[INFO] cloning repository https://github.com/waterlens/qxq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waterlens/qxq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaterlens%2Fqxq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaterlens%2Fqxq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf8d187d56a41d26d583c8062c07ce517ab7e0a8
[INFO] testing waterlens/qxq against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaterlens%2Fqxq" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/waterlens/qxq
[INFO] finished tweaking git repo https://github.com/waterlens/qxq
[INFO] tweaked toml for git repo https://github.com/waterlens/qxq written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/waterlens/qxq on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/waterlens/qxq 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaf8f8deb0d1f95c42a0d19a0c136bdd594d02854335532909e1e39b1f77447a
[INFO] running `Command { std: "docker" "start" "-a" "eaf8f8deb0d1f95c42a0d19a0c136bdd594d02854335532909e1e39b1f77447a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaf8f8deb0d1f95c42a0d19a0c136bdd594d02854335532909e1e39b1f77447a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf8f8deb0d1f95c42a0d19a0c136bdd594d02854335532909e1e39b1f77447a", kill_on_drop: false }`
[INFO] [stdout] eaf8f8deb0d1f95c42a0d19a0c136bdd594d02854335532909e1e39b1f77447a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30e4b9c11037902e3b311f6c54d76301ec34b25bd836ba8b005dc564432654f
[INFO] running `Command { std: "docker" "start" "-a" "d30e4b9c11037902e3b311f6c54d76301ec34b25bd836ba8b005dc564432654f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling boxing v0.1.2
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling hashconsing v1.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling small-map v0.1.3
[INFO] [stderr]    Compiling ordermap v0.5.0
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling qxq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn emit_ident_use(&mut self, name: TokenStr<'a>) {}
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn emit_ident_use_pre(&mut self, name: TokenStr<'a>) {}
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/codegen.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn emit_int_literal(&mut self, n: i128) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/codegen.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn emit_str_literal(&mut self, s: &str) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/codegen.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |   pub fn emit_tuple_pre(&mut self, n: usize) {}
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn emit_op_obj(&mut self, op: &str) {}
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |   pub fn emit_prefix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |   pub fn emit_postfix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |   pub fn emit_infix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:62:35
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/codegen.rs:62:45
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/codegen.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn emit_fn(&mut self, params: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_rec`
[INFO] [stdout]   --> src/codegen.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:66:65
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/codegen.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/codegen.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/codegen.rs:68:61
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/codegen.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/codegen.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bytecode.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Op8(u8);
[INFO] [stdout]   |            --- ^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[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/bytecode.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Op16(u16);
[INFO] [stdout]   |            ---- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `high` and `low` are never read
[INFO] [stdout]  --> src/bytecode.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Op24 {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 8 |   high: u16,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 9 |   low: u8,
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stdout]   --> src/bytecode.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct OpXYZ {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 15 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 16 |   o2: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stdout]   --> src/bytecode.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct OpABC {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 21 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 22 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 23 |   o2: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst` and `o1` are never read
[INFO] [stdout]   --> src/bytecode.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct OpAB {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 28 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 29 |   o1: Op16,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst` and `o1` are never read
[INFO] [stdout]   --> src/bytecode.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct OpABS {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 34 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 35 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `o1` is never read
[INFO] [stdout]   --> src/bytecode.rs:40:3
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct OpA {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 40 |   o1: Op24,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dst` is never read
[INFO] [stdout]   --> src/bytecode.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct OpAS {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 45 |   dst: Op24,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arena` and `code` are never read
[INFO] [stdout]    --> src/bytecode.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub struct BytecodeCtx<'a> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 151 |   arena: &'a Bump,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 152 |   code: Vec<u8>,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arena` and `ostack` are never read
