[INFO] cloning repository https://github.com/tonyxty/kalos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonyxty/kalos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyxty%2Fkalos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyxty%2Fkalos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a55ed59904742c2eec8a9f451e1cf51f428c9a48
[INFO] testing tonyxty/kalos against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyxty%2Fkalos" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tonyxty/kalos on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tonyxty/kalos
[INFO] finished tweaking git repo https://github.com/tonyxty/kalos
[INFO] tweaked toml for git repo https://github.com/tonyxty/kalos written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tonyxty/kalos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/pest-parser/pest`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v110.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa544d021c06e25b1eb474b124e8af0f6c5f6f2842f2de27f4e3ea734969979
[INFO] running `Command { std: "docker" "start" "-a" "3fa544d021c06e25b1eb474b124e8af0f6c5f6f2842f2de27f4e3ea734969979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa544d021c06e25b1eb474b124e8af0f6c5f6f2842f2de27f4e3ea734969979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa544d021c06e25b1eb474b124e8af0f6c5f6f2842f2de27f4e3ea734969979", kill_on_drop: false }`
[INFO] [stdout] 3fa544d021c06e25b1eb474b124e8af0f6c5f6f2842f2de27f4e3ea734969979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee33f646e721f02817e3a9763ffc134e5143692b46a67695b06b496853d1ae27
[INFO] running `Command { std: "docker" "start" "-a" "ee33f646e721f02817e3a9763ffc134e5143692b46a67695b06b496853d1ae27", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#f768691f)
[INFO] [stderr]    Compiling pest v2.1.3 (https://github.com/pest-parser/pest?branch=master#654505c9)
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/pest-25f0f91498b61172/654505c/pest/src/lib.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "const_prec_climber", feature(const_fn))]
[INFO] [stdout]    |                                                     ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/pest-25f0f91498b61172/654505c/pest/src/lib.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(feature = "const_prec_climber", feature(const_fn))]
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pest` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ee33f646e721f02817e3a9763ffc134e5143692b46a67695b06b496853d1ae27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee33f646e721f02817e3a9763ffc134e5143692b46a67695b06b496853d1ae27", kill_on_drop: false }`
[INFO] [stdout] ee33f646e721f02817e3a9763ffc134e5143692b46a67695b06b496853d1ae27