[INFO] cloning repository https://github.com/lights0123/ice-70098
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lights0123/ice-70098" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fice-70098", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fice-70098'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 940769a9a2aaafd1b86191cf5a95e9f2c551077f
[INFO] testing lights0123/ice-70098 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%2Flights0123%2Fice-70098" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lights0123/ice-70098 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/lights0123/ice-70098
[INFO] finished tweaking git repo https://github.com/lights0123/ice-70098
[INFO] tweaked toml for git repo https://github.com/lights0123/ice-70098 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/lights0123/ice-70098 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cty v0.1.5
[INFO] [stderr]   Downloaded ndless-macros v0.4.0
[INFO] [stderr]   Downloaded ndless-static-vars v2.1.0
[INFO] [stderr]   Downloaded embedded-ffi v0.1.2
[INFO] [stderr]   Downloaded cstr_core v0.1.2
[INFO] [stderr]   Downloaded ndless-sys v0.2.0
[INFO] [stderr]   Downloaded ndless-handler v0.2.1
[INFO] [stderr]   Downloaded ndless v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 58565ad188e9a118895f99072c69f69b59a2358167640ff439bf9ea0dd9c7ceb
[INFO] running `Command { std: "docker" "start" "-a" "58565ad188e9a118895f99072c69f69b59a2358167640ff439bf9ea0dd9c7ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58565ad188e9a118895f99072c69f69b59a2358167640ff439bf9ea0dd9c7ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58565ad188e9a118895f99072c69f69b59a2358167640ff439bf9ea0dd9c7ceb", kill_on_drop: false }`
[INFO] [stdout] 58565ad188e9a118895f99072c69f69b59a2358167640ff439bf9ea0dd9c7ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] f899d9c85ee6de3e745bbca96d04561c9f4b03129082bae09ba3dea913438d69
[INFO] running `Command { std: "docker" "start" "-a" "f899d9c85ee6de3e745bbca96d04561c9f4b03129082bae09ba3dea913438d69", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cty v0.1.5
[INFO] [stderr]    Compiling ndless-static-vars v2.1.0
[INFO] [stderr]    Compiling ndless-sys v0.2.0
[INFO] [stderr]    Compiling cstr_core v0.1.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cstr_core-0.1.2/src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "alloc", feature(alloc))]
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cstr_core` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f899d9c85ee6de3e745bbca96d04561c9f4b03129082bae09ba3dea913438d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f899d9c85ee6de3e745bbca96d04561c9f4b03129082bae09ba3dea913438d69", kill_on_drop: false }`
[INFO] [stdout] f899d9c85ee6de3e745bbca96d04561c9f4b03129082bae09ba3dea913438d69