[INFO] cloning repository https://github.com/Lenqth/rs-jong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lenqth/rs-jong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenqth%2Frs-jong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenqth%2Frs-jong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da1628a0f80b857f8a1d734a899e6cdb85b63c22
[INFO] testing Lenqth/rs-jong against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenqth%2Frs-jong" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lenqth/rs-jong on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lenqth/rs-jong
[INFO] finished tweaking git repo https://github.com/Lenqth/rs-jong
[INFO] tweaked toml for git repo https://github.com/Lenqth/rs-jong written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/Lenqth/rs-jong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c0e3d788ff1ee4d9cb298fd2ac5856c912c17dae8e9fb8e10a51c74f64ad3fb
[INFO] running `Command { std: "docker" "start" "-a" "7c0e3d788ff1ee4d9cb298fd2ac5856c912c17dae8e9fb8e10a51c74f64ad3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c0e3d788ff1ee4d9cb298fd2ac5856c912c17dae8e9fb8e10a51c74f64ad3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0e3d788ff1ee4d9cb298fd2ac5856c912c17dae8e9fb8e10a51c74f64ad3fb", kill_on_drop: false }`
[INFO] [stdout] 7c0e3d788ff1ee4d9cb298fd2ac5856c912c17dae8e9fb8e10a51c74f64ad3fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2826818c56af1a235e5855f2b4f8011a4df0df4326e2cd52c1fec6898c1a7b1
[INFO] running `Command { std: "docker" "start" "-a" "b2826818c56af1a235e5855f2b4f8011a4df0df4326e2cd52c1fec6898c1a7b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling rs-jong v0.1.0 (/opt/rustwide/workdir/rs-jong)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> rs-jong/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> rs-jong/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ORIGINAL`, `YakuEntry`, `YakuRules`
[INFO] [stdout]  --> rs-jong/src/yaku.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::yaku_rules::{Yaku, YakuEntry, YakuPos, YakuRules, ORIGINAL};
[INFO] [stdout]   |                               ^^^^^^^^^           ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> rs-jong/src/yaku.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]    --> rs-jong/src/yaku.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> rs-jong/src/structs.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]    --> rs-jong/src/structs.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> rs-jong/src/agari.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]  --> rs-jong/src/agari.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::sweep_isolated`
[INFO] [stdout]  --> rs-jong/src/agari.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::util::sweep_isolated;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> rs-jong/src/algos/topological_sort.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::algo`
[INFO] [stdout]   --> rs-jong/src/algos/topological_sort.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use petgraph::algo;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `petgraph::dot::Dot`
[INFO] [stdout]   --> rs-jong/src/algos/topological_sort.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use petgraph::dot::Dot;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> rs-jong/src/algos/topological_sort.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> rs-jong/src/algos/topological_sort.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-jong` due to 2 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b2826818c56af1a235e5855f2b4f8011a4df0df4326e2cd52c1fec6898c1a7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2826818c56af1a235e5855f2b4f8011a4df0df4326e2cd52c1fec6898c1a7b1", kill_on_drop: false }`
[INFO] [stdout] b2826818c56af1a235e5855f2b4f8011a4df0df4326e2cd52c1fec6898c1a7b1