[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 master#4e1f5d90bca45207605a88e39b1f76abcdb85d2f for pr-123962 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Froman-numeral-parser" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tamamu/roman-numeral-parser on toolchain 4e1f5d90bca45207605a88e39b1f76abcdb85d2f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking tamamu/roman-numeral-parser against try#035f40fb95ac1c79b50f07e65650460f3d11e207 for pr-123962 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamamu%2Froman-numeral-parser" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tamamu/roman-numeral-parser on toolchain 035f40fb95ac1c79b50f07e65650460f3d11e207 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "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-0-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c49b2251597f4a22a01422158828676e7510b8ed0dc2d26593ad1a8c612b4c63 [INFO] running `Command { std: "docker" "start" "-a" "c49b2251597f4a22a01422158828676e7510b8ed0dc2d26593ad1a8c612b4c63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c49b2251597f4a22a01422158828676e7510b8ed0dc2d26593ad1a8c612b4c63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c49b2251597f4a22a01422158828676e7510b8ed0dc2d26593ad1a8c612b4c63", kill_on_drop: false }` [INFO] [stdout] c49b2251597f4a22a01422158828676e7510b8ed0dc2d26593ad1a8c612b4c63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb549056e97b272d12775ef1d8dc42b6e9469fb37cf2d57780dfda2d29dc3bec [INFO] running `Command { std: "docker" "start" "-a" "bb549056e97b272d12775ef1d8dc42b6e9469fb37cf2d57780dfda2d29dc3bec", 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: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: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: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: variant `Unknown` is never constructed [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 12 | enum ParseError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Unknown [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 `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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = parser.lex(); [INFO] [stdout] | +++++++ [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 `Unknown` is never constructed [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 12 | enum ParseError { [INFO] [stdout] | ---------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Unknown [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = parser.lex(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "bb549056e97b272d12775ef1d8dc42b6e9469fb37cf2d57780dfda2d29dc3bec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb549056e97b272d12775ef1d8dc42b6e9469fb37cf2d57780dfda2d29dc3bec", kill_on_drop: false }` [INFO] [stdout] bb549056e97b272d12775ef1d8dc42b6e9469fb37cf2d57780dfda2d29dc3bec