[INFO] fetching crate druid-shell 0.8.3...
[INFO] testing druid-shell-0.8.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate druid-shell 0.8.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate druid-shell 0.8.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate druid-shell 0.8.3
[INFO] tweaked toml for crates.io crate druid-shell 0.8.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate druid-shell 0.8.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate druid-shell 0.8.3 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded associative-cache v1.0.1
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded piet-common v0.6.2
[INFO] [stderr]   Downloaded piet-direct2d v0.6.2
[INFO] [stderr]   Downloaded unic-bidi v0.9.0
[INFO] [stderr]   Downloaded test-log v0.2.11
[INFO] [stderr]   Downloaded piet-web v0.6.2
[INFO] [stderr]   Downloaded ordered-stream v0.0.1
[INFO] [stderr]   Downloaded atk v0.16.0
[INFO] [stderr]   Downloaded gtk3-macros v0.16.0
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded enumflags2 v0.7.5
[INFO] [stderr]   Downloaded async-broadcast v0.4.1
[INFO] [stderr]   Downloaded zbus_names v2.5.0
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded ashpd v0.3.2
[INFO] [stderr]   Downloaded zvariant v3.11.0
[INFO] [stderr]   Downloaded gio-sys v0.16.3
[INFO] [stderr]   Downloaded gdk-sys v0.16.0
[INFO] [stderr]   Downloaded gio v0.16.7
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded piet v0.6.2
[INFO] [stderr]   Downloaded zbus v2.3.2
[INFO] [stderr]   Downloaded gtk-sys v0.16.0
[INFO] [stderr]   Downloaded cairo-rs v0.16.7
[INFO] [stderr]   Downloaded gdk v0.16.2
[INFO] [stderr]   Downloaded gtk v0.16.2
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.3
[INFO] [stderr]   Downloaded pest v2.5.5
[INFO] [stderr]   Downloaded glib-sys v0.16.3
[INFO] [stderr]   Downloaded piet-cairo v0.6.2
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded zbus_macros v2.3.2
[INFO] [stderr]   Downloaded pango v0.16.5
[INFO] [stderr]   Downloaded pangocairo v0.16.3
[INFO] [stderr]   Downloaded glib v0.16.7
[INFO] [stderr]   Downloaded piet-coregraphics v0.6.2
[INFO] [stderr]   Downloaded kurbo v0.9.0
[INFO] [stderr]   Downloaded serde_repr v0.1.10
[INFO] [stderr]   Downloaded zvariant_derive v3.11.0
[INFO] [stderr]   Downloaded calloop v0.7.2
[INFO] [stderr]   Downloaded glib-macros v0.16.3
[INFO] [stderr]   Downloaded pango-sys v0.16.3
[INFO] [stderr]   Downloaded gdk-pixbuf v0.16.7
[INFO] [stderr]   Downloaded gobject-sys v0.16.3
[INFO] [stderr]   Downloaded pangocairo-sys v0.16.3
[INFO] [stderr]   Downloaded atk-sys v0.16.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.16.3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e82c32abc635701752b4b10dde9cf8a8dd8427b550f9e8800e841a370ad0c0d
[INFO] running `Command { std: "docker" "start" "-a" "1e82c32abc635701752b4b10dde9cf8a8dd8427b550f9e8800e841a370ad0c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e82c32abc635701752b4b10dde9cf8a8dd8427b550f9e8800e841a370ad0c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e82c32abc635701752b4b10dde9cf8a8dd8427b550f9e8800e841a370ad0c0d", kill_on_drop: false }`
[INFO] [stdout] 1e82c32abc635701752b4b10dde9cf8a8dd8427b550f9e8800e841a370ad0c0d
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7acaafcf311f702dc825408ba499266bd7fbf2fc910d34e9096244e98767c776
[INFO] running `Command { std: "docker" "start" "-a" "7acaafcf311f702dc825408ba499266bd7fbf2fc910d34e9096244e98767c776", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.69
[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] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling winnow v0.3.3
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling gio v0.16.7
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[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" "7acaafcf311f702dc825408ba499266bd7fbf2fc910d34e9096244e98767c776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acaafcf311f702dc825408ba499266bd7fbf2fc910d34e9096244e98767c776", kill_on_drop: false }`
[INFO] [stdout] 7acaafcf311f702dc825408ba499266bd7fbf2fc910d34e9096244e98767c776