[INFO] fetching crate nyar_valkyrie 0.0.8...
[INFO] testing nyar_valkyrie-0.0.8 against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] extracting crate nyar_valkyrie 0.0.8 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nyar_valkyrie 0.0.8 on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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" "+9f93af291970322f4f1c6315ccde4d7078201159" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e3841dd71d2b4c077d1349ed139ba5d85bfd25f0612849219a8df4e1e5c7ef9
[INFO] running `Command { std: "docker" "start" "-a" "3e3841dd71d2b4c077d1349ed139ba5d85bfd25f0612849219a8df4e1e5c7ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e3841dd71d2b4c077d1349ed139ba5d85bfd25f0612849219a8df4e1e5c7ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3841dd71d2b4c077d1349ed139ba5d85bfd25f0612849219a8df4e1e5c7ef9", kill_on_drop: false }`
[INFO] [stdout] 3e3841dd71d2b4c077d1349ed139ba5d85bfd25f0612849219a8df4e1e5c7ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c41098e9d86752a350e53c6dd434aa8846d6e38546e75c7f29cf61e55ad7344
[INFO] running `Command { std: "docker" "start" "-a" "9c41098e9d86752a350e53c6dd434aa8846d6e38546e75c7f29cf61e55ad7344", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[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 syn v2.0.109
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[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: 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: unused variable: `base`
[INFO] [stdout]    --> src/grammar.rs:402:9
[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: 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 15.01s
[INFO] running `Command { std: "docker" "inspect" "9c41098e9d86752a350e53c6dd434aa8846d6e38546e75c7f29cf61e55ad7344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c41098e9d86752a350e53c6dd434aa8846d6e38546e75c7f29cf61e55ad7344", kill_on_drop: false }`
[INFO] [stdout] 9c41098e9d86752a350e53c6dd434aa8846d6e38546e75c7f29cf61e55ad7344
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96fa4b0814a80a979585b1bbb627ee764013aaf476e7bf4e4145cbaedbe0908
[INFO] running `Command { std: "docker" "start" "-a" "c96fa4b0814a80a979585b1bbb627ee764013aaf476e7bf4e4145cbaedbe0908", 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] [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: 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: unused variable: `base`
[INFO] [stdout]    --> src/grammar.rs:402:9
[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: 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]    Compiling nyar_valkyrie v0.0.8 (/opt/rustwide/workdir)
[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 `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_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_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_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: 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 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: 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: unused variable: `base`
[INFO] [stdout]    --> src/grammar.rs:402:9
[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: 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 2.04s
[INFO] running `Command { std: "docker" "inspect" "c96fa4b0814a80a979585b1bbb627ee764013aaf476e7bf4e4145cbaedbe0908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96fa4b0814a80a979585b1bbb627ee764013aaf476e7bf4e4145cbaedbe0908", kill_on_drop: false }`
[INFO] [stdout] c96fa4b0814a80a979585b1bbb627ee764013aaf476e7bf4e4145cbaedbe0908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29263463ebb17f82bf69347a618cfc109734ce7208d16e73d628228360a43f08
[INFO] running `Command { std: "docker" "start" "-a" "29263463ebb17f82bf69347a618cfc109734ce7208d16e73d628228360a43f08", kill_on_drop: false }`
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stderr]    |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:11:43
[INFO] [stderr]    |
[INFO] [stderr] 11 | use pest::prec_climber::{Assoc, Operator, PrecClimber};
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 |     static ref PREC_CLIMBER: PrecClimber<Rule> = {
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         PrecClimber::new(vec![
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Operator::new(Set, Left),
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:33:32
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Operator::new(Set, Left),
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stderr]    |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:34:41
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stderr]    |                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:34:62
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stderr]    |                                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:35:37
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stderr]    |                                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:35:45
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:35:70
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stderr]    |                                                                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Operator::new(Power, Right),
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Operator::new(Power, Right),
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Operator::new(Dot, Left)
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:37:32
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Operator::new(Dot, Left)
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         use Assoc::*;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:32:22
[INFO] [stderr]    |
[INFO] [stderr] 32 |         PrecClimber::new(vec![
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:33:23
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Operator::new(Set, Left),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:34:51
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Operator::new(Plus, Left) | Operator::new(Minus, Left),
[INFO] [stderr]    |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 |             Operator::new(Multiply, Left) | Operator::new(CenterDot, Left),
[INFO] [stderr]    |                                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:36:23
[INFO] [stderr]    |
[INFO] [stderr] 36 |             Operator::new(Power, Right),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]   --> src/grammar.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Operator::new(Dot, Left)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]          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] [stderr]    --> src/grammar.rs:275:18
[INFO] [stderr]     |
[INFO] [stderr] 275 |     PREC_CLIMBER.climb(
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/grammar.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let args = std::env::args();
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/grammar.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let mut base = AST::None;
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `base`
[INFO] [stderr]    --> src/grammar.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |     let mut base = AST::None;
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Settings` is never constructed
[INFO] [stderr]   --> src/grammar.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Settings {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_cli_args` is never used
[INFO] [stderr]   --> src/grammar.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Settings {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 19 |     fn from_cli_args() -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_dict` is never used
