[INFO] cloning repository https://github.com/madhav-madhusoodanan/prolog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madhav-madhusoodanan/prolog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadhav-madhusoodanan%2Fprolog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadhav-madhusoodanan%2Fprolog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ddf94bf94c4bfa2714068d5ae6855ef59a541cb
[INFO] testing madhav-madhusoodanan/prolog against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadhav-madhusoodanan%2Fprolog" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madhav-madhusoodanan/prolog on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/madhav-madhusoodanan/prolog
[INFO] finished tweaking git repo https://github.com/madhav-madhusoodanan/prolog
[INFO] tweaked toml for git repo https://github.com/madhav-madhusoodanan/prolog written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/madhav-madhusoodanan/prolog 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fee196b37a775bf73a7e1306ea5cebd706888a4dd0b4ab4406e9893436f26e63
[INFO] running `Command { std: "docker" "start" "-a" "fee196b37a775bf73a7e1306ea5cebd706888a4dd0b4ab4406e9893436f26e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee196b37a775bf73a7e1306ea5cebd706888a4dd0b4ab4406e9893436f26e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee196b37a775bf73a7e1306ea5cebd706888a4dd0b4ab4406e9893436f26e63", kill_on_drop: false }`
[INFO] [stdout] fee196b37a775bf73a7e1306ea5cebd706888a4dd0b4ab4406e9893436f26e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1d7c17e4ba28b8ce14f002ce9086586ea40133be9af286f48dd985705b5ab65
[INFO] running `Command { std: "docker" "start" "-a" "a1d7c17e4ba28b8ce14f002ce9086586ea40133be9af286f48dd985705b5ab65", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling prolog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for line in statements {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut result = String::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: unused variable: `tokens`
[INFO] [stdout]   --> src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Relation`, `Variable`, and `Constant` are never constructed
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Token {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 4 |     Relation(String, Vec<Box<Token>>, bool), 
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Variable(String),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     Constant(String),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent` is never used
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Token {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 9 |     fn represent(&self, level: usize) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CantRead` is never constructed
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum ParseError {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 36 |     CantRead
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Operator {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent` is never used
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Operator {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 46 |     fn represent(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Thing` is never used
[INFO] [stdout]   --> src/main.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum Thing {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent` is never used
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Thing {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 61 |     fn represent(&self, _: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Evaluator` is never constructed
[INFO] [stdout]   --> src/main.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct Evaluator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `parse`, and `query` are never used
[INFO] [stdout]   --> src/main.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Evaluator {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 72 |     fn new() -> Evaluator {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn parse(&self, code: &String) -> Result<&Vec<Thing>, ParseError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "a1d7c17e4ba28b8ce14f002ce9086586ea40133be9af286f48dd985705b5ab65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d7c17e4ba28b8ce14f002ce9086586ea40133be9af286f48dd985705b5ab65", kill_on_drop: false }`
[INFO] [stdout] a1d7c17e4ba28b8ce14f002ce9086586ea40133be9af286f48dd985705b5ab65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29526ea77b7405f87b3ab92429d3e59f17eeeeb1667ce4f3bce78967d9b445ac
[INFO] running `Command { std: "docker" "start" "-a" "29526ea77b7405f87b3ab92429d3e59f17eeeeb1667ce4f3bce78967d9b445ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling prolog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for line in statements {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut result = String::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: unused variable: `tokens`
[INFO] [stdout]   --> src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Variable` is never constructed
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Token {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 4 |     Relation(String, Vec<Box<Token>>, bool), 
[INFO] [stdout] 5 |     Variable(String),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CantRead` is never constructed
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum ParseError {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 36 |     CantRead
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `If`, `And`, and `Or` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Operator {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 40 |     If,    // lhs, rhs
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     And,   // lhs, rhs
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 42 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op` is never constructed
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum Thing {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 56 |     Op(Operator),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "29526ea77b7405f87b3ab92429d3e59f17eeeeb1667ce4f3bce78967d9b445ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29526ea77b7405f87b3ab92429d3e59f17eeeeb1667ce4f3bce78967d9b445ac", kill_on_drop: false }`
