[INFO] fetching crate loess-rust 0.1.0+0.2...
[INFO] checking loess-rust-0.1.0+0.2 against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] extracting crate loess-rust 0.1.0+0.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate loess-rust 0.1.0+0.2
[INFO] finished tweaking crates.io crate loess-rust 0.1.0+0.2
[INFO] tweaked toml for crates.io crate loess-rust 0.1.0+0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate loess-rust 0.1.0+0.2 on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate loess-rust 0.1.0+0.2 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "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@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace
[INFO] running `Command { std: "docker" "start" "01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace", 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" "01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking loess v0.2.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/loess-0.2.3/src/macros.rs:1092:6
[INFO] [stdout]      |
[INFO] [stdout] 1092 |                     assign_span(span, group.stream()).into_iter().collect(),
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loess` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace", kill_on_drop: false }`
[INFO] [stdout] 01a8f17aececc97a834b11773725d9e92ff59d9330477fb1bd9d0400eca63ace
