[INFO] cloning repository https://github.com/pop-os/iced-launcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pop-os/iced-launcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Ficed-launcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Ficed-launcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afcdbbb79f85a0af1dbd1a2fa41f94e1199fecb8
[INFO] checking pop-os/iced-launcher against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpop-os%2Ficed-launcher" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pop-os/iced-launcher
[INFO] finished tweaking git repo https://github.com/pop-os/iced-launcher
[INFO] tweaked toml for git repo https://github.com/pop-os/iced-launcher written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pop-os/iced-launcher on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pop-os/iced-launcher 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/wash2/freedestkop-icons`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/iced.git`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/iced-sctk`
[INFO] [stderr]     Updating git repository `https://github.com/wash2/launcher.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/Smithay/client-toolkit`
[INFO] [stderr]     Updating git repository `https://github.com/pop-os/cosmic-theme.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zbus_names v2.3.0
[INFO] [stderr]   Downloaded zbus_macros v3.5.0
[INFO] [stderr]   Downloaded zvariant_derive v3.8.0
[INFO] [stderr]   Downloaded enum-repr v0.2.6
[INFO] [stderr]   Downloaded polling v2.4.0
[INFO] [stderr]   Downloaded i18n-config v0.4.2
[INFO] [stderr]   Downloaded encase_derive_impl v0.3.0
[INFO] [stderr]   Downloaded temp-dir v0.1.11
[INFO] [stderr]   Downloaded gettext-rs v0.7.0
[INFO] [stderr]   Downloaded tinystr v0.7.0
[INFO] [stderr]   Downloaded freedesktop-desktop-entry v0.5.0
[INFO] [stderr]   Downloaded wayland-sys v0.30.0-beta.13
[INFO] [stderr]   Downloaded glutin v0.30.0-beta.3
[INFO] [stderr]   Downloaded calloop v0.10.3
[INFO] [stderr]   Downloaded kurbo v0.8.0
[INFO] [stderr]   Downloaded usvg v0.18.0
[INFO] [stderr]   Downloaded wgpu_glyph v0.18.0
[INFO] [stderr]   Downloaded wayland-protocols v0.30.0-beta.13
[INFO] [stderr]   Downloaded wayland-backend v0.1.0-beta.13
[INFO] [stderr]   Downloaded wayland-client v0.30.0-beta.13
[INFO] [stderr]   Downloaded zbus v3.5.0
[INFO] [stderr]   Downloaded tiny-skia v0.6.6
[INFO] [stderr]   Downloaded xkbcommon v0.5.0
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.1.0-beta.13
[INFO] [stderr]   Downloaded wayland-scanner v0.30.0-beta.13
[INFO] [stderr]   Downloaded i18n-embed v0.13.4
[INFO] [stderr]   Downloaded io-lifetimes v1.0.0-rc1
[INFO] [stderr]   Downloaded svgfilters v0.4.0
[INFO] [stderr]   Downloaded zvariant v3.8.0
[INFO] [stderr]   Downloaded i18n-embed-fl v0.6.4
[INFO] [stderr]   Downloaded encase_derive v0.3.0
[INFO] [stderr]   Downloaded encase v0.3.0
[INFO] [stderr]   Downloaded fontdb v0.6.2
[INFO] [stderr]   Downloaded rust-embed-utils v7.4.0
[INFO] [stderr]   Downloaded i18n-embed-impl v0.8.0
[INFO] [stderr]   Downloaded derive_setters v0.1.5
[INFO] [stderr]   Downloaded wayland-cursor v0.30.0-beta.13
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded async-io v1.10.0
[INFO] [stderr]   Downloaded ordered-stream v0.1.1
[INFO] [stderr]   Downloaded gen-z v0.1.0
[INFO] [stderr]   Downloaded rust-embed v6.5.0
[INFO] [stderr]   Downloaded tiff v0.8.0
[INFO] [stderr]   Downloaded gettext-sys v0.21.3
[INFO] [stderr]   Downloaded rust-embed-impl v6.4.0
[INFO] [stderr]   Downloaded resvg v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 095252a96072ca9b7ac03c9457c1b6802b516d63e759fafb8434dc4ab95ca51b
[INFO] running `Command { std: "docker" "start" "-a" "095252a96072ca9b7ac03c9457c1b6802b516d63e759fafb8434dc4ab95ca51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "095252a96072ca9b7ac03c9457c1b6802b516d63e759fafb8434dc4ab95ca51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095252a96072ca9b7ac03c9457c1b6802b516d63e759fafb8434dc4ab95ca51b", kill_on_drop: false }`
[INFO] [stdout] 095252a96072ca9b7ac03c9457c1b6802b516d63e759fafb8434dc4ab95ca51b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6467332f011cf30058ab4bb198fd1d6998215941afbb7f4a3ec0769191cf953
[INFO] running `Command { std: "docker" "start" "-a" "f6467332f011cf30058ab4bb198fd1d6998215941afbb7f4a3ec0769191cf953", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[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" "f6467332f011cf30058ab4bb198fd1d6998215941afbb7f4a3ec0769191cf953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6467332f011cf30058ab4bb198fd1d6998215941afbb7f4a3ec0769191cf953", kill_on_drop: false }`
[INFO] [stdout] f6467332f011cf30058ab4bb198fd1d6998215941afbb7f4a3ec0769191cf953