[INFO] cloning repository https://github.com/noctuelles/ready_set_boole
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noctuelles/ready_set_boole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoctuelles%2Fready_set_boole", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoctuelles%2Fready_set_boole'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d056f3b242a52728977347e2264779718de37a6
[INFO] building noctuelles/ready_set_boole against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoctuelles%2Fready_set_boole" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/noctuelles/ready_set_boole
[INFO] finished tweaking git repo https://github.com/noctuelles/ready_set_boole
[INFO] tweaked toml for git repo https://github.com/noctuelles/ready_set_boole written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noctuelles/ready_set_boole on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/noctuelles/ready_set_boole 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e598afad1f9535afc1337eb502121e61a8024d2a7f3137accd4f3cc4b6631790
[INFO] running `Command { std: "docker" "start" "-a" "e598afad1f9535afc1337eb502121e61a8024d2a7f3137accd4f3cc4b6631790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e598afad1f9535afc1337eb502121e61a8024d2a7f3137accd4f3cc4b6631790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e598afad1f9535afc1337eb502121e61a8024d2a7f3137accd4f3cc4b6631790", kill_on_drop: false }`
[INFO] [stdout] e598afad1f9535afc1337eb502121e61a8024d2a7f3137accd4f3cc4b6631790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c03cfca654c268f3130e5700c45bccea7ea8782efcdc7ca0c54a3c31e7d79336
[INFO] running `Command { std: "docker" "start" "-a" "c03cfca654c268f3130e5700c45bccea7ea8782efcdc7ca0c54a3c31e7d79336", kill_on_drop: false }`
[INFO] [stderr]    Compiling ready_set_bool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/bool_eval/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adder` is never used
[INFO] [stdout]   --> src/adder.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn adder(a: u32, b: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BTreeNode` is never constructed
[INFO] [stdout]   --> src/binary_tree/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BTreeNode<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operand` is never used
[INFO] [stdout]   --> src/bool_eval/ast.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Operand {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> src/bool_eval/ast.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Operator {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BoolEvalNodeValue` is never used
[INFO] [stdout]   --> src/bool_eval/ast.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum BoolEvalNodeValue {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoolEvalNode` is never used
[INFO] [stdout]   --> src/bool_eval/ast.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | type BoolEvalNode = BTreeNode<BoolEvalNodeValue>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoolEvalVars` is never used
[INFO] [stdout]   --> src/bool_eval/ast.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | type BoolEvalVars = BTreeMap<char, Rc<Cell<bool>>>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ASTBoolEval` is never constructed
[INFO] [stdout]   --> src/bool_eval/ast.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct ASTBoolEval {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_rpn_repr`, `get_infix_repr`, `conjonctive_normal_form`, `print_truth_table`, and `eval` are never used
[INFO] [stdout]    --> src/bool_eval/ast.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl ASTBoolEval {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 120 |     pub fn new(root: BoolEvalNode, variables: BTreeMap<char, Rc<Cell<bool>>>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn get_rpn_repr(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub fn get_infix_repr(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn conjonctive_normal_form() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     pub fn print_truth_table(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn eval(&self) -> bool {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `eval`, `get_rpn_repr`, and `get_infix_repr` are never used
[INFO] [stdout]    --> src/bool_eval/ast.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 173 | impl BoolEvalNode {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] 174 |     /// Evaluate the compound proposition from the current node.
[INFO] [stdout] 175 |     pub fn eval(&self) -> bool {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn get_rpn_repr(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     pub fn get_infix_repr(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]   --> src/bool_eval/lexer.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum Token {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `c_to_tkn` is never used
[INFO] [stdout]   --> src/bool_eval/lexer.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn c_to_tkn(c: char) -> Option<Token> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lex_rpn` is never used
[INFO] [stdout]   --> src/bool_eval/lexer.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn lex_rpn(rpn_formula: &str) -> Result<Vec<Token>, String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_formula` is never used
[INFO] [stdout]   --> src/eval_formula.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn eval_formula(formula: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gray_code` is never used
[INFO] [stdout]   --> src/gray_code.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn gray_code(n: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiplier` is never used
[INFO] [stdout]   --> src/multiplier.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn multiplier(a: u32, b: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_truth_table` is never used
[INFO] [stdout]   --> src/truth_table.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn print_truth_table(formula: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c03cfca654c268f3130e5700c45bccea7ea8782efcdc7ca0c54a3c31e7d79336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03cfca654c268f3130e5700c45bccea7ea8782efcdc7ca0c54a3c31e7d79336", kill_on_drop: false }`
[INFO] [stdout] c03cfca654c268f3130e5700c45bccea7ea8782efcdc7ca0c54a3c31e7d79336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be9a6d14dd1a605bb8241b783ca14b38757a796310e490644e1bc281d1ef94b9
[INFO] running `Command { std: "docker" "start" "-a" "be9a6d14dd1a605bb8241b783ca14b38757a796310e490644e1bc281d1ef94b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ready_set_bool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]   --> src/bool_eval/ast.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::fmt::format;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `conjonctive_normal_form` is never used
[INFO] [stdout]    --> src/bool_eval/ast.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl ASTBoolEval {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn conjonctive_normal_form() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "be9a6d14dd1a605bb8241b783ca14b38757a796310e490644e1bc281d1ef94b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9a6d14dd1a605bb8241b783ca14b38757a796310e490644e1bc281d1ef94b9", kill_on_drop: false }`
[INFO] [stdout] be9a6d14dd1a605bb8241b783ca14b38757a796310e490644e1bc281d1ef94b9