[INFO] cloning repository https://github.com/nicos68/iced_aw_floating_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicos68/iced_aw_floating_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicos68%2Ficed_aw_floating_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicos68%2Ficed_aw_floating_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0076db3085ab536428d1c5a5f2d5b1610833db45
[INFO] checking nicos68/iced_aw_floating_example against master#fe55364329579d361b1ab565728bc033a7dba07e for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicos68%2Ficed_aw_floating_example" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nicos68/iced_aw_floating_example
[INFO] finished tweaking git repo https://github.com/nicos68/iced_aw_floating_example
[INFO] tweaked toml for git repo https://github.com/nicos68/iced_aw_floating_example written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nicos68/iced_aw_floating_example on toolchain fe55364329579d361b1ab565728bc033a7dba07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nicos68/iced_aw_floating_example 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" "+fe55364329579d361b1ab565728bc033a7dba07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/iced-rs/iced_aw`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iced_core v0.6.2
[INFO] [stderr]   Downloaded iced_wgpu v0.7.0
[INFO] [stderr]   Downloaded iced_winit v0.6.0
[INFO] [stderr]   Downloaded iced_futures v0.5.1
[INFO] [stderr]   Downloaded iced_native v0.7.0
[INFO] [stderr]   Downloaded iced_style v0.5.1
[INFO] [stderr]   Downloaded iced_graphics v0.5.0
[INFO] [stderr]   Downloaded iced v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e86f32900f3142b40ee22d99fc577755431452d2b216c4c3a32571b62bb125c4
[INFO] running `Command { std: "docker" "start" "-a" "e86f32900f3142b40ee22d99fc577755431452d2b216c4c3a32571b62bb125c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e86f32900f3142b40ee22d99fc577755431452d2b216c4c3a32571b62bb125c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86f32900f3142b40ee22d99fc577755431452d2b216c4c3a32571b62bb125c4", kill_on_drop: false }`
[INFO] [stdout] e86f32900f3142b40ee22d99fc577755431452d2b216c4c3a32571b62bb125c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+fe55364329579d361b1ab565728bc033a7dba07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e573bd7cd7b6653adc0b46c860e0908636c5b1f250ad5c069c4392b73eb4a11
[INFO] running `Command { std: "docker" "start" "-a" "7e573bd7cd7b6653adc0b46c860e0908636c5b1f250ad5c069c4392b73eb4a11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking nom v7.1.2
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling palette v0.6.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]    Compiling wgpu-core v0.14.2
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 wgpu-types v0.14.1
[INFO] [stderr]     Checking glam v0.21.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking profiling v1.0.7
[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" "7e573bd7cd7b6653adc0b46c860e0908636c5b1f250ad5c069c4392b73eb4a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e573bd7cd7b6653adc0b46c860e0908636c5b1f250ad5c069c4392b73eb4a11", kill_on_drop: false }`
[INFO] [stdout] 7e573bd7cd7b6653adc0b46c860e0908636c5b1f250ad5c069c4392b73eb4a11