[INFO] cloning repository https://github.com/mantal/expert_system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mantal/expert_system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantal%2Fexpert_system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantal%2Fexpert_system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 873622fa400d5bd721e592f22561e98860f69536
[INFO] testing mantal/expert_system against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantal%2Fexpert_system" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mantal/expert_system on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mantal/expert_system
[INFO] finished tweaking git repo https://github.com/mantal/expert_system
[INFO] tweaked toml for git repo https://github.com/mantal/expert_system written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mantal/expert_system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9d46353b89c33132e451a940c501734b001116452152b3fb93674c6d922da48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d9d46353b89c33132e451a940c501734b001116452152b3fb93674c6d922da48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9d46353b89c33132e451a940c501734b001116452152b3fb93674c6d922da48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d46353b89c33132e451a940c501734b001116452152b3fb93674c6d922da48", kill_on_drop: false }`
[INFO] [stdout] d9d46353b89c33132e451a940c501734b001116452152b3fb93674c6d922da48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9ae80dd1b8eef451d386a78c3c438ca95adfa3a97296772a3785be2b2618f05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9ae80dd1b8eef451d386a78c3c438ca95adfa3a97296772a3785be2b2618f05", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling expert_system v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rule`
[INFO] [stdout]  --> src/tests/eval.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rule;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rule::Rule`
[INFO] [stdout]  --> src/tests/eval.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rule::Rule;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Token`
[INFO] [stdout]  --> src/tests/eval.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Operators`
[INFO] [stdout]  --> src/tests/eval.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use token::Operators;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Operators::Value`
[INFO] [stdout]  --> src/tests/eval.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use token::Operators::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Operators`
[INFO] [stdout]  --> src/tests/rules.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use token::Operators;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Operators::Value`
[INFO] [stdout]  --> src/tests/rules.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use token::Operators::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rule::Rule`
[INFO] [stdout]  --> src/tests/rules.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rule::Rule;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]  --> src/tests/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser`
[INFO] [stdout]  --> src/tests/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parser;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token`
[INFO] [stdout]  --> src/tests/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use token;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Token`
[INFO] [stdout]  --> src/tests/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Operators`
[INFO] [stdout]  --> src/tests/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use token::Operators;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rule`
[INFO] [stdout]  --> src/tests/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rule;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rule::Rule`
[INFO] [stdout]  --> src/tests/parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rule::Rule;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bracket_open` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Bracket_open,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BracketOpen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bracket_close` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Bracket_close,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BracketClose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `implies` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         implies,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Implies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `if_and_only_if` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if_and_only_if
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IfAndOnlyIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{self, Read, Write};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:54:58
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Err(e) => panic!("Could not read stdin: {}", Error::description(&e)),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:29:72
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => panic!("Could not open {}: {}", real_path.display(), Error::description(&e)),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:35:72
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Err(e) => panic!("Could not read {}: {}", real_path.display(), Error::description(&e)),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 Operators::Type::Operand{ref name} => (),
[INFO] [stdout]     |                                          ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:135:42
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 Operators::Type::Operand{ref name} => (),
[INFO] [stdout]     |                                          ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:147:46
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     Operators::Type::Operand{ref name} => (),
[INFO] [stdout]     |                                              ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "a9ae80dd1b8eef451d386a78c3c438ca95adfa3a97296772a3785be2b2618f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ae80dd1b8eef451d386a78c3c438ca95adfa3a97296772a3785be2b2618f05", kill_on_drop: false }`
[INFO] [stdout] a9ae80dd1b8eef451d386a78c3c438ca95adfa3a97296772a3785be2b2618f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6156b737b42e6b380abfe8d431c6a100b24f8d21e7e2727a01b47b24eb92a4cc
[INFO] running `Command { std: "docker" "start" "-a" "6156b737b42e6b380abfe8d431c6a100b24f8d21e7e2727a01b47b24eb92a4cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling expert_system v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]  --> src/tests/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Operators`
[INFO] [stdout]  --> src/tests/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use token::Operators;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rule`
[INFO] [stdout]  --> src/tests/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rule;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bracket_open` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Bracket_open,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BracketOpen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bracket_close` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Bracket_close,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BracketClose`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `implies` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         implies,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Implies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `if_and_only_if` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if_and_only_if
