[INFO] fetching crate polystrip 0.7.0-beta.1...
[INFO] testing polystrip-0.7.0-beta.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate polystrip 0.7.0-beta.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate polystrip 0.7.0-beta.1
[INFO] finished tweaking crates.io crate polystrip 0.7.0-beta.1
[INFO] tweaked toml for crates.io crate polystrip 0.7.0-beta.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polystrip 0.7.0-beta.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polystrip 0.7.0-beta.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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sctk-adwaita v0.5.3
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded libloading v0.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded shared_slab v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.11
[INFO] [stderr]   Downloaded bitflags v2.2.1
[INFO] [stderr]   Downloaded wgpu-types v0.16.0
[INFO] [stderr]   Downloaded wgpu-hal v0.16.0
[INFO] [stderr]   Downloaded ndk-sys v0.4.0
[INFO] [stderr]   Downloaded tiny-skia v0.8.3
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.3
[INFO] [stderr]   Downloaded cc v1.0.74
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded object v0.30.0
[INFO] [stderr]   Downloaded wgpu-core v0.16.0
[INFO] [stderr]   Downloaded winit v0.28.3
[INFO] [stderr]   Downloaded glow v0.12.1
[INFO] [stderr]   Downloaded orbclient v0.3.43
[INFO] [stderr]   Downloaded android-activity v0.4.1
[INFO] [stderr]   Downloaded calloop v0.10.1
[INFO] [stderr]   Downloaded libc v0.2.142
[INFO] [stderr]   Downloaded dashmap v5.4.0
[INFO] [stderr]   Downloaded gimli v0.27.0
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded naga v0.12.0
[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.3.patch-leaks.2
[INFO] [stderr]   Downloaded wgpu v0.16.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21a43234e546a24eff047d52961c4cae0e458a75f894283afd61ff250ae528c4
[INFO] running `Command { std: "docker" "start" "-a" "21a43234e546a24eff047d52961c4cae0e458a75f894283afd61ff250ae528c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21a43234e546a24eff047d52961c4cae0e458a75f894283afd61ff250ae528c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a43234e546a24eff047d52961c4cae0e458a75f894283afd61ff250ae528c4", kill_on_drop: false }`
[INFO] [stdout] 21a43234e546a24eff047d52961c4cae0e458a75f894283afd61ff250ae528c4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34605706dd37023cd1e4742af454d35e2e4cb249958561b388b4a3d02163a534
[INFO] running `Command { std: "docker" "start" "-a" "34605706dd37023cd1e4742af454d35e2e4cb249958561b388b4a3d02163a534", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v2.2.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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 hexf-parse v0.2.1
[INFO] [stderr]    Compiling wgpu-types v0.16.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling gpu-alloc v0.5.3
[INFO] [stderr]    Compiling libloading v0.8.0
[INFO] [stderr]    Compiling renderdoc-sys v1.0.0
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[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" "34605706dd37023cd1e4742af454d35e2e4cb249958561b388b4a3d02163a534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34605706dd37023cd1e4742af454d35e2e4cb249958561b388b4a3d02163a534", kill_on_drop: false }`
[INFO] [stdout] 34605706dd37023cd1e4742af454d35e2e4cb249958561b388b4a3d02163a534