[INFO] fetching crate violet 0.0.1...
[INFO] testing violet-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate violet 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate violet 0.0.1
[INFO] finished tweaking crates.io crate violet 0.0.1
[INFO] tweaked toml for crates.io crate violet 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate violet 0.0.1 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 violet 0.0.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded gpu-descriptor-types v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.36
[INFO] [stderr]   Downloaded atomic_refcell v0.1.10
[INFO] [stderr]   Downloaded profiling v1.0.8
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded png v0.17.8
[INFO] [stderr]   Downloaded gpu-allocator v0.22.0
[INFO] [stderr]   Downloaded flax v0.4.0
[INFO] [stderr]   Downloaded toml_edit v0.19.10
[INFO] [stderr]   Downloaded glow v0.12.2
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.16.0
[INFO] [stderr]   Downloaded wgpu-core v0.16.1
[INFO] [stderr]   Downloaded android-activity v0.4.1
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded wgpu v0.16.1
[INFO] [stderr]   Downloaded tiny-skia v0.8.4
[INFO] [stderr]   Downloaded wgpu-hal v0.16.1
[INFO] [stderr]   Downloaded glam v0.24.0
[INFO] [stderr]   Downloaded winit v0.28.6
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded ttf-parser v0.19.0
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[INFO] [stderr]   Downloaded widestring v1.0.2
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded naga v0.12.2
[INFO] [stderr]   Downloaded slotmap v1.0.6
[INFO] [stderr]   Downloaded xml-rs v0.8.14
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded wgpu-types v0.16.0
[INFO] [stderr]   Downloaded web-sys v0.3.63
[INFO] [stderr]   Downloaded sctk-adwaita v0.5.4
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.4
[INFO] [stderr]   Downloaded metal v0.24.0
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded xcursor v0.3.4
[INFO] [stderr]   Downloaded bitflags v2.3.1
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[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded d3d12 v0.6.0
[INFO] [stderr]   Downloaded gpu-descriptor v0.2.3
[INFO] [stderr]   Downloaded com-rs v0.2.1
[INFO] [stderr]   Downloaded hassle-rs v0.10.0
[INFO] [stderr]   Downloaded dlib v0.5.0
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded ab_glyph v0.2.21
[INFO] [stderr]   Downloaded fdeflate v0.3.0
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded libloading v0.8.0
[INFO] [stderr]   Downloaded renderdoc-sys v1.0.0
[INFO] [stderr]   Downloaded toml_datetime v0.6.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded orbclient v0.3.45
[INFO] [stderr]   Downloaded windows v0.44.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a2580b433150aeff0293e920b7c05b39a9159f998d9835dad0dc4e7159ac822
[INFO] running `Command { std: "docker" "start" "-a" "1a2580b433150aeff0293e920b7c05b39a9159f998d9835dad0dc4e7159ac822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a2580b433150aeff0293e920b7c05b39a9159f998d9835dad0dc4e7159ac822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2580b433150aeff0293e920b7c05b39a9159f998d9835dad0dc4e7159ac822", kill_on_drop: false }`
[INFO] [stdout] 1a2580b433150aeff0293e920b7c05b39a9159f998d9835dad0dc4e7159ac822
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faba1466b4046fbfaacaeee64a910855a4fd7546624855318eeaf1179553476f
[INFO] running `Command { std: "docker" "start" "-a" "faba1466b4046fbfaacaeee64a910855a4fd7546624855318eeaf1179553476f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling xml-rs v0.8.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 dlib v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.15
[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" "faba1466b4046fbfaacaeee64a910855a4fd7546624855318eeaf1179553476f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faba1466b4046fbfaacaeee64a910855a4fd7546624855318eeaf1179553476f", kill_on_drop: false }`
[INFO] [stdout] faba1466b4046fbfaacaeee64a910855a4fd7546624855318eeaf1179553476f