[INFO] fetching crate druid-shell 0.8.3...
[INFO] checking druid-shell-0.8.3 against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] extracting crate druid-shell 0.8.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate druid-shell 0.8.3 on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate druid-shell 0.8.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate druid-shell 0.8.3
[INFO] tweaked toml for crates.io crate druid-shell 0.8.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate druid-shell 0.8.3 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kurbo v0.9.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e9f3e5e8dabde24516f54ef5863d0071b2b50bca3024e0eaa2e49a3f668eb1a
[INFO] running `Command { std: "docker" "start" "-a" "6e9f3e5e8dabde24516f54ef5863d0071b2b50bca3024e0eaa2e49a3f668eb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e9f3e5e8dabde24516f54ef5863d0071b2b50bca3024e0eaa2e49a3f668eb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9f3e5e8dabde24516f54ef5863d0071b2b50bca3024e0eaa2e49a3f668eb1a", kill_on_drop: false }`
[INFO] [stdout] 6e9f3e5e8dabde24516f54ef5863d0071b2b50bca3024e0eaa2e49a3f668eb1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dreturn-local-variable-ptr" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dea6efe1e243b5a4e992ae13ef5ad8fda2fb9aa7375891710e4d5f35d6c4bf7c
[INFO] running `Command { std: "docker" "start" "-a" "dea6efe1e243b5a4e992ae13ef5ad8fda2fb9aa7375891710e4d5f35d6c4bf7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling winnow v0.3.3
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling 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] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling gio v0.16.7
[INFO] [stderr]     Checking futures-io v0.3.26
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dea6efe1e243b5a4e992ae13ef5ad8fda2fb9aa7375891710e4d5f35d6c4bf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea6efe1e243b5a4e992ae13ef5ad8fda2fb9aa7375891710e4d5f35d6c4bf7c", kill_on_drop: false }`
[INFO] [stdout] dea6efe1e243b5a4e992ae13ef5ad8fda2fb9aa7375891710e4d5f35d6c4bf7c