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IfAndOnlyIf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::{self, Read, Write};
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:54:58
[INFO] [stdout]    |
[INFO] [stdout] 54 |             Err(e) => panic!("Could not read stdin: {}", Error::description(&e)),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:29:72
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Err(e) => panic!("Could not open {}: {}", real_path.display(), Error::description(&e)),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser.rs:35:72
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Err(e) => panic!("Could not read {}: {}", real_path.display(), Error::description(&e)),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/tests/parser.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let file = parser::get_file("src/tests/in/404".to_string());
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rules`
[INFO] [stdout]   --> src/tests/parser.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut rules: Vec<Rule> = Vec::new();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 Operators::Type::Operand{ref name} => (),
[INFO] [stdout]     |                                          ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:135:42
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 Operators::Type::Operand{ref name} => (),
[INFO] [stdout]     |                                          ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/parser.rs:147:46
[INFO] [stdout]     |
[INFO] [stdout] 147 |                     Operators::Type::Operand{ref name} => (),
[INFO] [stdout]     |                                              ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests/parser.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut rules: Vec<Rule> = Vec::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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "6156b737b42e6b380abfe8d431c6a100b24f8d21e7e2727a01b47b24eb92a4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6156b737b42e6b380abfe8d431c6a100b24f8d21e7e2727a01b47b24eb92a4cc", kill_on_drop: false }`
[INFO] [stdout] 6156b737b42e6b380abfe8d431c6a100b24f8d21e7e2727a01b47b24eb92a4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80193cbcd57c5ff629d8a013856843ecfa984c130583db5c3191e058e99cbcd9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80193cbcd57c5ff629d8a013856843ecfa984c130583db5c3191e058e99cbcd9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `super::super::*`
[INFO] [stdout] running 24 tests
[INFO] [stderr]  --> src/tests/parser.rs:1:5
[INFO] [stdout] test tests::eval::nand ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::eval::variable ... ok
[INFO] [stderr] 1 | use super::super::*;
[INFO] [stdout] test tests::parser::facts ... ok
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] test tests::parser::facts_empty ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::eval::and ... ok
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test tests::parser::query ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::parser::rule ... ok
[INFO] [stderr] warning: unused import: `token::Operators`
[INFO] [stdout] test tests::parser::to_rule ... ok
[INFO] [stderr]  --> src/tests/parser.rs:5:5
[INFO] [stdout] test tests::eval::negate ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::eval::xnor ... ok
[INFO] [stderr] 5 | use token::Operators;
[INFO] [stdout] test tests::eval::nor ... ok
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] test tests::eval::xor ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::parser::get_file ... ok
[INFO] [stderr] warning: unused import: `rule`
[INFO] [stdout] test tests::eval::brackets ... ok
[INFO] [stderr]  --> src/tests/parser.rs:6:5
[INFO] [stdout] test tests::eval::or ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::rules::query ... ok
[INFO] [stderr] 6 | use rule;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Bracket_open` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         Bracket_open,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BracketOpen`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Bracket_close` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Bracket_close,
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BracketClose`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `implies` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         implies,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Implies`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `if_and_only_if` should have an upper camel case name
[INFO] [stderr]   --> src/token.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         if_and_only_if
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `IfAndOnlyIf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::{self, Read, Write};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:54:58
[INFO] [stderr]    |
[INFO] [stderr] 54 |             Err(e) => panic!("Could not read stdin: {}", Error::description(&e)),
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:29:72
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Err(e) => panic!("Could not open {}: {}", real_path.display(), Error::description(&e)),
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parser.rs:35:72
[INFO] [stderr]    |
[INFO] [stderr] 35 |         Err(e) => panic!("Could not read {}: {}", real_path.display(), Error::description(&e)),
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/tests/parser.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let file = parser::get_file("src/tests/in/404".to_string());
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]   --> src/tests/parser.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut rules: Vec<Rule> = Vec::new();
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/parser.rs:124:42
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 Operators::Type::Operand{ref name} => (),
[INFO] [stderr]     |                                          ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/parser.rs:135:42
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 Operators::Type::Operand{ref name} => (),
[INFO] [stderr]     |                                          ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/parser.rs:147:46
[INFO] [stderr]     |
[INFO] [stderr] 147 |                     Operators::Type::Operand{ref name} => (),
[INFO] [stderr]     |                                              ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tests/parser.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut rules: Vec<Rule> = Vec::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/expert_system-8a276038b33a5249)
[INFO] [stdout] test tests::parser::query_empty ... ok
[INFO] [stdout] test tests::parser::get_file_error - should panic ... ok
[INFO] [stdout] test tests::parser::to_rule_no_operand - should panic ... ok
[INFO] [stdout] test tests::parser::to_rule_no_no_right_side - should panic ... ok
[INFO] [stdout] test tests::rules::query_inconsistent - should panic ... ok
[INFO] [stdout] test tests::parser::facts_syntax - should panic ... ok
[INFO] [stdout] test tests::parser::query_syntax - should panic ... ok
[INFO] [stdout] test tests::rules::query_infinite_recursion - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80193cbcd57c5ff629d8a013856843ecfa984c130583db5c3191e058e99cbcd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80193cbcd57c5ff629d8a013856843ecfa984c130583db5c3191e058e99cbcd9", kill_on_drop: false }`
[INFO] [stdout] 80193cbcd57c5ff629d8a013856843ecfa984c130583db5c3191e058e99cbcd9
