[INFO] cloning repository https://github.com/cordx56/untypedx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cordx56/untypedx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordx56%2Funtypedx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordx56%2Funtypedx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d52583b3748658340eeb15b822f40acdab56f6e
[INFO] checking cordx56/untypedx/0d52583b3748658340eeb15b822f40acdab56f6e against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordx56%2Funtypedx" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cordx56/untypedx on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cordx56/untypedx
[INFO] finished tweaking git repo https://github.com/cordx56/untypedx
[INFO] tweaked toml for git repo https://github.com/cordx56/untypedx written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cordx56/untypedx 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.0.0
[INFO] [stderr]   Downloaded clap v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ece06c14d0dc63d349697f228852441bf360bf77eed75e6ce7085c8acce60c21
[INFO] running `Command { std: "docker" "start" "-a" "ece06c14d0dc63d349697f228852441bf360bf77eed75e6ce7085c8acce60c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ece06c14d0dc63d349697f228852441bf360bf77eed75e6ce7085c8acce60c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece06c14d0dc63d349697f228852441bf360bf77eed75e6ce7085c8acce60c21", kill_on_drop: false }`
[INFO] [stdout] ece06c14d0dc63d349697f228852441bf360bf77eed75e6ce7085c8acce60c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a654aba4d190d72bff88cd75941f951b04165292a32c7a793938a49c15aa7947
[INFO] running `Command { std: "docker" "start" "-a" "a654aba4d190d72bff88cd75941f951b04165292a32c7a793938a49c15aa7947", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0
[INFO] [stderr]     Checking clap v3.0.0
[INFO] [stderr]     Checking untypedx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `all_consuming`, `is_not`, `line_ending`, `many0`, `many1`, `multispace0`, `number::complete::double`, `space0`, and `space1`
[INFO] [stdout]   --> src/parser/cons.rs:5:42
[INFO] [stdout]    |
[INFO] [stdout] 5  |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 6  |     character::complete::{char, digit1, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]    |                                         ^^^^^^^^^^^  ^^^^^^^^^^^           ^^^^^^  ^^^^^^
[INFO] [stdout] 7  |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 8  |     error::VerboseError,
[INFO] [stdout] 9  |     multi::{many0, many1},
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout] 10 |     number::complete::double,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `none_of`, `number::complete::double`, `permutation`, `take_while_m_n`, and `value`
[INFO] [stdout]  --> src/parser/exp.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, multispace1, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^                            ^^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `alt`, `char`, `delimited`, `escaped_transform`, `line_ending`, `many0`, `many1`, `map`, `multispace0`, `none_of`, `number::complete::double`, `opt`, `permutation`, `space0`, `space1`, `tag`, `take_while_m_n`, `tuple`, and `value`
[INFO] [stdout]  --> src/parser/ident.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |              ^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^          ^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^  ^^^  ^^^^^
[INFO] [stdout] 6 |     error::{ParseError, VerboseError},
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `alt`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `many0`, `many1`, `map`, `multispace0`, `none_of`, `number::complete::double`, `opt`, `permutation`, `space0`, `space1`, `take_while_m_n`, `tuple`, and `value`
[INFO] [stdout]  --> src/parser/infix.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |              ^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^  ^^^  ^^^^^
[INFO] [stdout] 6 |     error::{ParseError, VerboseError},
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `many1`, `multispace1`, `none_of`, `number::complete::double`, `permutation`, `take_while_m_n`, and `value`
[INFO] [stdout]  --> src/parser/stmt.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, multispace1, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^               ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^            ^^^^^
[INFO] [stdout] 6 |     error::VerboseError,
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `many0`, `multispace1`, `none_of`, `number::complete::double`, `permutation`, `space1`, `take_while_m_n`, and `value`
[INFO] [stdout]  --> src/parser/ty.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, multispace1, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^               ^^^^^^^^^^^  ^^^^^^^          ^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^            ^^^^^
[INFO] [stdout] 6 |     error::VerboseError,
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `is_not`, `line_ending`, `many0`, `many1`, `multispace0`, `number::complete::double`, `space0`, and `space1`
[INFO] [stdout]   --> src/parser/cons.rs:5:42
[INFO] [stdout]    |
[INFO] [stdout] 5  |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 6  |     character::complete::{char, digit1, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]    |                                         ^^^^^^^^^^^  ^^^^^^^^^^^           ^^^^^^  ^^^^^^
[INFO] [stdout] 7  |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 8  |     error::VerboseError,
[INFO] [stdout] 9  |     multi::{many0, many1},
[INFO] [stdout]    |             ^^^^^  ^^^^^
[INFO] [stdout] 10 |     number::complete::double,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `none_of`, `number::complete::double`, `permutation`, `take_while_m_n`, and `value`
[INFO] [stdout]  --> src/parser/exp.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, multispace1, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^                            ^^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `alt`, `char`, `delimited`, `escaped_transform`, `line_ending`, `many0`, `many1`, `map`, `multispace0`, `none_of`, `number::complete::double`, `opt`, `permutation`, `space0`, `space1`, `tag`, `take_while_m_n`, `tuple`, and `value`
[INFO] [stdout]  --> src/parser/ident.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |              ^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^          ^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^  ^^^  ^^^^^
[INFO] [stdout] 6 |     error::{ParseError, VerboseError},
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `alt`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `many0`, `many1`, `map`, `multispace0`, `none_of`, `number::complete::double`, `opt`, `permutation`, `space0`, `space1`, `take_while_m_n`, `tuple`, and `value`
[INFO] [stdout]  --> src/parser/infix.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |              ^^^  ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^  ^^^  ^^^  ^^^^^