[INFO] [stdout] 29526ea77b7405f87b3ab92429d3e59f17eeeeb1667ce4f3bce78967d9b445ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c481b5781d1fbfb0ad7f9431db7b4ecbe49c2da5e1501a83d242a97c501a838
[INFO] running `Command { std: "docker" "start" "-a" "2c481b5781d1fbfb0ad7f9431db7b4ecbe49c2da5e1501a83d242a97c501a838", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lazy_static::lazy_static`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use lazy_static::lazy_static;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/main.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         for line in statements {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/main.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let mut result = String::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: unused variable: `tokens`
[INFO] [stderr]   --> src/main.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Variable` is never constructed
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Token {
[INFO] [stderr]   |      ----- variant in this enum
[INFO] [stderr] 4 |     Relation(String, Vec<Box<Token>>, bool), 
[INFO] [stderr] 5 |     Variable(String),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CantRead` is never constructed
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | enum ParseError {
[INFO] [stderr]    |      ---------- variant in this enum
[INFO] [stderr] 36 |     CantRead
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `If`, `And`, and `Or` are never constructed
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | enum Operator {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] 40 |     If,    // lhs, rhs
[INFO] [stderr]    |     ^^
[INFO] [stderr] 41 |     And,   // lhs, rhs
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 42 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Op` is never constructed
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | enum Thing {
[INFO] [stderr]    |      ----- variant in this enum
[INFO] [stderr] 56 |     Op(Operator),
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prolog` (bin "prolog" test) generated 11 warnings (run `cargo fix --bin "prolog" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prolog-b4fe004c40afe2a2)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test array ... ok
[INFO] [stdout] test parse_test_prim ... ok
[INFO] [stdout] test parse_test ... ok
[INFO] [stdout] test query ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- query stdout ----
[INFO] [stdout] thread 'query' panicked at src/main.rs:135:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ""
[INFO] [stdout]  right: "juliet"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564e00bd35dc - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x564e00bd35dc - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564e00bd35dc - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x564e00bd35dc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564e00bfd120 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x564e00bfd120 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x564e00bd0f8f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x564e00bd33c4 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x564e00bd33c4 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x564e00bd5087 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x564e00bd4d73 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x564e00ba1817 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x564e00ba1817 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x564e00bd5698 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x564e00bd5698 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x564e00bd53ee - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x564e00bd3aa6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x564e00bd5152 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x564e00b67cf5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x564e00b6801b - core::panicking::assert_failed_inner::h0bba8b7c26ee4492
[INFO] [stdout]   20:     0x564e00b6a2d2 - core::panicking::assert_failed::h800340a665b2cf86
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:279:5
[INFO] [stdout]   21:     0x564e00b6dda2 - prolog::query::h0572cd325da94582
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:135:5
[INFO] [stdout]   22:     0x564e00b6daf7 - prolog::query::{{closure}}::h8c55f2d01ad0f196
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:128:15
[INFO] [stdout]   23:     0x564e00b69176 - core::ops::function::FnOnce::call_once::hc21870815322b63d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x564e00ba6e6f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x564e00ba6e6f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x564e00ba5e85 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x564e00ba5e85 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x564e00ba5e85 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x564e00ba5e85 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x564e00ba5e85 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x564e00ba5e85 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x564e00ba5e85 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x564e00b6e146 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x564e00b6e146 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x564e00b731f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x564e00b731f7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x564e00b731f7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x564e00b731f7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x564e00b731f7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x564e00b731f7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x564e00b731f7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x564e00bda125 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x564e00bda125 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x564e00bda125 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f048a682ac3 - <unknown>
[INFO] [stdout]   46:     0x7f048a713bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     query
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin prolog`
[INFO] running `Command { std: "docker" "inspect" "2c481b5781d1fbfb0ad7f9431db7b4ecbe49c2da5e1501a83d242a97c501a838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c481b5781d1fbfb0ad7f9431db7b4ecbe49c2da5e1501a83d242a97c501a838", kill_on_drop: false }`
[INFO] [stdout] 2c481b5781d1fbfb0ad7f9431db7b4ecbe49c2da5e1501a83d242a97c501a838
