[INFO] cloning repository https://github.com/0xsvenka/lynx-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xsvenka/lynx-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 461c4fc87361a30ea848d0029756f897eb1640aa
[INFO] checking 0xsvenka/lynx-lang against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xsvenka/lynx-lang
[INFO] finished tweaking git repo https://github.com/0xsvenka/lynx-lang
[INFO] tweaked toml for git repo https://github.com/0xsvenka/lynx-lang written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xsvenka/lynx-lang on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xsvenka/lynx-lang 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.licence
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d7d11e55334ba69c187eb1d4fd65e1aa0271c7e92e9940d2974ed20dd795006
[INFO] running `Command { std: "docker" "start" "-a" "1d7d11e55334ba69c187eb1d4fd65e1aa0271c7e92e9940d2974ed20dd795006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7d11e55334ba69c187eb1d4fd65e1aa0271c7e92e9940d2974ed20dd795006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7d11e55334ba69c187eb1d4fd65e1aa0271c7e92e9940d2974ed20dd795006", kill_on_drop: false }`
[INFO] [stdout] 1d7d11e55334ba69c187eb1d4fd65e1aa0271c7e92e9940d2974ed20dd795006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eafadbb5f79b6603d430abf5f14de6eceed6b560caa31ee8c17a0df5e0e8e38
[INFO] running `Command { std: "docker" "start" "-a" "6eafadbb5f79b6603d430abf5f14de6eceed6b560caa31ee8c17a0df5e0e8e38", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.licence
[INFO] [stderr]     Checking lynx-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `skip_line_comment` is never used
[INFO] [stdout]    --> src/lexer.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn skip_line_comment(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Id(
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 40 |         /// The name of the identifier.
[INFO] [stdout] 41 |         String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 41 -         String,
[INFO] [stdout] 41 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     IntLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 52 |         /// The value of the literal.
[INFO] [stdout] 53 |         i64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 53 -         i64,
[INFO] [stdout] 53 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     FloatLit(
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 58 |         /// The value of the literal.
[INFO] [stdout] 59 |         f64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 59 -         f64,
[INFO] [stdout] 59 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     CharLit(
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 64 |         /// The value of the literal.
[INFO] [stdout] 65 |         char,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 65 -         char,
[INFO] [stdout] 65 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     StrLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 70 |         /// The value of the literal.
[INFO] [stdout] 71 |         String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 71 -         String,
[INFO] [stdout] 71 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BinOp` is never constructed
[INFO] [stdout]   --> src/token.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     BinOp(
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/token.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct Token(pub TokenKind, pub Span);
[INFO] [stdout]     |            ----- ^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `skip_line_comment` is never used
[INFO] [stdout]    --> src/lexer.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn skip_line_comment(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Id(
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 40 |         /// The name of the identifier.
[INFO] [stdout] 41 |         String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 41 -         String,
[INFO] [stdout] 41 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     IntLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 52 |         /// The value of the literal.
[INFO] [stdout] 53 |         i64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 53 -         i64,
[INFO] [stdout] 53 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     FloatLit(
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 58 |         /// The value of the literal.
[INFO] [stdout] 59 |         f64,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 59 -         f64,
[INFO] [stdout] 59 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     CharLit(
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 64 |         /// The value of the literal.
[INFO] [stdout] 65 |         char,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 65 -         char,
[INFO] [stdout] 65 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     StrLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 70 |         /// The value of the literal.
[INFO] [stdout] 71 |         String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 71 -         String,
[INFO] [stdout] 71 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BinOp` is never constructed
[INFO] [stdout]   --> src/token.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     BinOp(
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/token.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct Token(pub TokenKind, pub Span);
[INFO] [stdout]     |            ----- ^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "6eafadbb5f79b6603d430abf5f14de6eceed6b560caa31ee8c17a0df5e0e8e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eafadbb5f79b6603d430abf5f14de6eceed6b560caa31ee8c17a0df5e0e8e38", kill_on_drop: false }`
[INFO] [stdout] 6eafadbb5f79b6603d430abf5f14de6eceed6b560caa31ee8c17a0df5e0e8e38
