[INFO] cloning repository https://github.com/ThatsGobbles/cheffu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatsGobbles/cheffu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fcheffu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fcheffu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94231f8ac9f9ed33de065b2ab0e3d8809ed7dcb8
[INFO] checking ThatsGobbles/cheffu against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Fcheffu" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/cheffu on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatsGobbles/cheffu
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/cheffu
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/cheffu written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/cheffu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.6
[INFO] [stderr]   Downloaded regex-syntax v0.5.0
[INFO] [stderr]   Downloaded regex v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7af8144207de89a4d7085b60f01c28ac98d8e3a78bb5b258c3e9d41cf8b75b34
[INFO] running `Command { std: "docker" "start" "-a" "7af8144207de89a4d7085b60f01c28ac98d8e3a78bb5b258c3e9d41cf8b75b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af8144207de89a4d7085b60f01c28ac98d8e3a78bb5b258c3e9d41cf8b75b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af8144207de89a4d7085b60f01c28ac98d8e3a78bb5b258c3e9d41cf8b75b34", kill_on_drop: false }`
[INFO] [stdout] 7af8144207de89a4d7085b60f01c28ac98d8e3a78bb5b258c3e9d41cf8b75b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05b5ebbb1d315b37f1547f69e9dd671a76f3633b0b7478596e6a665d611df71a
[INFO] running `Command { std: "docker" "start" "-a" "05b5ebbb1d315b37f1547f69e9dd671a76f3633b0b7478596e6a665d611df71a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking regex v0.2.7
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking cheffu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: no rules expected the token `:`
[INFO] [stdout]    --> src/parallel/flow.rs:295:62
[INFO] [stdout]     |
[INFO] [stdout] 295 |             ((flow![FlowItem::Token(token_a.clone())], vec![0: Slot]),
[INFO] [stdout]     |                                                              ^ no rules expected this token in macro call
[INFO] [stdout]     |
[INFO] [stdout] note: while trying to match `;`
[INFO] [stdout]    --> /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/alloc/src/macros.rs:46:16
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `allow`
[INFO] [stdout]   --> src/parallel/gate.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! allow {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `splitset`
[INFO] [stdout]   --> src/parallel/flow.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! splitset {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     /** Primitive types **/
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/mod.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     /// Represents a fractional amount between 0 and 1, noninclusive.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/parser/mod.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     /** Tokens **/
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/parser/mod.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     /** Gates **/
[INFO] [stdout]     |     ^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/parser/mod.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     /** Flows **/
[INFO] [stdout]     |     ^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::Error`
[INFO] [stdout]  --> src/processor/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Slot`
[INFO] [stdout]    --> src/parallel/flow.rs:284:36
[INFO] [stdout]     |
[INFO] [stdout] 284 |     use super::super::gate::{Gate, Slot};
[INFO] [stdout]     |                                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/mod.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     /** Primitive types **/
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/parser/mod.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     /// Represents a fractional amount between 0 and 1, noninclusive.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/parser/mod.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     /** Tokens **/
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/parser/mod.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     /** Gates **/
[INFO] [stdout]     |     ^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/parser/mod.rs:176:5
[INFO] [stdout]     |
[INFO] [stdout] 176 |     /** Flows **/
[INFO] [stdout]     |     ^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FlowItem`, `Flow`, `SplitSet`, `Split`
[INFO] [stdout]    --> src/parser/mod.rs:227:39
[INFO] [stdout]     |
[INFO] [stdout] 227 |     #[macro_use] use parallel::flow::{Flow, FlowItem, SplitSet, Split};
[INFO] [stdout]     |                                       ^^^^  ^^^^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::Error`
[INFO] [stdout]  --> src/processor/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `macro_at_most_once_rep` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(macro_at_most_once_rep)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `entry_or_default` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(entry_or_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]    --> src/parser/mod.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     #[macro_use] use parallel::gate::Gate;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]    --> src/parser/mod.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     #[macro_use] use parallel::flow::{Flow, FlowItem, SplitSet, Split};
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `macro_at_most_once_rep` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(macro_at_most_once_rep)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `entry_or_default` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(entry_or_default)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parallel/flow.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |                     for mut result in &mut results {
