[INFO] fetching crate four-bar-ui 4.0.0...
[INFO] checking four-bar-ui-4.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate four-bar-ui 4.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate four-bar-ui 4.0.0
[INFO] finished tweaking crates.io crate four-bar-ui 4.0.0
[INFO] tweaked toml for crates.io crate four-bar-ui 4.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate four-bar-ui 4.0.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate four-bar-ui 4.0.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wild v2.1.0
[INFO] [stderr]   Downloaded four-bar v4.0.0
[INFO] [stderr]   Downloaded polling v2.7.0
[INFO] [stderr]   Downloaded pest_generator v2.5.7
[INFO] [stderr]   Downloaded zune-inflate v0.2.53
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.6
[INFO] [stderr]   Downloaded glutin_egl_sys v0.4.0
[INFO] [stderr]   Downloaded metaheuristics-nature v8.0.4
[INFO] [stderr]   Downloaded pest_derive v2.5.7
[INFO] [stderr]   Downloaded zbus_macros v3.11.1
[INFO] [stderr]   Downloaded zbus_names v2.5.0
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded webbrowser v0.8.9
[INFO] [stderr]   Downloaded dark-light v1.0.0
[INFO] [stderr]   Downloaded glutin v0.30.7
[INFO] [stderr]   Downloaded zvariant v3.12.0
[INFO] [stderr]   Downloaded tiny-skia v0.8.3
[INFO] [stderr]   Downloaded zbus v3.11.1
[INFO] [stderr]   Downloaded pest v2.5.7
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded efd v2.2.2
[INFO] [stderr]   Downloaded owned_ttf_parser v0.18.1
[INFO] [stderr]   Downloaded pest_meta v2.5.7
[INFO] [stderr]   Downloaded enumn v0.1.8
[INFO] [stderr]   Downloaded enumflags2 v0.7.6
[INFO] [stderr]   Downloaded accesskit v0.9.0
[INFO] [stderr]   Downloaded atomic_refcell v0.1.9
[INFO] [stderr]   Downloaded strict-num v0.1.0
[INFO] [stderr]   Downloaded interp v1.0.1
[INFO] [stderr]   Downloaded rfd v0.11.3
[INFO] [stderr]   Downloaded zvariant_utils v1.0.0
[INFO] [stderr]   Downloaded zvariant_derive v3.12.0
[INFO] [stderr]   Downloaded ab_glyph v0.2.20
[INFO] [stderr]   Downloaded winit v0.28.3
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.3
[INFO] [stderr]   Downloaded ndarray-npy v0.8.1
[INFO] [stderr]   Downloaded orbclient v0.3.44
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebb7935a2aa8a5639cd5d57a671d0348a79ef986105717bce290f60ab9bf1247
[INFO] running `Command { std: "docker" "start" "-a" "ebb7935a2aa8a5639cd5d57a671d0348a79ef986105717bce290f60ab9bf1247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb7935a2aa8a5639cd5d57a671d0348a79ef986105717bce290f60ab9bf1247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb7935a2aa8a5639cd5d57a671d0348a79ef986105717bce290f60ab9bf1247", kill_on_drop: false }`
[INFO] [stdout] ebb7935a2aa8a5639cd5d57a671d0348a79ef986105717bce290f60ab9bf1247
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a19b578434ea03f67242bd7b68568670d22ddca21a8be6d7a8c75659e713d7d9
[INFO] running `Command { std: "docker" "start" "-a" "a19b578434ea03f67242bd7b68568670d22ddca21a8be6d7a8c75659e713d7d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[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] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[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" "a19b578434ea03f67242bd7b68568670d22ddca21a8be6d7a8c75659e713d7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19b578434ea03f67242bd7b68568670d22ddca21a8be6d7a8c75659e713d7d9", kill_on_drop: false }`
[INFO] [stdout] a19b578434ea03f67242bd7b68568670d22ddca21a8be6d7a8c75659e713d7d9