[INFO] testing madhav-madhusoodanan/prolog against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadhav-madhusoodanan%2Fprolog" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madhav-madhusoodanan/prolog on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/madhav-madhusoodanan/prolog
[INFO] finished tweaking git repo https://github.com/madhav-madhusoodanan/prolog
[INFO] tweaked toml for git repo https://github.com/madhav-madhusoodanan/prolog written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/madhav-madhusoodanan/prolog 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5022817d42612565c9247b2f31076a87234c84f950c3fdaf5ea1fcb63c2e312c
[INFO] running `Command { std: "docker" "start" "-a" "5022817d42612565c9247b2f31076a87234c84f950c3fdaf5ea1fcb63c2e312c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5022817d42612565c9247b2f31076a87234c84f950c3fdaf5ea1fcb63c2e312c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5022817d42612565c9247b2f31076a87234c84f950c3fdaf5ea1fcb63c2e312c", kill_on_drop: false }`
[INFO] [stdout] 5022817d42612565c9247b2f31076a87234c84f950c3fdaf5ea1fcb63c2e312c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de49818d3d07150680034f2a2f58f823dc5d71ed9a7034a3069f342d57c35bb7
[INFO] running `Command { std: "docker" "start" "-a" "de49818d3d07150680034f2a2f58f823dc5d71ed9a7034a3069f342d57c35bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling prolog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for line in statements {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut result = String::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: unused variable: `tokens`
[INFO] [stdout]   --> src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Relation`, `Variable`, and `Constant` are never constructed
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Token {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 4 |     Relation(String, Vec<Box<Token>>, bool), 
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     Variable(String),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     Constant(String),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent` is never used
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Token {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 9 |     fn represent(&self, level: usize) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CantRead` is never constructed
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum ParseError {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 36 |     CantRead
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Operator {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent` is never used
[INFO] [stdout]   --> src/main.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl Operator {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 46 |     fn represent(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Thing` is never used
[INFO] [stdout]   --> src/main.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum Thing {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `represent` is never used
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Thing {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 61 |     fn represent(&self, _: usize) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Evaluator` is never constructed
[INFO] [stdout]   --> src/main.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct Evaluator {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `parse`, and `query` are never used
[INFO] [stdout]   --> src/main.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Evaluator {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 72 |     fn new() -> Evaluator {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn parse(&self, code: &String) -> Result<&Vec<Thing>, ParseError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "de49818d3d07150680034f2a2f58f823dc5d71ed9a7034a3069f342d57c35bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de49818d3d07150680034f2a2f58f823dc5d71ed9a7034a3069f342d57c35bb7", kill_on_drop: false }`
[INFO] [stdout] de49818d3d07150680034f2a2f58f823dc5d71ed9a7034a3069f342d57c35bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4973ad6804f689eac414232a88e6fb44f529ab77f65ec3a75d5dd7ef1ccf956
[INFO] running `Command { std: "docker" "start" "-a" "a4973ad6804f689eac414232a88e6fb44f529ab77f65ec3a75d5dd7ef1ccf956", kill_on_drop: false }`
[INFO] [stderr]    Compiling prolog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lazy_static::lazy_static;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/main.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for line in statements {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/main.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let mut result = String::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: unused variable: `tokens`
[INFO] [stdout]   --> src/main.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Variable` is never constructed
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Token {
[INFO] [stdout]   |      ----- variant in this enum
[INFO] [stdout] 4 |     Relation(String, Vec<Box<Token>>, bool), 
[INFO] [stdout] 5 |     Variable(String),
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CantRead` is never constructed
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum ParseError {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 36 |     CantRead
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `If`, `And`, and `Or` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Operator {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 40 |     If,    // lhs, rhs
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     And,   // lhs, rhs
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 42 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Op` is never constructed
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum Thing {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 56 |     Op(Operator),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a4973ad6804f689eac414232a88e6fb44f529ab77f65ec3a75d5dd7ef1ccf956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4973ad6804f689eac414232a88e6fb44f529ab77f65ec3a75d5dd7ef1ccf956", kill_on_drop: false }`
[INFO] [stdout] a4973ad6804f689eac414232a88e6fb44f529ab77f65ec3a75d5dd7ef1ccf956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf3a88e564f03288196249698419a843012002ab5da31a61c1feebc7782e4d05