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parallel/flow.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     let mut split_set_walks = split_set.find_walks(target_slot, &mut slot_stack)?;
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cheffu` (bin "cheffu" test) due to 2 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `INGREDIENT_SIGIL` is never used
[INFO] [stdout]  --> src/parser/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const INGREDIENT_SIGIL: char = '*';
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MODIFIER_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const MODIFIER_SIGIL: char = ',';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ANNOTATION_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ANNOTATION_SIGIL: char = ';';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACTION_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const ACTION_SIGIL: char = '=';
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COMBINATION_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const COMBINATION_SIGIL: char = '/';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CONCRETE_TOKEN_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const CONCRETE_TOKEN_SIGIL: char = '*';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OPERATOR_TOKEN_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const OPERATOR_TOKEN_SIGIL: char = '+';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `METADATA_TOKEN_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const METADATA_TOKEN_SIGIL: char = '&';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPLIT_SET_START` is never used
[INFO] [stdout]   --> src/parser/mod.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const SPLIT_SET_START: char = '[';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPLIT_SET_CLOSE` is never used
[INFO] [stdout]   --> src/parser/mod.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const SPLIT_SET_CLOSE: char = ']';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPLIT_SET_SEPARATOR` is never used
[INFO] [stdout]   --> src/parser/mod.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SPLIT_SET_SEPARATOR: char = '|';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GATE_START` is never used
[INFO] [stdout]   --> src/parser/mod.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const GATE_START: char = '<';
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GATE_CLOSE` is never used
[INFO] [stdout]   --> src/parser/mod.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const GATE_CLOSE: char = '>';
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GATE_INVERT_FLAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const GATE_INVERT_FLAG: char = '!';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPTY_FLOW_FLAG` is never used
[INFO] [stdout]   --> src/parser/mod.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const EMPTY_FLOW_FLAG: char = '~';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_SPLIT_START_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const VAR_SPLIT_START_SIGIL: char = '[';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_SPLIT_CLOSE_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const VAR_SPLIT_CLOSE_SIGIL: char = ']';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_SPLIT_SEP_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const VAR_SPLIT_SEP_SIGIL: char = '|';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_SPLIT_TAG_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const VAR_SPLIT_TAG_SIGIL: char = '#';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_SPLIT_SLOT_SEP_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const VAR_SPLIT_SLOT_SEP_SIGIL: char = ',';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VAR_SPLIT_INV_SLOT_FLAG_SIGIL` is never used
[INFO] [stdout]   --> src/parser/mod.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const VAR_SPLIT_INV_SLOT_FLAG_SIGIL: char = '!';
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parsers` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Parsers;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ingredient` and `Compound` are never constructed
[INFO] [stdout]   --> src/processor/mod.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub enum Mixture {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 63 |     Ingredient(Ingredient),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 64 |     Compound(Box<Mixture>, Box<Mixture>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mixture` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Container` and `Appliance` are never constructed
[INFO] [stdout]   --> src/processor/mod.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub enum Vessel {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 69 |     Container(Container),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 70 |     Appliance(Appliance),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vessel` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operatable` is never used
[INFO] [stdout]   --> src/processor/mod.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub enum Operatable {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_operatable_stack` is never used
[INFO] [stdout]    --> src/processor/mod.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl Operatable {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 102 |     pub fn create_operatable_stack<II: IntoIterator<Item = Token>>(tokens: II) -> Vec<Operatable> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Concrete` is never used
[INFO] [stdout]    --> src/processor/mod.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub enum Concrete {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05b5ebbb1d315b37f1547f69e9dd671a76f3633b0b7478596e6a665d611df71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b5ebbb1d315b37f1547f69e9dd671a76f3633b0b7478596e6a665d611df71a", kill_on_drop: false }`
[INFO] [stdout] 05b5ebbb1d315b37f1547f69e9dd671a76f3633b0b7478596e6a665d611df71a
