[INFO] cloning repository https://github.com/tawashichan/prop-lk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tawashichan/prop-lk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fprop-lk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fprop-lk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad6d0bc261f8f3d7bf82549bf883a4068a694a89
[INFO] checking tawashichan/prop-lk against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fprop-lk" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tawashichan/prop-lk
[INFO] finished tweaking git repo https://github.com/tawashichan/prop-lk
[INFO] tweaked toml for git repo https://github.com/tawashichan/prop-lk written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tawashichan/prop-lk on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tawashichan/prop-lk 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22b54dbfb2e13fc752a498f76087da4d8499ceed06ed90603f2dff680d3da14c
[INFO] running `Command { std: "docker" "start" "-a" "22b54dbfb2e13fc752a498f76087da4d8499ceed06ed90603f2dff680d3da14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22b54dbfb2e13fc752a498f76087da4d8499ceed06ed90603f2dff680d3da14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b54dbfb2e13fc752a498f76087da4d8499ceed06ed90603f2dff680d3da14c", kill_on_drop: false }`
[INFO] [stdout] 22b54dbfb2e13fc752a498f76087da4d8499ceed06ed90603f2dff680d3da14c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c0d5fafa5fe68a418e930f45c41bc2f4fa281c59e6273c161b1abb924020ae
[INFO] running `Command { std: "docker" "start" "-a" "e5c0d5fafa5fe68a418e930f45c41bc2f4fa281c59e6273c161b1abb924020ae", kill_on_drop: false }`
[INFO] [stderr]     Checking prop-logic-checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Formula`
[INFO] [stdout]  --> src/parser.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::logic::{Formula,Sequent};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Formula`
[INFO] [stdout]  --> src/parser.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::logic::{Formula,Sequent};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/parser.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn parse_tokens(tokens: &[Token]) -> Vec<Sequent> {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sequent` is never constructed
[INFO] [stdout]  --> src/logic.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Sequent(Vec<Formula>, Vec<Formula>);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Formula` is never used
[INFO] [stdout]  --> src/logic.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Formula {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rule` is never used
[INFO] [stdout]   --> src/logic.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Rule {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProofTree` is never used
[INFO] [stdout]   --> src/logic.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum ProofTree {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_reachable` is never used
[INFO] [stdout]   --> src/logic.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Sequent {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 29 |     fn is_reachable(&self, rule: &Rule, another: &Sequent) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]   --> src/logic.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl ProofTree {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 52 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/parser.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Token {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/parser.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn parse(chars: &[char]) -> Vec<Token> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_tokens` is never used
[INFO] [stdout]   --> src/parser.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn parse_tokens(tokens: &[Token]) -> Vec<Sequent> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/parser.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn parse_tokens(tokens: &[Token]) -> Vec<Sequent> {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `And` is never constructed
[INFO] [stdout]  --> src/logic.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Formula {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] 8 |     Atom(&'static str), //原始式
[INFO] [stdout] 9 |     And(Box<Formula>, Box<Formula>),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Formula` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/parser.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Token {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/parser.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn parse(chars: &[char]) -> Vec<Token> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_tokens` is never used
[INFO] [stdout]   --> src/parser.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn parse_tokens(tokens: &[Token]) -> Vec<Sequent> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "e5c0d5fafa5fe68a418e930f45c41bc2f4fa281c59e6273c161b1abb924020ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c0d5fafa5fe68a418e930f45c41bc2f4fa281c59e6273c161b1abb924020ae", kill_on_drop: false }`
[INFO] [stdout] e5c0d5fafa5fe68a418e930f45c41bc2f4fa281c59e6273c161b1abb924020ae
