[INFO] fetching crate malk-lexer 0.1.1...
[INFO] testing malk-lexer-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate malk-lexer 0.1.1 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate malk-lexer 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.2)
[INFO] [stderr]       Adding unicode-xid v0.0.3 (available: v0.2.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0ed8dc0fdfcb401385c43dad0aa892e286d9322ed64c5803212789a75fab26
[INFO] running `Command { std: "docker" "start" "-a" "ac0ed8dc0fdfcb401385c43dad0aa892e286d9322ed64c5803212789a75fab26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0ed8dc0fdfcb401385c43dad0aa892e286d9322ed64c5803212789a75fab26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0ed8dc0fdfcb401385c43dad0aa892e286d9322ed64c5803212789a75fab26", kill_on_drop: false }`
[INFO] [stdout] ac0ed8dc0fdfcb401385c43dad0aa892e286d9322ed64c5803212789a75fab26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46b33c0f565b2b1715aa4bc13790c6e69b02c94438fa50781ea5d6ac77a6bad7
[INFO] running `Command { std: "docker" "start" "-a" "46b33c0f565b2b1715aa4bc13790c6e69b02c94438fa50781ea5d6ac77a6bad7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling unicode-brackets v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling malk-lexer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/symbol_table.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 try!(recurse(symbols, postfix_list, complete_list, new_postfix));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/symbol_table.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 try!(recurse(symbols,
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:186:23
[INFO] [stdout]     |
[INFO] [stdout] 186 |             let sub = try!(sub_lex(p, src, symbols));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:231:20
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 '0'...'9' => Ok(some_char as u32 - '0' as u32),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lex.rs:232:20
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 'a'...'f' => Ok(some_char as u32 - 'a' as u32 + 10),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:249:38
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let (new_c, new_p) = try!(next(p));
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:265:42
[INFO] [stdout]     |
[INFO] [stdout] 265 |                     let (esc_c, esc_p) = try!(next(new_p));
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:275:52
[INFO] [stdout]     |
[INFO] [stdout] 275 | ...                   let (nib0, nib0_end) = try!(next(esc_p));
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:276:52
[INFO] [stdout]     |
[INFO] [stdout] 276 | ...                   let (nib1, nib1_end) = try!(next(nib0_end));
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:277:40
[INFO] [stdout]     |
[INFO] [stdout] 277 | ...                   let nib0 = try!(from_hex(nib0, esc_p));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:278:40
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...                   let nib1 = try!(from_hex(nib1, nib0_end));
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:279:30
[INFO] [stdout]     |
[INFO] [stdout] 279 | ...                   (try!(from_u32((nib0 << 4) | nib1, p)), nib1_end)
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:282:52
[INFO] [stdout]     |
[INFO] [stdout] 282 | ...                   let (open_c, open_p) = try!(next(esc_p));
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:293:54
[INFO] [stdout]     |
[INFO] [stdout] 293 | ...                   let (nib, nib_end) = try!(next(end));
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:299:43
[INFO] [stdout]     |
[INFO] [stdout] 299 | ...                   let nib = try!(from_hex(nib, end));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:304:58
[INFO] [stdout]     |
[INFO] [stdout] 304 | ...                   let (close_c, close_p) = try!(next(end));
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:312:30
[INFO] [stdout]     |
[INFO] [stdout] 312 | ...                   (try!(from_u32(code, p)), end)
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lex.rs:396:15
[INFO] [stdout]     |
[INFO] [stdout] 396 |     let sub = try!(sub_lex(pos, src, symbols));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unicode)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:163:14
[INFO] [stdout]     |
[INFO] [stdout] 163 |         if c.is_xid_start() {
[INFO] [stdout]     |              ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-xid-0.0.3/src/lib.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  72 |     fn is_xid_start(self) -> bool;
[INFO] [stdout]     |        ------------ the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_start` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 if !c.is_xid_continue() {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-xid-0.0.3/src/lib.rs:80:8
[INFO] [stdout]     |
[INFO] [stdout]  80 |     fn is_xid_continue(self) -> bool;
[INFO] [stdout]     |        --------------- the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_continue` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stdout]    --> src/lex.rs:370:26
[INFO] [stdout]     |
[INFO] [stdout] 370 |                        c.is_xid_start() ||
[INFO] [stdout]     |                          ^^^^^^^^^^^^ method not found in `char`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/unicode-xid-0.0.3/src/lib.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  72 |     fn is_xid_start(self) -> bool;
[INFO] [stdout]     |        ------------ the method is available for `char` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UnicodeXID` which provides `is_xid_start` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   1 + use unicode_xid::UnicodeXID;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `malk-lexer` (lib) due to 4 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "46b33c0f565b2b1715aa4bc13790c6e69b02c94438fa50781ea5d6ac77a6bad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b33c0f565b2b1715aa4bc13790c6e69b02c94438fa50781ea5d6ac77a6bad7", kill_on_drop: false }`
[INFO] [stdout] 46b33c0f565b2b1715aa4bc13790c6e69b02c94438fa50781ea5d6ac77a6bad7
