[INFO] cloning repository https://github.com/d3atiq/slint-ui-memory-game-tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d3atiq/slint-ui-memory-game-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3atiq%2Fslint-ui-memory-game-tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3atiq%2Fslint-ui-memory-game-tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23df3186e204a1255b8c47c2cbdf0dc8cb5d8273 [INFO] checking d3atiq/slint-ui-memory-game-tutorial/23df3186e204a1255b8c47c2cbdf0dc8cb5d8273 against master#023084804e5e8ea42877451c2b3030e7050281cc for pr-123909 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd3atiq%2Fslint-ui-memory-game-tutorial" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/d3atiq/slint-ui-memory-game-tutorial on toolchain 023084804e5e8ea42877451c2b3030e7050281cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/d3atiq/slint-ui-memory-game-tutorial [INFO] finished tweaking git repo https://github.com/d3atiq/slint-ui-memory-game-tutorial [INFO] tweaked toml for git repo https://github.com/d3atiq/slint-ui-memory-game-tutorial written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/d3atiq/slint-ui-memory-game-tutorial 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" "+023084804e5e8ea42877451c2b3030e7050281cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded i-slint-common v1.0.0 [INFO] [stderr] Downloaded cpp_macros v0.5.8 [INFO] [stderr] Downloaded atomic-polyfill v1.0.2 [INFO] [stderr] Downloaded cpp v0.5.8 [INFO] [stderr] Downloaded cpp_common v0.5.8 [INFO] [stderr] Downloaded codemap-diagnostic v0.1.1 [INFO] [stderr] Downloaded slint-macros v1.0.0 [INFO] [stderr] Downloaded imagesize v0.11.0 [INFO] [stderr] Downloaded cpp_build v0.5.8 [INFO] [stderr] Downloaded fontdb v0.12.0 [INFO] [stderr] Downloaded i-slint-core-macros v1.0.0 [INFO] [stderr] Downloaded rosvgtree v0.2.0 [INFO] [stderr] Downloaded usvg v0.30.0 [INFO] [stderr] Downloaded i-slint-backend-selector v1.0.0 [INFO] [stderr] Downloaded vtable v0.1.10 [INFO] [stderr] Downloaded qttypes v0.2.8 [INFO] [stderr] Downloaded femtovg v0.6.0 [INFO] [stderr] Downloaded i-slint-backend-qt v1.0.0 [INFO] [stderr] Downloaded skia-safe v0.60.0 [INFO] [stderr] Downloaded i-slint-renderer-femtovg v1.0.0 [INFO] [stderr] Downloaded i-slint-compiler v1.0.0 [INFO] [stderr] Downloaded slint v1.0.0 [INFO] [stderr] Downloaded fontconfig-parser v0.5.2 [INFO] [stderr] Downloaded imgref v1.9.4 [INFO] [stderr] Downloaded skia-bindings v0.60.0 [INFO] [stderr] Downloaded i-slint-renderer-skia v1.0.0 [INFO] [stderr] Downloaded usvg-parser v0.30.0 [INFO] [stderr] Downloaded kurbo v0.9.2 [INFO] [stderr] Downloaded resvg v0.30.0 [INFO] [stderr] Downloaded i-slint-core v1.0.0 [INFO] [stderr] Downloaded i-slint-backend-winit v1.0.0 [INFO] [stderr] Downloaded usvg-tree v0.30.0 [INFO] [stderr] Downloaded rowan v0.15.11 [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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 487f2b509ed6836b8a114b62b79723bf31668f3caaef557b24742a25d08ca913 [INFO] running `Command { std: "docker" "start" "-a" "487f2b509ed6836b8a114b62b79723bf31668f3caaef557b24742a25d08ca913", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "487f2b509ed6836b8a114b62b79723bf31668f3caaef557b24742a25d08ca913", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "487f2b509ed6836b8a114b62b79723bf31668f3caaef557b24742a25d08ca913", kill_on_drop: false }` [INFO] [stdout] 487f2b509ed6836b8a114b62b79723bf31668f3caaef557b24742a25d08ca913 [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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+023084804e5e8ea42877451c2b3030e7050281cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d99ca3898309021ce8c35e076ee7ba05cef0024a885c299d2bc55ddf17e0651 [INFO] running `Command { std: "docker" "start" "-a" "0d99ca3898309021ce8c35e076ee7ba05cef0024a885c299d2bc55ddf17e0651", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling atomic-polyfill v1.0.2 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] Checking critical-section v1.1.1 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "0d99ca3898309021ce8c35e076ee7ba05cef0024a885c299d2bc55ddf17e0651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d99ca3898309021ce8c35e076ee7ba05cef0024a885c299d2bc55ddf17e0651", kill_on_drop: false }` [INFO] [stdout] 0d99ca3898309021ce8c35e076ee7ba05cef0024a885c299d2bc55ddf17e0651