[INFO] fetching crate ezgl 0.2.0...
[INFO] checking ezgl-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate ezgl 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ezgl 0.2.0
[INFO] finished tweaking crates.io crate ezgl 0.2.0
[INFO] tweaked toml for crates.io crate ezgl 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezgl 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ezgl 0.2.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gl_types v0.1.0
[INFO] [stderr]   Downloaded bitfrob v1.0.0
[INFO] [stderr]   Downloaded beryllium v0.11.3
[INFO] [stderr]   Downloaded ultraviolet v0.9.0
[INFO] [stderr]   Downloaded bool32 v0.1.1
[INFO] [stderr]   Downloaded gl_constants v0.1.1
[INFO] [stderr]   Downloaded raw_vulkan_handle v0.1.1
[INFO] [stderr]   Downloaded gl_struct_loader v0.1.1
[INFO] [stderr]   Downloaded pixel_formats v0.1.0
[INFO] [stderr]   Downloaded bitfrob v0.2.3
[INFO] [stderr]   Downloaded imagine v0.4.0
[INFO] [stderr]   Downloaded fermium v22604.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca8b9dd8ed2812e5a19206f5311652d90431cfab7bd39746aaadef834a111290
[INFO] running `Command { std: "docker" "start" "-a" "ca8b9dd8ed2812e5a19206f5311652d90431cfab7bd39746aaadef834a111290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8b9dd8ed2812e5a19206f5311652d90431cfab7bd39746aaadef834a111290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8b9dd8ed2812e5a19206f5311652d90431cfab7bd39746aaadef834a111290", kill_on_drop: false }`
[INFO] [stdout] ca8b9dd8ed2812e5a19206f5311652d90431cfab7bd39746aaadef834a111290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce43dcba79ee0ddd325b950bca44ec23d8f00585ad20d9ca0fff23a6bc048e1a
[INFO] running `Command { std: "docker" "start" "-a" "ce43dcba79ee0ddd325b950bca44ec23d8f00585ad20d9ca0fff23a6bc048e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fermium v22604.0.0
[INFO] [stderr]     Checking gl_types v0.1.0
[INFO] [stderr]     Checking raw_vulkan_handle v0.1.1
[INFO] [stderr]     Checking bitfrob v1.0.0
[INFO] [stderr]     Checking bool32 v0.1.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitfrob v0.2.3
[INFO] [stderr]     Checking gl_constants v0.1.1
[INFO] [stderr]     Checking gl_struct_loader v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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] 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" "ce43dcba79ee0ddd325b950bca44ec23d8f00585ad20d9ca0fff23a6bc048e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce43dcba79ee0ddd325b950bca44ec23d8f00585ad20d9ca0fff23a6bc048e1a", kill_on_drop: false }`
[INFO] [stdout] ce43dcba79ee0ddd325b950bca44ec23d8f00585ad20d9ca0fff23a6bc048e1a