[INFO] cloning repository https://github.com/tamamu/roman-numeral-parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamamu/roman-numeral-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Froman-numeral-parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Froman-numeral-parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 42686284b72832231327d959447965e0d0b96b4f [INFO] checking tamamu/roman-numeral-parser against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Froman-numeral-parser" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tamamu/roman-numeral-parser on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tamamu/roman-numeral-parser [INFO] finished tweaking git repo https://github.com/tamamu/roman-numeral-parser [INFO] tweaked toml for git repo https://github.com/tamamu/roman-numeral-parser written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/tamamu/roman-numeral-parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dec2153629a6cc840821f9ebb2c11a438c196b80118bcb98e0adc2a953a99456 [INFO] running `Command { std: "docker" "start" "-a" "dec2153629a6cc840821f9ebb2c11a438c196b80118bcb98e0adc2a953a99456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dec2153629a6cc840821f9ebb2c11a438c196b80118bcb98e0adc2a953a99456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dec2153629a6cc840821f9ebb2c11a438c196b80118bcb98e0adc2a953a99456", kill_on_drop: false }` [INFO] [stdout] dec2153629a6cc840821f9ebb2c11a438c196b80118bcb98e0adc2a953a99456 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42513cbefff55ba96a1a3c32fbd36bcb5ee81782d6163f00ebeebe8e13b2edb1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "42513cbefff55ba96a1a3c32fbd36bcb5ee81782d6163f00ebeebe8e13b2edb1", kill_on_drop: false }` [INFO] [stderr] Checking rome_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | let first = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [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/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let first = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:80:20 [INFO] [stdout] | [INFO] [stdout] 80 | let head = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:87:42 [INFO] [stdout] | [INFO] [stdout] 87 | let (first, first_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:57:21 [INFO] [stdout] | [INFO] [stdout] 57 | let first = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [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/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let first = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:80:20 [INFO] [stdout] | [INFO] [stdout] 80 | let head = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:87:42 [INFO] [stdout] | [INFO] [stdout] 87 | let (first, first_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | let second = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:98:56 [INFO] [stdout] | [INFO] [stdout] 98 | ... let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:106:54 [INFO] [stdout] | [INFO] [stdout] 106 | ... let (third, third_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:115:56 [INFO] [stdout] | [INFO] [stdout] 115 | ... let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:125:52 [INFO] [stdout] | [INFO] [stdout] 125 | let (second, second_max) = try!(self.parse_five()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:142:42 [INFO] [stdout] | [INFO] [stdout] 142 | let (first, first_max) = try!(self.parse_five()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:145:44 [INFO] [stdout] | [INFO] [stdout] 145 | let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:152:42 [INFO] [stdout] | [INFO] [stdout] 152 | let (third, third_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | let second = try!(self.toks.get(self.pos).ok_or(ParseError::NoInput)).clone(); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:98:56 [INFO] [stdout] | [INFO] [stdout] 98 | ... let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:106:54 [INFO] [stdout] | [INFO] [stdout] 106 | ... let (third, third_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:115:56 [INFO] [stdout] | [INFO] [stdout] 115 | ... let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:125:52 [INFO] [stdout] | [INFO] [stdout] 125 | let (second, second_max) = try!(self.parse_five()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:142:42 [INFO] [stdout] | [INFO] [stdout] 142 | let (first, first_max) = try!(self.parse_five()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:145:44 [INFO] [stdout] | [INFO] [stdout] 145 | let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:152:42 [INFO] [stdout] | [INFO] [stdout] 152 | let (third, third_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:159:44 [INFO] [stdout] | [INFO] [stdout] 159 | let (fourth, fourth_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:159:44 [INFO] [stdout] | [INFO] [stdout] 159 | let (fourth, fourth_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:134:21 [INFO] [stdout] | [INFO] [stdout] 134 | _ => Err(ParseError::IllegalAlignment) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_max` [INFO] [stdout] --> src/main.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | let (first, first_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second_max` [INFO] [stdout] --> src/main.rs:115:42 [INFO] [stdout] | [INFO] [stdout] 115 | ... let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_max` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:124:33 [INFO] [stdout] | [INFO] [stdout] 124 | Token::Five(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:134:21 [INFO] [stdout] | [INFO] [stdout] 134 | _ => Err(ParseError::IllegalAlignment) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_max` [INFO] [stdout] --> src/main.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | let (first, first_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second_max` [INFO] [stdout] --> src/main.rs:115:42 [INFO] [stdout] | [INFO] [stdout] 115 | ... let (second, second_max) = try!(self.parse_one()); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_max` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:124:33 [INFO] [stdout] | [INFO] [stdout] 124 | Token::Five(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Unknown` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | Unknown [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Unknown` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | Unknown [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | parser.lex(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | parser.lex(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "42513cbefff55ba96a1a3c32fbd36bcb5ee81782d6163f00ebeebe8e13b2edb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42513cbefff55ba96a1a3c32fbd36bcb5ee81782d6163f00ebeebe8e13b2edb1", kill_on_drop: false }` [INFO] [stdout] 42513cbefff55ba96a1a3c32fbd36bcb5ee81782d6163f00ebeebe8e13b2edb1