[INFO] cloning repository https://github.com/kper/mill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kper/mill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkper%2Fmill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkper%2Fmill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acc159b8b09e55ef36c21ddf24205e2b22a386ba
[INFO] checking kper/mill against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkper%2Fmill" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kper/mill
[INFO] finished tweaking git repo https://github.com/kper/mill
[INFO] tweaked toml for git repo https://github.com/kper/mill written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kper/mill on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kper/mill 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kper/mill against try#ac4c3613be2acd5395b65d85e5657b81e3c982f0 for pr-154585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkper%2Fmill" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kper/mill
[INFO] finished tweaking git repo https://github.com/kper/mill
[INFO] tweaked toml for git repo https://github.com/kper/mill written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kper/mill on toolchain ac4c3613be2acd5395b65d85e5657b81e3c982f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kper/mill 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" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.20.0
[INFO] [stderr]   Downloaded into-attr v0.1.1
[INFO] [stderr]   Downloaded errno v0.3.5
[INFO] [stderr]   Downloaded into-attr-derive v0.2.1
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[INFO] [stderr]   Downloaded dot-generator v0.2.0
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded pest_generator v2.7.5
[INFO] [stderr]   Downloaded graphviz-rust v0.6.6
[INFO] [stderr]   Downloaded clap v4.4.7
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[INFO] [stderr]   Downloaded pest v2.7.5
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[INFO] [stderr]   Downloaded clap_builder v4.4.7
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[INFO] [stderr]   Downloaded encode_unicode v0.3.6
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[INFO] [stderr]   Downloaded lalrpop v0.20.0
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[INFO] [stderr]   Downloaded insta v1.34.0
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b38ac9a2364ead8dd700ba18b80af74fbc63f5e16fb40fa3ae51251cf1e20710
[INFO] running `Command { std: "docker" "start" "-a" "b38ac9a2364ead8dd700ba18b80af74fbc63f5e16fb40fa3ae51251cf1e20710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b38ac9a2364ead8dd700ba18b80af74fbc63f5e16fb40fa3ae51251cf1e20710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38ac9a2364ead8dd700ba18b80af74fbc63f5e16fb40fa3ae51251cf1e20710", kill_on_drop: false }`
[INFO] [stdout] b38ac9a2364ead8dd700ba18b80af74fbc63f5e16fb40fa3ae51251cf1e20710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ac4c3613be2acd5395b65d85e5657b81e3c982f0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8115dd7fca82eb346dc3ae68bae206ba6301ac1e01bc3104725c0cf7bcb517c0
[INFO] running `Command { std: "docker" "start" "-a" "8115dd7fca82eb346dc3ae68bae206ba6301ac1e01bc3104725c0cf7bcb517c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling dot-structures v0.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling into-attr v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking similar v2.3.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking insta v1.34.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking lalrpop-util v0.20.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]    Compiling into-attr-derive v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]    Compiling lalrpop v0.20.0
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling llvm-sys v130.1.2
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking graphviz-rust v0.6.6
[INFO] [stderr]    Compiling mill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/lir/lowering.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]   --> src/main.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | use anyhow::{Context, Result};
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/lir/lowering.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]   --> src/main.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | use anyhow::{Context, Result};
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `insta::assert_snapshot`
[INFO] [stdout]  --> src/tests/ir.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use insta::assert_snapshot;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::run_visitor`
[INFO] [stdout]  --> src/tests/prelude.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::run_visitor;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struc`
[INFO] [stdout]    --> src/lir/lowering.rs:146:30
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn map_struct(&mut self, struc: &Struct) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `struc`
[INFO] [stdout]    --> src/lir/lowering.rs:146:30
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn map_struct(&mut self, struc: &Struct) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_struc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codegen`
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `codegen` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `runner` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `program` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     compile!("fn main() { return 1; }");
[INFO] [stdout]    |     ----------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codegen`
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `codegen` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `runner` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `program` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     compile!("fn main() { let a : int = 1; let b : int = 2; }");
[INFO] [stdout]    |     ----------------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codegen`
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `codegen` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `runner` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `program` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     compile!("fn main() { let a : int = 1; a = 2; }");
[INFO] [stdout]    |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codegen`
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `codegen` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `runner` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `program` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     compile!("fn main() { return 1 + 2; }");
[INFO] [stdout]    |     --------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codegen`
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `codegen` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `runner` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `program` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     compile!("fn main() -> int { if 2 == 2 { return 1; } return 0; }");
[INFO] [stdout]    |     ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |               let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                   ----^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |               let mut runner = Runner;
[INFO] [stdout]    |                   ----^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |               let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                   ----^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codegen`
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |               let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `codegen` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |               let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |               let mut runner = Runner;
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `runner` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |               let mut runner = Runner;
