[INFO] fetching crate zenum 0.0.0-reserved...
[INFO] testing zenum-0.0.0-reserved against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate zenum 0.0.0-reserved into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate zenum 0.0.0-reserved
[INFO] finished tweaking crates.io crate zenum 0.0.0-reserved
[INFO] tweaked toml for crates.io crate zenum 0.0.0-reserved written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zenum 0.0.0-reserved on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zenum 0.0.0-reserved 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" "+1.100.0-beta.1" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894
[INFO] running `Command { std: "docker" "start" "6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894", 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" "6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894", 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" "6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling zenum v0.0.0-reserved (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `enumwow_helpers`
[INFO] [stdout]    --> src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub use enumwow_helpers::dummy;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `enumwow_helpers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `enumwow_helpers`, use `cargo add enumwow_helpers` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `zenum` in this scope
[INFO] [stdout]    --> src/lib.rs:258:7
[INFO] [stdout]     |
[INFO] [stdout] 258 |     #[zenum(disabled)]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_option_ops)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zenum` (lib) due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894", kill_on_drop: false }`
[INFO] [stdout] 6f0b6316dde88aa04ed9b35a9b8a74c4552a065f6a4d72284c2accc062cea894
