[INFO] fetching crate conquer-struct 0.1.0...
[INFO] testing conquer-struct-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate conquer-struct 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate conquer-struct 0.1.0
[INFO] finished tweaking crates.io crate conquer-struct 0.1.0
[INFO] tweaked toml for crates.io crate conquer-struct 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate conquer-struct 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to highest compatible versions
[INFO] [stderr]       Adding syn v2.0.119 (available: v3.0.9)
[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-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc
[INFO] running `Command { std: "docker" "start" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc", 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" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc" "/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" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc", 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" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling conquer-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc", 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" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling conquer-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stdout] error: unsupported expression; enable syn's features=["full"]
[INFO] [stdout]   --> tests/struct-test.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |         name: async { "Hello, World!".to_string() },
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsupported expression; enable syn's features=["full"]
[INFO] [stdout]   --> tests/struct-test.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |         name: async { Ok::<String, ()>("Hello, World!".to_string()) },
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unsupported expression; enable syn's features=["full"]
[INFO] [stdout]   --> tests/struct-test.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |             name: async { Ok::<String, ()>("Hello, World!".to_string()) },
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conquer-struct` (test "struct-test") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc", kill_on_drop: false }`
[INFO] [stdout] 2fd5b457224ae7aa20183eb511662b5df76b68122b8212806c942fa06c8107cc
