[INFO] fetching crate uefi-graphics-driver 0.1.1...
[INFO] building uefi-graphics-driver-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate uefi-graphics-driver 0.1.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uefi-graphics-driver 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[INFO] [stderr]   Downloaded uefi-services v0.17.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[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 uefi v0.20.0
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a29de10d30e86edd226c4eec15ea4c0dd8e38a60f5a66843191d2f1650c1fdfc
[INFO] running `Command { std: "docker" "start" "-a" "a29de10d30e86edd226c4eec15ea4c0dd8e38a60f5a66843191d2f1650c1fdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a29de10d30e86edd226c4eec15ea4c0dd8e38a60f5a66843191d2f1650c1fdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29de10d30e86edd226c4eec15ea4c0dd8e38a60f5a66843191d2f1650c1fdfc", kill_on_drop: false }`
[INFO] [stdout] a29de10d30e86edd226c4eec15ea4c0dd8e38a60f5a66843191d2f1650c1fdfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70f2f1fbcb064a8e90c0daa1d7d2f2d4c04c341c84c5d78bc88474dbe844e50
[INFO] running `Command { std: "docker" "start" "-a" "f70f2f1fbcb064a8e90c0daa1d7d2f2d4c04c341c84c5d78bc88474dbe844e50", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[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" "f70f2f1fbcb064a8e90c0daa1d7d2f2d4c04c341c84c5d78bc88474dbe844e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70f2f1fbcb064a8e90c0daa1d7d2f2d4c04c341c84c5d78bc88474dbe844e50", kill_on_drop: false }`
[INFO] [stdout] f70f2f1fbcb064a8e90c0daa1d7d2f2d4c04c341c84c5d78bc88474dbe844e50