[INFO] cloning repository https://github.com/zaclummys/satisfability-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaclummys/satisfability-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaclummys%2Fsatisfability-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaclummys%2Fsatisfability-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f23b4e43397f643905f5ece75634abcbb5e24e28
[INFO] checking zaclummys/satisfability-problem against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaclummys%2Fsatisfability-problem" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaclummys/satisfability-problem on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zaclummys/satisfability-problem
[INFO] finished tweaking git repo https://github.com/zaclummys/satisfability-problem
[INFO] tweaked toml for git repo https://github.com/zaclummys/satisfability-problem written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zaclummys/satisfability-problem 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d54999dc85d5ee109df419e49b08f5713fbffcdeab9d4d0f9a162382d86265b9
[INFO] running `Command { std: "docker" "start" "-a" "d54999dc85d5ee109df419e49b08f5713fbffcdeab9d4d0f9a162382d86265b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d54999dc85d5ee109df419e49b08f5713fbffcdeab9d4d0f9a162382d86265b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54999dc85d5ee109df419e49b08f5713fbffcdeab9d4d0f9a162382d86265b9", kill_on_drop: false }`
[INFO] [stdout] d54999dc85d5ee109df419e49b08f5713fbffcdeab9d4d0f9a162382d86265b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac9b7de8e941aa16b2c4867d59c9ab9a95f31578bd88615a36df2714c24ce1d8
[INFO] running `Command { std: "docker" "start" "-a" "ac9b7de8e941aa16b2c4867d59c9ab9a95f31578bd88615a36df2714c24ce1d8", kill_on_drop: false }`
[INFO] [stderr]     Checking satisfability-problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LexerError`, `LexerResult`, and `Token`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Token,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Lexer,
[INFO] [stdout] 6 |     LexerError,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     LexerResult,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::expression::Expression`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::expression::Expression;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LexerError`, `LexerResult`, and `Token`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Token,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Lexer,
[INFO] [stdout] 6 |     LexerError,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     LexerResult,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::expression::Expression`
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::expression::Expression;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Xor` is never constructed
[INFO] [stdout]  --> src/expression.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Expression {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Xor (Box<Expression>, Box<Expression>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Expression` has derived impls for the traits `Clone` and `Debug`, 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 `apply` is never used
[INFO] [stdout]    --> src/expression.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Expression {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn apply (self) -> Expression {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Parser<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parser.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new (lexer: Lexer<'a>) -> Parser<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `End` is never constructed
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lexer.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<'a> Lexer<'a> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 26 |     pub fn new (string: &'a str) -> Lexer<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Token {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 3 |     Var(char),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 4 |     And,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     Or,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     Not,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     LParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     RParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     End,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Xor` is never constructed
[INFO] [stdout]  --> src/expression.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Expression {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Xor (Box<Expression>, Box<Expression>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Expression` has derived impls for the traits `Clone` and `Debug`, 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 `apply` is never used
[INFO] [stdout]    --> src/expression.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 36  | impl Expression {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn apply (self) -> Expression {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Parser<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parser.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new (lexer: Lexer<'a>) -> Parser<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `End` is never constructed
[INFO] [stdout]   --> src/lexer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Token {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Token {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 3 |     Var(char),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 4 |     And,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     Or,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     Not,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     LParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     RParen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     End,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ac9b7de8e941aa16b2c4867d59c9ab9a95f31578bd88615a36df2714c24ce1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9b7de8e941aa16b2c4867d59c9ab9a95f31578bd88615a36df2714c24ce1d8", kill_on_drop: false }`
[INFO] [stdout] ac9b7de8e941aa16b2c4867d59c9ab9a95f31578bd88615a36df2714c24ce1d8