[INFO] cloning repository https://github.com/tnht95/simple_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tnht95/simple_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnht95%2Fsimple_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnht95%2Fsimple_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfba3a7939772fcd97e10599052687adee4e12da
[INFO] checking tnht95/simple_compiler against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnht95%2Fsimple_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/tnht95/simple_compiler
[INFO] finished tweaking git repo https://github.com/tnht95/simple_compiler
[INFO] tweaked toml for git repo https://github.com/tnht95/simple_compiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tnht95/simple_compiler on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tnht95/simple_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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db0be33f7d41a745ff09e51806af0c7e5be53c964c56c6ced4acef26f931a97f
[INFO] running `Command { std: "docker" "start" "-a" "db0be33f7d41a745ff09e51806af0c7e5be53c964c56c6ced4acef26f931a97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db0be33f7d41a745ff09e51806af0c7e5be53c964c56c6ced4acef26f931a97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0be33f7d41a745ff09e51806af0c7e5be53c964c56c6ced4acef26f931a97f", kill_on_drop: false }`
[INFO] [stdout] db0be33f7d41a745ff09e51806af0c7e5be53c964c56c6ced4acef26f931a97f
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbb391eb545f8f97e94ffeca5b34cdcd1ceeb3f61697906e0392014ddcbf3949
[INFO] running `Command { std: "docker" "start" "-a" "cbb391eb545f8f97e94ffeca5b34cdcd1ceeb3f61697906e0392014ddcbf3949", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `type_annotation` is never read
[INFO] [stdout]   --> src/parser.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Parameter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 35 |     pub name: String,
[INFO] [stdout] 36 |     pub type_annotation: TypeAnnotation,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lexer.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn tokenize(input: &str) -> Vec<Token> {
[INFO] [stdout]    |                            ^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn tokenize(input: &str) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_annotation` is never read
[INFO] [stdout]   --> src/parser.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Parameter {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 35 |     pub name: String,
[INFO] [stdout] 36 |     pub type_annotation: TypeAnnotation,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parameter` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lexer.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn tokenize(input: &str) -> Vec<Token> {
[INFO] [stdout]    |                            ^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn tokenize(input: &str) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "cbb391eb545f8f97e94ffeca5b34cdcd1ceeb3f61697906e0392014ddcbf3949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb391eb545f8f97e94ffeca5b34cdcd1ceeb3f61697906e0392014ddcbf3949", kill_on_drop: false }`
[INFO] [stdout] cbb391eb545f8f97e94ffeca5b34cdcd1ceeb3f61697906e0392014ddcbf3949