[INFO] [stdout]   --> src/codegen.rs:8:3
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct CodeGenCtx<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  8 |   arena: &'a Bump,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |   ostack: SmallVec<[u8; 8]>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sexp.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp {
[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] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.57s
[INFO] running `Command { std: "docker" "inspect" "d30e4b9c11037902e3b311f6c54d76301ec34b25bd836ba8b005dc564432654f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30e4b9c11037902e3b311f6c54d76301ec34b25bd836ba8b005dc564432654f", kill_on_drop: false }`
[INFO] [stdout] d30e4b9c11037902e3b311f6c54d76301ec34b25bd836ba8b005dc564432654f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adea14bfcf2179c427e4b7e0d8ecc19d5fbe6dedd6a5335ef26768f3bb271624
[INFO] running `Command { std: "docker" "start" "-a" "adea14bfcf2179c427e4b7e0d8ecc19d5fbe6dedd6a5335ef26768f3bb271624", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn emit_ident_use(&mut self, name: TokenStr<'a>) {}
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn emit_ident_use_pre(&mut self, name: TokenStr<'a>) {}
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/codegen.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn emit_int_literal(&mut self, n: i128) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/codegen.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn emit_str_literal(&mut self, s: &str) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/codegen.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |   pub fn emit_tuple_pre(&mut self, n: usize) {}
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn emit_op_obj(&mut self, op: &str) {}
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |   pub fn emit_prefix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |   pub fn emit_postfix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |   pub fn emit_infix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:62:35
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/codegen.rs:62:45
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/codegen.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn emit_fn(&mut self, params: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_rec`
[INFO] [stdout]   --> src/codegen.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qxq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:66:65
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/codegen.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/codegen.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/codegen.rs:68:61
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/codegen.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/codegen.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bytecode.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Op8(u8);
[INFO] [stdout]   |            --- ^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[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/bytecode.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Op16(u16);
[INFO] [stdout]   |            ---- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `high` and `low` are never read
[INFO] [stdout]  --> src/bytecode.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Op24 {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 8 |   high: u16,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 9 |   low: u8,
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stdout]   --> src/bytecode.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct OpXYZ {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 15 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 16 |   o2: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stdout]   --> src/bytecode.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct OpABC {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 21 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 22 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 23 |   o2: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst` and `o1` are never read
[INFO] [stdout]   --> src/bytecode.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct OpAB {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 28 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 29 |   o1: Op16,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst` and `o1` are never read
[INFO] [stdout]   --> src/bytecode.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct OpABS {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 34 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 35 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `o1` is never read
[INFO] [stdout]   --> src/bytecode.rs:40:3
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct OpA {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 40 |   o1: Op24,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dst` is never read
[INFO] [stdout]   --> src/bytecode.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct OpAS {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 45 |   dst: Op24,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arena` and `code` are never read
[INFO] [stdout]    --> src/bytecode.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub struct BytecodeCtx<'a> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 151 |   arena: &'a Bump,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 152 |   code: Vec<u8>,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arena` and `ostack` are never read
[INFO] [stdout]   --> src/codegen.rs:8:3
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct CodeGenCtx<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  8 |   arena: &'a Bump,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |   ostack: SmallVec<[u8; 8]>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sexp.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp {
[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] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:44:36
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn emit_ident_use(&mut self, name: TokenStr<'a>) {}
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:46:40
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn emit_ident_use_pre(&mut self, name: TokenStr<'a>) {}
