFO] [stderr] 370 |                        c.is_xid_start() ||
[INFO] [stderr]     |                          ^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `malk-lexer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:163:14
[INFO] [stderr]     |
[INFO] [stderr] 163 |         if c.is_xid_start() {
[INFO] [stderr]     |              ^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:170:23
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 if !c.is_xid_continue() {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> src/lex.rs:370:26
[INFO] [stderr]     |
[INFO] [stderr] 370 |                        c.is_xid_start() ||
[INFO] [stderr]     |                          ^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use unicode_xid::UnicodeXID;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `malk-lexer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b0dab4249207d2974097ace8f249cd5d5854c333cee6af637bb86c6adec5cab4"`
[INFO] running `"docker" "rm" "-f" "b0dab4249207d2974097ace8f249cd5d5854c333cee6af637bb86c6adec5cab4"`
[INFO] [stdout] b0dab4249207d2974097ace8f249cd5d5854c333cee6af637bb86c6adec5cab4
