[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] c9cb1869ed069894d7ad138181cee9167dc1af2f
[INFO] checking 0xsvenka/lynx-lang against master#683dd08db5808c41baceef49368fc82a6c4767bb for pr-149137
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xsvenka/lynx-lang on toolchain 683dd08db5808c41baceef49368fc82a6c4767bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "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" "+683dd08db5808c41baceef49368fc82a6c4767bb" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41c2a347b961d2b2c23838f9da4d70ca46f30e783a0141f0f2a4f199145052ed
[INFO] running `Command { std: "docker" "start" "-a" "41c2a347b961d2b2c23838f9da4d70ca46f30e783a0141f0f2a4f199145052ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41c2a347b961d2b2c23838f9da4d70ca46f30e783a0141f0f2a4f199145052ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c2a347b961d2b2c23838f9da4d70ca46f30e783a0141f0f2a4f199145052ed", kill_on_drop: false }`
[INFO] [stdout] 41c2a347b961d2b2c23838f9da4d70ca46f30e783a0141f0f2a4f199145052ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+683dd08db5808c41baceef49368fc82a6c4767bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9236d6520e1fb34243e31e34a6ad3d3a679bcfa488e3653bf298240b102affbb
[INFO] running `Command { std: "docker" "start" "-a" "9236d6520e1fb34243e31e34a6ad3d3a679bcfa488e3653bf298240b102affbb", 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: field `0` is never read
[INFO] [stdout]   --> src/token.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Id(
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 23 |         /// Name of the identifier.
[INFO] [stdout] 24 |         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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 24 -         String,
[INFO] [stdout] 24 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     IntLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 35 |         /// Value of the literal.
[INFO] [stdout] 36 |         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] 36 -         i64,
[INFO] [stdout] 36 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     FloatLit(
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 41 |         /// Value of the literal.
[INFO] [stdout] 42 |         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] 42 -         f64,
[INFO] [stdout] 42 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     CharLit(
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 47 |         /// Value of the literal.
[INFO] [stdout] 48 |         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] 48 -         char,
[INFO] [stdout] 48 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     StrLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 53 |         /// Value of the literal.
[INFO] [stdout] 54 |         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] 54 -         String,
[INFO] [stdout] 54 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op` is never constructed
[INFO] [stdout]   --> src/token.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Op(
[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`, `1`, and `2` are never read
[INFO] [stdout]    --> src/token.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct Token(
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 113 |     /// Kind of the token.
[INFO] [stdout] 114 |     pub TokenKind,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 115 |     /// Starting position of the token.
[INFO] [stdout] 116 |     pub Pos,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 117 |     /// End position of the token (inclusive).
[INFO] [stdout] 118 |     pub Pos,
[INFO] [stdout]     |     ^^^^^^^
[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: field `0` is never read
[INFO] [stdout]   --> src/token.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Id(
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 23 |         /// Name of the identifier.
[INFO] [stdout] 24 |         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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 24 -         String,
[INFO] [stdout] 24 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     IntLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 35 |         /// Value of the literal.
[INFO] [stdout] 36 |         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] 36 -         i64,
[INFO] [stdout] 36 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     FloatLit(
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 41 |         /// Value of the literal.
[INFO] [stdout] 42 |         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] 42 -         f64,
[INFO] [stdout] 42 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     CharLit(
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 47 |         /// Value of the literal.
[INFO] [stdout] 48 |         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] 48 -         char,
[INFO] [stdout] 48 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     StrLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 53 |         /// Value of the literal.
[INFO] [stdout] 54 |         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] 54 -         String,
[INFO] [stdout] 54 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op` is never constructed
[INFO] [stdout]   --> src/token.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     Op(
[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`, `1`, and `2` are never read
[INFO] [stdout]    --> src/token.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct Token(
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 113 |     /// Kind of the token.
[INFO] [stdout] 114 |     pub TokenKind,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 115 |     /// Starting position of the token.
[INFO] [stdout] 116 |     pub Pos,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 117 |     /// End position of the token (inclusive).
[INFO] [stdout] 118 |     pub Pos,
[INFO] [stdout]     |     ^^^^^^^
[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] running `Command { std: "docker" "inspect" "9236d6520e1fb34243e31e34a6ad3d3a679bcfa488e3653bf298240b102affbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9236d6520e1fb34243e31e34a6ad3d3a679bcfa488e3653bf298240b102affbb", kill_on_drop: false }`
[INFO] [stdout] 9236d6520e1fb34243e31e34a6ad3d3a679bcfa488e3653bf298240b102affbb
