[INFO] fetching crate fqtk 0.3.0...
[INFO] checking fqtk-0.3.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate fqtk 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fqtk 0.3.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fqtk 0.3.0
[INFO] finished tweaking crates.io crate fqtk 0.3.0
[INFO] tweaked toml for crates.io crate fqtk 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fqtk 0.3.0 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-aux v4.1.2
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded libdeflater v0.7.5
[INFO] [stderr]   Downloaded iana-time-zone v0.1.53
[INFO] [stderr]   Downloaded mimalloc v0.1.32
[INFO] [stderr]   Downloaded rustversion v1.0.11
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded enum_dispatch v0.3.8
[INFO] [stderr]   Downloaded ahash v0.8.2
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded bstr v1.1.0
[INFO] [stderr]   Downloaded cxx v1.0.85
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.28
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded libz-ng-sys v1.1.8
[INFO] [stderr]   Downloaded fgoxide v0.3.0
[INFO] [stderr]   Downloaded pooled-writer v0.3.0
[INFO] [stderr]   Downloaded read-structure v0.1.0
[INFO] [stderr]   Downloaded clap v4.0.29
[INFO] [stderr]   Downloaded libdeflate-sys v0.7.5
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded rstest_macros v0.14.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded scratch v1.0.3
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded is-terminal v0.4.1
[INFO] [stderr]   Downloaded proglog v0.3.0
[INFO] [stderr]   Downloaded rstest v0.15.0
[INFO] [stderr]   Downloaded bgzf v0.2.0
[INFO] [stderr]   Downloaded seq_io v0.3.1
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b509e7c420b3e4f739575ec490852d81c0b598ea027fa1fc0e1e76ee9b81529
[INFO] running `Command { std: "docker" "start" "-a" "1b509e7c420b3e4f739575ec490852d81c0b598ea027fa1fc0e1e76ee9b81529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b509e7c420b3e4f739575ec490852d81c0b598ea027fa1fc0e1e76ee9b81529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b509e7c420b3e4f739575ec490852d81c0b598ea027fa1fc0e1e76ee9b81529", kill_on_drop: false }`
[INFO] [stdout] 1b509e7c420b3e4f739575ec490852d81c0b598ea027fa1fc0e1e76ee9b81529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a071eeecc88af332a2a925c1ced620f0d19958198ff94a07df3c7815022f2e7
[INFO] running `Command { std: "docker" "start" "-a" "8a071eeecc88af332a2a925c1ced620f0d19958198ff94a07df3c7815022f2e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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] [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" "8a071eeecc88af332a2a925c1ced620f0d19958198ff94a07df3c7815022f2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a071eeecc88af332a2a925c1ced620f0d19958198ff94a07df3c7815022f2e7", kill_on_drop: false }`
[INFO] [stdout] 8a071eeecc88af332a2a925c1ced620f0d19958198ff94a07df3c7815022f2e7
