[INFO] fetching crate hilen-mobile 0.7.0...
[INFO] testing hilen-mobile-0.7.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate hilen-mobile 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate hilen-mobile 0.7.0
[INFO] finished tweaking crates.io crate hilen-mobile 0.7.0
[INFO] tweaked toml for crates.io crate hilen-mobile 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hilen-mobile 0.7.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hilen-mobile 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deranged v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2
[INFO] running `Command { std: "docker" "start" "489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling deranged v0.5.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling quick-xml v0.42.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling plist v1.10.1
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling hilen-mobile v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exit_status_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hilen-mobile` (bin "hilen-mobile") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2", kill_on_drop: false }`
[INFO] [stdout] 489a1182ff0908b54ecb09918e273c918df058258f26f19aaff076b30e78e4f2
