[INFO] fetching crate gridlock 0.1.1...
[INFO] testing gridlock-0.1.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate gridlock 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate gridlock 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gridlock 0.1.1
[INFO] tweaked toml for crates.io crate gridlock 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gridlock 0.1.1 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 gridlock 0.1.1 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] 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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f
[INFO] running `Command { std: "docker" "start" "2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f", 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" "2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f" "/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" "2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f", 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" "2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.51.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling gridlock v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `Builder` in `task`
[INFO] [stdout]    --> src/task.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 |     tokio::task::Builder::new()
[INFO] [stdout]     |                  ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/task/mod.rs:324:26
[INFO] [stdout]     |
[INFO] [stdout] 324 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.51.0/src/macros/cfg.rs:582:23
[INFO] [stdout]     |
[INFO] [stdout] 582 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   6 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 111 -     tokio::task::Builder::new()
[INFO] [stdout] 111 +     Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gridlock` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f", kill_on_drop: false }`
[INFO] [stdout] 2e53cbdbdb8d61cd6b36498c9fbee3e8bb0977658b5f146db8557c8b6268252f
