[INFO] cloning repository https://github.com/HoshinoTented/yis-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HoshinoTented/yis-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoshinoTented%2Fyis-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoshinoTented%2Fyis-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdecde31c0252bb7073e47311f79314c2b1b2797
[INFO] testing HoshinoTented/yis-rs against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoshinoTented%2Fyis-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HoshinoTented/yis-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HoshinoTented/yis-rs
[INFO] finished tweaking git repo https://github.com/HoshinoTented/yis-rs
[INFO] tweaked toml for git repo https://github.com/HoshinoTented/yis-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/HoshinoTented/yis-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f49fb838d3410c60abeffeef9c460311f1ab7ee8064d25994a1f273c001057c
[INFO] running `Command { std: "docker" "start" "-a" "6f49fb838d3410c60abeffeef9c460311f1ab7ee8064d25994a1f273c001057c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f49fb838d3410c60abeffeef9c460311f1ab7ee8064d25994a1f273c001057c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f49fb838d3410c60abeffeef9c460311f1ab7ee8064d25994a1f273c001057c", kill_on_drop: false }`
[INFO] [stdout] 6f49fb838d3410c60abeffeef9c460311f1ab7ee8064d25994a1f273c001057c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6397b62f048af6e64bfdc05290e9e96b247daf768518d9f8c1afc37874dea141
[INFO] running `Command { std: "docker" "start" "-a" "6397b62f048af6e64bfdc05290e9e96b247daf768518d9f8c1afc37874dea141", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling yis-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Environment`
[INFO] [stdout]  --> src/interpreter/code.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::interpreter::{Executable, Environment, Interpreter, alias::*};
[INFO] [stdout]   |                                      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EOF_ERR`
[INFO] [stdout]  --> src/interpreter/code.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::error::{Result, EOF_ERR, Error, ErrorKind, CODE_ERR};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stdout]  --> src/mem.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error::{Result, ErrorKind, Error, MEMORY_ERR};
[INFO] [stdout]   |                            ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitOr`, `Shl`
[INFO] [stdout]  --> src/mem.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, Shl, Sub, BitOr, Index, IndexMut};
[INFO] [stdout]   |                     ^^^       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::array::TryFromSliceError`
[INFO] [stdout]  --> src/mem.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::array::TryFromSliceError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 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 `yis-rs` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6397b62f048af6e64bfdc05290e9e96b247daf768518d9f8c1afc37874dea141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6397b62f048af6e64bfdc05290e9e96b247daf768518d9f8c1afc37874dea141", kill_on_drop: false }`
[INFO] [stdout] 6397b62f048af6e64bfdc05290e9e96b247daf768518d9f8c1afc37874dea141
