[INFO] cloning repository https://github.com/tekdroid/clippin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tekdroid/clippin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekdroid%2Fclippin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekdroid%2Fclippin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7510077140081170665bb2b03ae06075bfa1cb9b
[INFO] checking tekdroid/clippin against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekdroid%2Fclippin" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tekdroid/clippin
[INFO] finished tweaking git repo https://github.com/tekdroid/clippin
[INFO] tweaked toml for git repo https://github.com/tekdroid/clippin written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tekdroid/clippin on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tekdroid/clippin 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-windowing/softbuffer`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.3
[INFO] [stderr]   Downloaded sctk-adwaita v0.5.3
[INFO] [stderr]   Downloaded redox_syscall v0.3.4
[INFO] [stderr]   Downloaded libappindicator-sys v0.7.3
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded wayland-sys v0.30.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded libappindicator v0.7.1
[INFO] [stderr]   Downloaded wayland-scanner v0.30.0
[INFO] [stderr]   Downloaded tiny-skia v0.8.3
[INFO] [stderr]   Downloaded toml_edit v0.19.6
[INFO] [stderr]   Downloaded wayland-backend v0.1.1
[INFO] [stderr]   Downloaded serde v1.0.156
[INFO] [stderr]   Downloaded winnow v0.3.5
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.16.0
[INFO] [stderr]   Downloaded x11rb v0.11.1
[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.3
[INFO] [stderr]   Downloaded winit v0.28.2
[INFO] [stderr]   Downloaded wayland-client v0.30.1
[INFO] [stderr]   Downloaded padlock v0.2.0
[INFO] [stderr]   Downloaded tray-item v0.7.1
[INFO] [stderr]   Downloaded raw-window-handle v0.5.1
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded x11rb-protocol v0.11.1
[INFO] [stderr]   Downloaded orbclient v0.3.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac3df901d4c2172a9fb3f67f0793876f10a84683cdf98c71d50d66d26653e922
[INFO] running `Command { std: "docker" "start" "-a" "ac3df901d4c2172a9fb3f67f0793876f10a84683cdf98c71d50d66d26653e922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3df901d4c2172a9fb3f67f0793876f10a84683cdf98c71d50d66d26653e922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3df901d4c2172a9fb3f67f0793876f10a84683cdf98c71d50d66d26653e922", kill_on_drop: false }`
[INFO] [stdout] ac3df901d4c2172a9fb3f67f0793876f10a84683cdf98c71d50d66d26653e922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] befdd55bc092a969745e37006509d1b3de2ad28838d2f92cf54c7e2613e1fad4
[INFO] running `Command { std: "docker" "start" "-a" "befdd55bc092a969745e37006509d1b3de2ad28838d2f92cf54c7e2613e1fad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking once_cell v1.17.1
[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" "befdd55bc092a969745e37006509d1b3de2ad28838d2f92cf54c7e2613e1fad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befdd55bc092a969745e37006509d1b3de2ad28838d2f92cf54c7e2613e1fad4", kill_on_drop: false }`
[INFO] [stdout] befdd55bc092a969745e37006509d1b3de2ad28838d2f92cf54c7e2613e1fad4