[INFO] fetching crate leptos-tracked 0.1.4...
[INFO] checking leptos-tracked-0.1.4 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate leptos-tracked 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate leptos-tracked 0.1.4 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leptos-tracked 0.1.4
[INFO] finished tweaking crates.io crate leptos-tracked 0.1.4
[INFO] tweaked toml for crates.io crate leptos-tracked 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate leptos-tracked 0.1.4 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leptos_reactive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08c79b3e406e75f18bc90c010c06297ca5a4dd924e8a41cd4e34ccea687b9ed4
[INFO] running `Command { std: "docker" "start" "-a" "08c79b3e406e75f18bc90c010c06297ca5a4dd924e8a41cd4e34ccea687b9ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08c79b3e406e75f18bc90c010c06297ca5a4dd924e8a41cd4e34ccea687b9ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c79b3e406e75f18bc90c010c06297ca5a4dd924e8a41cd4e34ccea687b9ed4", kill_on_drop: false }`
[INFO] [stdout] 08c79b3e406e75f18bc90c010c06297ca5a4dd924e8a41cd4e34ccea687b9ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6019a75b9abd33a47827eb9aa44b4813beac21e3a4228edf4d187a4c9de5f86c
[INFO] running `Command { std: "docker" "start" "-a" "6019a75b9abd33a47827eb9aa44b4813beac21e3a4228edf4d187a4c9de5f86c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling bumpalo v3.12.0
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking futures-channel v0.3.26
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6019a75b9abd33a47827eb9aa44b4813beac21e3a4228edf4d187a4c9de5f86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6019a75b9abd33a47827eb9aa44b4813beac21e3a4228edf4d187a4c9de5f86c", kill_on_drop: false }`
[INFO] [stdout] 6019a75b9abd33a47827eb9aa44b4813beac21e3a4228edf4d187a4c9de5f86c
