[INFO] fetching crate cli-clipboard 0.4.0...
[INFO] testing cli-clipboard-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cli-clipboard 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cli-clipboard 0.4.0
[INFO] finished tweaking crates.io crate cli-clipboard 0.4.0
[INFO] tweaked toml for crates.io crate cli-clipboard 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cli-clipboard 0.4.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cli-clipboard 0.4.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11-clipboard v0.7.0
[INFO] [stderr]   Downloaded wl-clipboard-rs v0.7.0
[INFO] [stderr]   Downloaded wayland-sys v0.29.5
[INFO] [stderr]   Downloaded os_pipe v1.1.1
[INFO] [stderr]   Downloaded wayland-commons v0.29.5
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded wayland-client v0.29.5
[INFO] [stderr]   Downloaded wayland-protocols v0.29.5
[INFO] [stderr]   Downloaded x11rb v0.10.1
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07fdd709f06debc68d122933d9b065c752958392071204009bfa0ed5b1523376
[INFO] running `Command { std: "docker" "start" "-a" "07fdd709f06debc68d122933d9b065c752958392071204009bfa0ed5b1523376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fdd709f06debc68d122933d9b065c752958392071204009bfa0ed5b1523376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fdd709f06debc68d122933d9b065c752958392071204009bfa0ed5b1523376", kill_on_drop: false }`
[INFO] [stdout] 07fdd709f06debc68d122933d9b065c752958392071204009bfa0ed5b1523376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dcb36d0e26c47859979ee22f86804a98b9d649ece7e623281ac3fcff320dd88
[INFO] running `Command { std: "docker" "start" "-a" "8dcb36d0e26c47859979ee22f86804a98b9d649ece7e623281ac3fcff320dd88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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] 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" "8dcb36d0e26c47859979ee22f86804a98b9d649ece7e623281ac3fcff320dd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcb36d0e26c47859979ee22f86804a98b9d649ece7e623281ac3fcff320dd88", kill_on_drop: false }`
[INFO] [stdout] 8dcb36d0e26c47859979ee22f86804a98b9d649ece7e623281ac3fcff320dd88