[INFO] cloning repository https://github.com/optframe/optframe-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/optframe/optframe-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptframe%2Foptframe-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptframe%2Foptframe-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 669760625f214fcdd48769ac016190669d29c882
[INFO] testing optframe/optframe-rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptframe%2Foptframe-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/optframe/optframe-rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/optframe/optframe-rust
[INFO] finished tweaking git repo https://github.com/optframe/optframe-rust
[INFO] tweaked toml for git repo https://github.com/optframe/optframe-rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/optframe/optframe-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 703cea6a422ade33f5db91fef7c5837f7c425ab8f557ee8f109623a493a77958
[INFO] running `Command { std: "docker" "start" "-a" "703cea6a422ade33f5db91fef7c5837f7c425ab8f557ee8f109623a493a77958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "703cea6a422ade33f5db91fef7c5837f7c425ab8f557ee8f109623a493a77958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703cea6a422ade33f5db91fef7c5837f7c425ab8f557ee8f109623a493a77958", kill_on_drop: false }`
[INFO] [stdout] 703cea6a422ade33f5db91fef7c5837f7c425ab8f557ee8f109623a493a77958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a131ced716423c82a07abbe91fa0283c78a3066b970af2c3e7a8dc7910c8ad9
[INFO] running `Command { std: "docker" "start" "-a" "1a131ced716423c82a07abbe91fa0283c78a3066b970af2c3e7a8dc7910c8ad9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling optframe 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generators, generator_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `marker::PhantomData`
[INFO] [stdout]   --> src/optfcore/fxnsseq.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::{marker::PhantomData, rc::Rc};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning 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 `optframe` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1a131ced716423c82a07abbe91fa0283c78a3066b970af2c3e7a8dc7910c8ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a131ced716423c82a07abbe91fa0283c78a3066b970af2c3e7a8dc7910c8ad9", kill_on_drop: false }`
[INFO] [stdout] 1a131ced716423c82a07abbe91fa0283c78a3066b970af2c3e7a8dc7910c8ad9