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/codegen.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn emit_int_literal(&mut self, n: i128) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/codegen.rs:50:38
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn emit_str_literal(&mut self, s: &str) {}
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/codegen.rs:52:36
[INFO] [stdout]    |
[INFO] [stdout] 52 |   pub fn emit_tuple_pre(&mut self, n: usize) {}
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn emit_op_obj(&mut self, op: &str) {}
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |   pub fn emit_prefix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |   pub fn emit_postfix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |   pub fn emit_infix_op(&mut self, op: &str) {}
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/codegen.rs:62:35
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/codegen.rs:62:45
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/codegen.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn emit_fn(&mut self, params: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_rec`
[INFO] [stdout]   --> src/codegen.rs:66:31
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/codegen.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/codegen.rs:66:65
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stdout]    |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/codegen.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/codegen.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/codegen.rs:68:61
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stdout]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/codegen.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/codegen.rs:70:51
[INFO] [stdout]    |
[INFO] [stdout] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/bytecode.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Op8(u8);
[INFO] [stdout]   |            --- ^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[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/bytecode.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Op16(u16);
[INFO] [stdout]   |            ---- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `high` and `low` are never read
[INFO] [stdout]  --> src/bytecode.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Op24 {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 8 |   high: u16,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 9 |   low: u8,
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stdout]   --> src/bytecode.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct OpXYZ {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 15 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 16 |   o2: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stdout]   --> src/bytecode.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct OpABC {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 21 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 22 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 23 |   o2: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst` and `o1` are never read
[INFO] [stdout]   --> src/bytecode.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct OpAB {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 28 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 29 |   o1: Op16,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dst` and `o1` are never read
[INFO] [stdout]   --> src/bytecode.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct OpABS {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 34 |   dst: Op8,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 35 |   o1: Op8,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `o1` is never read
[INFO] [stdout]   --> src/bytecode.rs:40:3
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct OpA {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 40 |   o1: Op24,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dst` is never read
[INFO] [stdout]   --> src/bytecode.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct OpAS {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 45 |   dst: Op24,
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arena` and `code` are never read
[INFO] [stdout]    --> src/bytecode.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub struct BytecodeCtx<'a> {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 151 |   arena: &'a Bump,
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 152 |   code: Vec<u8>,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arena` and `ostack` are never read
[INFO] [stdout]   --> src/codegen.rs:8:3
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct CodeGenCtx<'a> {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout]  8 |   arena: &'a Bump,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |   ostack: SmallVec<[u8; 8]>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sexp.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp {
[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] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp<'_> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "adea14bfcf2179c427e4b7e0d8ecc19d5fbe6dedd6a5335ef26768f3bb271624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adea14bfcf2179c427e4b7e0d8ecc19d5fbe6dedd6a5335ef26768f3bb271624", kill_on_drop: false }`
[INFO] [stdout] adea14bfcf2179c427e4b7e0d8ecc19d5fbe6dedd6a5335ef26768f3bb271624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d33b9abbc149a0dd3a178fcee5b44822b32d383c4ad68bb9abcc34e1d28316d
[INFO] running `Command { std: "docker" "start" "-a" "9d33b9abbc149a0dd3a178fcee5b44822b32d383c4ad68bb9abcc34e1d28316d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/codegen.rs:44:36
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn emit_ident_use(&mut self, name: TokenStr<'a>) {}
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/codegen.rs:46:40
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn emit_ident_use_pre(&mut self, name: TokenStr<'a>) {}
[INFO] [stderr]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/codegen.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn emit_int_literal(&mut self, n: i128) {}
[INFO] [stderr]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/codegen.rs:50:38
[INFO] [stderr]    |
[INFO] [stderr] 50 |   pub fn emit_str_literal(&mut self, s: &str) {}
[INFO] [stderr]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/codegen.rs:52:36
