[INFO] fetching crate const-bitfield 0.2.2...
[INFO] testing const-bitfield-0.2.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate const-bitfield 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate const-bitfield 0.2.2
[INFO] finished tweaking crates.io crate const-bitfield 0.2.2
[INFO] tweaked toml for crates.io crate const-bitfield 0.2.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate const-bitfield 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to highest compatible versions
[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 target-tuple v1.0.2
[INFO] [stderr]   Downloaded const-enum v0.1.0
[INFO] [stderr]   Downloaded trybuild v1.0.122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499
[INFO] running `Command { std: "docker" "start" "e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499", 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" "e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499" "/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" "e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499", 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" "e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-bitfield v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected a trait, found type
[INFO] [stdout]    --> src/lib.rs:240:31
[INFO] [stdout]     |
[INFO] [stdout] 240 | impl<T: ~ const BitRange<u8>> const Bit for T {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-bitfield` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499", kill_on_drop: false }`
[INFO] [stdout] e57921c203a902ab4eb99dee178ce731c042a2c91f0f31ca9d82092602d0c499
