[INFO] fetching crate i-slint-backend-qt 0.2.4...
[INFO] checking i-slint-backend-qt-0.2.4 against try#4e3d7541a523df82cea75064e44e60ae9a008bcb for pr-97427
[INFO] extracting crate i-slint-backend-qt 0.2.4 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate i-slint-backend-qt 0.2.4 on toolchain 4e3d7541a523df82cea75064e44e60ae9a008bcb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i-slint-backend-qt 0.2.4
[INFO] finished tweaking crates.io crate i-slint-backend-qt 0.2.4
[INFO] tweaked toml for crates.io crate i-slint-backend-qt 0.2.4 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1c964000913c313d11de1c6dd1bd6288a1bc9e7761a691c5030944f82d36016
[INFO] running `Command { std: "docker" "start" "-a" "b1c964000913c313d11de1c6dd1bd6288a1bc9e7761a691c5030944f82d36016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1c964000913c313d11de1c6dd1bd6288a1bc9e7761a691c5030944f82d36016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c964000913c313d11de1c6dd1bd6288a1bc9e7761a691c5030944f82d36016", kill_on_drop: false }`
[INFO] [stdout] b1c964000913c313d11de1c6dd1bd6288a1bc9e7761a691c5030944f82d36016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+4e3d7541a523df82cea75064e44e60ae9a008bcb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e33854349423dd402794173ece1b0eb46073504488a934544e097fca4c9bcbb
[INFO] running `Command { std: "docker" "start" "-a" "8e33854349423dd402794173ece1b0eb46073504488a934544e097fca4c9bcbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling critical-section v0.2.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling atomic-polyfill v0.1.8
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking pin-weak v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking i-slint-common v0.2.4
[INFO] [stderr]     Checking unicode-script v0.5.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking rgb v0.8.32
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling auto_enums_derive v0.7.12
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling field-offset v0.3.4
[INFO] [stderr]     Checking euclid v0.22.7
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking lyon_geom v0.17.7
[INFO] [stderr]     Checking lyon_path v0.17.7
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]     Checking lyon_algorithms v0.17.7
[INFO] [stderr]     Checking lyon_svg v0.17.2
[INFO] [stderr]    Compiling cpp_common v0.5.7
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling cpp_build v0.5.7
[INFO] [stderr]    Compiling const-field-offset-macro v0.1.2
[INFO] [stderr]    Compiling qttypes v0.2.8
[INFO] [stderr]    Compiling vtable-macro v0.1.7
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling cpp_macros v0.5.7
[INFO] [stderr]    Compiling auto_enums_core v0.7.12
[INFO] [stderr]    Compiling strum_macros v0.24.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling i-slint-backend-qt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling i-slint-core-macros v0.2.4
[INFO] [stderr]     Checking const-field-offset v0.1.2
[INFO] [stderr]     Checking vtable v0.1.7
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking auto_enums v0.7.12
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking cpp v0.5.7
[INFO] [stderr]     Checking i-slint-core v0.2.4
[INFO] [stderr] warning: Qt 5.12.8 is not supported, you need at least Qt 5.15. The Qt backend will not be functional. See https://github.com/slint-ui/slint/blob/master/docs/install_qt.md for more info
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "8e33854349423dd402794173ece1b0eb46073504488a934544e097fca4c9bcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e33854349423dd402794173ece1b0eb46073504488a934544e097fca4c9bcbb", kill_on_drop: false }`
[INFO] [stdout] 8e33854349423dd402794173ece1b0eb46073504488a934544e097fca4c9bcbb