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn emit_tuple_pre(&mut self, n: usize) {}
[INFO] [stderr]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/codegen.rs:54:33
[INFO] [stderr]    |
[INFO] [stderr] 54 |   pub fn emit_op_obj(&mut self, op: &str) {}
[INFO] [stderr]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/codegen.rs:56:36
[INFO] [stderr]    |
[INFO] [stderr] 56 |   pub fn emit_prefix_op(&mut self, op: &str) {}
[INFO] [stderr]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/codegen.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |   pub fn emit_postfix_op(&mut self, op: &str) {}
[INFO] [stderr]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/codegen.rs:60:35
[INFO] [stderr]    |
[INFO] [stderr] 60 |   pub fn emit_infix_op(&mut self, op: &str) {}
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/codegen.rs:62:35
[INFO] [stderr]    |
[INFO] [stderr] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/codegen.rs:62:45
[INFO] [stderr]    |
[INFO] [stderr] 62 |   pub fn emit_op_apply(&mut self, op: &str, args: &[ExprRef<'a>]) {}
[INFO] [stderr]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/codegen.rs:64:29
[INFO] [stderr]    |
[INFO] [stderr] 64 |   pub fn emit_fn(&mut self, params: &[ExprRef<'a>]) {}
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_rec`
[INFO] [stderr]   --> src/codegen.rs:66:31
[INFO] [stderr]    |
[INFO] [stderr] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stderr]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_rec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/codegen.rs:66:45
[INFO] [stderr]    |
[INFO] [stderr] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stderr]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/codegen.rs:66:65
[INFO] [stderr]    |
[INFO] [stderr] 66 |   pub fn emit_bind(&mut self, is_rec: bool, name: TokenStr<'a>, expr: ExprRef<'a>) {}
[INFO] [stderr]    |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/codegen.rs:68:29
[INFO] [stderr]    |
[INFO] [stderr] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stderr]    |                             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/codegen.rs:68:45
[INFO] [stderr]    |
[INFO] [stderr] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stderr]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/codegen.rs:68:61
[INFO] [stderr]    |
[INFO] [stderr] 68 |   pub fn emit_if(&mut self, c: ExprRef<'a>, t: ExprRef<'a>, f: ExprRef<'a>) {}
[INFO] [stderr]    |                                                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/codegen.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stderr]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/codegen.rs:70:51
[INFO] [stderr]    |
[INFO] [stderr] 70 |   pub fn emit_apply(&mut self, func: ExprRef<'a>, args: &[ExprRef<'a>]) {}
[INFO] [stderr]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/bytecode.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Op8(u8);
[INFO] [stderr]   |            --- ^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/bytecode.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Op16(u16);
[INFO] [stderr]   |            ---- ^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: fields `high` and `low` are never read
[INFO] [stderr]  --> src/bytecode.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Op24 {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 8 |   high: u16,
[INFO] [stderr]   |   ^^^^
[INFO] [stderr] 9 |   low: u8,
[INFO] [stderr]   |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stderr]   --> src/bytecode.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct OpXYZ {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 14 |   dst: Op8,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 15 |   o1: Op8,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 16 |   o2: Op8,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `dst`, `o1`, and `o2` are never read
[INFO] [stderr]   --> src/bytecode.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct OpABC {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 21 |   dst: Op8,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 22 |   o1: Op8,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 23 |   o2: Op8,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `dst` and `o1` are never read
[INFO] [stderr]   --> src/bytecode.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct OpAB {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 28 |   dst: Op8,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 29 |   o1: Op16,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `dst` and `o1` are never read
[INFO] [stderr]   --> src/bytecode.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct OpABS {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 34 |   dst: Op8,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 35 |   o1: Op8,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `o1` is never read
[INFO] [stderr]   --> src/bytecode.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct OpA {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 40 |   o1: Op24,
[INFO] [stderr]    |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `dst` is never read
[INFO] [stderr]   --> src/bytecode.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct OpAS {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 45 |   dst: Op24,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `arena` and `code` are never read
[INFO] [stderr]    --> src/bytecode.rs:151:3
[INFO] [stderr]     |
[INFO] [stderr] 150 | pub struct BytecodeCtx<'a> {
[INFO] [stderr]     |            ----------- fields in this struct
[INFO] [stderr] 151 |   arena: &'a Bump,
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr] 152 |   code: Vec<u8>,
[INFO] [stderr]     |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `arena` and `ostack` are never read
[INFO] [stderr]   --> src/codegen.rs:8:3
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub struct CodeGenCtx<'a> {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr]  8 |   arena: &'a Bump,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |   ostack: SmallVec<[u8; 8]>,
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/sexp.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp {
[INFO] [stderr]    |                              ^^^^^           ^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                              |
