[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] 37e03f4399c98679243244dd8327039610ccd0dc
[INFO] checking 0xsvenka/lynx-lang against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xsvenka%2Flynx-lang" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xsvenka/lynx-lang on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eead686c872fa98ddc2fbc9bdea8574cfef888e9386fb71dc6c4e026d47b66ff
[INFO] running `Command { std: "docker" "start" "-a" "eead686c872fa98ddc2fbc9bdea8574cfef888e9386fb71dc6c4e026d47b66ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eead686c872fa98ddc2fbc9bdea8574cfef888e9386fb71dc6c4e026d47b66ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eead686c872fa98ddc2fbc9bdea8574cfef888e9386fb71dc6c4e026d47b66ff", kill_on_drop: false }`
[INFO] [stdout] eead686c872fa98ddc2fbc9bdea8574cfef888e9386fb71dc6c4e026d47b66ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87a363b582e3463b0960ea38091c03510c1e58461b7312ab1291532c4d62f113
[INFO] running `Command { std: "docker" "start" "-a" "87a363b582e3463b0960ea38091c03510c1e58461b7312ab1291532c4d62f113", 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:40:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Id(
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 39 |         /// The name of the identifier.
[INFO] [stdout] 40 |         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] 40 -         String,
[INFO] [stdout] 40 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     IntLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 55 |         /// The value of the literal.
[INFO] [stdout] 56 |         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] 56 -         i64,
[INFO] [stdout] 56 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     FloatLit(
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 61 |         /// The value of the literal.
[INFO] [stdout] 62 |         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] 62 -         f64,
[INFO] [stdout] 62 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     CharLit(
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 67 |         /// The value of the literal.
[INFO] [stdout] 68 |         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] 68 -         char,
[INFO] [stdout] 68 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     StrLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 73 |         /// The value of the literal.
[INFO] [stdout] 74 |         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] 74 -         String,
[INFO] [stdout] 74 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BinOp` is never constructed
[INFO] [stdout]   --> src/token.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     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:161:18
[INFO] [stdout]     |
[INFO] [stdout] 161 | 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 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/token.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Id(
[INFO] [stdout]    |     -- field in this variant
[INFO] [stdout] 39 |         /// The name of the identifier.
[INFO] [stdout] 40 |         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] 40 -         String,
[INFO] [stdout] 40 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     IntLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 55 |         /// The value of the literal.
[INFO] [stdout] 56 |         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] 56 -         i64,
[INFO] [stdout] 56 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     FloatLit(
[INFO] [stdout]    |     -------- field in this variant
[INFO] [stdout] 61 |         /// The value of the literal.
[INFO] [stdout] 62 |         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] 62 -         f64,
[INFO] [stdout] 62 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     CharLit(
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 67 |         /// The value of the literal.
[INFO] [stdout] 68 |         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] 68 -         char,
[INFO] [stdout] 68 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     StrLit(
[INFO] [stdout]    |     ------ field in this variant
[INFO] [stdout] 73 |         /// The value of the literal.
[INFO] [stdout] 74 |         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] 74 -         String,
[INFO] [stdout] 74 +         (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BinOp` is never constructed
[INFO] [stdout]   --> src/token.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum TokenKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 48 |     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:161:18
[INFO] [stdout]     |
[INFO] [stdout] 161 | 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 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "87a363b582e3463b0960ea38091c03510c1e58461b7312ab1291532c4d62f113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a363b582e3463b0960ea38091c03510c1e58461b7312ab1291532c4d62f113", kill_on_drop: false }`
[INFO] [stdout] 87a363b582e3463b0960ea38091c03510c1e58461b7312ab1291532c4d62f113