[INFO] [stderr]    --> src/grammar.rs:225:4
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn parse_dict(pairs: Pair<Rule>) -> AST {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `format_pair` is never used
[INFO] [stderr]  --> src/utils.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn format_pair(pair: Pair<&str>, indent_level: usize, is_newline: bool) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nyar_valkyrie` (lib) generated 36 warnings (run `cargo fix --lib -p nyar_valkyrie` to apply 3 suggestions)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_if.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ast.save("tests/debug_if.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let _ = ast.save("tests/debug_if.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_expr.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ast.save("tests/debug_expr.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let _ = ast.save("tests/debug_expr.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_expr.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     ast.save("tests/debug_list_or_slice.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let _ = ast.save("tests/debug_list_or_slice.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_expr.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ast.save("tests/debug_expr_brackets.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let _ = ast.save("tests/debug_expr_brackets.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_expr.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     ast.save("tests/debug_dot_call.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let _ = ast.save("tests/debug_dot_call.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_number.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     ast.save("tests/debug_bytes.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let _ = ast.save("tests/debug_bytes.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_number.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     ast.save("tests/debug_numbers.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let _ = ast.save("tests/debug_numbers.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_assign.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ast.save("tests/debug_let.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let _ = ast.save("tests/debug_let.json");
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nyar_valkyrie` (test "test_if") generated 1 warning
[INFO] [stderr] warning: `nyar_valkyrie` (test "test_expr") generated 4 warnings
[INFO] [stderr] warning: `nyar_valkyrie` (test "test_number") generated 2 warnings
[INFO] [stderr] warning: `nyar_valkyrie` (test "test_assign") generated 1 warning
[INFO] [stderr] warning: `nyar_valkyrie` (lib test) generated 36 warnings (36 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nyar_valkyrie-3a46a2058e92ae6d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_assign.rs (/opt/rustwide/target/debug/deps/test_assign-af95435ebf098cbd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test debug_let ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- debug_let stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'debug_let' (17) panicked at src/grammar.rs:149:30:
[INFO] [stdout] internal error: entered unreachable code
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61817bdc94d2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61817bdc94d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61817bdc94d2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61817bdc94d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61817bdd9caf - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61817bdd9caf - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x61817bd96e93 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61817bd96e93 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61817bda2c32 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61817bda776f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x61817bda7601 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x61817bb9d58e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x61817bb9d58e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61817bda7d7f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x61817bda7d7f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x61817bda7ba6 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x61817bda2d69 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x61817bd8b65d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x61817bde3410 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61817bde33ec - core::panicking::panic::h5cbcc2ceb0950681
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x61817bbc47f9 - nyar_valkyrie::grammar::parse_assign::hce56164ad754bd7a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grammar.rs:149:30
[INFO] [stdout]   21:     0x61817bbc78c1 - nyar_valkyrie::grammar::parse_statement::hb1196b4f9f79bae8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grammar.rs:64:25
[INFO] [stdout]   22:     0x61817bbc8df4 - nyar_valkyrie::grammar::get_ast::h7886fca2921764dd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/grammar.rs:48:43
[INFO] [stdout]   23:     0x61817bb7ca85 - test_assign::debug_let::h9f7239ac0a019597
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_assign.rs:23:15
[INFO] [stdout]   24:     0x61817bb7cb37 - test_assign::debug_let::{{closure}}::h13cf396867e9388f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_assign.rs:22:15
[INFO] [stdout]   25:     0x61817bb7cc66 - core::ops::function::FnOnce::call_once::he309817571aa64ff
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x61817bb9d38b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x61817bb9d38b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x61817bbb13ed - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x61817bbb13ed - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x61817bbb13ed - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   31:     0x61817bbb13ed - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   32:     0x61817bbb13ed - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x61817bbb13ed - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x61817bbb13ed - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x61817bb8a934 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x61817bb8a934 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   37:     0x61817bb8e18a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   38:     0x61817bb8e18a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x61817bb8e18a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   40:     0x61817bb8e18a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   41:     0x61817bb8e18a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x61817bb8e18a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   43:     0x61817bb8e18a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x61817bd9e16f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   45:     0x61817bd9e16f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   46:     0x7769c5c12aa4 - <unknown>
[INFO] [stdout]   47:     0x7769c5c9fa64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     debug_let
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test test_assign`
[INFO] running `Command { std: "docker" "inspect" "29263463ebb17f82bf69347a618cfc109734ce7208d16e73d628228360a43f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29263463ebb17f82bf69347a618cfc109734ce7208d16e73d628228360a43f08", kill_on_drop: false }`
[INFO] [stdout] 29263463ebb17f82bf69347a618cfc109734ce7208d16e73d628228360a43f08