[INFO] [stderr]    |                              the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 48 |   pub fn atom<T: AsRef<str>>(&self, s: T) -> Sexp<'_> {
[INFO] [stderr]    |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `qxq` (lib) generated 32 warnings (run `cargo fix --lib -p qxq` to apply 1 suggestion)
[INFO] [stderr] warning: `qxq` (lib test) generated 32 warnings (32 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qxq-8c693ebdd69cd2bc)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test parser::tests::test_let_bindings ... ok
[INFO] [stdout] test sexp::tests::sexp_pool ... ok
[INFO] [stdout] test tokenizer::tests::test_identifier ... ok
[INFO] [stdout] test parser::tests::test_parse_blocks ... ok
[INFO] [stdout] test tokenizer::tests::test_comments ... ok
[INFO] [stdout] test tokenizer::tests::test_keywords ... ok
[INFO] [stdout] test tokenizer::tests::test_integer_literals ... ok
[INFO] [stdout] test tokenizer::tests::test_string_literals ... ok
[INFO] [stdout] test tokenizer::tests::test_operators ... ok
[INFO] [stdout] test parser::tests::test_parse_expressions ... ok
[INFO] [stdout] test parser::tests::test_functions ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parser::tests::test_functions stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'parser::tests::test_functions' (25) panicked at src/codegen.rs:29:22:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64f4d3722d92 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x64f4d3722d92 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x64f4d3722d92 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64f4d3722d92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64f4d37337ef - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64f4d37337ef - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x64f4d36eef91 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64f4d36eef91 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64f4d36faff2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64f4d370060f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64f4d37004a1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x64f4d36b160e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x64f4d36b160e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x64f4d3700ccf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x64f4d3700ccf - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x64f4d3700af6 - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x64f4d36fb129 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x64f4d36e346d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x64f4d373b320 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x64f4d373b2fc - core::panicking::panic::h355c5fec13755e30
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x64f4d373a849 - core::option::unwrap_failed::h9039d211b71a576a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:2169:5
[INFO] [stdout]   21:     0x64f4d368daa2 - core::option::Option<T>::unwrap::h39d9d4bb9720a850
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/option.rs:1010:21
[INFO] [stdout]   22:     0x64f4d368daa2 - qxq::codegen::CodeGenCtx::emit_param_def::h2988cdb88800b19e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:16:29
[INFO] [stdout]   23:     0x64f4d3666b17 - qxq::parser::Parser::parse_expr_with_affinity::haf776c1cba271d4a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:426:22
[INFO] [stdout]   24:     0x64f4d36622bc - qxq::parser::Parser::parse_expr::h44950d5ecc6eaf5e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:313:10
[INFO] [stdout]   25:     0x64f4d3662eb8 - qxq::parser::Parser::parse_exprs::h481626450a36a761
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:624:27
[INFO] [stdout]   26:     0x64f4d367eaa3 - qxq::parser::tests::test_parse_exprs::h07731ea8fdfec6e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:668:23
[INFO] [stdout]   27:     0x64f4d367e8db - qxq::parser::tests::test_functions::hc0ff113f2fc1814c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:727:5
[INFO] [stdout]   28:     0x64f4d367e987 - qxq::parser::tests::test_functions::{{closure}}::hd504d3ec3d77c284
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:725:22
[INFO] [stdout]   29:     0x64f4d367ac26 - core::ops::function::FnOnce::call_once::h552714400f30c6f6
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x64f4d36b13cb - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   31:     0x64f4d36b13cb - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   32:     0x64f4d36c7035 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   33:     0x64f4d36c7035 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   34:     0x64f4d36c7035 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   35:     0x64f4d36c7035 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   36:     0x64f4d36c7035 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x64f4d36c7035 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   38:     0x64f4d36c7035 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   39:     0x64f4d369d824 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   40:     0x64f4d369d824 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   41:     0x64f4d36a10ea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   42:     0x64f4d36a10ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   43:     0x64f4d36a10ea - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   44:     0x64f4d36a10ea - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   45:     0x64f4d36a10ea - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   46:     0x64f4d36a10ea - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   47:     0x64f4d36a10ea - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   48:     0x64f4d36f628f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   49:     0x64f4d36f628f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   50:     0x7d9520f48aa4 - <unknown>
[INFO] [stdout]   51:     0x7d9520fd5a34 - clone
[INFO] [stdout]   52:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser::tests::test_functions
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "9d33b9abbc149a0dd3a178fcee5b44822b32d383c4ad68bb9abcc34e1d28316d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d33b9abbc149a0dd3a178fcee5b44822b32d383c4ad68bb9abcc34e1d28316d", kill_on_drop: false }`
[INFO] [stdout] 9d33b9abbc149a0dd3a178fcee5b44822b32d383c4ad68bb9abcc34e1d28316d