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |               let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `program` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |               let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 | /     compile!(
[INFO] [stdout] 77 | |         "fn f(b: int) -> int { return b; } fn main() -> int { let a : int = 1; return f(a); }"
[INFO] [stdout] 78 | |     );
[INFO] [stdout]    | |_____- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codegen`
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `codegen` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             let mut codegen = Codegen::new(context, module, builder);
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `runner` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut runner = Runner;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `program` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> src/tests/ir.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             let mut program = grammar::ProgramParser::new().parse(&input).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     compile!("fn main() -> int { let a : int = 1; return f(a); } fn f(a:int) -> int { return a; }");
[INFO] [stdout]    |     ----------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `compile` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn run(mut ast: ast::Program) -> Result<()> {
[INFO] [stdout]    |        ----^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut runner = Runner;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn run(mut ast: ast::Program) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut runner = Runner;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named struct `Runner`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut runner = Runner;
[INFO] [stdout] 95 +     let runner::Runner = Runner;
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut runner = Runner;
[INFO] [stdout] 95 +     let _runner = Runner;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Codegen` is never constructed
[INFO] [stdout]   --> src/codegen/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Codegen {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `clear_expr_table` are never used
[INFO] [stdout]   --> src/codegen/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Codegen {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 23 |     pub fn new(context: LLVMContextRef, module: LLVMModuleRef, builder: LLVMBuilderRef) -> Codegen {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn clear_expr_table(&mut self, function: &Identifier) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lowering` is never used
[INFO] [stdout]  --> src/runner.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Runner {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 7 |     pub fn lowering(&mut self, program: &Program) -> Result<crate::lir::tree::LoweredProgram> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pars` and `entry` are never read
[INFO] [stdout]   --> src/lir/tree.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct LoweredFunction {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 32 |     pub id: Identifier,
[INFO] [stdout] 33 |     pub pars: Vec<Identifier>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 34 |     pub entry: BasicBlockId,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoweredFunction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lir/tree.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl LoweredFunction {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn new(id: Identifier, pars: Vec<Identifier>, entry: BasicBlockId, blocks: Vec<BasicBlock>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Phi` and `UnconditionalJump` are never constructed
[INFO] [stdout]    --> src/lir/tree.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub enum LoweredStatement {
[INFO] [stdout]     |          ---------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 134 |     Phi(Variable, Vec<Variable>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 135 |     UnconditionalJump(Box<BasicBlock>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LoweredStatement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `map_struct` is never used
[INFO] [stdout]    --> src/lir/lowering.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl LoweringPass {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn map_struct(&mut self, struc: &Struct) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn run(mut ast: ast::Program) -> Result<()> {
[INFO] [stdout]    |        ----^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut runner = Runner;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]   --> src/main.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn run(mut ast: ast::Program) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `runner`
[INFO] [stdout]   --> src/main.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut runner = Runner;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named struct `Runner`
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut runner = Runner;
[INFO] [stdout] 95 +     let runner::Runner = Runner;
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 95 -     let mut runner = Runner;
[INFO] [stdout] 95 +     let _runner = Runner;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/codegen/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Codegen {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 12 |     pub context: LLVMContextRef,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 13 |     pub module: LLVMModuleRef,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub builder: LLVMBuilderRef,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 15 |     pub symbol_tables: HashMap<Identifier, LLVMSymbolTable>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 16 |     pub function_table: LLVMFunctionTable,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     pub block_table: LLVMBlockTable,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 18 |     pub struct_table: LLVMStructTable,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub expr_tables: HashMap<Identifier, LLVMExprTable>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear_expr_table` is never used
[INFO] [stdout]   --> src/codegen/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Codegen {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn clear_expr_table(&mut self, function: &Identifier) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lowering` is never used
[INFO] [stdout]  --> src/runner.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Runner {
[INFO] [stdout]   | ----------- method in this implementation
[INFO] [stdout] 7 |     pub fn lowering(&mut self, program: &Program) -> Result<crate::lir::tree::LoweredProgram> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lir/tree.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl LoweredFunction {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn new(id: Identifier, pars: Vec<Identifier>, entry: BasicBlockId, blocks: Vec<BasicBlock>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Phi` and `UnconditionalJump` are never constructed
[INFO] [stdout]    --> src/lir/tree.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub enum LoweredStatement {
[INFO] [stdout]     |          ---------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 134 |     Phi(Variable, Vec<Variable>),
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 135 |     UnconditionalJump(Box<BasicBlock>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LoweredStatement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `map_struct` is never used
[INFO] [stdout]    --> src/lir/lowering.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl LoweringPass {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn map_struct(&mut self, struc: &Struct) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.27s
[INFO] running `Command { std: "docker" "inspect" "8115dd7fca82eb346dc3ae68bae206ba6301ac1e01bc3104725c0cf7bcb517c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8115dd7fca82eb346dc3ae68bae206ba6301ac1e01bc3104725c0cf7bcb517c0", kill_on_drop: false }`
[INFO] [stdout] 8115dd7fca82eb346dc3ae68bae206ba6301ac1e01bc3104725c0cf7bcb517c0
