[INFO] fetching crate uefi-graphics-driver 0.1.1...
[INFO] testing uefi-graphics-driver-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate uefi-graphics-driver 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate uefi-graphics-driver 0.1.1
[INFO] finished tweaking crates.io crate uefi-graphics-driver 0.1.1
[INFO] tweaked toml for crates.io crate uefi-graphics-driver 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uefi-graphics-driver 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uefi-graphics-driver 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptr_meta_derive v0.2.0
[INFO] [stderr]   Downloaded ptr_meta v0.2.0
[INFO] [stderr]   Downloaded uefi-macros v0.11.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded uefi-services v0.17.0
[INFO] [stderr]   Downloaded uefi v0.20.0
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81103d653414df0dab0bed8a8887af19ae56d6a4ed14068c7db31fb862c89202
[INFO] running `Command { std: "docker" "start" "-a" "81103d653414df0dab0bed8a8887af19ae56d6a4ed14068c7db31fb862c89202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81103d653414df0dab0bed8a8887af19ae56d6a4ed14068c7db31fb862c89202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81103d653414df0dab0bed8a8887af19ae56d6a4ed14068c7db31fb862c89202", kill_on_drop: false }`
[INFO] [stdout] 81103d653414df0dab0bed8a8887af19ae56d6a4ed14068c7db31fb862c89202
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56dc6b9dabbc7ccc1a7575a05179163e890b7c7080e670e7bca883dcd31d4374
[INFO] running `Command { std: "docker" "start" "-a" "56dc6b9dabbc7ccc1a7575a05179163e890b7c7080e670e7bca883dcd31d4374", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling ucs2 v0.3.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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] 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" "56dc6b9dabbc7ccc1a7575a05179163e890b7c7080e670e7bca883dcd31d4374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56dc6b9dabbc7ccc1a7575a05179163e890b7c7080e670e7bca883dcd31d4374", kill_on_drop: false }`
[INFO] [stdout] 56dc6b9dabbc7ccc1a7575a05179163e890b7c7080e670e7bca883dcd31d4374