[INFO] running `Command { std: "docker" "start" "-a" "bf3a88e564f03288196249698419a843012002ab5da31a61c1feebc7782e4d05", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lazy_static::lazy_static`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use lazy_static::lazy_static;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/main.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         for line in statements {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/main.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn query(&self, code: &String) -> Result<String, ParseError> {
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let mut result = String::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: unused variable: `tokens`
[INFO] [stderr]   --> src/main.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut tokens: Vec<Token> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Variable` is never constructed
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Token {
[INFO] [stderr]   |      ----- variant in this enum
[INFO] [stderr] 4 |     Relation(String, Vec<Box<Token>>, bool), 
[INFO] [stderr] 5 |     Variable(String),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CantRead` is never constructed
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | enum ParseError {
[INFO] [stderr]    |      ---------- variant in this enum
[INFO] [stderr] 36 |     CantRead
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `If`, `And`, and `Or` are never constructed
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | enum Operator {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] 40 |     If,    // lhs, rhs
[INFO] [stderr]    |     ^^
[INFO] [stderr] 41 |     And,   // lhs, rhs
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 42 |     Or,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Op` is never constructed
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | enum Thing {
[INFO] [stderr]    |      ----- variant in this enum
[INFO] [stderr] 56 |     Op(Operator),
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prolog` (bin "prolog" test) generated 11 warnings (run `cargo fix --bin "prolog" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prolog-1336fe79c0a80af1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test array ... ok
[INFO] [stdout] test parse_test ... ok
[INFO] [stdout] test parse_test_prim ... ok
[INFO] [stdout] test query ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- query stdout ----
[INFO] [stdout] thread 'query' panicked at src/main.rs:135:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ""
[INFO] [stdout]  right: "juliet"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x559eadf73b46 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x559eadf73b46 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x559eadf73b46 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x559eadf73b46 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x559eadf9c990 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x559eadf9c990 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x559eadf715af - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x559eadf73924 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x559eadf73924 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x559eadf75697 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x559eadf7537d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x559eadf3f847 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x559eadf3f847 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x559eadf75cb6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x559eadf75cb6 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x559eadf75a02 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x559eadf74046 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x559eadf75760 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x559eadf04cd5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x559eadf0501b - core::panicking::assert_failed_inner::h9f13e27dd63c3a08
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x559eadf072f2 - core::panicking::assert_failed::h3dd2df06d2930e8b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x559eadf0ae28 - prolog::query::h62d651aa09252724
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:135:5
[INFO] [stdout]   22:     0x559eadf0ab77 - prolog::query::{{closure}}::h53550f2aa135d8e7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:128:15
[INFO] [stdout]   23:     0x559eadf061d6 - core::ops::function::FnOnce::call_once::h978cc80eba4f53d5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x559eadf4511f - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x559eadf4511f - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x559eadf43ea1 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x559eadf43ea1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x559eadf43ea1 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x559eadf43ea1 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x559eadf43ea1 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x559eadf43ea1 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x559eadf43ea1 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x559eadf0b1d6 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x559eadf0b1d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x559eadf10237 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x559eadf10237 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x559eadf10237 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x559eadf10237 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x559eadf10237 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x559eadf10237 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x559eadf10237 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x559eadf7a765 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x559eadf7a765 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x559eadf7a765 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7ffacc06cac3 - <unknown>
[INFO] [stdout]   46:     0x7ffacc0fdbf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     query
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin prolog`
[INFO] running `Command { std: "docker" "inspect" "bf3a88e564f03288196249698419a843012002ab5da31a61c1feebc7782e4d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3a88e564f03288196249698419a843012002ab5da31a61c1feebc7782e4d05", kill_on_drop: false }`
[INFO] [stdout] bf3a88e564f03288196249698419a843012002ab5da31a61c1feebc7782e4d05
