[INFO] fetching crate nyar_valkyrie 0.0.8...
[INFO] building nyar_valkyrie-0.0.8 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate nyar_valkyrie 0.0.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate nyar_valkyrie 0.0.8
[INFO] finished tweaking crates.io crate nyar_valkyrie 0.0.8
[INFO] tweaked toml for crates.io crate nyar_valkyrie 0.0.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nyar_valkyrie 0.0.8 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding nyar_ast v0.0.8 (available: v0.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nyar_ast v0.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 034edce28ea1f554ef666067fe48f77b09ef15feb1d750d5625b707047a365d7
[INFO] running `Command { std: "docker" "start" "-a" "034edce28ea1f554ef666067fe48f77b09ef15feb1d750d5625b707047a365d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "034edce28ea1f554ef666067fe48f77b09ef15feb1d750d5625b707047a365d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034edce28ea1f554ef666067fe48f77b09ef15feb1d750d5625b707047a365d7", kill_on_drop: false }`
[INFO] [stdout] 034edce28ea1f554ef666067fe48f77b09ef15feb1d750d5625b707047a365d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fed6dcbb7b9c86cb42e95e5ee8ab0cfa42cc3389af40c5dc3212a4b1a7cbb20e
[INFO] running `Command { std: "docker" "start" "-a" "fed6dcbb7b9c86cb42e95e5ee8ab0cfa42cc3389af40c5dc3212a4b1a7cbb20e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling nyar_ast v0.0.8
[INFO] [stderr]    Compiling nyar_valkyrie v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated enum `pest::prec_climber::Assoc`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     static ref PREC_CLIMBER: PrecClimber<Rule> = {
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         PrecClimber::new(vec![
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:62
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:70
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Right`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated enum `pest::prec_climber::Assoc`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use Assoc::*;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::PrecClimber::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         PrecClimber::new(vec![
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `pest::prec_climber::PrecClimber::<R>::climb`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]    --> src/grammar.rs:275:18
[INFO] [stdout]     |
[INFO] [stdout] 275 |     PREC_CLIMBER.climb(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/grammar.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let args = std::env::args();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/grammar.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut base = AST::None;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut base = AST::None;
[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: struct `Settings` is never constructed
[INFO] [stdout]   --> src/grammar.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Settings {
[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 function `from_cli_args` is never used
[INFO] [stdout]   --> src/grammar.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Settings {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 19 |     fn from_cli_args() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dict` is never used
[INFO] [stdout]    --> src/grammar.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn parse_dict(pairs: Pair<Rule>) -> AST {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_pair` is never used
[INFO] [stdout]  --> src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn format_pair(pair: Pair<&str>, indent_level: usize, is_newline: bool) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "fed6dcbb7b9c86cb42e95e5ee8ab0cfa42cc3389af40c5dc3212a4b1a7cbb20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed6dcbb7b9c86cb42e95e5ee8ab0cfa42cc3389af40c5dc3212a4b1a7cbb20e", kill_on_drop: false }`
[INFO] [stdout] fed6dcbb7b9c86cb42e95e5ee8ab0cfa42cc3389af40c5dc3212a4b1a7cbb20e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96146dbf9608569ef5f0d1588a85cdca029e6c2945095d37e278ff9afff15317
[INFO] running `Command { std: "docker" "start" "-a" "96146dbf9608569ef5f0d1588a85cdca029e6c2945095d37e278ff9afff15317", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated enum `pest::prec_climber::Assoc`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     static ref PREC_CLIMBER: PrecClimber<Rule> = {
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         PrecClimber::new(vec![
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:62
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:70
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Right`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated enum `pest::prec_climber::Assoc`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use Assoc::*;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::PrecClimber::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         PrecClimber::new(vec![
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nyar_valkyrie v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `pest::prec_climber::PrecClimber::<R>::climb`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]    --> src/grammar.rs:275:18
[INFO] [stdout]     |
[INFO] [stdout] 275 |     PREC_CLIMBER.climb(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/grammar.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let args = std::env::args();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/grammar.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut base = AST::None;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut base = AST::None;
[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: struct `Settings` is never constructed
[INFO] [stdout]   --> src/grammar.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Settings {
[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 function `from_cli_args` is never used
[INFO] [stdout]   --> src/grammar.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Settings {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 19 |     fn from_cli_args() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dict` is never used
[INFO] [stdout]    --> src/grammar.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn parse_dict(pairs: Pair<Rule>) -> AST {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_pair` is never used
[INFO] [stdout]  --> src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn format_pair(pair: Pair<&str>, indent_level: usize, is_newline: bool) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_expr.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ast.save("tests/debug_expr.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = ast.save("tests/debug_expr.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_expr.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     ast.save("tests/debug_list_or_slice.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let _ = ast.save("tests/debug_list_or_slice.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_expr.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     ast.save("tests/debug_expr_brackets.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let _ = ast.save("tests/debug_expr_brackets.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_expr.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     ast.save("tests/debug_dot_call.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let _ = ast.save("tests/debug_dot_call.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated enum `pest::prec_climber::Assoc`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     static ref PREC_CLIMBER: PrecClimber<Rule> = {
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::PrecClimber`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         PrecClimber::new(vec![
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:62
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:70
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Right`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `pest::prec_climber::Operator`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `pest::prec_climber::Assoc::Left`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated enum `pest::prec_climber::Assoc`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use Assoc::*;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_number.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ast.save("tests/debug_bytes.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let _ = ast.save("tests/debug_bytes.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_number.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     ast.save("tests/debug_numbers.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = ast.save("tests/debug_numbers.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_assign.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     ast.save("tests/debug_let.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let _ = ast.save("tests/debug_let.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::PrecClimber::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         PrecClimber::new(vec![
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Operator::new(Set, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:34:51
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stdout]    |                                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:35:55
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stdout]    |                                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Operator::new(Power, Right),
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pest::prec_climber::Operator::<R>::new`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]   --> src/grammar.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Operator::new(Dot, Left)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `pest::prec_climber::PrecClimber::<R>::climb`: Use `pest::pratt_parser` instead (it is an equivalent which also supports unary prefix/suffix operators).
[INFO] [stdout]          While prec_climber is going to be kept in 2.x minor and patch releases, it may be removed in a future major release.
[INFO] [stdout]    --> src/grammar.rs:275:18
[INFO] [stdout]     |
[INFO] [stdout] 275 |     PREC_CLIMBER.climb(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_if.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ast.save("tests/debug_if.json");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = ast.save("tests/debug_if.json");
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/grammar.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let args = std::env::args();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/grammar.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut base = AST::None;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/grammar.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let mut base = AST::None;
[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: struct `Settings` is never constructed
[INFO] [stdout]   --> src/grammar.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Settings {
[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 function `from_cli_args` is never used
[INFO] [stdout]   --> src/grammar.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Settings {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 19 |     fn from_cli_args() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dict` is never used
[INFO] [stdout]    --> src/grammar.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn parse_dict(pairs: Pair<Rule>) -> AST {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_pair` is never used
[INFO] [stdout]  --> src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn format_pair(pair: Pair<&str>, indent_level: usize, is_newline: bool) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "96146dbf9608569ef5f0d1588a85cdca029e6c2945095d37e278ff9afff15317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96146dbf9608569ef5f0d1588a85cdca029e6c2945095d37e278ff9afff15317", kill_on_drop: false }`
[INFO] [stdout] 96146dbf9608569ef5f0d1588a85cdca029e6c2945095d37e278ff9afff15317
