[INFO] cloning repository https://github.com/Joezeo/gtk-icon-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joezeo/gtk-icon-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoezeo%2Fgtk-icon-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoezeo%2Fgtk-icon-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6f73dffef5ba157d6c47391e5da9aecd61e120d
[INFO] checking Joezeo/gtk-icon-viewer against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoezeo%2Fgtk-icon-viewer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joezeo/gtk-icon-viewer on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Joezeo/gtk-icon-viewer
[INFO] finished tweaking git repo https://github.com/Joezeo/gtk-icon-viewer
[INFO] tweaked toml for git repo https://github.com/Joezeo/gtk-icon-viewer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Joezeo/gtk-icon-viewer 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Joezeo/gtk-icon-viewer against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoezeo%2Fgtk-icon-viewer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joezeo/gtk-icon-viewer on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Joezeo/gtk-icon-viewer
[INFO] finished tweaking git repo https://github.com/Joezeo/gtk-icon-viewer
[INFO] tweaked toml for git repo https://github.com/Joezeo/gtk-icon-viewer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Joezeo/gtk-icon-viewer 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Joezeo/gtk-icon-viewer against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoezeo%2Fgtk-icon-viewer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Joezeo/gtk-icon-viewer on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Joezeo/gtk-icon-viewer
[INFO] finished tweaking git repo https://github.com/Joezeo/gtk-icon-viewer
[INFO] tweaked toml for git repo https://github.com/Joezeo/gtk-icon-viewer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Joezeo/gtk-icon-viewer 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pango v0.16.0
[INFO] [stderr]   Downloaded gobject-sys v0.16.0
[INFO] [stderr]   Downloaded glib-sys v0.16.0
[INFO] [stderr]   Downloaded graphene-sys v0.16.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.16.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.16.0
[INFO] [stderr]   Downloaded graphene-rs v0.16.0
[INFO] [stderr]   Downloaded gtk4-macros v0.5.0
[INFO] [stderr]   Downloaded cairo-rs v0.16.1
[INFO] [stderr]   Downloaded gdk4 v0.5.0
[INFO] [stderr]   Downloaded pest v2.4.1
[INFO] [stderr]   Downloaded glib v0.16.2
[INFO] [stderr]   Downloaded gtk4 v0.5.1
[INFO] [stderr]   Downloaded gtk4-sys v0.5.0
[INFO] [stderr]   Downloaded gio v0.16.2
[INFO] [stderr]   Downloaded gsk4 v0.5.0
[INFO] [stderr]   Downloaded gdk4-sys v0.5.0
[INFO] [stderr]   Downloaded gio-sys v0.16.0
[INFO] [stderr]   Downloaded gsk4-sys v0.5.0
[INFO] [stderr]   Downloaded glib-macros v0.16.0
[INFO] [stderr]   Downloaded pango-sys v0.16.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eed666bbff9405c1fe07b8bf003826082dda5403916b9ce203e43044f1505015
[INFO] running `Command { std: "docker" "start" "-a" "eed666bbff9405c1fe07b8bf003826082dda5403916b9ce203e43044f1505015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed666bbff9405c1fe07b8bf003826082dda5403916b9ce203e43044f1505015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed666bbff9405c1fe07b8bf003826082dda5403916b9ce203e43044f1505015", kill_on_drop: false }`
[INFO] [stdout] eed666bbff9405c1fe07b8bf003826082dda5403916b9ce203e43044f1505015
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eed1415791990d581bf29abb00715768c5958d791894d3398eca0e2a077bd38
[INFO] running `Command { std: "docker" "start" "-a" "2eed1415791990d581bf29abb00715768c5958d791894d3398eca0e2a077bd38", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.66
[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] 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" "2eed1415791990d581bf29abb00715768c5958d791894d3398eca0e2a077bd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eed1415791990d581bf29abb00715768c5958d791894d3398eca0e2a077bd38", kill_on_drop: false }`
[INFO] [stdout] 2eed1415791990d581bf29abb00715768c5958d791894d3398eca0e2a077bd38