[INFO] cloning repository https://github.com/marshmll/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marshmll/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshmll%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshmll%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5da24e08d1b3f441bd6d7a278e276d7766fb40b4
[INFO] checking marshmll/compiler against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshmll%2Fcompiler" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marshmll/compiler on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marshmll/compiler
[INFO] finished tweaking git repo https://github.com/marshmll/compiler
[INFO] tweaked toml for git repo https://github.com/marshmll/compiler written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marshmll/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c321e9b3ef5e3a0465554dc1de2c639a0aadcaeace7568320e20ffc6f72dd89
[INFO] running `Command { std: "docker" "start" "-a" "2c321e9b3ef5e3a0465554dc1de2c639a0aadcaeace7568320e20ffc6f72dd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c321e9b3ef5e3a0465554dc1de2c639a0aadcaeace7568320e20ffc6f72dd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c321e9b3ef5e3a0465554dc1de2c639a0aadcaeace7568320e20ffc6f72dd89", kill_on_drop: false }`
[INFO] [stdout] 2c321e9b3ef5e3a0465554dc1de2c639a0aadcaeace7568320e20ffc6f72dd89
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf6bba82001a322e6d81705a56640840954c48a15d9572fc75314429dacd074
[INFO] running `Command { std: "docker" "start" "-a" "edf6bba82001a322e6d81705a56640840954c48a15d9572fc75314429dacd074", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `kind` is never read
[INFO] [stdout]   --> src/ast/lexer.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut kind = TokenKind::Unknown;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `kind` is never read
[INFO] [stdout]   --> src/ast/lexer.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut kind = TokenKind::Unknown;
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast/mod.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub struct ASTBinaryOperator {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 208 |     kind: ASTBinaryOperatorKind,
[INFO] [stdout] 209 |     token: Token,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start`, `end`, and `literal` are never read
[INFO] [stdout]   --> src/ast/lexer.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TextSpan {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     pub(crate) start: usize,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 18 |     pub(crate) end: usize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 19 |     pub(crate) literal: String,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TextSpan` 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 `len` is never used
[INFO] [stdout]   --> src/ast/lexer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TextSpan {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ast/lexer.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     pub(crate) kind: TokenKind,
[INFO] [stdout] 39 |     pub(crate) span: TextSpan,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/ast/mod.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub struct ASTBinaryOperator {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 208 |     kind: ASTBinaryOperatorKind,
[INFO] [stdout] 209 |     token: Token,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start`, `end`, and `literal` are never read
[INFO] [stdout]   --> src/ast/lexer.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TextSpan {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     pub(crate) start: usize,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 18 |     pub(crate) end: usize,
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 19 |     pub(crate) literal: String,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TextSpan` 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 `len` is never used
[INFO] [stdout]   --> src/ast/lexer.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl TextSpan {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ast/lexer.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 38 |     pub(crate) kind: TokenKind,
[INFO] [stdout] 39 |     pub(crate) span: TextSpan,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "edf6bba82001a322e6d81705a56640840954c48a15d9572fc75314429dacd074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf6bba82001a322e6d81705a56640840954c48a15d9572fc75314429dacd074", kill_on_drop: false }`
[INFO] [stdout] edf6bba82001a322e6d81705a56640840954c48a15d9572fc75314429dacd074