[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 1.90.0 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/waterlens/qxq on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded allocator-api2 v0.2.18
[INFO] [stderr]   Downloaded boxing v0.1.2
[INFO] [stderr]   Downloaded hashconsing v1.6.0
[INFO] [stderr]   Downloaded by_address v1.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.86
[INFO] [stderr]   Downloaded phf_shared v0.11.2
[INFO] [stderr]   Downloaded typenum v1.17.0
[INFO] [stderr]   Downloaded im v15.1.0
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.35
[INFO] [stderr]   Downloaded syn v2.0.72
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[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] [stderr]   Downloaded sptr v0.3.2
[INFO] [stderr]   Downloaded ordermap v0.5.0
[INFO] [stderr]   Downloaded zerocopy v0.7.35
[INFO] [stderr]   Downloaded bumpalo v3.16.0
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[INFO] [stderr]   Downloaded once_cell v1.19.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
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[INFO] [stderr]   Downloaded phf_generator v0.11.2
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[INFO] [stderr]   Downloaded phf_macros v0.11.2
[INFO] [stderr]   Downloaded ahash v0.8.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2646a51aa9be5e0ac4037e9c929a8d7f1b9e2fb61c38918da226af650cf93d90
[INFO] running `Command { std: "docker" "start" "-a" "2646a51aa9be5e0ac4037e9c929a8d7f1b9e2fb61c38918da226af650cf93d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2646a51aa9be5e0ac4037e9c929a8d7f1b9e2fb61c38918da226af650cf93d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2646a51aa9be5e0ac4037e9c929a8d7f1b9e2fb61c38918da226af650cf93d90", kill_on_drop: false }`
[INFO] [stdout] 2646a51aa9be5e0ac4037e9c929a8d7f1b9e2fb61c38918da226af650cf93d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e2e913050a6b0697fa3402e9d2d8b2698cdd04d8f42044d0091ccdf1e215808
[INFO] running `Command { std: "docker" "start" "-a" "5e2e913050a6b0697fa3402e9d2d8b2698cdd04d8f42044d0091ccdf1e215808", 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 typenum v1.17.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[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 lazy_static v1.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling sptr v0.3.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling hashconsing v1.6.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling boxing v0.1.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling bitmaps v2.1.0
[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)]` 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)]` 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 11.14s
[INFO] running `Command { std: "docker" "inspect" "5e2e913050a6b0697fa3402e9d2d8b2698cdd04d8f42044d0091ccdf1e215808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2e913050a6b0697fa3402e9d2d8b2698cdd04d8f42044d0091ccdf1e215808", kill_on_drop: false }`
[INFO] [stdout] 5e2e913050a6b0697fa3402e9d2d8b2698cdd04d8f42044d0091ccdf1e215808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08cd32d107924d3c6468df4cffc05aa5cb1ef0ac942d789ac605d7dd52baf74f
[INFO] running `Command { std: "docker" "start" "-a" "08cd32d107924d3c6468df4cffc05aa5cb1ef0ac942d789ac605d7dd52baf74f", 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)]` 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)]` 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]    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)]` 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)]` 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 1.25s
[INFO] running `Command { std: "docker" "inspect" "08cd32d107924d3c6468df4cffc05aa5cb1ef0ac942d789ac605d7dd52baf74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08cd32d107924d3c6468df4cffc05aa5cb1ef0ac942d789ac605d7dd52baf74f", kill_on_drop: false }`
[INFO] [stdout] 08cd32d107924d3c6468df4cffc05aa5cb1ef0ac942d789ac605d7dd52baf74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fffc73da09e4a9c390e575fb2f6f98dfde86f68e235e755746e06a5bd3f1568b
[INFO] running `Command { std: "docker" "start" "-a" "fffc73da09e4a9c390e575fb2f6f98dfde86f68e235e755746e06a5bd3f1568b", 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)]` 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)]` 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
[INFO] [stderr] warning: `qxq` (lib test) generated 32 warnings (32 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qxq-c276b7f9ffdd48da)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test parser::tests::test_parse_blocks ... ok
[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 tokenizer::tests::test_operators ... ok
[INFO] [stdout] test tokenizer::tests::test_string_literals ... ok
[INFO] [stdout] test parser::tests::test_parse_expressions ... 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 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' panicked at src/codegen.rs:29:22:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649bbf5267d2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x649bbf5267d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x649bbf5267d2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x649bbf5267d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x649bbf54c3d3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x649bbf54c3d3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x649bbf523573 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x649bbf523573 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x649bbf526622 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x649bbf527d49 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x649bbf527b7e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x649bbf4e0114 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x649bbf4e0114 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x649bbf52871e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x649bbf52871e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x649bbf5284b6 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x649bbf526cc9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x649bbf52817d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x649bbf54a820 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x649bbf54a8ac - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x649bbf54a799 - core::option::unwrap_failed::he1a8284b5a1e2496
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/option.rs:2130:5
[INFO] [stdout]   21:     0x649bbf4a6972 - core::option::Option<T>::unwrap::h80abd47d63f3d462
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/option.rs:1009:21
[INFO] [stdout]   22:     0x649bbf4a6972 - qxq::codegen::CodeGenCtx::emit_param_def::he82d8d707414b27c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/codegen.rs:16:29
[INFO] [stdout]   23:     0x649bbf47ce47 - qxq::parser::Parser::parse_expr_with_affinity::hfc44d34e90162b2a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:426:22
[INFO] [stdout]   24:     0x649bbf47ac1c - qxq::parser::Parser::parse_expr::hcc1fc8d492fdee62
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:313:10
[INFO] [stdout]   25:     0x649bbf485db8 - qxq::parser::Parser::parse_exprs::hd4427e37b31abbd2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:624:27
[INFO] [stdout]   26:     0x649bbf493803 - qxq::parser::tests::test_parse_exprs::hb0e95395f47855ea
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:668:23
[INFO] [stdout]   27:     0x649bbf49400b - qxq::parser::tests::test_functions::h2f28f923989ab7b5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:727:5
[INFO] [stdout]   28:     0x649bbf493fb7 - qxq::parser::tests::test_functions::{{closure}}::h6dc561cd5ecfc6e5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:725:22
[INFO] [stdout]   29:     0x649bbf490456 - core::ops::function::FnOnce::call_once::h3142ae9914d4dfd0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   30:     0x649bbf4e597b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   31:     0x649bbf4e597b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   32:     0x649bbf4e4ab5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   33:     0x649bbf4e4ab5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   34:     0x649bbf4e4ab5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   35:     0x649bbf4e4ab5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   36:     0x649bbf4e4ab5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   37:     0x649bbf4e4ab5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   38:     0x649bbf4e4ab5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   39:     0x649bbf4a86b4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   40:     0x649bbf4a86b4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   41:     0x649bbf4ac08a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   42:     0x649bbf4ac08a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   43:     0x649bbf4ac08a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   44:     0x649bbf4ac08a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   45:     0x649bbf4ac08a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   46:     0x649bbf4ac08a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   47:     0x649bbf4ac08a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   48:     0x649bbf52b8bf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   49:     0x649bbf52b8bf - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   50:     0x7694b18b1aa4 - <unknown>
[INFO] [stdout]   51:     0x7694b193ea34 - 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 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "fffc73da09e4a9c390e575fb2f6f98dfde86f68e235e755746e06a5bd3f1568b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffc73da09e4a9c390e575fb2f6f98dfde86f68e235e755746e06a5bd3f1568b", kill_on_drop: false }`
[INFO] [stdout] fffc73da09e4a9c390e575fb2f6f98dfde86f68e235e755746e06a5bd3f1568b
