[INFO] cloning repository https://github.com/sahilmob/rust-fusion-compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sahilmob/rust-fusion-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsahilmob%2Frust-fusion-compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsahilmob%2Frust-fusion-compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32676147af5f16d02f835eeb545b95c54bb55d15 [INFO] checking sahilmob/rust-fusion-compiler against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsahilmob%2Frust-fusion-compiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sahilmob/rust-fusion-compiler [INFO] finished tweaking git repo https://github.com/sahilmob/rust-fusion-compiler [INFO] tweaked toml for git repo https://github.com/sahilmob/rust-fusion-compiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sahilmob/rust-fusion-compiler on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sahilmob/rust-fusion-compiler 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d87fe4c7a1cefbdc1a1ef0496b43dd5c13b11637515b76f8556d67cb00c88f1 [INFO] running `Command { std: "docker" "start" "-a" "1d87fe4c7a1cefbdc1a1ef0496b43dd5c13b11637515b76f8556d67cb00c88f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d87fe4c7a1cefbdc1a1ef0496b43dd5c13b11637515b76f8556d67cb00c88f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d87fe4c7a1cefbdc1a1ef0496b43dd5c13b11637515b76f8556d67cb00c88f1", kill_on_drop: false }` [INFO] [stdout] 1d87fe4c7a1cefbdc1a1ef0496b43dd5c13b11637515b76f8556d67cb00c88f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec86a183f8dfc829051817e4b9919c9e72f6fbba72e79a3746f87213b9cbd493 [INFO] running `Command { std: "docker" "start" "-a" "ec86a183f8dfc829051817e4b9919c9e72f6fbba72e79a3746f87213b9cbd493", kill_on_drop: false }` [INFO] [stderr] Checking fusion_compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast/lexer.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | Number(i64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 3 - Number(i64), [INFO] [stdout] 3 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Plus`, `Minus`, `Asterisk`, `Slash`, `LeftParen`, and `RightParen` are never constructed [INFO] [stdout] --> src/ast/lexer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum TokenKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 3 | Number(i64), [INFO] [stdout] 4 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | Asterisk, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 7 | Slash, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | LeftParen, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 9 | RightParen, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `end`, and `literal` are never read [INFO] [stdout] --> src/ast/lexer.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TextSpan { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 16 | start: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 17 | end: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 18 | literal: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TextSpan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `length` is never used [INFO] [stdout] --> src/ast/lexer.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl TextSpan { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `span` are never read [INFO] [stdout] --> src/ast/lexer.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 37 | kind: TokenKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 38 | span: TextSpan, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast/lexer.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | Number(i64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 3 - Number(i64), [INFO] [stdout] 3 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Plus`, `Minus`, `Asterisk`, `Slash`, `LeftParen`, and `RightParen` are never constructed [INFO] [stdout] --> src/ast/lexer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum TokenKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 3 | Number(i64), [INFO] [stdout] 4 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | Minus, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | Asterisk, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 7 | Slash, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 8 | LeftParen, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 9 | RightParen, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start`, `end`, and `literal` are never read [INFO] [stdout] --> src/ast/lexer.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct TextSpan { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 16 | start: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 17 | end: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 18 | literal: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TextSpan` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `length` is never used [INFO] [stdout] --> src/ast/lexer.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl TextSpan { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `span` are never read [INFO] [stdout] --> src/ast/lexer.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 37 | kind: TokenKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 38 | span: TextSpan, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "ec86a183f8dfc829051817e4b9919c9e72f6fbba72e79a3746f87213b9cbd493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec86a183f8dfc829051817e4b9919c9e72f6fbba72e79a3746f87213b9cbd493", kill_on_drop: false }` [INFO] [stdout] ec86a183f8dfc829051817e4b9919c9e72f6fbba72e79a3746f87213b9cbd493