[INFO] fetching crate miniview 0.6.1...
[INFO] checking miniview-0.6.1 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate miniview 0.6.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate miniview 0.6.1 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate miniview 0.6.1
[INFO] finished tweaking crates.io crate miniview 0.6.1
[INFO] tweaked toml for crates.io crate miniview 0.6.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate miniview 0.6.1 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ultraviolet v0.9.1
[INFO] [stderr]   Downloaded inplace_it v0.3.5
[INFO] [stderr]   Downloaded pixels v0.10.0
[INFO] [stderr]   Downloaded winit_input_helper v0.13.0
[INFO] [stderr]   Downloaded profiling v1.0.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.42.0
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded shader_version v0.7.0
[INFO] [stderr]   Downloaded piston-texture v0.8.0
[INFO] [stderr]   Downloaded gl v0.13.0
[INFO] [stderr]   Downloaded parameterized-macro v0.3.1
[INFO] [stderr]   Downloaded piston v0.53.2
[INFO] [stderr]   Downloaded predicates v3.0.2
[INFO] [stderr]   Downloaded assert_cmd v2.0.10
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.2
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.76.0
[INFO] [stderr]   Downloaded spin v0.9.7
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.70.1
[INFO] [stderr]   Downloaded glutin v0.26.0
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded zune-inflate v0.2.53
[INFO] [stderr]   Downloaded piston2d-graphics v0.42.0
[INFO] [stderr]   Downloaded parameterized v0.3.1
[INFO] [stderr]   Downloaded gfx v0.18.3
[INFO] [stderr]   Downloaded draw_state v0.8.0
[INFO] [stderr]   Downloaded gfx_core v0.9.2
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded xdg v2.4.1
[INFO] [stderr]   Downloaded pistoncore-input v1.0.1
[INFO] [stderr]   Downloaded pistoncore-window v0.47.1
[INFO] [stderr]   Downloaded ash v0.37.2+1.3.238
[INFO] [stderr]   Downloaded bstr v1.4.0
[INFO] [stderr]   Downloaded piston_window v0.124.0
[INFO] [stderr]   Downloaded pollster v0.2.5
[INFO] [stderr]   Downloaded gfx_gl v0.6.1
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.1
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.4.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.2
[INFO] [stderr]   Downloaded wayland-egl v0.28.6
[INFO] [stderr]   Downloaded piston-graphics_api_version v1.0.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b847d2c6f53cacc9aa1b10daf0e92d6e52cbbcaf9d53fff2c4dc598fd21c1275
[INFO] running `Command { std: "docker" "start" "-a" "b847d2c6f53cacc9aa1b10daf0e92d6e52cbbcaf9d53fff2c4dc598fd21c1275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b847d2c6f53cacc9aa1b10daf0e92d6e52cbbcaf9d53fff2c4dc598fd21c1275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b847d2c6f53cacc9aa1b10daf0e92d6e52cbbcaf9d53fff2c4dc598fd21c1275", kill_on_drop: false }`
[INFO] [stdout] b847d2c6f53cacc9aa1b10daf0e92d6e52cbbcaf9d53fff2c4dc598fd21c1275
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6a9ab5ab655adb80a034e40d4dee9068a6304b1c9075295786ae163b3edeed
[INFO] running `Command { std: "docker" "start" "-a" "1b6a9ab5ab655adb80a034e40d4dee9068a6304b1c9075295786ae163b3edeed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.55/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 xml-rs v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[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" "1b6a9ab5ab655adb80a034e40d4dee9068a6304b1c9075295786ae163b3edeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6a9ab5ab655adb80a034e40d4dee9068a6304b1c9075295786ae163b3edeed", kill_on_drop: false }`
[INFO] [stdout] 1b6a9ab5ab655adb80a034e40d4dee9068a6304b1c9075295786ae163b3edeed
