[INFO] cloning repository https://github.com/tomyamkum/rust-dentaku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomyamkum/rust-dentaku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Frust-dentaku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Frust-dentaku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1a2a423c3d8b5dd983296df5d8aa36b35bbbdb8 [INFO] checking tomyamkum/rust-dentaku against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomyamkum%2Frust-dentaku" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomyamkum/rust-dentaku on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tomyamkum/rust-dentaku [INFO] finished tweaking git repo https://github.com/tomyamkum/rust-dentaku [INFO] tweaked toml for git repo https://github.com/tomyamkum/rust-dentaku written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/tomyamkum/rust-dentaku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2a51fd423c84cff5eff7010db420088bbfd581aae1a08363f485b881edbdc17 [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" "c2a51fd423c84cff5eff7010db420088bbfd581aae1a08363f485b881edbdc17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2a51fd423c84cff5eff7010db420088bbfd581aae1a08363f485b881edbdc17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2a51fd423c84cff5eff7010db420088bbfd581aae1a08363f485b881edbdc17", kill_on_drop: false }` [INFO] [stdout] c2a51fd423c84cff5eff7010db420088bbfd581aae1a08363f485b881edbdc17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65b6af7147349b9dd948dda439a3f6d555c773a3a04bb2c17ac87f338c1e8f88 [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" "65b6af7147349b9dd948dda439a3f6d555c773a3a04bb2c17ac87f338c1e8f88", kill_on_drop: false }` [INFO] [stderr] Checking dentaku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:148:15 [INFO] [stdout] | [INFO] [stdout] 148 | if let Some(cursor) = cursor { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:148:15 [INFO] [stdout] | [INFO] [stdout] 148 | if let Some(cursor) = cursor { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Number` [INFO] [stdout] --> src/main.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | Number(f64), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Plus` [INFO] [stdout] --> src/main.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Minus` [INFO] [stdout] --> src/main.rs:16:2 [INFO] [stdout] | [INFO] [stdout] 16 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Asterisk` [INFO] [stdout] --> src/main.rs:17:2 [INFO] [stdout] | [INFO] [stdout] 17 | Asterisk, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Slash` [INFO] [stdout] --> src/main.rs:18:2 [INFO] [stdout] | [INFO] [stdout] 18 | Slash, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LParen` [INFO] [stdout] --> src/main.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | LParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RParen` [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | RParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Lexer` [INFO] [stdout] --> src/main.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | fn new(input: Vec) -> Lexer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `token` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | fn token(&mut self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next` [INFO] [stdout] --> src/main.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | fn next(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `curr` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | fn curr(&mut self) -> Option<&char> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/main.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | fn peek(&mut self) -> Option<&char> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_number` [INFO] [stdout] --> src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | fn is_number(c: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:108:3 [INFO] [stdout] | [INFO] [stdout] 108 | write!(out, "{}", clear::All); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:109:3 [INFO] [stdout] | [INFO] [stdout] 109 | write!(out, "{}", cursor::Goto(1, 1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:126:6 [INFO] [stdout] | [INFO] [stdout] 126 | write!(out, "{}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:134:8 [INFO] [stdout] | [INFO] [stdout] 134 | write!(out, "\r\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | write!(out, "\r\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | write!(out, "{}", cursor::Goto(self.cursor.column as u16 + 1, self.cursor.row as u16 + 1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Number` [INFO] [stdout] --> src/main.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | Number(f64), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Plus` [INFO] [stdout] --> src/main.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Minus` [INFO] [stdout] --> src/main.rs:16:2 [INFO] [stdout] | [INFO] [stdout] 16 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Asterisk` [INFO] [stdout] --> src/main.rs:17:2 [INFO] [stdout] | [INFO] [stdout] 17 | Asterisk, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Slash` [INFO] [stdout] --> src/main.rs:18:2 [INFO] [stdout] | [INFO] [stdout] 18 | Slash, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LParen` [INFO] [stdout] --> src/main.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | LParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RParen` [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | RParen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Lexer` [INFO] [stdout] --> src/main.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | fn new(input: Vec) -> Lexer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `token` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | fn token(&mut self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next` [INFO] [stdout] --> src/main.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | fn next(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `curr` [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | fn curr(&mut self) -> Option<&char> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/main.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | fn peek(&mut self) -> Option<&char> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_number` [INFO] [stdout] --> src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | fn is_number(c: &char) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:108:3 [INFO] [stdout] | [INFO] [stdout] 108 | write!(out, "{}", clear::All); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:109:3 [INFO] [stdout] | [INFO] [stdout] 109 | write!(out, "{}", cursor::Goto(1, 1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:126:6 [INFO] [stdout] | [INFO] [stdout] 126 | write!(out, "{}", c); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:134:8 [INFO] [stdout] | [INFO] [stdout] 134 | write!(out, "\r\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | write!(out, "\r\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | write!(out, "{}", cursor::Goto(self.cursor.column as u16 + 1, self.cursor.row as u16 + 1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "65b6af7147349b9dd948dda439a3f6d555c773a3a04bb2c17ac87f338c1e8f88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65b6af7147349b9dd948dda439a3f6d555c773a3a04bb2c17ac87f338c1e8f88", kill_on_drop: false }` [INFO] [stdout] 65b6af7147349b9dd948dda439a3f6d555c773a3a04bb2c17ac87f338c1e8f88