[INFO] [stdout] 6 |     error::{ParseError, VerboseError},
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `many1`, `multispace1`, `none_of`, `number::complete::double`, `permutation`, `take_while_m_n`, and `value`
[INFO] [stdout]  --> src/parser/stmt.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, multispace1, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^               ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^            ^^^^^
[INFO] [stdout] 6 |     error::VerboseError,
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `all_consuming`, `char`, `delimited`, `escaped_transform`, `is_not`, `line_ending`, `many0`, `multispace1`, `none_of`, `number::complete::double`, `permutation`, `space1`, `take_while_m_n`, and `value`
[INFO] [stdout]  --> src/parser/ty.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::{alt, permutation},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 3 |     bytes::complete::{escaped_transform, is_not, tag, take_while_m_n},
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^  ^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     character::complete::{char, line_ending, multispace0, multispace1, none_of, space0, space1},
[INFO] [stdout]   |                           ^^^^  ^^^^^^^^^^^               ^^^^^^^^^^^  ^^^^^^^          ^^^^^^
[INFO] [stdout] 5 |     combinator::{all_consuming, map, opt, value},
[INFO] [stdout]   |                  ^^^^^^^^^^^^^            ^^^^^
[INFO] [stdout] 6 |     error::VerboseError,
[INFO] [stdout] 7 |     multi::{many0, many1},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 8 |     number::complete::double,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     sequence::{delimited, tuple},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instance`
[INFO] [stdout]    --> src/infer.rs:270:31
[INFO] [stdout]     |
[INFO] [stdout] 270 |             (Type::Variable { instance, .. }, _) => {
[INFO] [stdout]     |                               ^^^^^^^^ help: try ignoring the field: `instance: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |             (Type::Bool(va), Type::Bool(vb)) => Ok(()),
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:280:41
[INFO] [stdout]     |
[INFO] [stdout] 280 |             (Type::Bool(va), Type::Bool(vb)) => Ok(()),
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:281:24
[INFO] [stdout]     |
[INFO] [stdout] 281 |             (Type::Int(va), Type::Int(vb)) => Ok(()),
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:281:39
[INFO] [stdout]     |
[INFO] [stdout] 281 |             (Type::Int(va), Type::Int(vb)) => Ok(()),
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (Type::Real(va), Type::Real(vb)) => Ok(()),
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (Type::Real(va), Type::Real(vb)) => Ok(()),
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (Type::String(va), Type::String(vb)) => Ok(()),
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:283:45
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (Type::String(va), Type::String(vb)) => Ok(()),
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instance`
[INFO] [stdout]    --> src/infer.rs:270:31
[INFO] [stdout]     |
[INFO] [stdout] 270 |             (Type::Variable { instance, .. }, _) => {
[INFO] [stdout]     |                               ^^^^^^^^ help: try ignoring the field: `instance: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:280:25
[INFO] [stdout]     |
[INFO] [stdout] 280 |             (Type::Bool(va), Type::Bool(vb)) => Ok(()),
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:280:41
[INFO] [stdout]     |
[INFO] [stdout] 280 |             (Type::Bool(va), Type::Bool(vb)) => Ok(()),
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:281:24
[INFO] [stdout]     |
[INFO] [stdout] 281 |             (Type::Int(va), Type::Int(vb)) => Ok(()),
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:281:39
[INFO] [stdout]     |
[INFO] [stdout] 281 |             (Type::Int(va), Type::Int(vb)) => Ok(()),
[INFO] [stdout]     |                                       ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (Type::Real(va), Type::Real(vb)) => Ok(()),
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:282:41
[INFO] [stdout]     |
[INFO] [stdout] 282 |             (Type::Real(va), Type::Real(vb)) => Ok(()),
[INFO] [stdout]     |                                         ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `va`
[INFO] [stdout]    --> src/infer.rs:283:27
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (Type::String(va), Type::String(vb)) => Ok(()),
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_va`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vb`
[INFO] [stdout]    --> src/infer.rs:283:45
[INFO] [stdout]     |
[INFO] [stdout] 283 |             (Type::String(va), Type::String(vb)) => Ok(()),
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_vb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infopr`
[INFO] [stdout]    --> src/infer.rs:446:32
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 Stmt::RegInfix(infopr, e) => {}
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_infopr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/infer.rs:446:40
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 Stmt::RegInfix(infopr, e) => {}
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infopr`
[INFO] [stdout]    --> src/infer.rs:446:32
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 Stmt::RegInfix(infopr, e) => {}
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_infopr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/infer.rs:446:40
[INFO] [stdout]     |
[INFO] [stdout] 446 |                 Stmt::RegInfix(infopr, e) => {}
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut buffer = String::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut i = interpreter::Interpreter::new();
[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/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut buffer = String::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut buffer = String::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rebuild_tree` is never used
[INFO] [stdout]   --> src/parser.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn rebuild_tree<Elem, Opr>(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut i = interpreter::Interpreter::new();
[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/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut buffer = String::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rebuild_tree` is never used
[INFO] [stdout]   --> src/parser.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn rebuild_tree<Elem, Opr>(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "a654aba4d190d72bff88cd75941f951b04165292a32c7a793938a49c15aa7947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a654aba4d190d72bff88cd75941f951b04165292a32c7a793938a49c15aa7947", kill_on_drop: false }`
[INFO] [stdout] a654aba4d190d72bff88cd75941f951b04165292a32c7a793938a49c15aa7947