[INFO] cloning repository https://github.com/CoderEx24/logician
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CoderEx24/logician" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderEx24%2Flogician", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderEx24%2Flogician'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f03924b7c3f56ff220309407f9fcd14af351181
[INFO] checking CoderEx24/logician/1f03924b7c3f56ff220309407f9fcd14af351181 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCoderEx24%2Flogician" "/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/CoderEx24/logician on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CoderEx24/logician
[INFO] finished tweaking git repo https://github.com/CoderEx24/logician
[INFO] tweaked toml for git repo https://github.com/CoderEx24/logician written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CoderEx24/logician 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e6a69b1caf3e5d77dedcb8cc602ca3e4cf5cfc9151c5faa6d919d0d594767c
[INFO] running `Command { std: "docker" "start" "-a" "a6e6a69b1caf3e5d77dedcb8cc602ca3e4cf5cfc9151c5faa6d919d0d594767c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e6a69b1caf3e5d77dedcb8cc602ca3e4cf5cfc9151c5faa6d919d0d594767c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e6a69b1caf3e5d77dedcb8cc602ca3e4cf5cfc9151c5faa6d919d0d594767c", kill_on_drop: false }`
[INFO] [stdout] a6e6a69b1caf3e5d77dedcb8cc602ca3e4cf5cfc9151c5faa6d919d0d594767c
[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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a86deeb693e5300cda572d8b18ca3005f8b8de65358a5ce38b7f61ad95768b
[INFO] running `Command { std: "docker" "start" "-a" "61a86deeb693e5300cda572d8b18ca3005f8b8de65358a5ce38b7f61ad95768b", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking logician v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::proposition::Proposition`
[INFO] [stdout]  --> src/propositional_logic/argument.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::proposition::Proposition;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proposition::*`
[INFO] [stdout]  --> src/propositional_logic/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use proposition::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compound_proposition::*`
[INFO] [stdout]  --> src/propositional_logic/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use compound_proposition::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `XOR` is never constructed
[INFO] [stdout]  --> src/propositional_logic/compound_proposition.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Operation {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     XOR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `negated` is never used
[INFO] [stdout]   --> src/propositional_logic/proposition.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Proposition {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn negated(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `propositional_variables` is never used
[INFO] [stdout]    --> src/propositional_logic/argument.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Argument {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |     pub fn propositional_variables(&self) -> &HashMap<String, String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::proposition::Proposition`
[INFO] [stdout]  --> src/propositional_logic/argument.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::proposition::Proposition;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proposition::*`
[INFO] [stdout]  --> src/propositional_logic/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use proposition::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compound_proposition::*`
[INFO] [stdout]  --> src/propositional_logic/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use compound_proposition::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         io::stdin().read_line(&mut line);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let _ = io::stdin().read_line(&mut line);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `XOR` is never constructed
[INFO] [stdout]  --> src/propositional_logic/compound_proposition.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Operation {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     XOR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Operation` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `negated` is never used
[INFO] [stdout]   --> src/propositional_logic/proposition.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Proposition {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn negated(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `propositional_variables` is never used
[INFO] [stdout]    --> src/propositional_logic/argument.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Argument {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |     pub fn propositional_variables(&self) -> &HashMap<String, String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         io::stdin().read_line(&mut line);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let _ = io::stdin().read_line(&mut line);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "61a86deeb693e5300cda572d8b18ca3005f8b8de65358a5ce38b7f61ad95768b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a86deeb693e5300cda572d8b18ca3005f8b8de65358a5ce38b7f61ad95768b", kill_on_drop: false }`
[INFO] [stdout] 61a86deeb693e5300cda572d8b18ca3005f8b8de65358a5ce38b7f61ad95768b